Return to LIBRARY OF MARINE BIOLOGICAL LABORATORY WOODS HOLE. MASS. Loaned by American Museum of Natural History /\srr PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA. 1863. January Qth. Vice-President Bridges in the Chair. Fifteen members present. January loth. Mr. Jeanes in the Chair. Eleven members present. January 20th. Vice-President Vaux in the Chair. Eleven members present. On motion, a vote of thanks was tendered to Mr. P. F. Saurtnan for a collection of mounted, native birds, presented by him this even- ing to the Academy. January 27th. The President, Mr. Lea, in the Chair. Twenty-two members present. On report of the Committee the following paper, read December 23d, 1862, was ordered to be published : 1863.] 1 PROCEEDINGS OF THE ACADEMY OF Descriptions of FOSSILS from the Yellow Sandstones lying beneath the " Burlington Limestone,'' at Burlington, Iowa. BY ALEXANDER WINCHELL. With the view of collecting facts bearing upon the determination of the geological age and equivalents of certain ferruginous sandstones in the lower peninsula of Michigan, which I have provisionally designated the Marshall Group,* I visited several of the neighboring States during the past summer, for the purpose of examining the principal exposures of strata supposed to occupy nearly the same horizon. At Burlington, Mr. C. A. White accompanied me in all my examinations, and enabled me to procure nearly a complete suite of the species of that place described by Shumard and Hall, but more espe- cially by himself and Mr. R. P. Whitefield.f Besides the recognized species, I obtained from Mr. White, or by his assistance, several undescribed forms. Subsequently Mr. White greatly increased the number of unknown species by his discoveries at exposures hitherto but little explored. The whole collection of new species, together with his own observations thereon, has been kindly placed in my hands for investigation ; and the following paper is the result of this study. The number of new species herein described is fifty-niae, and the number now first identified, ten. The number of species previously known from these rocks was sixty-six, J a total which is now raised to one hundred and thirty-five. The richness of this locality in fossil species is well worthy of note. To the one hundred and thirty-five species from the yellow sandstones must be added three hundred and seven species from the overlying Burlington lime- stone, making a grand total of four hundred and forty-two species from a single locality. It ought not to be forgotten, that this wonderful result has been developed mainly through the industry and skill of a single individual, Charles A. White, who, during eight years of his residence in the locality, has collected the types of two hundred new species and six new genera. A consideration of the general conclusions deducible from the study of the palaeontology of the rocks of the Western States supposed to occupy the horizon of the Marshall Group of Michigan will be hereafter presented. Suf- fice it to say, on the present occasion, that no one can glance over the list of species described here and elsewhere from these rocks without admitting that the ensemble bears a very close analogy with that of the " Mountain Limestone" of the Old World, and raising the inquiry how the equivalent of the old red sandstone can lie on the top of such an assemblage of strata. Descriptions of New Species and Genera. LEPTOPORA, n. gen. Etymology, As/ttcc, shallow andirs/a, a cell. Corallum occurring in thin discoidal masses; cells very shallow, crowded, polygonal, separated by a common cell-wall, which is vertically striated ; interior of cells filled with a finely vesicular tissue; cups polygonal, con- cave, elevated in the centre, and displaying numerous radial lamellae. * See " First Biennial Report" of the Geological Survey of Michigan, 1860. For descriptions of the fossils of this group, see Silliman's Journal, [2,] vol. xxxiii. p. 3D2, and Proc. Acad. Nat. Sci. Fhila., Sept., 1S62, p. 405430. , ,. t For White's descriptions, see Jour. Bos. Soc. Nat. Hist., vol. vn., and Proceedings of same, vol. ix. p. 28, et sea- For White and Whitefield's descriptions, see "Proceedings, vol. vm. tin this estimate I omit Chonetes Lngani, Norwood and Pratten, (not Hall,) Cardiomorpha av.tia, Hall, and Cardiomorpha parvirostris, White, for reasons whirh will appear in the sequel. Product us Shumardianus, Hall, as recognized at Burlington, appears to be P. concentricus. Hall. and Avicula circulus, Shumard, as recognized at Burlington, is probably Aviculopectcn limeejormis. White and Whitefield. _ T [Jan. NATURAL SCIENCES OF PHILADELPHIA. Leptopora typa, n. sp. Polypary subcircular in outline, and slightly con- vex on the general surface ; composed (in the specimens examined) of 25-30 rather large cells, of which the internal ones are hexagonal, and the peripheral rounded exteriorly ; margins of cups strongly elevated ; radial lamellae about 20. Diameter of mass '72 -,* diameter of the cells about -14, and their depth about -07. In a specimen whose diameter is 1-27, tbe diameter of the cells is -22. Ranges from the oolitic bed No. 6 into the base of the Burlington lime- stone. This singular coral is not as well known as is desirable. Though discoid, it. does not seem to be encrusting. No diaphragms or communicating pores have yet been detected. TREMATOPORA, Hall. Trematopora? vesiculosa, n. sp. Corrallum delicate, terete, branching, celluliferous on all sides. Cells arranged in spiral and often longitudinal series ; cell-mouths oval, slightly elevated on the lower margin, the longitudi- nal series more or less separated by a straight or flexuous, sharply-raised carina. Surface between the cell-mouths imperforate, but the substance of the corallum beneath is irregularly vesicular. No solid axis exists, the cells ap- pearing to ascend and diverge gradually from an imaginary axis. Diameter of stem about -05 ; length and breadth of cell-mouth -02 and -01 ; distance between the cell-mouths in the spiral series -01. In some specimens the cell-mouths are somewhat more widely separated. Base of the Burlington limestone and in the fine grained sandstone of Ohio. Trematopora ? fragilis, n. sp. Corallum delicate.branching.terete or slightly compressed at the bifurcations, celluliferous on all sides. Cell-mouths minute, oval, somewhat remote, not disposed in regular series, more approximate in a transverse than in a longitudinal direction. Intervening surface imperforate ; the substance immediately beneath minutely cellular. Least distance between contiguous cell-mouths about equal to their transverse diameter; greatest distances two or three times as great. The absolute di- mensions of the cell-mouths are less than in the last species. Base of the Burlington limestone. The two species above described are only provisionally referred to Trema- topora. They belong to a group often ranged under Millepora and Ceriopora, but apparently without sufficient reason. The assemblage of branching (or sometimes foliaceous) corals without septa or lamellae, ranging from the lower Silurian into the Carboniferous limestone, seems to be but imperfectly understood; and the generic and even more fundamental relations are in a state of very unsatisfactory vagueness and confusion. LINGULA, Bruguiere. Lingula membranacea, n. sp Shell flattened, quadrate-ellipitical, nearly as broad near the beak as at the same distance from the anterior margin ; length nearly equal to twice the width ; lateral margins slightly curved ; beak scarcely elevated, near the posterior margin, but with a narrow belt behind it. Shell substance membranaceous, marked externally by very delicate, regular concentric lines. Length '50 (100); breadth in the middle -32 (64) ; breadth at one-fourth the shell-length from posterior end -28 (56); breadth at same distance from anterior end -31 (62). Differs from L. concentrica, Hall, from the Genesee slate by its subequal * The measurements in this paper are given in inches. Where one number is followed by another in parenthesis, the latter is the relative measurement the dimensions which is generally the greatest being assumed 100 1863.] 4 PROCEEDINGS OP THE ACADEMY OP width at the two extremities. A similar undescribed species occurs in the " fine-grained sandstone" of Ohio. DISCINA, Lamarck. Discina patellaris, n. sp. Upper valve circular, elevated, patelliform, with a subcentral beak, from which the surface slopes in right lines to all parts of the margin, except a barely perceptible concavity down the posterior slope. Surface (of cast) with feeble concentric strise. Diameter -90 (100); height of upper valve -33 (37); The length appears to be a very little greater than the breadth, but the specimen is slightly defective posteriorly. This species recalls D. Alleghania, Hall, of the Chemung Group, but the apex is more central, and the concentric lines less lamellar and regular, and the shell, so far as known, is smaller. PRODUCTA, Sowerby. Producta ? parvitla, n. sp. Shell very small, semi-elliptic or nearly semi- circular in outline, with a hinge-line equalling the greatest width, or a little less. Ventral valve ventricose, with regular, though slightly diminishing curvature from beak to anterior margin, describing an arc of about 180 ; beak elevated above the hinge-line and incurved over it; flanks regularly convex, abruptly flattened and auriculate at the hinge extremities. Dorsal valve unknown. Surface ornamented with small, rigid, continuous, radiating ribs, which on the sides increase by implantation. Length from beak to anterior margin -38 (100); width -31 (82); depth of ventral valve -23 (61). The prevailing dimensions are less than the above. _ Amongst Products of similar age the miniature size of the present species renders it at once distinguishable. The specimens look like pygmy examples of P. cora, arcuata or pilciformis. Producta Martini, (Sow.) de Kon. (P. sernireticulatus, Martin.) In the wide range of characters admitted into this species, as defined by de Koninck, there is little doubt that the Burlington specimens would be embraced. Although most of the American species of Producta formerly identified with European types have subsequently been separated, P. Martini (or semireliculatus) is still admitted to exist in our coal measures ; and it seems probable that its first ap- pearance dates considerably further back. Ranges from the bottom of the Yellow sandstones into the Burlington limestones. Producta speciosa, Hall, (Tenth Ann. Rep. Reg. N. Y., p. 176). Several casts of this Chemung species present the appearance of being inside views of very concave dorsal valves ; but no internal structures are visible. The beak is flattened, and not elevated above the hinge-line, which is somewhat shorter than the greatest width of the shell. The other characters also agree. STROPHALOSIA, King. Strophalosia ? nummularis, n. sp. Shell of medium size, circular, trunca- ted by the hinge-line. Hinge-line (generally much) shorter than the greatest width of the shell. Ventral valve comparatively very shallow, regularly arch- ing from the anterior side to the vicinity of the beak, which is obtuse, not in- curved and not elevated above the dorsal margin; surface depressed each side of the beak ; area apparently present, but very narrow. Dorsal valve discoid, with abroad, shallow umbonal depression, which is bounded on the two sides by lines diverging from the beak at right angles with each other, or nearly so ; beak depressed, furnished with a small bifid cardinal process or boss, which lies in the plane of the valve and projects beyond the hinge-line ; each branch of the boss continued internally in a low vanishing ridge, which is turned out- wardly into the position of a socket ridge, but without the socket behind it ; [Jan.. NATURAL SCIENCES OF PHILADELPHIA. 5 median septum a low ridge appearing a short distance from the beak, and disappearing toward the middle of the valve; vascular imprints sectoriform reaching half way to the midvalve, separated from the median septum bj a faint ridge (occlusor apophysis ?) on each side. External surface of both valves with numerous concentric lamellar striae and innumerable little pits which give the impression a finely granular appearance ; pits more scattered and deeper toward the anterior margin. Internal surface (of dorsal valve) exhibiting concentric lines and innumerable raised points, apparently corres- ponding with the pits of the exterior. Length -82(100); width 1-06(129); length of hinge-line -55(67); length of cardinal process -04 (5) ; depression of dorsal valve -04 (5). Depth of ventral valve -15, with a length of -76. Another dorsal valve has a width of 1-46 and a hinge-line 1-22 long. Tttis anomalous species has more the form of an Orthis or Strophalosia than a Producta. But there is no positive proof of the existence of spines, and the somewhat doubtful existence of an area in either valve furnishes only unsatis- factory grounds for referring it to either genus. At the same time it is difficult to understand how the externally projecting cardinal processes of the dorsal valve could be used without a fissure (and area?) in the ventral valve in which they could move. In view of all the facts, I venture to refer the species with a query to Strophalosia. Should the reference prove correct, it will be, so far as 1 know, the first identification of this genu3 in American rocks. CH0XETE3, Fischer. Chonetes mdlticosta, n. sp. Shell of medium size or larger, semicircular, with the greatest width along the hinge-line. Ventral valve depressed-ventri- cose, more or less flattened toward the hinge extremities ; with a barely per- ceptible mesial sinus reaching two-thirds the distance to the flattened incon- spicuous beak; spines two (possibly three) each side of the beak, nearly at right angles with the hinge-line, of medium length, rather stout, the first mid- way between the beak and cardiual extremity, the second midway between this and the same point; area extremely narrow. Dorsal valve shallow, concave, with a depressed mesial fold extending nearly to the beak ; socket plates very divergent ; occlusor scars forming a very small elleptic pit near the beak. Ex- ternal surface of each valve bearing 180-200 fine, subflexuous, radiating stria?, which increase dichotomously at all distances from the beak, and some:imes also by implantation. Surface of cast rather remotely punctate. Length of hinge-line -82 (100) ; length of shell -50 (61); convexity of ven- tral valve -12 (14). In most specimens the last measure is relatively less. Ranges from the base of the yellow sandstones into the base of the Burling- ton limestone. Intermediate in size between C. Logani and C. Fischeri of Nor- wood and Pratten. It possesses a greater number of radiating striae than C. lllinoiensis of Worthen . Chonetes Illinoiensis, Worthen, (Trans. St. Louis Acad. Nat. Sci., i. 571 ;) C. Logani, Hall, (Iowa Rep. p. 598, pi. xii. fig. 1, a-e and 2,) not C. Logani, Nor- wood and Pratten, (Jour. Acad. Nat. Sci. Philada., [2] iii., p. 30, pi. ii. fig. 12, a, b, c.) Some confusion seems to exist among the species of Chonetes just mentioned. C. Logani was described "from the middle portion of the mountain limestone series," at Burlington, Iowa, and characterized as having "about 30 rugose ribs."/ The figure agrees with the description. Prof. Hall subsequently described a species from the Burlington limestone, of Burlington and Quincy, which he referred to C. Logani, Nor. and Prat., though, among the characters, he assigns to it " 100-120 or more fine rounded dichotomizing striae." Still later, Mr. Worthen, conceiving this form to be specifically distinct, gave it the name of C. lllinoiensis, remarking that it " is restricted to the crinoidal beds of the 1863.] G PROCEEDINGS OF THE ACADEMY OF mountain limestone," being abundant at Quincy, 111., and intimating that Nor- wood and rratten had erroneously assigned their species to the mountain lime- stone, in consequence of supposing all the Burlington rocks to belong to that series. The " middle portion of the mountain limestone series," however even as then understood would be found far above the yellow sandstones at Burlington. Moreover, in referring C. Fischeri to these sandstones at the same locality, they place them " at the base of the mountain limestone." It seems clear, then, that C. Logani belongs to the Burlington limestone, but that never- theless, the species described by Hall cannot be the same, and has been properly separated as C. Illinoiensis. The latter species, however, contrary to Mr. Wor- then's opinion, occurs frequently in all the beds below the Burlington limestone having a range co-extensive with that of C. multicosta. SPIRIGERA, (d'Orbigny,) Billings. Spirigera corpulenta, n. sp. Shell of medium size, extremely ventricose, varying in outline from oval to orbicular-oval. Ventral valve depressed from the anterior margin to the summit of the greatest gibbosity, which is two- thirds the distance to the beak ; anterior margin rather deeply sinuate, or very slightly so, sinus soon disappearing in a mere flattening of the valve, or trace- able backwards, in a narrow shallow groove, as far as the middle of the shell ; umbonal region extremely inflated ; beak abruptly turned toward the opposite valve, not produced, truncate, circularly foraminated. Dorsal valve extremely ventricose near the anterior margin, slightly elevated in a mesial fold traceable to the most gibbous region, which is less than half way to the beak ; surface depressed between this region and the beak ; beak inconspicuous, covered by its fellow. External surface of casts strongly marked by numerous lamellose wrinkles of growth. Length -80 (100); breadth -70 (81); depth of both valves -58 (72). Breadth and depth of another specimen -75 and -68. The aspect of typical specimens is exceedingly unique. The great gibbosity of the rostral region of the ventral valve and the anterior region of the dorsal, causes the line of junction of the two valves to pass diagonally from the an- terior to the posterior region. The lateral edges of the two valves, moreover, lie in the same plane, so that the sides of th* shell present a regular convexity, like the dorsal and ventral surfaces, and the lines of growth of the two valves, diverciDg from the postero-lateral region complete the illusion of a dorsal or ventral surface radiately ribbed. SYRIXGOTHYRIS, n. gen. Etymology, ivpiy?, a tube and BufU, a window. Shell with an elongated hinge-line. Ventral valve with a mesial sinus, a very broad area, and a narrow triangular fissure closed toward the apex by an external e'onvex pseudo-deltidium, beneath which, and diverging from it, is another transverse plate connecting the vertical dental lamellae, arched above, and beneath giving off a couple of median parallel lamellae, which are incurved so as to nearly join their inferior edges thus forming a slit-bearing tube, which projects beyond the limits of the plate from which it orginates into the interior of the shell. A low median ridge extends from the beak to the anterior part of the valve. Dorsal valve depressed, without area, with a distinct mesial fold. Shell structure fibrous. The elevated ventral and deficient dorsal area of this genus, not less than its external pseudo-deltidium, of one piece, ally it to Cyrtia, Dalman, and Skenidium, Hall. It is not known whether the arms were furnished with calcareous spiral supports, though the general aspect of the shell is that of a Spirifera. The shell substance is impunctate in all conditions and under high powers. Some difficulty exists in deciding on the homology of the transverse plate and fissured tube which characterize this genus. In the ventral valve of Merista, [Jan. NATURAL SCIENCES OF PHILADELPHIA. i especially of the type of Camarium, Hall, an arching lamella arises from the basal portion of each dental plate, and the two unite in the mesial line of the valve, forming a structure which Prof. King, before the separation of this genus, had styled the shoe-lifter process, arched in front, and attached to the bottom of the valve behind. In Spirifera granulifera, Hall, a horizontal transverse plate stretches across the middle of the beak of the ventral valve, connecting the dental lamellae where nearest approximated by their inward curvatures, a stucture which probably represents the pseudo-deltidium of certain Spiriferse, but not of Cyrtia. Beneath this plate, the ventral medium septum assumes the form of a tapering cone, resting with its base filling the cavity and having the anterior part of the upper side marked by a longitudinal groove or slit, while the posterior part sends up a small vertical plate to the transverse plate just mentioned. In Syringothyris, the transverse plate equally connects the dental lamellae where most approximated, and is somewhat arched upward, as in Me- rista, but it does not join the bottom of the valve as in that genus, nor is it connected with the median septum as in Spirifera granulifera. Nevertheless it would seem that the three structures are modifications of the same elements. But what is the element thus modified ? Prof. King suggested that the shoe-lifter process of Cleiothyris concentrka is a modified form of the ventral median plate; but the wide separation of its points of origin from the normal position of thisplate seems incompatible with such a conclusion ; while in Syringothyris and Spiriferse granulifera the median plate exists independently of the apparent homologue of the shoe-lifter. Mr. Billings, whose observations are generally marked by ex- treme sagacity, regards the shoe-lifter "as an abnormal form of the pseudo- deltidium that occurs in some Spirifers." This is the relationship pointed out above ; and there seem to exist good morphological reasons for regarding the fistuliferous arching plate of Syringothyris as a modified pseudo-deltidium. But to what does the latter structure appertain ? In Merista, Syringothyris and cer- tain Spiriferse its relation to the dental plates suggests that it may be an out- growth of those parts. The dental plates are amongst the most heteromorphous structures of the ventral valve. From a normal erect position, they become ap- proximated along the ventral margins in many Spiriferse and other genera, while in Pentamerus, Orthisina and Camarophoria this approximation results in com- plete union, and in Leptsena in the formation of the saucer-shaped process of the ventral valve. They also vary excessively in longitudinal development. In many Spiriferse, moreover, there is an evident indication of a longitudinal fold- ing of the dental plates, producing on one side or the other a longitudinal lami- nar process, which, under an extraordinary development, may coalesce with some neighboring part. While, therefore, the shoe-lifter process of Merista, and still more the fistuliferous diaphragm of Syringothyris, may be but modifications of the false inner deltidium of Spirifera granulifera, the three structures acci- dental among Palliobrancbs may be but mere outgrowths of the essential and typical parts known as dental plates. The geological range of the above generic type is, as far as known, only from the base of the yellow sandstones at Burlington, Iowa, to the Keokuk limestone. The species from the latter horizon cannot at present be characterized. There are reasons for believing that Spirifer extenuatus, Hall, from the yellow sand- stones at Burlington, will yet be found to possess the same peculiarities, if it is not a variety of one of the following species. Syeingothyris typa, n. sp. Shell large, thin, externally destitute of radiating ribs, or showing them but faintly. Ventral valve with a broad, undefined, rather shallow sinus ; beak extremely elevated ; slope thence nearly straight to all parts of the margin ; area very large, triangular, flat, forming an angle of about 30 with a line along the bottom of the sinus, and perforated by a rather broad tri- angular fissure. Dental plates diverging at an angle of 30, continued nearly to the apex of the beak, and extending anteriorly beyond the middle of the valve. Attachments of the myary system unknown. 1863.] 8 PROCEEDINGS OF THE ACADEMY OP The external characters of this shell resemble those of Spirif era simplex, Phil. (Pal. Foss. p. 71, pi. xxix. fig. 124, and pi. lx. fig. 124), but the hinge-line is more elongate. This species, so far as is certainly known, is restricted to the base of the Burlington limestone. Syringothyris Halli, n. sp Shell of medium size, transversely elongate, widest aloDg the hinge-line ; greatest depth of the two valves equalling or ex- ceeding the greatest length. Ventral valve with a deep, defined sinus; beak very elevated : surface sloping thence with but little convexity, to all parts of the margin, being sometimes even concave between the apex and the cardinal extremities ; area large, triangular, transversely striate, flat or slightly arched, with a more marked incurvation just beneath the beak ; perforated by a narrow, or moderately wide, triangular fissure, which is grooved along its lateral bor- ders as if for the reception of a deltidium ; dental plates rather short in a va- riety, very short diverging at an angle of G6 ; mesial septum a low ridge ex- tending two-fifths the length of the valve ; line of divaricator scars extending with a curve from inner end of dental plates to inner end of mesial septum. Dorsal valve moderately ventricose, with a convex surface, and abrupt well- defined mesial elevation, and a small beak which overhangs the base of the fissure in the area of the opposite valve, the area being scarcely perceptible in the dorsal valve. Surface ornamented by 12 to 16 rounded ribs on each side of the mesial fold and sinus, becoming obsolete toward the lateral angles. Mesial fold and sinus destitute of ribs. The whole surface is further marked by faint, delicate lines of growth. Length of hinge-line 1-32 (100) ; depth from beak of ventral valve to most prominent pointof dorsal which is nearly at right angles to the plane of the valves *70 (53) ; distauce from hinge-line to middle of anterior margin 54 (41) ; elevation of (ventral) area -48 (36) ; width of fissure at base 28 (21). Ranges through the yellow sandstones. In bed No. 1 is a variety with some- what convex area, very narrow fissure and very short dental plates. The species occurs also at Clarksville, Mo., where the beak of the ventral valve is bent somewhat to the left (this beak being uppermost) in the style of a Streptorhyn- chus producing a curvature of the mesial sinus and the fissure ; and is further peculiarly marked by several distinct lamellar wrinkles of growth. Named in honor of Prof. James Kail, the eminent Palaeontologist of Albany, N. Y. AVICULA, (Klein,) Bruguiere. Avicula Whitei, n. sp. Shell large, transverse, exceedingly oblique, with neariv terminal beaks. Hinge-line more than three times the greatest dorso- ventral dimension. Anterior ear pouched, not distinctly divided from the body of the shell. Left valve ventricose; umbonal ridge somewhat arcuate, or nearly straight, forming an angle of about 20, with the hinge-line ; slope thence to the ventral margin very rapid to the dorsal side rather gradual and symmetrical to the very hinge-line the posterior wing not being divided from The body of the shell. Ventral margin, in the middle rather straight and near- ly parallel with the dorsal ; posterior margin sigmoidal by a deep, or rather shallow sinus, isolating the posterior end of the cartilage plate from the body of the shell; posterior wing triangular, exceeding the shell. External surface marked by numerous fine, irregular stria? of growth. Right valve much less ventricose, marked on the body and anterior slope by numerous sharp, regular raised concentric strire which become very faint posteriorly. Cardinal line in each valve with a long, slender, bifid lateral tooth behind the beak. Length of dorsal side 2-13 (100) ; greatest dorso-ventral dimension -70 (33) : depth of left valve -22 (10). Avicula acanthoptera, Hall, (Geol. Rep. 4th Dist. N. Y., p. 263). Shell [Jan. NATURAL SCIENCES OF PHILADELPHIA. 'J rather large, very oblique, becoming distinctly arcuate upwards. Left valve very ventricose, with a tapering, incurved beak, closely approximated to its fellow ; body of valve regularly arched along the umbonal slope, from which line it describes a rapid convexity to the anterior margin, sloping more gradu- ally to the ventral margin and becoming gradually flattened toward the posterior ventral angle. The upper boundary of the body is an abrupt descent to the plane of the posterior wing, and sharply divides the two ; posterior wing sloping to the dorsal and posterior borders of the valve, produced above into a slender spine, nearly as long as the posterior end of the shell, with a deep sinuation below. Anterior ear short, saccate, less distinctly divided from the body of the valve. Hinge-line straight, with a long, posterior cartilage facet. Surface marked by irregular wrinkles of growth which become fine striae on the posterior wing, and sharp plications on the an- terior slope and auriculation. Right valve smoother and considerably less ventricose, with the posterior wing-surface divided from the body of the valve only by a slight groove. Length from beak to extremity of posterior wing -81 ; from beak to extremity of anterior wing -21 ; from middle of dorsal side to ventral side -70; greatest width of body of shell -48 ; same width in a larger specimen -93 ; depth of right valve of same specimen -30. An occasional specimen of this species, differing from the types of the above description only in the absence of arcuation of the body, presents a good agree- ment with Prof. Hall's figure and brief diagnosis, diverging only in the less forward direction of the beak, in the much larger anterior ear, and deeper byssal sinus beneath it. The prevailing forms greatly resemble Avicula lunu- lata, Phil. sp. (Geol. Yorks, ii. pi. vi. fig. 12). It is, however, less oblique, es- pecially in the earlier stages of its growth, and the beak is narrower and more depressed. It is also considerably broader on the aatero-ventral side, and has a larger posterior wing. AVICULOPECTEN, McCoy. Aviculopecten Caroli, n. sp. Shell of medium size, subcircular, ventri- cose. Hinge-line shorter than the shell; anterior ear of right valve shorter than anterior end of shell, rounded, slightly inflated, with a deep, sharply- rounded notch below; posterior ear acute, slightly longer than the anterior, with a broad, shallow notch below ; shell otherwise nearly equilateral. Beak central, inconspicuous ; greatest convexity of valve a little above the middle. External surface of the body of the valve marked by about 25 nearly equidis- tant, narrow, sharply-raised, radiating ribs, with two or three fine, raised striae in each of the interspaces ; a set of very fine, sharp, close, concentric raised lines cross the smaller ribs, but are intercepted by the primary ones. The latter, however, show a tendency, toward the pallia! margin of the valve, to de- velope nodes, which, on the anterior and posterior slopes, become distinct spines. The spines sometimes oceur in the spaces between the primary ribs. The wings are also marked by two sets of raised lines, but on the posterior wing the radiating set is most prominent, while on the anterior wing the concentric set is strongest. The left valve is exactly like the right, except that the notch below the anterior ear is shallower. Length from beak to ventral margin -66 (100) ; length of hinge-line -55 (83) ; convexity of right valve -20 (30) ; antero-posterior dimension -6$ (100). Num- ber of concentric lines in one-tenth of an inch, 16. The adult size of the species seems to be about one inch in length and breadth. Ranges from the base of the yellow sandstones into the base of the Barling- ton limestone. Aviculopecten occidektalis, n. sp. Shell small, appressed ; hinge-iine equal to greatest width ; anterior and posterior umbonal ridges at right angles, and straight to the middle of the shell extremities, between which the pallial 1863.] 10 PROCEEDINGS OF THE ACADEMY OF margin is regularly curved. Wings distinct, the anterior slightly inflated, rounded at the extremity, and separated from the body of the shell by a rather acute notch, from which a furrow extends to the beak; posterior win- flat- tened, acute, subtriangular, with a shallow sinus below. Body of shell smooth wings with radiating ribs, strongest on the anteiior wing and crossed by equally strong concentric lines ; posterior wing with fine concentric lines. In the oolitic limestone ("No. 3" of White.) Avicclopecten TENOicosTUS, n. sp. Shell small, equilateral ; pallial margin circularly rounded between anterior and posterior extremities, which lie mid- way between the beak and opposite side. Beak slightly prominent; body of shell bounded by a truncation from beak to each lateral margin ; anterior truncation slightly concave. Anterior wing of left valve moderately inflated. as long as anterior side of shell, distinctly rounded at extremity, joinins hinge-line by a rounded angle, and separated from body of shell by a broadly Y-shaped sinus, rounded at the bottom. Posterior wing only very imperfectly seen. Surface (of left valve) ornamented by fine, rigid, nearly equidistant ribs, 50 or 60 in number, separated by concave intervals ; similar but finer ribs or striae marking the anterior ear. Frequently from three to five equidistant cos- tale elevations appear, each of which bears two or three of the ribs. A few inequidistant concentric lines are seen. Right valve unknown. Length from beak to opposite side "47 ; antero-posterior dimension the same. It is a little singular that of seven specimens of this species all are left valves, showing only the anterior ear. The posterior is probably flat and thin. POSIDONOMYA, Brown. Posidonomya? ambigda, n. sp. Shell of medium size, rather ventricose, somewhat oblique. Hinge-line short, straight, not surpassed by the inconspic- uous beak, abruptly rounded at the extremities ; sides of shell subparallel, somewhat straight ; ventral margin circularly curved, gaping at the antero- ventral angle. Cast nearly smooth, but bearing the impression of a few small, ir- regular wrinkles around the margin. Greatest dimension (from beak to ventral margin) -G5 (100); antero-poste- rior dimension -58 (89) ; angle of umbonal slope with hinge-line 70. Three left valves and one right, of an anomalous fossil are here referred with great uncertainty. One of the specimens is larger and relatively longer from beak to venter than the one described, and seems to have been everted around nearly the entire pallial border, producing an extensively gaping shell. The right valve is a smaller specimen, with the beak near the anterior extremi- ty of the hinge-line, and presenting the anomaly of a forward instead of a back- ward obliquity in this respect resembling Streblqpteria, McCoy, but without the anterior wing. The three valves could scarcely belong to the same species of any genus, but it would be folly to attempt a further discrimination at present. DEXIOBIA, n. gen. Etymology, Jtgi6c, on the right side and 0ia., strength, in allusion to the greater ventricosity of the right valve. Shell thin, inequivalve, inequilateral ; beaks separated by an undefined area. Right valve very ventricose, with a very prominent umbo, and a produced, incurved beak, strongly inclined forward. Left valve much less inflated, with a less prpminent beak, scarcely elevated above the dorsal margin. Hinge-line more or less extended, straight, or slightly bent, edentulous (?) furnished with a thickened cartilage plate bearing a linear posterior groove. Pallial line and muscular markings unknown. In his Report on the Geology of Iowa, (p. 522, pi. vii. fig. 10, a, b, c,) Prof. Hall has described, under the name of Cardiomorpha ovala (not C. ovata, d'Orb. [Jan. NATURAL SCIENCES OP PHILADELPHIA. 11 = }fac(ra ovata, McCoy,) a common species from the yellow sandstones of Bur- lington. This species Messrs. Meek and Worthen supposed to be congeneric with their Cardiopsis radiaia, (Proc. Acad. Nat. Sci. Phil., June, 1861, p. 144). From the same beds, Mr. C. A. White has more recently described a similar species under the name of Cardiomorpha {Cardiopsis?) parvirostris, (Proc. Bos. Soc. Nat. Hist., Jan., 1862, p. 31), which has the small beak and Luciniform as- pect of several other species referred by authors to the same genus * It was some time since remarked, however, by Mr. White, that amongst all his speci- mens of these two species, the left valves of C. ovata and the right valves of C. parvirostris, were entirely wanting. It appears also that Prof. Hall's description was drawn from a right valve. The idea, however, that the two sets of valves might really belong to one species, would not probably have been entertained but for the discovery of a specimen with both valves in closely fitting juxtapo- sition. On one side the specimen is C. ovata, on the other C. parvirostris ! The beaks of the two valves are wanting, but the ventral margins apply to each other with exactitude, the number of radiating lines in a given distance being the same on the two sides. From the same exhaustless deposits of fossil remains, Mr. White's industry has brought to light some other forms which present similar characteristics. It is evident that these fossils cannot be referred to any known genus. It is doubtful whether they fall within the limits of any recognized family assem- blage. Judging from their analogies, they must have been asiphonal, integro- pallial Pleuroconchs, though little evidence of the possession of a byssus has been detected. From the inequivalve family Avieulidse (including Aucella, to which they are most related,) they are clearly excluded by the greater ventri- cosity of the right valve, and the absence of an anterior wing and byssal sinus. From the free inequivalve Osircidie their great gibbosity distinguishes them. From Dolabra, McCoy, they differ in the greater ventricosity of the right valve and less transverse shape. In view of the facts above recited, though some palaeontologists may not re- gard them as sufficiently conclusive, I have ventured to publish a diagnosis of the supposed new genus. Dexiobia Wuitei, Winchell, (= Cardiomorpha ovata, Hall. -(- C. parvirostris, White.) Shell subrotund, with a slight anterior obliquity caused by a mode- rate protrusion of the antero-ventral border, from which, in the right valve, a slight elevation extends to the beak ; anterior margin rather straight above. Hinge-line short, regularly curved ; beaks nearly central. Surface marked by fine radiating ribs becoming obsolete toward the umbo and numerous irreg- ular concentric wrinkles, which are generally mo6t conspicuous in the left valve. Height from beak to middle of ventral margin 1-26 (100) ; greatest antero- posterior dimension, nearly bisecting the first measure, 1-16 (92) ; convexity of right valve -45 (35). Height of another specimen 1-67. Height and convexity of a left valve 1-19 (100) and -26 (22). Dexiobia Halli, n. sp. Shell small, semi-elliptic, subequilateral. Hinge-line straight, extended ; in some specimens as long as the greatest width of the shell. Right valve extremely ventricose, flattened and subalate toward the hinge extremities ; left valve with a very small obtuse beak, and slender poste- rior cartilage plate bearing a longitudinal median furrow. Surface smooth. Height from beak of right valve to middle of ventral side -65 (100) ; length of hinge-line -76 (117) ; ventricosity of right valve -35 (54). MYTILUS, Linnseus. Mytilus Whitfieldianus, Win., (Proc. Acad. Nat. Sci. Phil., Sept., 1862, p. * Compare also Lucina ? retusa, Hall, (Geol. Rep. 4th Dist., N. Y., p. 245), and Ungulina suborbi- culo.ris, (lb. p. 243). 1863.] 12 PROCEEDINGS OF THE ACADEMY OF 413.) The small shells thus identified have heretofore been regarded as the young of M. occidentalism White and Whitfield, a species with which I formerly identified the Michigan types of M. Whitfieldianus, a close comparison of speci- mens, however, shows M. occidentalis to be quite destitute of the fine diverging strife which belong to perfect specimens of the other species. M. occidentalis, moreover, is more flattened between the umbonal ridge and the hinge-line, and does not attain more than one-fifth the length of the other. It bears conside- rable resemblance to Modiola lingualis, Phil., (Geol. Yorks. p. 209, pi. v. fig. 21.) ORTHONOTA, Conrad. Okthonota phaselia, n. sp. Shell transversely quadrangular. Beaks in- conspicuous, nearly terminal, not raised above the slightly-curved hinge-line. Ventral margin subparallel with dorsal, with a shallow sinuation in the middle. Posterior end truncately curved, a little the most extended toward the dorsal side; anterior end slightly produced below, with a deep lunette above. Shell inflated from the anterior end to near the posterior. Greatest thickness a little in front of the middle. Anterior muscular pit shallow, ovately pyriform. Surface with a few remote concentric lines near the border. Length -35 (100) ; height -20 (57) ; thickness of both valves -13 (37). EDMONDIA, de Koninck. Edmondia nitida, n. sp. Shell small, equivalve, suborbicular, ventricose, slightly oblique, with a subcentral beak. Hinge-line slightly extended poste- riorly, obtusely rounded at the extremities ; anterior and posterior sides sub- parallel ; ventral border circularly rounded, but a little produced in the line of the umbonal ridge. Beak elevated above the hinge, obtuse, slightly incurved ; umbonal ridge making an angle of 66 with the hinge-line; behind this ridge the elope is abrupt to the posterior border; middle portion of the shell very slightly flattened from the beak along the region anterior to the umbonal ridge. Surface handsomely marked by rigid, regular concentric raised striae, with a few remote, irregularly-distributed concentric furrows. The striation is pre- served in all its sharpness to the very hinge-border. Length -59 (100) ; height -59 (100) ; thickness of both valves -30 (51). Closely resembles E. unioniformis, de Kon., (Anim. Foss., pi. i. fig. 4,) but the latter is less finely and elegantly striated, and shows no flattening along the region between the beaks and the ventral border. It is much less flattened and less angular than E. binumbonata, Win., from Michigan. Edmondia nuptialis, n. sp. Shell of moderate size, transversely-suboval ; ia adult specimens considerably inflated in the vicinity of the pallial border. Beaks subcentral, small, incurred, somewhat elevated above the moderately extended, slightly arcuate hinge-line. Ventral margin gently curved or nearly straight in the middle; more rapidly curved toward the rounded, subequal ex- tremities. Hinge structure obscure, but apparently consisting of one or more lateral teeth on each side of the beak. Surface unequally and interruptedly furrowed. Greatest thickness through the middle of the shell. Length -79 (100) ; height -62 (78) ; thickness of both valves -50 (63). This species is relatively larger than E. nitida, and is destitute of the obtuse angulations descending along the anterior and posterior umbonal slopes of the latter. An associated, if not identical, species is less ventricose, with less central beaks, and can scarcely be distinguished from Lucina? retusa, Hall. Edmondia strigillata, n. sp. Shell rather small, rather gibbous, trans- versely oval ; beaks subcentral, elevated, obtuse, somewhat strongly turned forward. Ventral margin gently arcuate in the middle, more rapidly curved toward the neatly-rounded extremities, of which the posterior is broadest. Hinge-line curved, furnished with a pair of rather thick lateral teeth ; cardinal ieetb, apparently none. Surface marked by fine radiating lines, and toward the margin by a few irregular concentric wrinkles. [Jan . NATURAL SCIENCES OF PHILADELPHIA. 13 Length -80 (100) ; height -62 (77) ; thickness of both valves -40 (50). Resembles E. nuptialis in form, but it is less ventricose around the margin. and is further distinguished by its radiating strife. Edmondia ^eqdimarginalis, Win., (=Cardinia xquimarginalis, Win., Proc. Acad. Nat. Sci. Phil., Sept , 18G2, p. 413.) The identification with the Michigan species is quite conclusive, but the better state of preservation of this fossil necessitates a correction of the generic reference. Edmondia (?) bicarinata, n. sp. Shell rather small, transverse, oblong, a little the widest at the posterior extremity of the straight, lengthened hinge- line ; dorsal margin erect, not inflected ; ventral margin subparallel with the dorsal, having a distinct shallow sinus near the middle, which leaves a dimin- ishing furrow extending to the beaks ; angularly rounded to the extremities, of which the posterior is truncate by a slightly curved line at right angles with the hinge-line, and another above this forming an ang'e of about 135 with the hinge-line. Beaks one-fifth the length of the shell from the anterior end, somewhat flattened, and incurved over a deep, distinct lunette. Greatest con- vexity one-third the distance from the dorsal to the ventral sides. A strong angular ridge extends from the beaks to the posterior ventral angle, and another, less conspicuous, to the angle connecting the two posterior truncated margins. Surface marked by fine incremental lines, parallel to the basal and posterior borders. Length -59 (100) ; height -27 (41) ; thickness of both valves -12 (20). Edmondia (?) elliptica, n. sp. Shell rather large, appressed, transverse, with an elongate-elliptical outline. Beaks flat, inconspicuous, situated one- fifth the shell-length from the anterior end. Hinge margin elongate, slightly curved, abruptly elevated ; a flattened area extending from the beaks back- ward to the posterior hinge angle. Extremities neatly rounded. Surface marked by numerous distinct unequal lines running parallel with the pallial margin. Length 1-36 (100) ; height -65 (48). SANGUINOLITES, McCoy. Sanguinolites amygdalinus, n. sp. Shell of medium size, equivalve ; length equal to two and a half time3 the height ; beak about one-fourth the length from the anterior end, scarcely elevated above the hinge, somewhat depressed, incurved ; dorsal margins slightly concave, posteriorly inflected inwards, form- ing a deep escutcheon ; ventral margin gradually curved along the middle, more rapidly so toward the extremities ; posterior extremity describing nearly a semicircle, and joining the dorsal line by a very easy angle ; anterior extrem- ity abruptly rounded to the deep, broad lunette, which reaches from the beak to the middle of the shell. Greatest protuberance one-third the distance from the beak to the venter, rather tumid ; an obtuse angulation extending from the beak to the postero-basal angle; a strong internal ridge running near to, and parallel with, the hinge-line. Surface marked by strong concentric wrinkles, which nearly disappear in the dorsoumbonal region. A shallow sinus in front of the mid-ventral margin, which can be traced upward toward the beak. Length -97 (100) ; height -44 (45) ; distance of beak from anterior end -25 (26) ; from posterior -72 (74) ; thickness of both valves -36 (37). Somewhat resembles Allorisma Hannibalensis, Shum., but differs in the ab- sence of the "broad concentric ribs" of that species. It less resembles the Burlington fossil, usually referred to the same species. Sanguinolites cylindricus, n. sp. Shell small, equivalve ; length equal to two and a half times its height; beak about one-seventh the length from the anterior end, elevated above the hinge-line, flattened and enrolled; greatest height along the perpendicular from beak to base; dorsal margin extended, 1862.] 14 PROCEEDINGS OF THE ACADEMY OP slightly concave upwards and inwards, sharply inflected inwards, forming a long, deep posterior escutcheon or cartilage base; ventral margin nearly straight, curving rapidly from a point opposite the beaks to the anterior ex- tremity, which is abruptly rounded into the deep heart-shaped lunette ; poste- rior extremity truncated by a line extending from the basal to the dorsal mar- gin, and making with the latter an angle of 120. Valves very ventricose, the greatest thickness being behind the central point on the sharp, prominent umbonal plication, which extends from the beak to the postero-basal angle the area between this plication and the anterior region being curved subcylin- drically from a dorsal to a ventral direction, and the area between the plication and the hinge-liue being a triangular, twisted, somewhat concave surface, faintly marked by lines diverging from the beak to the posterior boundary. Entire surface covered with fine irregular striaj parallel with the basal and anal margins. Length -63 (100) ; height -29 (46) ; thickness of both valves -24 (38) ; height of posterior end -20 (32) ; length of anterior end -09 (14); of posterior end 54 (86). A peculiarity of this fossil is its cylindrical ventricosity and the posterior position of its greatest distension. (Compare Owen, Geol. Rep. Wis., Min., &c, Tab. III. a, fig. 18.) Sanguinolites Iowensis, n. sp. Shell of medium size, equivalve, transverse ; height equal to nearly one-half the length ; beaks elevated above the dorsum ; subappressed, incurved and turned forward over a deep cordate lunette ; dor- sal line straight, reaching to near the posterior extremity of the shell ; dorsal margin sharply inflected to form a long cartilage base ; ventral border gently curved, posteriorly receding toward the dorsum, and forming at the extremity an angle of 80 with the short, truncate, nearly rectilinear biod margin ; ante- rior extremity most projecting in the middle, from this point curving regularly to the ventral border and abruptly into the anterior lunette. Valves ventri- cose, most inflated in the middle ; a sharp carina running sigmoidally from the beak to the postero-basal angle; another, still sharper, bounding the (poste- rior) escutcheon ; the twisted triangular space between these being marked, on the cast, by three faint depressed lines, radiating also from the beak. External surface marked by irregular lines of growth, strongest on the anterior portion and faintest on the dorso-umbonal surface. In some specimens apparently not separable from this species, a shallow groove runs from the ventral margin nearly opposite the beak, over the umbo*. Length 103 (100); height -52 (50); thickness of both valves -38 (37); length of anterior end -21 (20) ; of posterior end -82 (80). The forms last mentioned above attain a size fully once and a half as large. The typical specimens of this species are quite distinct, but the larger ones approximate to S. amygdalinus in outline and characters of the dorsal region ; but they differ in being larger, more ventricose, and in having a sharp umbonal angle and acute posterior extremity. Sanguinolites sdlciferds, n. sp. Shell very small, transversely obloDg, ' with nearly terminal beaks. Ventral margin broadlj and rather deeply sinuate in the middle; anterior margin abruptlv rounded below, terminating above in a deep lunette ; posterior margin somewhat produced below, suddenly rounded at the basal angle, and very obliquely truncate from thence to the end of the second third of the dorsal side, from which point the straight hinge-line ex- tends to the beak. Cardinal margins inflected to form a narrow, elongate escutcheon. Umbo full ; umbonal ridge arcuate, with the convexity upwards, and terminating at the posterior basal angle ; space above this somewhat con- cave, longitudinally marked by seven or eight strong imbricating concentric ridges. Length -26 (100) ; height -14 (54); thickness of both valves -09 (35). '[Jan. NATURAL SCIENCES OP PHILADELPHIA. 15 Resembles in external form Area pinguis, de Kon., (Anim. Foss., 116, ii. 11). Compare also Cypricardia parvula, {pi. ii. fig. 3). The Hamilton group of New York furnishes a fossil similar to the above ; and the Waverly sandstone of Ohio another similar, perhaps identical, one. Saxgcinolites (?) jejunus, n. sp. Shell of moderate size, equivalve, trans- verse ; beaks small, barely elevated above the hinge, slightly inflected,. one- third the shell-length from the anterior end; height fully half the length; hinge-line extended ; dorsal slope erect, marked by an internal ridge ; margin slightly inflected, if at all, though some indication exists of a very narrow escutcheon; anterior lunette equally inconspicuous; ventral margin symmetri- cally arcuate between the extremities, with which it connects by similar gradu- ally increasing curvatures; posterior end truncate for a short space near the termination of the hinge-line, with which it forms an angle of about 130 s ; anterior end semi-elliptically rounded. Valves somewhat appressed ; greatest distension one-fourth the distance from the beak to the venter. Surface of cast marked by faint lines of growth. Length -86 (100) ; height -48 (55) ; length of anterior end -31 (36) ; of pos- terior - 55 (64) ; thickness of both valves "20 (23). Some specimens associated here are relatively shorter posteriorly, but not otherwise distinguishable. McCoy's generic names and distinctions, SanyuinolUcs and Leplodomus, seem preferable to King's Allorisma, inasmuch as the latter name, besides being subsequent in time, was originally defined under an erroneous idea, and was finally left to embrace shells regarded as sinupallial, a character which does not seem to belong to the so-called Allorismas of the Palasozoic period. San- guinolites lowensis, and probably some of the others just described, are allied in form to Cypricardia ; but I agree with Pictet and others in believing that, while we have no evidence of the existence of the teeth of Cypricardia in any of the Palaeozoic species generally referred to that genus, it is more natural to throw them into another association. Moreover, the sharply-inflected dorsal margin and broad, elongate posterior escutcheon, present in all the species of Ccelonotidie, would seem to indicate real affinities, and thus withdraw the Allorisma type entirely from the association in which it has been placed. Cypricardia? riyida, White and Whitfield, from the same rocks, is &Sanyui?io' to loose and yvpos, whorl.) Testa, oblonga, anfr. convexis. anfr. ultimo disjuncto, apertura circulari. Type. Valvata pupoidea Gould. [Feb. NATURAL SCIENCES OF PHILADELPHIA. 35 lateral, narrow and convex. Tentacles cylindrical, subulate, obtuse, with the eyes on very short peduncles towards their external inferior third. Bran- chiae in three rows, in the form of flattened filaments, slightly subulate, and scarcely dilated towards the inferior third. Generative organs on the right side ; verge internal, simple and contained in the tentacle ; female orifice under the border of the mantle on the same side. The genus Viviparus, or the Viviparidasofthis synopsis, are the only mollusks which appear to undoubtedly belong together ; of the^ other genera that have been referred by the Adams, Gray and Chenu to the family, Tanalia and Palu- domus are apparently rather related to the Melaniidae, and nearly agree in form of the shell, with Leptoxis of Raf. or Ancylotus of Say, while the structure of the animal, as far as described, is essentially similar to that of the true Melani- ans* and they agree with Viviparus only in possessing an operculum whose elements are concentric, but which is in other respects quite different. The genera Laguncula of Benson, and Rivulina of Lea, are unknown to me. All the known types of Vivipari are represented in the United States. Tulotoma Hald. Viviparus Lam. Melantho Bowd. Lioplax Trosch. = Haldemania Tryon. Family AMNICOLIDJE (Tryon,) Gill. Animal oval or elongated, completely retractile within its shell. Foot oval or rounded, generally narrow, and not continued in front of the rostrum. Jaws obsolete. Tentacles cylindrical setaceous, pointed, with the eyes sessile at their postero-external bases. Branchiae in a single row, in the form of trans- verse folds, somewhat dilated at the middle. Generative organs on the right side; verge external, behind the tentacle, bifid and with unequal branches ; female orifice under the margin of the mantle, on the same side. The following types belong to this family : Amnicola Gld. and Hald. ; Chilocyclus Gill ; Somatogyrus Gill. Bythinia Leach. The subgenus Bythinella of Moquin-Tandon corresponds to the genus Amnicola of Gould and Haldeman, and consequently should be so treated, al- though its first species apparently belong to the subgenus Pomatiopsis of Tryon ;f the materials now in my possession, or in the Smithsonian Collection, do not enable me to form a satisfactory opinion concerning that group : at present, I am disposed to doubt its distinction from Amnicola. In the present paper it is proposed to classify only the Viviparidse. The family of Amnicolidae has been recently proposed by Mr. Tryon for the genus Amnicola, but that gentleman has given no diagnosis. It is more nearly allied to the Melaniidae than to the Viviparidas, and the genus Amnicola has been referred to that family by Mr. Lea. The material of the Smithsonian Institution, &c, being now in the hands of Mr. Binney, I am unable to arrive at a satisfactory conclusion regarding the limits of our species, and, while expressing my opinions on the classification of our species by reference to those admitted by Binney, except in a single case, I feel somewhat disposed to dissent from him in several instances. As such a differ- ence of opinion would not necessitate any modification of the distribution among groups here proposed, I do not feel at liberty to dissent from him at the present time. J I have seen specimens of almost all the species enumerated. * The American Melaniidae, so far as I know, have not a fringed mantle and consequent- ly belong to a different group. t The subgenus, as defined by Tryon, is alluded to , the type of that group (A. lapi- daria) may, however, be quite different, and a representative of the family Aciculida;. fThe identification of Paludina Elliotti Lea, with P. cyclostomatiformis, is most doubt- ful. I am disposed to believe that, while the latter is a true Melantho, the former ie a 1863.] 36 PROCEEDINGS OF THE ACADEMY OP The forthcoming work of Mr. Binney, some time since issued as " proof,'' how- ever naturalists may be disposed to differ from him, will be of considerable value, as the full descriptions and figures of all real, as well as nominal species, are copied, and the labor and time of referring to many separate volumes, some of great rarity, will be thus saved. Family VIVIPARID^E (Gray,) Gill. Animal elongated, semicylindrical, with the spiral visceral sack contained in a turbinate shell, into which the rest of the body is also perfectly con- tractile. Mantle encircling the neck with a very thin fold, simple in front. Foot, distinct from the neck, moderate, extending beyond the head, arched in front, and obtusely extended towards its angles, rounded behind ; adapted only for crawling. Head moderate, with the rostrum produced, entire or nearly so in front above. Jaws two, lateral. Tentacles two, contractile, with the eyes on short tubercles on the outer sides of their bases. Lingual ribbon strong, slender and elongate. Teeth in seven longitudinal rows, (3 | 1 | 3) laminar, with re- curved apices ; lateral convergent. Branchiae internal, and along an oblique line down the left side of the branchial cavity, in three regular rows, composed of flattened, slightly subulate filaments, scarcely dilated towards the posterior third (in types). Respiratory orifice under the collar, at the upper and hinder part of the neck. Generative organs, unisexual, on the right side ; verge at the end of the tentacle, in which the de- ferent canal is contained. Female orifice on the same side, under the margin of the mantle. Shell turbinate, conoid, covered with a thin, transparent, or rather thick, greenish, or olive periostraca; with the septa persistent; the aperture subovate, and with a continuous peritreme. Operculum annular. The shells of the groups and genera of the family represented by American species are distinguished as follows : a. Shell subconic ; lips continuous on a uniform plane Vivipari. 1. Shell with revolving nodulous carinte. Aperture slightly effuse at base Tulotoma. 2. Shell with the whorls smooth. Aperture broadly rounded at base Viviparus. /?. Shell turreted. Outer lip subangulated, sinuous or incurved at base Lioplaces. 1. Operculum with concentric elements Melantho. 2. Operculum with a spiral nucleus Lioplax. The groups of Vivipari and Lioplaces, among which the American Viviparidas may be thus distributed, are decidedly distinguished by differences of den- tition, which are coincident with the well marked conchological characters. The dentition of Viviparus, Melantho and Lioplax has been examined ; although that of Tulotoma is still unknown, it is not probable that it will be found to ex- hibit any important difference when compared with the dentition of Viviparus. Group VIVIPARI. The rachidian teeth are broad, rather wider and more or less angulated to- wards the base ; recurved at their superior margins, which are also denticulated Lioplax ; and in this opinion I am supported by Mr. Tryon. Although autoptically unac- quainted with P. Elliotti, I judge from the figure that the form of the aperture and the carination of the whorls are alike in both ; the operculum of P. Elliotti is unknown ; a knowledge of its structure will decide the doubts concerning the affinity of the species. I am not acquainted with the reasons influencing Mr. Binney in his union of the two species. The arguments in favor of a union of so dissimilar 6pecies might not be unde- sirable, for an examination of the figures alone would scarcely * convince one of the iden- tity" of the two, but rather produce a contrary belief. [Feb. NATURAL SCIENCES OF PHILADELPHIA. 37 on each side of a central lobe or tooth. The inner teeth of the pleura are also broad, oblong, often narrowed near the base, and with the upper margins denticula- ted ; the median and outer rachidian teeth are narrow, with the upper margins subtruncated and denticulated. TULOTOMA Haldeman. Tulotoma Haldeman, Supplement to No. 1, of a " Monograph of the Limniades," &c, ofN. A., p. 2. "Oct., 1840." Shell imperforate, conic, rather thin, becoming more elongated and conic in its progress to maturity, with the whorls little convex ; whorls in adult with two nodulous revolving carinse, the lower of which is covered by, but produces a ridge beneath the suture of the succeeding whorl. Aperture obliquely semi- cordate, slightly effuse at base; lips continuous in a uniform plane ; outer lip thin ; columellar lip straight or little concave and obtusely connected behind with the outer. Operculum corneous, with its elements entirely concentric. Tulotoma is represented by only one species inhabiting the streams of Georgia and Alabama. It is readily distinguished from the typical Vivipari, to which it appears to be most nearly allied, by the form of the aperture, the nodulous carinae of the adult shell, and also by the form of the adult shell itself. The adult has been described as " heavy," but it does not appear to be really much more so than that of Viviparus. Tulotoma magnificum Tryon ex Conrad. = Vivipara magnifica B. ex Conrad. VIVIPARUS Montfort ex^Cuv. Vivipare Cuv., 1808, Lam., 1809. Viviparus, Montfort. Shell imperforate or rimate, conic or subconic, thin, with the whorls convex or rather flattened, smooth or carinated. Aperture obliquely oval and rather wide, broadly rounded at base. Lips continuous on a uniform plane; outer lip thin, columellar lip concave, closely appressed behind to the body whorl and forming nearly a right angle with the outer. Operculum corneous, with its elements wholly concentric. Viviparus, as here restricted, is a very natural and widely-distributed group. Its chief distinctive character is the form of the aperture and outer lip. The American species of the genus or subgenus are divisible among three sections, distinguished by a difference of form. 2 I- Shell ventricose, with very convex, smooth whorls. Viviparus lineatus ex Vol. = V. vivipara Binney, pp. Viviparus Wareanus ex Shutt., Binney. Viviparus Troostianus ex Lea, B. Viviparus intertextus ex Say, B. Viviparus coosaensis ex Lea, B. The V. subglobosa (Binney ex Say) is known to me only through descriptions. Mr. Binney is inclined to doubt its pertinence to this genus, but wouldrather refer it to the same group as Leptoxis isogona, L. pallida, and L. altilis. I II. Shell with the whorls more or less flattened obliquely, or in the direction of the spire, smooth or carinated. Viviparus subpurpureus (Ad.) ex Say. Hi- Shell with the whorls ornamented by revolving carinae, two of which are visible on each covered whorl. 1863.] 38 PROCEEDINGS OF THE ACADEMY OP Viviparus multicarinatus (5.) ex Hald. The third section of Viviparus, or another closely related to it, perhaps in- cludes V. bengalensis (Ad.) ex Lam., V. borroughianus Gill ex Lea, V. bilineatus Gill, and other Indian species ; the suspicions that might be entertained as to the strict affinity of species so widely separated geographically, can only be relieved by an examination of the mollusks themselves ; the shells are very similar. The genus Viviparus is represented by a number of species in the lignite beds of Fort Union which have been referred by Messrs. Meek and Hayden to the Eocene epoch. My friends, Messrs. Meek and Hayden, have adopted the same conclusions as myself regarding the distinction of Viviparus and Melantho, and have now referred, with myself, six of the species formerly described by them, to Viviparus, accepting that name, and two others to Melantho. Five of those species are distributable among the three groups above indicated, while the sixth is the representative of a distinct one. The following list shows their affinities : \ I- Viviparus Leaii M. and H. retusus M. and H. " Conradi M. and H. I II. \ HI. " trochiformis M. and H. " Leidyi M. and H. I IV. Shell rather thick, with numerous revolving lines, sometimes obsolescent. Viviparus Raynoldsianus M. and H. These species will be illustrated and fully described in the forthcoming work of Meek and Hayden on the Fossils of the Upper Missouri country. In the beds at Fort Washington on the banks of the Potomac River, which probably belong to the Post Pliocence epoch, a species of Viviparus is found in great numbers, which appears to be referrible to the V. subpurpureus ; the latter is now only known to exist in Florida and the Western States. Mr. L. E. Chit- tenden first obtained specimens from Fort Washington ; Mr. Binney also con- siders the specimens to be referrible to the V. subpurpureus. Group LIOPLACES. The rachidian teeth are broadest and angulated at the base ; narrowed above, and recurved, ivith the margins entire. The inner teeth of the pleura are ob- lique, oblong, recurved and entire ; the median and outer pleural teeth are also entire, obliquely recurved, narrowed and terminating each in a point, or claw- shaped. MELANTHO Bowdich. Shell imperforate or rimate, turreted, thick and of very compact structure, never provided with colored bands, with the whorls more or less compressed longitudinally, smooth or rarely carinated. Aperture obliquely semi-cordi- form, rather narrow, broadly rounded and sinuous or retreating backwards at the base, the outer lip trenchant, and produced near the base ; columellar lip nearly straight, closely appressed to the body whorl and forming nearly a right angle with the outer. Operculum corneous, with its elements wholly concentric. Melantho is a type peculiar to America, I believe. It is readily recognizable by the peculiar physiognomy of the shell, produced by the compression of the whorls in a longitudinal direction, so that the sides of each are nearly parallel, and a turreted form is thus obtained. It may be therefore likened, as to form, [Feb. NATURAL SCIENCES OF PHILADELPHIA. 39 to the genus Latrunculus of Gray, or Eburna of others.* The shell structure appears to be more compact than in the typical Vivipari, and the species gen- erally are more ponderous. The angulation of the outer lip and the sinus at the base are characteristic, and contrast strongly with the uniform plane of thp aperture of Viviparus. The figure of a <; deformed" V. decisa (36) published by Binney, gives an ex- aggerated idea of this peculiarity of form. The soft parts of Melantho appear to also differ from those of Viviparus, the rostrum being smaller and less protractile, and the auricles behind the tenta- cles are likewise much smaller. The earliest known American species of Melantho were contemporaneous with the Vivipari, three species having been discovered by Dr. Hayden in the lignite beds of Fort Union and described by Meek and Hayden as Vivipara mul- tilineala {=V. nebrascensis M. and H.), V. vetusta and Melania orLymnxa multi- striata. These have now been referred to the genus Melantho in the manuscript work of Meek and Hayden. Melantho multilineatus. " vetustus. " multistriatus. The following are referrible to the same genus, 3Ielantho: Melantho ponderosa Ad. ex Say = V. ponderosa B. " decisa Ad. ex Say = V. decisa B. " coarctata Gill ex Lea = V. coarctata B. " cyclostomatiformis Gill ex Lea = V. cyclostomatiformis B. " incrassata Ad. ex Lea = V. incrassata B. " decapitata Gill ex Anth. = V. decapitata B. " regularis Gill ex Lea = V. regularis B. LIOPLAX Troschel. Lioplax Troschel, Gebiss der Schnecken, p. 100, 1857. Haldemania Tryon, Proc. Acad, of Nat. Sciences, 1862, p. 451. Paludina sp. auct. Vivipara sp. auct. Shell imperforate or rimate, turreted, rather thick ; of very compact struc- ture ; unprovided with colored bands ; whorls carinated and longitudinally flat- tened, with the sides nearly parallel. Aperture little oblique, oblong-oval, broadly rounded at the base, and sinuous or retreating backwards, the sharp outer Up being subangulated near the front; columellar lip concave appressed to the body whorl, forming an obtuse angle with the outer. Operculum corneous, with a large spiral nucleus, but with the subsequent accretions concentric. This type is evidently most nearly related to Melantho, but differs especially in the spiral nucleus of the operculum, as well as in the form of the aperture A single species is found, which has been ascertained to inhabit some of the streams of Ohio, Indiana, Kentucky, Pennsylvania and New Jersey. We are indebted for its subgeneric distinction to Prof. Troschel and Mr. Tryon. Lioplax snbcarinata = Haldemania subcarinata = Vivipara subcarinata B. ex Say. Note. I regret that I have not been able to avail myself more fully of the invaluable " Gebiss der Schnecken" of Dr. Troschel. The four parts were only received at the Smithsonian Institution, through the kindness of Prof. Agassiz, * The name of Latrunculus has been recently applied by Dr. Gunther to a genus of Gobioid fishes, but, if no other reasons, cannot be retained on account of preoccupation of the name. The genus had. however, previously received the name of Apkya from Risso. 1863.] 40 PROCEEDINGS OF THE ACADEMY OF the day before the reception of the proof of the foregoing paper, and conse- quently too late to compare my views with those of the distinguished author. I am happy to find that the validity of the groups of Viviparida% which have been above denned, is confirmed by the researches of Dr. Troschel, who has examined the dentition of several species of true Viviparus, besides that of the Pahidina subcarinata of Say, for which he has proposed the name Lioplax. The latter name is now substituted for Haldemania of Tryon, and is modified to form the name of a group containing that genus and Melantho. Additional Remarks on the North America iEGIOTHI. BY ELLIOTT COUES, A. M., M. D. Since the publication in the Proceedings of the Academy for November, 1861, of rny Monograph of the genus, the Smithsonian has been constantly in the receipt of additional specimens from all parts of North America. These were mostly the A. linarius ; but collections from the North have usually contained a number of well -characterized examples of A. exilipes. Nothing, however, of special importance has been elucidated, until the reception of a series collected in winter in the vicinity of Quebec. These specimens, as they throw much light on the variations of the typical species of the genus, A. linarius, will merit a brief notice. If the deductions I have drawn from these specimens are warrantable, we have in North America the forms long recognized in Europe as A. HolbSlli and A. rufescens ; and these are both rather races than distinct species. Selecting from the series two or three skins which differ most markedly from the usual style of linarius, and comparing them with a typical specimen of the latter from Philadelphia, I find the following differences : The bird is very decidedly larger. The difference in total length is nearly one inch, as near as I can judge from the dried skins. The wings and tail are each about a fourth of an inch longer. The tarsus and middle toe with its claw are together about two-tenths of an inch longer.* The bill and feet are decidedly larger and stouter, though perhaps not disproportionately so. The former is somewhat elongated ; its lateral outlines straight instead of a little concave ; its culmen slightly curved. The bill is of a bright chrome-yellow, except just along the culmen and at the extreme tip. The gular spot seems rather large. In other respects, the two birds are quite identical, for, with these differences in size, there is an exactly proportionate increase in the bill, feet, wings and tail ; and the colors of the two do not differ appreciably, ex- cept in the bill, and perhaps the larger gular spot. The specimens give the idea, in fact, of overgrown individuals of the common linarius. But now, on examining in detail the rest of the series, I find that, from the one extreme, the characters of which have just been given, there is a com- plete and gradual transition, a diminution in size, down to specimens which cannot possibly be distinguished from typical linarius. There is no break in the series ; no dividing point where we can stop calling the specimens " linarius" to give them another name ; in spite of the discrepancy which is so evident between the two extremes. The point of interest which attaches to these specimens, is the bearing they may have on the mooted question of the claims of sEgiothus Holbolli to full specific rank. As was the case at the time of the preparation of my Mono- graph, I have never examined a specimen which professed, upon good Euro- pean authority, to be that species. Careful examination, however, of the *The tarsus, middle toe and claw together, of the specimen sunder consideration, measure absolutely 1*20 inches ; the same parts in linarius are about one inch : in exilipes -80 of au inch. [Feb. NATURAL SCIENCES OP PHILADELPHIA. 41 figures and diagnoses of the various authors who have treated of this bird has shown that there are assigned to sEgiothus Holbolli, as dis- tinctive characters, exactly those differences from the linarius which exist in the specimens under consideration, viz. : larger size, larger, more elongated and bright yellow bill, and larger gular spot. I think there can be no reason- able doubt that these specimens represent in North America the form long recognized in Europe under the name of JEgiothus Holbolli. If this be the case, next comes the question, what rank are we to accord to this form. Is it to be looked upon as an accidental variation from the type, as a well marked variety, or as a distinct species ? Brehm was the first to proclaim it as distinct, and give it a name. Temminck, Sthlegel, Bonaparte, and other authors, who are rather more orthodox in their ideas of a species than is Brehm, have always inclined, more or less decidedly, to the opinion that it is rather a race or subspecies of A. linarius. The fact of there being a complete gradation towards the linarius, has not escaped attention, and has been a powerful argument against according to it full specific rank. For my own part, though unable to demonstrate the point incontrovertibly, I am in- clined to reiterate still more strongly the doubts expressed in my Monograph, as to the propriety of separating it from the linarius. Pursuing this question of the variations which A. linarius presents, we find another species, A. rufescens, which has never been able to fully vindicate its claims to specific distinction. First introduced by Vieillot, its existence was strenuously denied by Temminck, doubtfully regarded by Bonaparte and Schlegel, and admitted by Cabani-> and others. I have always entertained strong doubts as to its validity. The characters assigned are slight enough ; and that they exhibit a gradation towards A. linarius, is admitted even by those who contend for its separation from that species. In examining two hundred or more specimens, I find many individuals, fully as small, in fact, and with as much of a reddish tinge, as specimens from Europe labelled li ru- fescens " by good authority. The existence, then, in North America of these two races, or species, which- ever they may be, the one larger and the other smaller than the typical lina- rius, m ay be considered as exceedingly probable, if the fact be not actually demonstrable. As a sort of negative argument, I may remark, that one might naturally look for their occurrence in this country, as tbe typical lina- rius from Europe is absolutely identical with our own. JEgiothus rufescens and A. Holbolli, compared with A. exilipes, afford a good illustration of the limits between which a species may vary from its normal type ; while another species, looking at first glance more like this type than do either of its extremes, is permanently distinct. I have no reason to change any of the views expressed with regard to three new species I have introduced. Additional specimens confirm the position as- sumed, especially regarding A. exilipes. I may here, however, correct a typographical error, which gives the date of the first introduction of A. fusees- census "Aug., 1860," instead of "Aug., IStil." March 3d. Mr. Jos. Jeanes in the Chair. Twenty members present. Tbe following paper was presented for publication : Enumeration of the plants collected by Dr. Parry, and Messrs. Hall and Harbour, in Colorado Territory. By Asa Gray. 1863.] 4 42 PROCEEDINGS OF THE ACADEMY OF March lQih. Vice-President Vaux in the Chair. Twenty members present. The following paper was presented for publication : On Trachycephalus, Scaphiopus, &c. By E. D. Cope. Mr. Cope mentioned that a fish obtained by Jesse Burke, in the cedar swamps of New Jersey, he had determined to be a new species, for which he proposed the name of Hololepis simus. March Vlth. Vice-President Bridges, in the Chair. Twenty-five members present. The Publication Committee laid on the table Part 3 of Volume V. of the Journal, just published. March 2,1th. The President, Mr. Lea, in the Chair. Twenty-five members present. The following papers were presented for publication : Catalogue of the Fishes of California, Part 4. By Theodore Gill. Descriptions of new species of Pediculati, &c. By Theodore Gill. Additions to the Catalogue of Stars which have changed their colors. By Jacob Ennis. Tetraolagophus, "White Grouse, &c. By James A. Grant, M. D. Dr. Leidy directed attention to some portions of the aorta of a horse, con- taining parasitic worms, presented this evening by Dr. R. Jennings, veterinary surgeon. The worms belong to the species Sclerostomum armatum. A letter from the donor, giving an account of the case, observes : "The horse appeared generally in good condition, and was a yearling colt. It was taken with symptoms of prostration, and slightly hurried respiration, and died four hours after the attack was noticed. Patches of inflammation were observed in various parts of the intestines, aud several of the mesenteric .glands were of a dark bloody appearance, and contained clusters of small worms. Parasites of the same character were noticed in the liver, and on the exterior of the kidneys. ' A clot of blood, the size of a goose egg, was found between the coats of the left iliac vein, and contained a large number of the worms. They appeared to have perforated the internal coat of the vein, and thus caused the extravasation of blood. The worms were also observed in small clusters contained in the coats of the thoracic aorta." Dr. Leidy also exhibited a specimen of sheep wool, striped alternately black and white, which was presented this evening by Mr. Joseph P. Hazard. In a note the donor observes, that his brother, Mr. Rowland G. Hazard, of Peace Dale, R. I., who gave him the specimen, stated mat in an experience of forty years' connection with the manufacture of the article, he had never before seen anything of the kind. Mr. Vaux exhibited an Indian axe, of native copper, from a mound near Ham- ilton, Ohio. The Committee on Proceedings, laid on the table the published number for January and February. [Mar. NATURAL SCIENCES OF PHILADELPHIA. 43 March 31st. The President, Mr. Lea, in the Chair. Twenty members present. On report of the respective Committees, the following papers were ordered to be published in the Proceedings : Oa TRACHYCEPHALTTS, SCAPHIOPUS and other American BATRACHIA. BY E. D. COPE. Trachycephalus, Tsch. In the most recent enumeration of the species of this genus (by Dr. Gunther, 1858,) four are recognized: one, T. geographicus, from Brazil, and three from the Antilles. I am enabled to add four to the latter, which have been sent from those regions by 'Messrs. Wright and Weinland, and Professors Poey and Adams, all well known as most efficient laborers in advancing our knowledge of zoology in that field. It does not appear to have been stated that the males of certain species of this genus, T. inarmoratus, insulsus, o v a t u s, possess, during the breeding season, a corneous sheath upon the tuberiferous metacarpus of the inner anterior digit, as occurs in Discoglossus and Scaphiopus. Specimens of males in which the generative organs are not enlarged, are destitute of thi3 pellicle ; it is, however, readily lost after saturation in fluid. Its object here, as elsewhere, is to assist the powers of prehension of the male. The following table contrasts the peculiarities of the West Indian species : A. Posterior margin of area of cephalic dennoossification continuous with the skin of the nape ; a. Without distinct cordiform outline. p. Its length from end of muzzle equal to breadth of jaws opposite middle of orbits. Muzzle acuminate; tongue entire; fingers scarcely webbed i n s ul s u s. Muzzle rounded ; tongue cordate ; fingers well webbed o v a t u s. PP. Length of casque from end of muzzle less than breadth of jaws opposite middle of orbits. Skin tuberculous; heel scarcely reaching muzzle; casque concave in posterior outline >. marmoratus. Skin nearly smooth ; heel reaching beyond muzzle; casque straight in posterior outline w r i g h t i i. a*. Casque with posterior cordate outline complete from orbits ; Canthus rostralis nearly straight ..... scutigeras. AA. Posterior margin of casque elevated, crest-like. Length from muzzle to border of casque much less than breadth of jaws at middle of orbit Iichenatus. Length from muzzle to border of casque equal or greater than breadth of jaws at middle of orbit anochlorus. T. insulsus Cope, sp. nov. Head elongate, outlines converging toward end of muzzle. Length from that point to posterior border of casque equal to distance across mouth at orbits. Top of cranium plano-concave, end of muzzle prominent, rounded in profile. Posterior outline of casque straight or slightly emarginate, extending nearly to tympanum. Canthus rostralis strongly marked, with a slight point or ridge one-third distant from orbit. Loreal region concave. Eyes very prominent, twice extent of tympanum. Vomerine teeth in transverse series. Internal nares equal ostia pharyngea. Tongue ast emarginate. Skin of upper surfaces 1863.] 44 PROCEEDINGS OF THE ACADEMY OF sparsely tuberculous. Three external digits one-fourth webbed. Heel reaching a little beyond orbit. When the markings of the upper surfaces are not obso- lete, there is a brown band converging from the supercilium towards one upon the other side, then diverging, and becoming broken up on the iliac region. Lateral and posterior femoral regions marbled ; extremities banded. Length from muzzle to posterior margin of casque 16"';* least breadth between orbits 8"'. From casque to vent 4" 5'"; anterior extremity 3" 5"'; posterior extremity 8 r/ 8 fff . Habitat. Cuba. From Prof. Poey. Mus. Smithsonian, Nos. 6265-6. Academy Natural Sciences. T. o v a t u s Cope, sp. nov. Length from extremity of muzzle to posterior border of casque equal to breadth from one os maxillare to the other at orbits. Head depressed, espe- cially anteriorly ; maxillary outlines much rounded, not acuminate. Muzzle rounded in profile. Canthus rostralis strong, but little concave, far within maxillary border ; loreal region grooved. Posterior border of casque extend- ing nearly from tympanum to tympanum, slightly doubly-convex. Eyes very prominent, more than twice the extent of the tympanum. Internal nares larger than ostia pharvngea. Tongue emarginate. Vomerine teeth between nares, in two postero-externally divergent series. Digits of anterior extremity nearly half-webbed. Heel reaching nearly to end of muzzle. Skin of upper surfaces nearly smooth. Length from end of muzzle to posterior border of casque 1 // 7 /// . Least width between orbits 7 /// . Length from casque to vent 4 // 5 //V ; of anterior extremities 3" 6'" ; of posterior extremities 8" 5'". Above deep brown, beneath immaculate ; upper faces of extremities indis- tinctly barred; lateral and posterior femoral regions spotted, and marbled with brown. Habitat. Hayti, near Jeremie. Dr. Weinland's Collection in Mus. Compara- tive Zoology, Cambridge. Perhaps this is the T. dotninicensis Gthr., which does not appear to be the species so named by Dumuril and Bibron. T. marmoratus Hum., Bibr. Head short; maxillary outline broadly oval. Length from end of muzzle to posterior border of casque less than from one alveolar margin to the other at orbit. Frontal region concave, especially in old individuals. End of muzzle nearly vertical in profile. Casque extending from tympanum to tympanim in fully developed individuals; the posterior outline openly emarginate or con- cave. Canthus rostralis convergent, concave, but little elevated, with a more or less obsolete furcation or process, one-third of its length anterior to the orbit. Loreal region very oblique, concave. Orbits twice the extent of tym- panum. Series of vomerine teeth either transverse, arcuate or oblique con- verging anteriorly. Posterior nares moderate. Tongue not or scarcely emar- ginate. Skin of upper surfaces coarsely, usually closely, tuberculous. Two external digits of anterior extremity very slightly palmate. Heel of extended extremity reaching from anterior to the orbit to near end of muzzle. Length from end of muzzle to middle of posterior margin of casque (in 9 from New Providence) 22 /// . Breadth between orbits 12 /// ; length from casque to vent 5 7/ 6 /// ; of posterior extremity ll" 5 /// . Length of bead and body in (^ (from New Providence) 4 // G /// . Specimens of this species in alcohol are either rufous brown, varied with dark brown, blackish brown, ashy, with confluent brown spots, or olivaceous, with close brown or black reticulations. Habitat. Cuba. De La Sagra, Poey. New Providence, Wood, Bryant. Hayti, Weinland, Cuming, ?Ricord. Jamaica, Gosse, Adams. Mus. Academy Nat. * The centimetre and millimetre are used in this paper. [Mar. NATURAL SCIENCES OP PHILADELPHIA. 45 Sciences, Pbilada.; Boston Nat. Hist. Soc. ; Compar. Zoology, Cambridge; Smithsonian, Washington. The palmation of the ringers in this species varies between bare existence and an extent equal to one-fourth the length of the digits. The series of vomerine teeth are either arched or straight. As the peculiarities of the Hyp- siboas dominicensis of Tschudi, as defined by Dumeril and Bibron, are exhibited within this range, I am induced to believe that it is but a nominal species. The dominicensis of Gunther, possessing a more extensive palmation of the anterior digits, is so far similar to the o vat us from the same island. I agree with that author in assigning the same name to the Jamaican animal, which is, according to him, the frog called Hyla brunnea by Mr. Gosse. The specimens labelled erroneously in Mus. Paris as having been brought from Cape North, in Norway, under the name Hyla septentrionalis, belong to the present species according to the " Erpetologie Generale." It is the oldest name, but, being but a museum label, must be passed over. Specimens from New Providence are of large size and with golden and oliva- ceous shades. T. w r i g h t i i Cope, sp. no v. Head short, broadly rounded ; length from end of muzzle to posterior border of casque less than breadth of mouth opposite middle of orbits. This poste- rior border extends from tympanum to tympanum, and i3 not emarginate. Fron- tal region very broad, concave ; muzzle oblique in profile. Canthus rostralis much within maxillary border, well marked, slightly concave, angle of conver- gence nearly right, with a weak descending ridge nearer orbit than nares. Eyes not very prominent, twice extent of tympanum, which equals discs of anterior digits. Loreal region concave. Vomerine series not short, transverse; inner nares not much larger than ostia pharyngea. Tongue very broad, slightly emarginate. Anterior digits scarcely palmate. Heel reaching beyond end of muzzle ; tibia measures a little more than twice from nostril to posterior bor- der of casque. Skin of upper surfaces very sparsely tuberculous. Length in a 9 , from end of muzzle to posterior border of casque, 2 // 5 /// . Least breadth of frontal region \" 2 /// . Length from posterior border of casque to vent 5" V" ; of anterior extremity 5" 5'"; of posterior extremity 13" V". Above purplish brown, beneath yellowish ; gular region brown-shaded ; sides and interior faces of femur and tibia marbled, and external faces of limbs banded with brown. Habitat. District of Guantanamo, Southeastern Cuba. Discovered by Chas. Wright, to whom it is dedicated. Mus. Smithsonian, (No. 5174.) T. scutigerus Cope, sp. nov. Head more elongate ; maxillary outline regularly rounded or slightly trun- cate. Length from end of muzzle to posterior border of casque less than dis- tance across the mouth opposite middle of orbits. Profile from occiput to muzzle gently arched, the latter not depressed, vertical (truncate) in profile. Canthus rostralis elevated, straight or convex just interior to orbit, converging at an acute angle, without branch-ridge. Loreal region nearly vertical, with a delicate groove between two patches of ossification. Cephalic dermo-ossifica- tion with a distinctly-defined cordate outline posteriorly ; separable more or less distinctly into two parietals, a pentagonal frontal and two elongate conver- gent nasal plates; where the latter are in contact with the parietals (on the superciliary margin) there is often an emargination. Eyes not prominent ver- tically, twice the extent of tympanum. Internal nares very large. Vomerine* teeth in two short, widely-separated, straight or slightly curved series, which converge anteriorly between the posterior margin of nares. Tongue scarcely emarginate. Anterior digits one-fourth to one-third webbed. Heel scarcely reaching beyond orbit. Skin very sparsely tuberculous or smooth. 1863.] 4G PROCEEDINGS OF THE ACADEMY OP Dimensions of a female. From end of muzzle to posterior border of casque 2" 4'"; least width of frontal region 1"5'"; greatest width of casque poste- riorly 2"; from casque to vent 5 // 8 /// ; anterior extremity 4" 6"'; posterior extremity 10" 8"'. Length of head and body of a ^ 5" 6""'. In spirits, brown ; a blackish band or spot behind tympanum, one across casque behind interorbital space, one on anterior dorsal, and some transverse blackish lines on scapular region. Extremital bands with pale borders ; sides brown-spotted ; a large brown, pale-bordered anal spot. Habitat. Jamaica, Prof. C. B. Adams. Mus. Smithsonian, (62G8.) Academy Nat. Sciences. T. lichenatus Gosse. Head short, broadly rounded in outline ; length from end of muzzle to most distant point of posterior margin of casque much less than breadth of mouth at middle of orbits; about equal to distance from one supratympanic ridge to the other. Frontal region very concave ; profile of muzzle nearly vertical. Can- thus rostralis short, very concave, forming a sharp elevated ridge posteriorly, with a short descending branch nearer the orbit; almost obsolete near the ex- ternal nares ; shorter than interorbital breadth. Casque with an elevated, crenulate, doubly-convex posterior margin ; rugose, especially upon the super- ciliary region. Eyes very large and prominent, three times the extent of the tympanum ; the latter is obliquely elliptic, contracted antero-superiorly, and bounded above by a crenulate arched ridge. Tongue broad, not emarginate. Vomerine teeth in two short, curved, well-separated series, between the poste- rior parts of the very large internal nares. Ostia pharyngea relatively small. Exterior anterior digits one-third palmate; palettes as large as tympanum. Heel reaching anterior border of orbit. Skin of upper surfaces roughly, medi- ally sparsely, tuberculous ; some prominent elevations near vent, two on the heel, and several on the tarsus and antebrachium. Dimensions of (-J 1 . Length from end of muzzle to posterior border of casque o" ; from latter point to vent 7" 4'"; breadth of interorbital space 1" 7"'; length of anterior extremity C" 2"'; of posterior, 14" 4"'. Color in spirits yellowish brown, with deep brown variations, most distinctly on the occipital, interscapular and the superior lateral regions ; sides and gular region coarsely brown-spotted. Extremities, including tarsus and foot, cross- banded. Under surfaces yellowish. Habitat. Jamaica, Gosse, Adams. Mus. Smithsonian ; Amherst, Mass. Mr. Gosse has given an interesting account of this very singular tree-frog in his " Naturalist's Sojourn in Jamaica," a work which is ever recurred to with pleasure. He has also described the colors as they appear during life, which are brilliant : they scarcely assist the student in separating the species when rendered unnatural by preservation in alcohol. T. anochlorus Gosse. Head elongate, maxillary outlines more accuminate than in the preceding species. Length from end of muzzle to most distant point of posterior margin of casque equal to or greater than distance from alveolar ridge to ridge at middle of orbits, greater than distance from one supratympanic ridge to the other. Fron- tal region very concave ; profile of muzzle vertical. Canthus rostralis as long as interorbital breadth ; it forms an acute elevated ridge, which has its median portion nearly transverse, and making nearly right angles with the anterior and posterior portions. Posterior outline of casque much elevated, cordiform, with radiating ridges. A supratympanic serrate ridge. Eyes less prominent, twice the extent of the oval tympanum. Internal nares very large ; vomerine teeth in short convex series between them. Tongue a little broader than long, entire. External anterior digits nearly half-webbed. Heel extending to an- terior margin of orbit. Skin of upper surfaces sparsely tuberculous, promi- [Mar. NATURAL SCIENCES OF PHILADELPHIA. 47 nent tubercles on antebrachium, heel and tarsus. Abdominal areolations rigid, prominent. Dimensions of a $. From end of muzzle to convexity of posterior border of casque 2" 9"'. Breadth of frontal region 1" 4'". Length from casque to vent 6" 5"'; of anterior extremity 5"; of posterior do. 12" 7"'. Color in spirits, above uniform olivaceous ; lateral and internal femoral re- gions marbled; extremities above banded with brown; mandibular region deli- cately brown-marbled. A dark anal spo'. Habitat. Jamaica. Drs. Gosse, Betton, Adams. Mus. Academy Natural Sciences ; Amherst College, Mass. It is altogether probable that this is the species described by Mr. Gosse, in his work previously mentioned, under the name adopted. His description, re- lating principally to coloration, is not conclusive towards any identification. Its affinities are altogether with the lichenatus, both being peculiar in the elevation of the posterior margin of the casque into a transverse crest. It differs in the greater elevation of this crest, the more elongate proportions of the cranium, the angulation of the canthus rostralis and less prominence of eyes, besides minor points. Hyla Laur. Hyla miotympanum Cope, sp. now Skin of superior surfaces smooth ; gular region areolate ; a gular and ante- pectoral fold, also one across the axilla; another running from inferior ante- rior face of thigh obliquely upwards to the iliac region. A fold across extremity of forearm, above carpus. Outer fingers one-fourth, toes extensively, webbed ; palettes larger than tympanum ; posterior extremities slender ; the heel reaches the end of the muzzle. Muzzle broadly rounded ; canthus rostralis short, loreal region oblique. Nostiils vertical. Byes very prominent, six times the extent of the small tympanum. Tongue slightly emarginate. Vomerine teeth in two elongate fasciculi between internal nares, presenting an obtuse angle posteriorly. Length from muzzle to upper border of tympanum 1 // ; breadth of jaws opposite middle of orbit 1 // . Length from tympanum to vent 1" 3 /// ; of an- terior extremity 1 // 9 /// ; of posterior extremity 5 // \ ,ff . In spirits, above purplish ash, (probably green in life,) with or without a few lighter specks, and indistinct darker reticulations. Extremities paler, not barred ; alight border from heel to digits, another bounding superiorly asubanal spot. Under surfaces yellowish ; superior labial border and lateral stripe bright yellow, the latter sometimes not well separated from the abdominal Bhade. Habitat. Near Jalapa, Mexico. Obtained by Sr. R. Montes de Oca. Mus. Smithsonian, (No. 6311,) Mirador, Dr. Sartorius. A species to be compared with rhodopepla Othr., rubicundula R. and L., luteola Burm., molitor Schm., but differing from all in the minuteness of its tympanum. In viridis the tympanum is larger, the head is more elongate and the hands less palmate, besides the presence of a yellow band on the tibia. Hyla p a 1 1 i a t a Cope, sp. nov. All the digits of posterior extremity palmate to penultimate phalanx ; of the anterior the three external are one-third webbed. Metacarpus of inner digit with a large tubercle. Tympanic disc one-sixth the size of the eye. Vome- rine teeth in a short uninterrupted series behind posterior margin of internal nares. Tongue oval, nicked. Muzzle prominent, truncate ; loreal region not concave. From nostril to orbit equal diameter of orbit, and is less than the width of the interorbital space. One vocal sac. Skin smooth above, not granulated on the gular region. The end of the tibia reaches middle of orbit when the limb is extended. 1863.] 48 PROCEEDINGS OF THE ACADEMY OF Length of head and body 19'" : of anterior extremities 10'" ; of posterior 25'". Extremities, lower surfaces, loreal and labial regions grayish-brown ; upper surface of head and body pale ochreous, abruptly separated from the other color all round. Habitat. Paraguay. From Capt. Page's Expedition. Mus. Smithsonian, (No. 6225 ;) Academy Natural Sciences. Hyla b a u d i n i i Dum. Bibr., Erp. Gen., viii. 564, 1841. The names Hyla vanvlietii, published in these " Proceedings" for 1854, p. 61, and H. muricolor, 1862, 359, apply to forms of this species. It is fmnd in Texas, Eastern Mexico and Honduras. Mus. Academy, Phila.; Smithsonian. Hyla (Hypsiboas) oxyrhina Rhdt. et Lutk., Videnskab. Meddelelser, etc. Kjobenhavn, 1862, p. 189. This species is identical with that described in these "Proceedings," 1862, p. 353, as Hypsiboas raniceps. The name of the distinguished Danish zoolo- gi=t must be retained, as the memoir in which it appeared was issued some months prior to our own. The former has just come into our hands. Hylodes Fitz. Hylodes planirostris Cope, Pr. A. N. S. Philada., 1862, p. 153. This species, hitherto known as a native of the Bahama Islands, has been sent to the Mus. Smithsonian (No. 6310) from Southern Florida by Dr. Cooper. It is the only species of the genus found in the United States, though Holbrook and Agassiz have described frogs under this name from our country. These belong to the genera Acris, Hyla and Pseudacris. Other reptiles common to the Bahamas and Florida are Anolis principalis and Sphaerodactylus n o t a t u s. The following species of Hylodes form a little group which I have called Craugastor, 'Proc. A. N. S., 1862, p. 153. They can be distinguished as follows : H. p u 1 c h r i g u 1 u s, 1. c, 1862, 357. Tympanum one-fourth extent of orbit ; the latter equal distance from its anterior border to end of muzzle. Carpus reaching anterior border of orbit. Muzzle truncate. Tongue emarginate. Loreal region concave. End of tibia reaching the end of the muzzle. H. g r is e u s. Hylayrisea, Hallow., Pr. A. N. S. Phila., I860, p. 485. Tympanum obliquely elliptic, one-third the extent of the orbit; diameter of the latter less than the length of the rather elongate and rounded muzzle. Carpus and end of tibia reaching the end of the muzzle. Loreal region con- cave ; canthus rostralis strong. Tongue emarginate; external metatarsal tubercle not developed. H. h a 1 1 o w e 1 1 i Cope, 1. c, 1862, 153. Tympanum horizontally elliptic, equal one-third extent of orbit; latter equal in diameter to length of muzzle, which is much rounded; loreal region nearly plane ; canthus rostralis weak. Carpus reaches end of muzzle, the tarsus only the orbit. Two well developed metatarsal tubercles. Tongue entire ; mandi- bulum rounded. Herr Schmidt has not given the minuter peculiarities of his H. (Craug.) fit z- i n g e r i i so as to enable us to distinguish it from the above. It is most like the pulchrigulus. Phyllobates Bibr. Phyllobates latinasus Cope, sp. nov. Head elongate ; front plane transversely, gently arched longitudinally, a little wider than from orbit to end of muzzle. The latter is prominent, broad and ooncavely truncate ; external nares lateral. Loreal regions plane. Internal [Mar. NATURAL SCIENCES OF PHILADELPHIA. 49 nares widely separated. Tympanum round, equal one-fourth extent of orbit, whose diameter equals length of muzzle from orbit. A slight web between outer fingers, of which the second is shorter than the inner or first; one large carpal tubercle, one on metacarpus of thumb. A dermal fold on the tarsus. Two metatarsal tubercles. The carpu3 reaches the end of the muzzle, and the heel the anterior border of the orbit. Length of head and body 3". Above brown ; a black band across end of muzzle and loreal region, through eye to groin ; pale-bordered above on the muzzle, and interrupted by an oblique white line from the femur. Femur dark posteriorly, tibia cross-banded ; (color of limbs not well preserved.) Beneath pale, immaculate. ffabilat. Truando region, New Granada. Obtained by Arthur Schott, Esq., Of the U. S. Expedition under Lieut. Michler. Hylaplesia Boie. Hylaplesia truneata. Phyllobates truncatus Cope, Pr. A. N. S. Philada., 1860, p. 372. A certain serrulation of the alveolar ridge of the maxillary bone, in this and the following species, greatly resembles dentition, and has caused their erro- neous reference to Phyllobates, instead of Hylaplesia. This animal is most like the H. o b s c ur u s e Bum., Bibr., but has much shorter posterior extremities. In both the anterior extremities equal the head and body ; in the former they are more than half the length of the posterior, in the latter, considerably less than half. In the t r u n c a t u s the first and second fingers are equal ; their expansions are one-fourth the size of the tympinum. The neural spines are very much dilated and thickened, especially that of the axis. There is a transverse bony ridge on the occiput. Hylaplesia a u r a t a. Phyllobates auraius Girard, U. S. Astronomical Expedition, ii. p. 209. In this species the muzzle is rounded, and the first finger shorter than the second, as in the H. t i n c tor i a. It has no occipital ridge, and the neural spines are only slightly thickened. Dilatations of posterior extremities one- fourth extent of tympanum ; of anterior, one-half the same. The ground color is black or brown. Crown and muzzle surrounded by a golden band ; two postscapular transverse annuli on each side, in contact on the median line ; a yellow annulus on each inguinal region; smaller rings on humerus and tibia. On pale specimens these markings are represented by refulgent bands which are readily destroyed or passed over ; hence the imperfections of Girard's de- scription. BUFONID.E. Rhaebo haematiticus Cope, Pr. A. N. S., 1862, p. 357. The genus Rhsebo is to be distinguished from Bufo by the presence of the manubrium sterni, in addition to the characters given, 1. c, p. 358. I have had opportunity of observing it in the present species and the R. leschenaultii. This character has been denied to all Bufones in Stannius' "Handbuch der Zootomie." I find it also in "Bufo simus Schm." 1. c, p. 357, which can hardly be placed in Rhasbo. I cannot assign it to a new genus until the value of its peculiarities is better known. The genus of Bufonida? for which I have adopted, in the above quoted article, Fitzinger's name Chilophryne, is not alone characterized by the presence of a parietal branch or continuation of the supraorbital ridge, as there indicated ; but rather by the straightness of the latter, its not describing the usual arc of the orbit, and its angle with the postorbital ridge, when the latter is present. The parietal ridge sometimes exists in a rudimentary or fully developed con- dition in Phryno'idis. P. sternosignatus e Gthr., illustrates the first case, and P. d' o r b i g n y i the last. As the latter species is the type of Chilophryne 1863.] 50 PROCEEDINGS OF THE ACADEMY OP Fitz., thi3 name must become a synonyme of Phrynoi'dis, and the genu3 to which I fiist applied it be called Incilius. The species which truly belong to it are I. lentiginosus, cognatus, woodhousei, americanus, n e- bulifer, veraguensis, coniferus, d i a lo p h u s, and probably bi- porcatus. The species d'orbignyi, c e 1 eb e nsi s and occellata formerly referred to it, must be placed in Phrynoi'dis Fttz. Bufo diptychus Cope, 1. c, 353, is the species described by Dr. Girard, a3 B. poeppigii Tsch., in Herpetology of U. S. Exploring Expedition. It is distinct from Tschudi's toad. CERATOPHRYDID.E. This family has been recognised in an indefinite way by Dr. Tsehudi,* who gives as its distinguishing features " kopf sehr gross, eckig, schief nach vorn verliingprt ; Hautverlangerungen am obern Augenliede." He includes in it the genera Ceratophrys, Phrynocerus, Megalophrys and Asterophrys. The unnatu- ral nature of this union has been demonstrated by Dr. Giinther, who places Asterophrys and Megalophrys in separate families, and assigns Ceratophrys with Phrynocerus to the Ranidae. The Ranidae of Giinther is, however, a hetero- geneous group ; and I would separate under Tschudi's name those genera of toad-like animals in which the manubrium sterni is wanting. These are Cera- tophrys, Phrynocerus and Pyxicephalus ;f probably Calyptocephalus will enter the same series ; but these I have not seen. Tschudi's inapplicable characters may be replaced by the following. Form slout, bufonine ; .head broad, elevated, Os maxillare toothed. Extremities short ; digits without terminal discs ; the posterior more or less webbed. Ear perfectly developed. Diapophysis of sacral vertebra cylin- drical. Manubrium sterni ivanting. Faratoids present or absent. I am not now acquainted with other peculiarities, though they doubtless exist. The S y stem of Opisthogloss Anura proposed by Giinther, like the system of Ophidia of the Erpetologie Generale, is a valuable index of the subject, but not an exposition of the scheme of nature. I have already J ventured the opinion that a primary division into forms with, and forms without dilatations upon the extremities of the digits cannot be maintained : this character must be sub- ordinated, as that of the presence or absence of teeth on the maxillary bones as employed by Dumeril and Bibron, has been by Giinther himself. He at- taches greater value to the former because it "is connected with a strongly- marked distinction in the mode of life." This appeal to adaptations is not uncommon ; but we now know enough of the system, to believe that the relations of its parts are to be determined by homological and embryological considerations combined, which coincide also with chronological and geogra- phical. Have we not creatures of similar habits and adaptations in the most diverse groups? It is enough to mention to a herpetologist the arboreal Viperidce and Crotalidas ; the corresponding types of Pleodonta and Ccelodonta, of Acrodonta and Pleurodonta; the gill-bearing Siredonand Siren, and a host of other such ; the parallelisms of the Implacental and Placental Mammalia, etc. Also the supposed Neotropical Shrikes and Certhiidse are Clamatores, and the supposed Salmonidse are Characins. In comparing many of these cases, we observe, too, how by approximation in time, analogy becomes affinity. In pursuance of this view, the probability of a distinction between the Hylodidae and Cystignathidae of Giinther has appeared to the author to vanish in great mea- sure. The discovery of the genus Tarsopterus of Reinhardt and Liitken, in con- nection with that of Plectromantis, by Wagner, has confirmed this opinion. The two genera are incontestably nearly allied, as urged by Reinhardt.|| though the * Classif. der Batrachier, 26. t Stannius' statement, "Zootomie der Amphibien," p. 17, that Pyxicephalus possesses the manu- brium, relates properly to the species now called Tomopterna, which were formerly included under that genus. J Proc. Acad. Philada.. 1862. p. 351. || Videnskab. Meddelelser Kjobenhavn, 1862, p. 240. [Mar. NATURAL SCIENCES OF PHILADELPHIA. 51 latter only has paratoid glands. Their margined toes are but a step beyond those of certain Cystignathi ; their digital dilatations are as distinct as those of many Hylodidaj. The family of Cystignathida?, thus composed, would contain the types Platyplectrum Gthr., Limuodynastes Filz., Cystignathus Wagl, Pleuro- dema Tsch., ?Gomphobates R. and L., Ischnocnema R. and., Liuperus D. and B., Tarsopterus R. & L., Plectromantis Peters, Crossodactylus Bum., Bibr.,Fhjl- lobates Bibron, Hylodes i'ftz., (or the genera into which the last may be divided.) In this association the paratoids of Plectromantis have but little weight, as in Pyxicephalus in our Ceratophrydidre ; and it is probable that it will again be found that their presence or absence is immaterial in the definition of certain families in the Anura, although others may be well characterized by them, a3 in Gunther's method. The genera Pelodryas Gthr., and Scytopis Cope, with large paratoids will probably be referred to the Hylidae, which has been defined as destitute of them. Pyxicephalus cultripes. Ochntophrynus cultripes Rhdt. and Liitk., Videnskab. Meddelelser, etc., Kjobenhavn, 1862, p. 159. If we introduce the presumed genus Odontophrynus into Dumeril and Bib- ron's table of genera of Raniformia, the only character which seems to separate it from Pyxicephalus is the concealed tympanum of the former, as distinguished from its visibility in the latter. This character is sometimes of very little value, the tympanic disc being more or less distinct in different individuals of the same species of many Anura, in proportion to the tenuity of the epidermis. This is especially seen in species of Bufo. The text relating to Pyxicephalus americanus, however, settles all doubts, as it says, M Tympan imperceptible au travers de la peau." In their Latin diagnosis, Reinhardt and Liitken say " dentes** non in palato ;" but in the text, " To langagtige i midten ikke sam- menstodende Tandgrupper ere stillede paa Ganen mellem de indre Naesebor," etc. As the figure represents palatine teeth, they are doubtless present. The species cannot, therefore, be separated from Pyxicephalus. It is very nearly allied to, if not identical with, the frog called Pyxicephalus ? n. sp., in the recently-published Catalogue of the collection brought home by the United States Paraguay Expedition.* ALYTID.E. SCAPHIOPCS. The species of this genus are seven in number ; they are found throughout the temperate regions of North America, and as far southward as the City of Mexico. They represent the single Alytes obstetricans of Europe, which differs in its want of manubrium sterni, its slightly-webbed toes, and its cunei- form bone forming but a tubercle ; and the Helioporus albip u n c t at us of Australia, where there is a spur upon the thumb, and trihedral diapophysis of sacral vertebra. They may be at once separated by means of the following synopsis : I. A gland in the upper integument of tibia. Head short; tympanum concealed mu Itiplicatus. II. No gland in upper integument of tibia. at. No pectoral glands. /?. Length of tibia three times frontal breadth. Muzzle depressed, prominent. Tympanum concealed conchii, Muzzle elevated, truncate in profile. Front plane ; Loreal region covex, oblique varius. 1863.] * Proc. A. N. S., Phil., 1862, 352. 52 PROCEEDINGS OF THE ACADEMY OF Loreal region straight, nearly vertical re c t if r en i s. Front swollen bombifrons. /?/?. Length of tibia four times frontal breadth. Muzzle truncate in profile hammondii, eta.. A gland on each side of thorax, near axilla. Tympanum one-half the extent of the eje holbrookii. S. multiplicatus Cope, sp nov. Form broad, squat. Head very short ; profile rapidly descending ; maxillary outlines acuminate, oval ; muzzle thick, rounded. Eyes very prominent. From these a strong fold passes posterior to the angle of the mouth and across the gular region ; tympanum covered by a portion of the paratoid gland anterior to this. Paratoid proper very large, extending beyond scapula, bent upon the side; bounded inferiorly by a strong fold, which extends from the one above mentioned to the groin. Below this, on the sides, are two or more others. Skin of upper surfaces coarsely tuberculous, that of the crown thick, of the extremi- ties nearly smooth. A large gland occupies most of length of tibia. Abdomen minutely, pubic region coarsely, rugose. Cuneiform process rather short, very prominent. Vomerine teeth in fasciculi opposite posterior margins of choanae ; the latter smaller than ostia pharyngea. Tongue entire, with a narrow, free anterior border; on third free posteriorly. Dimensions of a $. From end of muzzle to vent 5" 1"'; muzzle to behind tympanum 16'"; length of anterior extremity 1" 6'" ; of posterior extremity 5" 4'". Color in spirits: above ashy-brown, below yellowish-ash. Habitat. Valley of Mexico. Sent by Mr. Jno. Potts to the Mus. Smith- sonian, (No. 3694.) This species is very bufonine in aspect, and might be regarded as represent- ing a different genus from the type of holbrookii were it not for the exist- ence of c o u c h i i and bombifrons. S. c o u c h i i Baird, Proc. A. N. S., Phila., 1854, p. 62. Rept. U. S. and Mex. Bound. Surv., Reptiles, p. 28, pi. XXXV. figs. 1-6. Form stout ; head more elongate, acuminate oval; width Jof frontal region greater than from lip to nares, one-third the length of the tibia. Profile gradu- ally descending ; front plane, muzzle projecting, rounded. Anterior border of tympanum scarcely distinguishable. Eyes very prominent. Vomerine teeth opposite middle of choanae, which equal ostia pharyngea. Tongue slightly emarginate. Paratoid gland flat, descending on the side. Skin tuberculous, especially on the sides ; sometimes a slight cryptiferous thickening of integu- ment of tibia ; none on the sides of the pectoral region. A posttympanic and an antepectoral fold. Abdomen slightly rugose ; gular region smooth. Cunei- form process elongate. Toes fully palmate. Dimensions of a wcr separate it from R. FlauirmUaveir. reptans: and the mostly entire and narrow leaves, the globular head of carpels and the depauperate size (2 or 3 inches) from R. ujjinis, of which it has the achenia. 1 have seen only a single specimen. f- Papaver alpinum, L., was again collected by Dr. Parry, No. 147. J This sp-eies whieh h .Ids itscharacters well when described, was compared with ourC. rhnm- boidea and rotwudifolia on the one hand, and on the other, with the European C.asori folia, which, so far as recorded, inhabits only central Europe, lsut I have just received from Kew a specimen collected by Dr. Lyall on the banks of the Ashtnoda River, in the Cascade Mountains of N. W. America, at about lat. 4'J", which, so far as my means of comparison extend, appears to belong to C. asartfoiia. The interesting bearing upon questions of geographical distribution ia obvious, viz.: as to the probable affiliation of C. asarifolia, anguluta, cordifolia, rhumboidea and rotiindi- folia . g Specimens of this were sent by me to Dr. Hooker, to ask his opinion. He replies : " It is Dra- ba Johannis of Europe, according to Mr. Ball, except that the flower is yellow. It is certainly also D. crassifolia, Graham, from Rocky Mountains, Drummond, and evidently the same as D.l\ad- nitzensis, Walp., and D. lactea, Adams, B.pygmsea, Turcz., and a host of others." 1863.] 5 58 PROCEEDINGS OF THE ACADEJfV OF regarded by Regel, i.e., D. muricella, Vahl., with pubescent silicles, and a smooth form of D. nemoralis. 42. D. nehoralis, L., two pubescent forms. 44. D. aurea, Vahl. 45. D. streptocarpa, Gray, Euuni. PI. Parry, p. 13, No. 96, with some reduced, high alpine forms, in which the silicle does not always twist. 43. Smelowskia calycina, C. A. Meyer, (Hutchinsia, Desv.) High alpine. 46. Thlaspi cochleariforme, DC. Common at all heights. 47. Physaria didy- mocarpa, Gray, var. ? The same as Parry's 101, but more hoary, and with a longer slender style. Mature fruit and seeds being still wanting, it yet re- mains as doubtful as before whether this is a form of Hooker's species. 48. Vesicaria Ludoviciana, DC. 49. Vesicaria jiontana, n.sp.,* from the middle mountains ; also collected last year at Eureka by Mr. Howard, but without fruit. 50. Stanleya jntegrifolia, James. 51. Thelypodium (Pachypodium, Kutt.) isTEGRiFOLic.M, Torr. and Gray. CAPPARIDACEJE. 52. Cleome integrifolia, Torr. & Gray. 53. Cleomella tenuifolia, Torr. VIOLACEiE. 54. Viola biflora, L. 55. V. Nuttallii, Pursh. 56. V. Muhlenbergii, Tar. pubetcens, same as 108 of Parry. 57. Ionidium lineare, Torr. PARNASSIE^I. 575. Parnassia paryiflora, DC, Hook. Two forms of the species, into which P. Kotzebuei, Cham., probably passes. It is No. 427 of Dr. Parry. 57S. P. fimbriata, Banks ; a small form of the species ; the flowers only half the size of those of the ordinary state. It is No. 428 of Parry's separate col- lection. HYPERICACEiE. 58. Hypericum Scouleri, Hook., which apparently is also H. formosum, HBK. ELATINACE^E. 59. Elatine Americana, Arn. On the Platte River. (60. See Pritnulaceae.) CARYOPHYLLACEiE. 61. Silene Scouleri, Hook; 62. S. Drummo.vdii, Hook. 63. Lychnis apetala, L. vars., same, as 132 and 133 of Parry. 64. Silexe Mexziesii, Hook. 65. SlLENE ACAULlS, L. M. Paronychia pulvixata, n. sp.,f the same as Parry's 297. of which he also has collected very fine specimens this year. 67. P. Jamesii, Torr. and Gray. 68. Sagina LiXHiBi, Presl. 69. Arenaria (Alsise) Rossti, R. Br., the taller stems 3-5-flowered, pretty clearly a mere arctic-alpine form of A. *Vesicaria Montana (sp. nor.): argentoo-inraua : caulibus e radice perenui dift'usis folio-is: foliis spathulatis, radicalibus subovatis potiolatis nunc 1-2-dentatis; racemo fructifero elongate; silicula ovali seu ellipsoidea cano-pobescente stylo giacili longiore pedicel!" patents sursum cur- vato paullo breviore. Habit of I". Ludoviciana, argyi sea, and argenteo; well-mai ked by the oval or oblong silicle (which is. in some specimens', 3 lines in length, but of scarcely half that breadth, while in others it is shorter and broader, barely oval in outline,) hoary, with a fine stellular pu- bescence, one-third longer than the style, commonly one-third or one-half longer than the pedicel, nearly terete; the valves of the same rather firm texture as those of Y.LvdoYiciana, more convex than those of V. alpina. Seeds four or six in each cell, wingless. retain spatulate, light yellow. F.l tnients filiform. t Paronychia pulyinata (sp. nov. ): depressa, e caudice lignescente pulrinatocfcspitosa, fere gla- bra; stipulis srgenteis ovatis integris muticis folia oblonga obtusa margine ciliolato-scabra snb- asquantibus emu iis ramus breves usque ad florem termiualem sessilem dense veLientibus; calycis segmentis ovalibus late scariosis sub apice cucullato aristulatis, aristula cucullum vix superante. Iu the hisrh alpine region, quite comm >n. Forming dense, cushion-hke tufts, apparently like those of Silene aoudis, denser than those of P. sessiliflora, Nutt. Stipules 2 line* long, broadly ovate and obtuse, or the uppermost somewhat taper-pointed or acute, but muticous. Leaves -'. or 3 lines long, about a line wide, bright green, flat, thick, very obtuse and muticous, nerveles-i. Flower solitary and immersed a inmg the leaves. Stamiii >dia 5, similar l> the fertile filaments. Ovary glabrous, tapering into the lather short style. [Mar. NATURAL SCIENCES OP PHILADELPHIA. 59 uliginosa, Schleich, (Ahine stricta, Wahl.) 77. A. arctica, Stev., tlie same form as Parry's 141 ; and with it specimens of A. biflora, Wahl., var. earn i- losa, Fenzl., with flaccid procumbent stems, and longer, lax, falcate leaves. If forms of the same, then A. arctica and bifioru are properly united by Dr. Hooker. 79. A. Fendleri, Gray. 70. Stellaria umbellata, Turcz. ? An ambiguous form, of the alpine region, with the capsules, seeds, and scarious bracts of S. longifolia, but with oblong, flaccid leaves, and petals wanting.* 73. From middle elevations, is a form of the same, without fruit. S. alpestris, var. paniculata, Fries, Herb. Norm., is perhaps the same, or a form connecting it with S. longifolia, but his S. alpestris var. alijlora is S. borealis. 71 and 76. S. longipes, Gioldie. 72. S. bokealis, Bigel., except the depauperate young specimens intermixed, which are the same as 70. 78. S. Jamesii, Torr. 74. Mcehrixgia lateriflora, Fenzl. 75. Cerastium arvense, L., mixed with C. vulgatum? var. Behringianum, or at pi- nion, just as was Parry's No. 138 last year. (SO. See under Scrophulariacete.) PORTULACACEiE. 81. Talinum parviflorum, Nutt., or perhaps teretifolium, as the specimens are only in fruit. 82. Claytonia Virginica, L., from the alpine region. 83. C. arctica? var. megarhiza, Gray, Enum. PL Parry (C. megarrhiza, Parry) ; specimens smaller than last year. 84. Claytonia Chamissonis, Esch. ( C. aquatica, Nutt.); more luxuriant than the plant of Unalaschka, but other- wise similar : petals rose-color. (Dr. Parry again collected Talinum: pygm.eum, Gray, his No. 143.) MALVACEJE. 85. Sidalcea Candida, Gray. Cold springs, &c, on Blue River. f 86. Mal- vastrum coccineum, Gray. LINACE.E. 87. LlNUM PERENNE, L. GERANIACEiE. 88. Geranium Richardsonii, F. & M., the same as 112 of Parry. 89. G. Fremontii, Torr., var. Parryi, Engelm., the same as Parry's 113, the fruiting pedicels divaricate ! RHAMNACE^E. 90. Ceanotjius Fendleri, Gray. 91. C. ovatus, Desf. CELASTRACEiE. 92. Pachystima Myrsinites, Raf. SAPINDACE.E (ACERACEiE.) 93. Acer glabrum, Torr., the ordinary form of the species. LEGUMINOSiE. 94. Lupinus pusillus, Pursh. 95. L. oknatus, Dough: " abundant at low and middle elevations." Very ornamental. 96. L cjespitosus, Nutt., pro- bably a form of L. aridas, Dougl. The keel is slightly ciliate. It was foun I "on Blue River, west of the range." 97. Trifolium dasyphyllum, Torr. and Gr. Still finer and larger specimens than last year. 98. T. Parryi, Gray, Enum. PL Parry. : 99. T. nanum, Torr. 100. Dalea laxiflora, Pursh. * Dr. Parry also separately collected it, in fine ft-uiting specimens, iu subalpine woods, on Mad Creek, Ac, No. 431. f This rare, species was separately collected in Middle Park, by Dr. Parry. It is his No. 429. Sidalcea. malv^eflora. Gray. (IS. JS'co-Mexicana, Gray,) Parry's 430, was collected whh the last. J Trifolium lojigipss, Natt. Sparingly collected by Dr. Parry in Middle Park, and distributed as his No. 434. 1863.] 60 PROCEEDINGS OF THE ACADEMY OP 101. PSORALEA LANCEOLATA, Pursh. 102. P. FLORIBUNDA, Nutt. 103. P. ARGO- phylla, Pursh. 104. Daleaalopecuroides, Willil. 105. Petalostemonmacro- stachyus, Torr. 10(3. Astragalus Kentrophyta (Kentrophyta montana, Nutt.) 107. Thermopsis rhombifolia, Nutt. (the smaller plant and the fruit), aud ap- parently T. fabacea, var. montana, Gray ( T. montana, Nutt.) : the latter should he known hy its taller stems, larger leaflets, and narrow, linear, pubescent, erect legumes. 10S. Hosackia Purshiana, Benth. 109. Lathybus ornatus, Nutt., and a pubescent variety. 110. L. linearis, Nutt. 111. L. polymorphs, Nutt. 112. L. palustkis, var. myrtifolius? a small portion, and mainly VlClA AMERICANA, Muhl. 113. ASTRAGALUS RACEMOSUS, Pursh. 114. A. (Phaca, Hook.) bisulcatus, Gray ; in fruit. 130. Same in flower. 115. A. (Phaca, Hook.) nigrescexs, Gray. 116. A. (Phaca, Hook.) glabriusculus, var. major, foliolis anguste oblongis. Very likely, as Hooker conjectured, a form of A. aboriginum. A narrow, membranous, rudimentary false septum is borne on the dorsal suture, in the manner of A. Robbinsii and A. alpinus, to which, indeed, the species is related. It was collected in the mountains, "at middle elevation ; not common." 117. A. oroboides, Hornem. (Phaca elegans, Hook.) " Along the bank of streams, at middle elevations, and subal- pine." V^ry fine specimens, both in flower and in fruit ; the former with linear leaflets, like the original P. elegans ; the latter with broader and glabrate leaflets, just like Bourgeau's specimens from the Saskatchawan. 118. A. flexuosus, Dougl. (Phaca flexuosa and P. elongata, Hook.) Legumes straight or slightly curved. " Low mountains and plains ; common." 119. A. gracilis, Nutt. With the last. 121. A. near Phaca deb His, Nutt., but larger in all its parts. To be determined hereafter in a general revision of the species.* 122. A. mollissimus, Torr., of which the stipules were wrongly described, a form with silvery instead of yellowish pubescence. Fine specimens, same as Par- ry's 184, doubtfully compared with A. glareosus, still without fruit. "On the plains ; scarce." 123. A. Parryi, Gray ; now collected with ripe legumes, which are so obcompressed and sulcate both sides that the sutures meet. " Common both on the low mountains and subalpine.'' 124. A. Drummondii, Hook. 125. A. alpinus, L. " From middle elevations to truly alpine." 126. A. cyaneus, Gray, PI. Fendl. Specimens more luxuriant than Fendler's ; the leaflets oval, half to two-thirds of an inch long, and young pods nearly two inches long. This is likely to be A. Shortiamis, Nutt., of which I have seen no specimens ; but the flowers are deep blue. " Low mountains, and rarely subalpine; a fine species." 127. A. Missouriensis, Nutt. 128. A. sparsi- florus, n. sp., to be elsewhere characterized in a revision of the North Amer- ican species. " On low mountains ; rare." 129. Perhaps a variety of the last, with more numerous flowers and larger legumes. 141. A. (Phaca) pau- ciflorus, Hook. ? A glabrate, slender form, the same as Phaca pauciflora, Nutt. " South Park, common, apparently a good forage plant." (Fendler's, No. 144 is the same.) 130. A. (Phaca) bisulcatus, Gray, in flower. 131. A. (Phaca) lotiflorus, Hook., very fine specimens in flower and fruit. 132. (fruit) & 133. (fl.) A. caryocarpus, Ker. 134. A. (Phaca, Hook.,) pectinatus, Gray. 136. A. btriatus, Nutt. ! 137. A. (Phaca, L.) frigidus, with perfectly glabrous legumes, as in other American specimens. " Subalpine, in wet pine-woods." 138. A. (Phaca) filifolius, Gray, in Pacif. R. R. Exped. Phaca longifolia, Nutt. 139. A. Hypoglottis, L. 145. A. (Orophaca) sericoleucus, Gray (Phaca seri- cea, Nutt.) ; charming specimens of an interesting plant. 142. Homalobus decumbens, Nutt. Also 435 of Parry, very sparingly collected. Its name as an Astragalus can be settled only upon a revision of the species. 120. (and 433 of Parry,) Oxytropis deflexa, DC. 135. O. splendens, Dougl. ; worthy of the name. 140. O. Lamberti, Pursh, with purple or blue, and with white * The name Astragalus debib's could properly be retained for Phaca debilis of Nuttall. For there is no A. dehilis of Douglas; that so given in Walp. Repert. 1, p. 710, being an accidental error for A. miser, Dougl. [Mar. NATURAL SCIENCES OF PHILADELPHIA. 61 flowers; "very ornamental and 'very variable." 143. 0. arctica, R. Br. "High alpine." 144. 0. multiceps, Nutt. in Torr. and Gray, Fl. (Physo- calyx multiceps, Nutt. in herb. Acad. ) " Subalpine and lower." This is Dr. Parry's No. 191, which I wrongly referred to 0. nana, Nutt. The plant is more dwarf and the leaflets much smaller than in Nuttall's specimens, which are in fruit only, while ours, last year in blossom only, now show the young fruit in the bladdery calyx. It is a very pretty plant. 146. Sophoea sericea, Pursh. 147. Glycyrrhiza lepidota, Nutt. ROSACEJE. 14S. Prunus (Cerasus) Pennsylvania, L. 149. Spiraea dumosa, Nutt. 150. S. opclifolia, L., var. parvifolia. 151. Sibbaldia procumbens, L. 152. Geuji (Sieversia) triflorum, Pursh. 156. G. (Sieversia) Rossii, Ser. 153. Dryas octopetala, L. 154. Potentilla fissa, Nutt. 155. P. frdticosa, L. 157. P. concinna, R. Br. 15S. P. Pexnsylvanica, L., var. Hippiana, Torr. and Gray. 159. P. fastigiata, Nutt. ? which specimens of Parry's, in 1S61, (with 217) ally to large states of P. nivea. (Aglabrate specimen intermixed, is the same as Parry's 218, P. Drummondii, &c, Lehm.) 160. P. nivea, L., a form with the leaflets more deeply incised than in 215 of Parry. 161. P. Plat- tensis, Nutt. ? the leaves more dissected, so as to be almost bipinnately parted ; th same as a plant of Bourgeau's collection, from the Saskatchawan. "Com- mon in wet ground ; spreading." 162. P. Pennsylvania, L., var. strigosa, Pursh, with some of the coarser No. 15S, perhaps accidentally mixed. 163. Rubus deliciosus, James ; the same as Parry's 210, with large white petals. This will be very ornamental in cultivation. 164. Rubus triflorus, Richards., in fruit. 165. Cekcocarpus parvifolius, Nutt.* 462. Cham;erhodos erecta, Bunge. ONAGRACEJS. 166. Epilobium palcstre, L. 167. E. alpinum, L. 168. E. paniculate^, Nutt. 169. E. latifolium, L. 170. E. angustifolium, L. 171. Gayophytum bacemosum, Torr. and Gray, with a specimen of 168 intermixed in my set. 172. G. eajiosissiiiusi, Torr. and Gray ; the var. deflexum, Hook., in Lond. Jour. Bot., 6, p. 224, where the names of the two varieties are transposed. 173. Oenothera marginata, Nutt. 174. G3. Missoueiensis, Sims. 175. (E. triloba, Nutt. 176. (E. Ndttallii, Torr. and Gray, (Taraxia longiflora and breviflora, Nutt., the specimens belonging to the latter form), South Park. 177. (E. pinnatifida, Nutt. (see Parry, Enum.,p. 40 (333), the hirsute speci- men,, which is just Parry's 116, and a canescently puberulent specimen, which, from its obcordate petals, should also be of this species, but not in fruit. 178. G3. coronopifolia, Torr. and Gray, exactly No. 222 of Fendler's collection. 179. 03. serrulata, Nutt. 180 (and 436 of Parry). Gaura parvifloea, Dougl. 181. Gaura coccinea, Nutt. 1S2. Hippqius vulgaris, L. LOASACE.cE. 569. Mentzelia (Bartonia) nuda, Torr. & Gray. 570. M. (Bartonia) mul- tiflora, Nutt. ; the form with cylindrical capsules. 571. M. albicaulis, Dougl., (Parry's 126,) and some M. oligosperma, Nutt. CACTACEiE. 1S3. Opfntia Missouriensis, DC, with a red flower also in my set, proba- bly of 0. rutila, Nutt. GROSSULARIACE.E. 184. R. lacustrk, Poir, var. CR- setosum, Dougl.) 185. R. Leptanthum, Gray, PI. Fendl. 186. R. cereum, Dougl. 187. R. hirtelluh, Michx. 188. R. aureum, Pursh. *Purshia tridextata, DC, is No. 4S2 of Dr. Parry's separate collection, from Middle Park. 1863.] 62 PROCEEDINGS OF THE ACADEMY OF CRASSULACEiE. IS?. Sedcm snoDANTHUM, Gray, Enuin. PI. Parry. In fruit ; the inflores- cence a dense spike-like thyrsus, oblong. 190. S. stenopetalum, Pursb. 191. S. Rhodiola, L. (192. See Borraginacese.) SAXIFRAGACEiE. 193. Saxifeaga nivalis, var. ? An undeveloped specimen of this, in Parry's collection of 1851, was referred to S. hieracifolia? But the well-developed specimens appear to pass into the large state of the next. The limits between S. nil-oil's, Virginiensis and intecirifolia are not obvious. 194. S. nivalis, L., one form the same as Parry's 169; the other has a scape nine inches high, bearing several peduncled erect flower-clusters in a racemose manner, just as in 193, from which it differs in its shorter and smaller, more-toothed leaves. 195. S. ceenua, L. 196. S. conteoversa, Sternb., referred by several authors to S. adsceridenft, L. Alpine region ; before found in America only by Bourgeau, in the Rocky Mountains further north ; known in Northern Asia. 197. S. beonchialis, L. 198. S. debilis, Engelm. n. sp.* "Alpine." 199. S. sek- ptllifolia, Pursh ; but probably only a high alpine, very dwarf and tufted variety of S. Hirculus, L., this being the view taken of it in the Enumeration of Parry's collection of 1861, No. 164. The characters hold out in the present collection. 201. S. Hiectlus, L., in the ordinary form, as different from 19& as possible. " South Park, in wet or swampy places." 200. S. flagellaeis, Willd. (202. See under Primulacea?.) 203. S. Jamesii, Torr., from the origi- nal stations. A most rare and peculiar species. 207. S. punctata, L. (S. (Bstivalis, Fisch.) 204. Hefchera parvifolia, Nutt, the large form, viz.: Parry's 174, with some specimens passing to Parry's 173, the small form. 205. Heucheea bracteata,! Seringe (Tiarella? bracteata, Torr.,) the same as Parry's 172, mixed with a large-flowered, apparently new species, H. Hallii.J Rocks, on mountains of medium elevation. 206. Lithophragma parvifolia, Nutt. 208. Mitella fentandea, Hook. ; in fruit. 576. Chrysosplenium alteenifolium, L. 568. Jamesia Americana, Torr. & Gray. (209. See Eu- phorbiaeese.) UMBELLIFER^I. 210. Cymopterus glomeratus, DC. A plant rarely collected, but said to be very common on the plains, along with the next. 211. C. montanus, Nutt. 213. C. alpinus, Gray, Enum. PI. Parry, p. 19 (408,) No. 158; with good fruit as well as flowers. 212. Peijcedanum nudicaule, Nutt. ? at least the plant so named in Hayden's collection on the Manvaises Terres of Nebraska ; but the plant is minutely pruinose-pnbescent, not glabrous, nor is the fruit truly that of a Peuredanum, the marginal wings being double, nor from the description can it be the original Smyrnium nudicaule of Pursh. It must re- * This was mixed with No. 167 (S. cernua, L.) of Dr. Parry's collection in 1861, but very spa- ringly distributed. It has a granulate root, so called, and the foliage much as in S. Sibirica, but is perfectly glabrous throughout, and with the obconical tube of the calyx wholly adnate to the ovary. As it is manifestly related to S. rivularis (though quite distinct), I suppose it may bo the ' S. Cymbalaria, vel. n. sp.," or the species compared with Sibirica, of Chamisso in Liunrea. 6, p. 555, which in the Flora Rossica are doubtfully referred to pito- sum, Nutt. ; a strict form, near the var. grandiflorum,ot which E. caimm, Gray, PL Fendl., is evidently a form. " Common on low mountains." 245. E. pumilum, Nutt. 24G. E. Bellidiastrum, Nutt. 247. Solidago lanceolata, L. 248. S. nemoralis, L. ; a dwarf, subalpine form, passing to S. nana, Nutt. 249. S. Missouriensis, Nutt. ; a dwarf form. 250. S. Virga-aurea, L. ; two forms. 251. S. Virga-aurea, var. multi- radiata, Torr. and Gray. Dr. Parry collected one specimen of 5. humilis on Clear Creek. 241. As'ier salsugixosus, Richards. "Subalpine." This is also 403 of Dr. Parry's separate collection. 242. A. glacialis, Nutt. " In the high alpine region." 252. A. adscexdexs, Lindl., var. ciliatifolius, Torr. and Gray, (which is also 419 of Parry,*) and the var. Fremontii, Torr. & Gray, Fl. Suppl. 253. Various forms of the last, "alpine and subalpine, in low grounds," the larger ones (same as Parry's 417) passing towards A. integrifolius, Nutt., but the involucre not manifestly glandular. All the peculiar Asters of the Rocky Mountains and westward require complete re-elaboration. 254. (also 418 of Parry,) A., near the smooth form of ericoides, L., and probably a va- riety of it, but with laxer and narrower scales to the involucre. The rays are pinkish, as they sometimes are in the eastern plant. " In the mountains, at middle elevations." 255. Aplopappus inuloides, Torr. and Gray. Subalpine, in the South Park. 256. A. (Stenotus) pygWus, Gray, Enum., PI. Parry, mixed with specimens of an equally dwarf new species, which Dr. Lyall collected, in 1860, on the summits of the eastern side of the Cascade Mountains, at 7500 hundred feet above the sea. It should therefore be named A. Lyalli.| Both high alpine. * Aster (Orthomeris) gi.aucus, Torr. and Gray, not in the general collection, is again in Parry's sc iarate collection (No. 13). in the finest state. . A. Fendleri, Gray, PI. Fendl. (perhaps a hispid form of A. Xutlallii,) was sparingly collected on sand hills, on the plains, but not distributed. fApLOPArpus Lyalli (sp. nov.): nanus, undique pruinoso-glandulosus ; caulibus J-o-pollican- 1ms foliosis monocephalis ; foliis integerrimis submembranaceis sajpius mucrunatis, radicalisms in- ferioribusque oblongo-spathulatis sea oblaneeolatis liasi attenuatis, summis lanceolatis; nivolucri squamis laxe imbricatis subtiiseriatis lanceolatis subsequilongis glandulnso-pubens; ligulis 16-1.0 linearibus loiigiusculis: actaenjis linearibus fere glaberriinis ; pappi albi setis ngidulis corollara disci sequantibus. Furuia a. (Lyalli) ; invoiucri squamis omnibus lanceolatis sensim acuimnatis, [Mar. NATURAL SCIENCES OP PHILADELPHIA. 05 257. A. (Pyrrocoma) croceus, n. sp.* Subalpine, in the Middle Park, &c, west of the Rocky Mountain range. 258. A. (Pyrrocoma) Fremontii. Pyrro- coma fuliosa, Gray in Jour. Bost. Nat. Hist. Soc, 5, 1843. Low mountains, lat. 39 3 . There is a Chilian A.foliosus; wherefore, in suppressing Pyrrocoma as a genus, the name of this most rare and well-marked species may very properly commemorate the discoverer. 259. A. (Pyrrocoma) Parryi, Gray, Enuin. PI. Parry. 260. Chrysopsis villosa, Nutt., with the dwarf variety, C kispida. 261. Iva axillaris, Pursh; a broad-leaved form. 262. I. ciliata, Willd. 263. Ecriin >sv.\e (Cyclachjexa) xantiiiifolia, Gray. 264. Franseria tomen- tosa, Gray, PI. Feudl. 265. F. Hookeriana, Nutt. 266. Lepachys columnaris, Torr. & Gr. 267. Gaillardia aristata, Pursh. 26S. Helianthella unifloea, Torr. and Gr. Fine specimens. The aoheniaare ciliate with very long hairs ; the awns are long, slender and persistent.! 269. Helianthus pumilus, Nutt.? Parry's No. 50. 270. H. petiolaris, Nutt. 271. (& 420 of Parry.) Heliomeeismultiflora, Nutt. ; the broader-leaved form. 272. Helenium Hoopesii, n. sp., a most striking species, seeds of which were collected near Pike's Peak in the autumn of 1859, by Mr. Thomas Hoopes, from which plants were raised by Mr. Halliday Jackson, of Westchester, Pa.f 273. Actinella grandiflora, Torr. and Gr. ; equally fine specimens as those of last year. 274. Actinella Richardsoxii, Torr. and Gr. 275. A. scaposa, Nutt. var. {A. glabra, Nutt.) 276, 277. A. acaulis, Nutt., in different forms. 278. Bahia oppositifolia, Torr. and Gr. 279. Thelesperma (Cosmidium) gracile, Gray. 280. T. filifoliuji, Gray. 281. Villaxova chrysanthemoides, Gray. 282! Hymenopappus tenuifolids, Pursh. 283. Ch.enactis achille^folia, Hook. Arn. ; a low form from the alpine region. 284. C. achillea;folia, var. exterioribus paullo brevioribus; foliia parvulis, caulinis superioribus gradatim minoribus (6-3 lia. longis) acutioribus. /3. II alli: involucri squamis plerisque latioribus, extimis oblongo-lme- Biibus diSL-um ada?quantibus ; foliis etiam caulinis magis spathulatis, summis pollicaribtis capi- tulum adrequautibus, radicalibus bipollioaribus. Head half an inch long and wide. Ligules ex- serted, 3 or i lines long. Appendages of the style in the disk-flowers oblong-lanceolate. Ovaries in Hall and Harbour's plant sparsely beset with a few slender hairs ; in Dr. Lyall's glabrous. * Aplopappus (Pyrrocoma) croceus (sp. nov.); caule ultrapedali parce foliate tnonocephalo pi'iaium launso : foliis coriaceis glabris integerrimis haud eximie reticulars, radicalibus oblongo- lauceolatis (cum petiolo pedalibus), caulinis lanceolatis oblongisve basi semi-amplexicaulibus; capitulo nuilo inaximo; involucri hemisphaerici squamis ovalibus obtuslssimis muticis, interioribus margine subscarioso-erosis; ligulis 50 et ultra longe exsertis supra croceis; ovariis breviusculis glaberrimis ; pappo albido corollam disci adajquante. Allied to Pyrrocoma radiata, Nutt., which, however, is probably not distinct from Aplopappus (Pyrrocoma, Hook.) carthamoides. But the leaves are less coriaceous and reticulated ; the head naked, peduncled, and I believe nodding ; invo- lucre au inch in diameter; the long exserted rays nearly an inch in length; the ovaries far shorter, and the pappus white. But I have this only in flower, and P. radiata in fruit. t The following, apparently quite distinct, new species of this genus, was sparingly collected by Dr. Parry in Middle Bark, near the foot of Bike's Peak. I have also received a specimen from Mr. Hall. It is distinguished by its small leaves and heads, thin and scarious chaff, and the awnless achenia crowned with hyaline squamellse, which are resolved into a villous fringe that equals the proper tube of the corolla in length. Heliantiiella Parryi (sp. nov,): pedalis, hirsuta; foliis triplinerviis lanceolatis vol radicalibus spathulatis, caulinis superioribus sublinearibus 1- 2-pollicaribus ; capitulis 2-3 parvulis brevissime pednnculatis; receptaculi paleis tenui-scariosis apice truueato barbulatis; ovariis oblongis (exteri- oribus saspius promisee, interioribus superne parce villoso-ciliatis) exaristatis ; paleis pappi circ. 4 latis tenuissime hyalinis in villum tubum proprium corollas adaequantem solutis. Involucre only half an inch long; disk half an inch in breadth : ligules 7 to 9 lines long. X Helenium Hoopesii (sp. nov.): caule valido tomentuloso sesqui-bipedali oligocephalo ; foliis glauco-pallidis crassiusculis punctatis mox glabratis subnervatis integerrimis, radicalibus lanceo/- lato-spathulatis in petioluni brevem alatum angustatis. caulinis oblongo-lanceolatissenii-amplexi- caulibus ; pedunculis sursum incrassatis; capitulis pro genere maximis : involucri squamis lanceo- latis seu linearibus ; receptaculo subgloboso ; ligulis 20-25 linean-cuneatis (pollicaribus) cum disco aurantiacis; pappi paleis lanceolato-subulatis enerviis corolla disci paullo brevioribus achenium sericeo-villosum wquantibus. " South Bark and west of Bike's Beak." Radical leaves to 11 inches long, tapering into a petiole-like base or flat and winged petiole : the cauline ones successively shorter and more dilated at the base, the uppermost 1J to 2 inches long. Disk in the wild specimens an inch in diameter, and the numerous orange-yellow rays an inch long. Baleae of the pappus tapering to a sharp point, but not awned. This species is one of those which go to fill the interval between Helenium and Actinella, but is clearly of the former genus. 1SC3.] 66 PROCEEDINGS OP THE ACADEMY OF Douglasii, ( C. Douglasii, Hook, and Am.) 352. Palafoxia Hookeriana, Torr. and Gray, with smaller heads. 285. Mach.ekanthera tanacetifolia, Nees, (Dieteria coronopifnlia, Nutt.) 286. Grindelia squarrosa, Dunal, with larger and with smaller heads. 287. (and 425 of Parry,) Aplopappcs rpbiginosus, Torr. and Gr. 288. A. spixuloscs, DC. 289. ToWNSENDIA GRANDIFLORA, Nutt. 290. T. SERICEA, Hook. 291. Aster (Oxytripolium) angustcs, Torr. and Gr. ( Tripolium angustum and T. frondosum, Nutt.) 292. Linosyris (Chrysothamnus) graveolens, Torr. and Gr. ; the form with small heads, and acute and viscid scales of the involucre. It occurs, much better developed, in Parry's separate collection, No. 415.* 293 (and 413 of Parry,) L. (Chrysothamnds) Parryi, n. sp.f A very distinct species, which is said to abound in the Middle Park, South Park, and all that district; the wonder is that it has not been detected before. The spici- form or racemose and leafy inflorescence, and the large heads with lax and taper-pointed scales, are characteristic. 295. L. (Chrysotkamnus) viscidi- flora, Torr. and Gr. ; the variety with broadish and hispidnlous-ciliate leaves (L. serrulata, Torr.) ; again collected also by Dr. Parry, under his number 49. 294 (and 426 of Parry,) Guttierezia Euthamije, Torr. & Gr. 296. Macronema discoidea, Nutt. " Blue River, west of the Rocky Mountain range." An interesting rediscovery of a very rare plant. 297. Pectis (Pectidopsis, DC) akgustifolia, Torr. Gravelly banks of streams. 298. Artemisia arctica, Less. (A. Norvegica, Fries) ; a more hairy form, the same as Parry's 42, which I wrongly considered as a variety of A. Richardsoniana. " Strictly alpine." 299. A. scopulorum, n. sp.,t a " strictly alpine" species, allied to A. lanata, and to be compared with A. heterophylla, Bess., which, however, is placed in the section Abrotanum, while this plant has the woolly hairs of the receptacle as long as the flowers themselves, in which respect it also differs from the very similar A. Richardsoniana. 300. A. Cana- densis, Michx. 301. A glabrous form of the last, with small heads, too near A. caudata and some forms of the next. 302. A. dracunculoides, Pursh, var. brevifolia, and specimens with trifid leaves passing into 301. 303, 305, (also 411 and 412 of Parry). A. Ludoviciana, a form with small leaves, and also the var. gnaphalioides. 304. A. frigida, Willd. 306. A. tridextata, Nutt. " On the Blue River, west of the Rocky Mountain range." 307. A. filifolia, Torr. (308. See Chenopodiaceae.) * No. 414 of Parry's separate collection is a glabrate form of tbe same common species, of which only traces of the close and white down remain, and the leaves and heads are larger. t Linosyris (Chmsothamnus) ;Parryi (sp. nov.): fruticosa; ramis virgatis lanoso-dealbatis ; foliis linearibus fere glabris BUbvisccsis, floralibus conterniibus capitula in tbyrsum angustum congesta longe superantibus ; invi.lucro 10-15-floro cylindraceo panciscriali, squamis sublaxe imbricatis albidis lanceolatis, omnibus (exterioribus ssepius folioso- interioribus scarioso-) attenuato- acuminatis ; cordis tubo hirsutulo; acheniis linearibus cano-pubeseentibus. Leaves 2 to 3 inches long, 3-nerved, acute, plane, the larger ones 2 lines wide and tapering to the base. Thyrsus narrow, often almost simply racemose or spiciform, sometimes more compound and branchy. Heads about two-thirds of an inch long, foliose-bracteate; the bracts passing into the exterior and leafy- tipped scales of the involucre. Receptacle, styles, viscidity, aroma, Ac, as in Chrysothamnus generally. % Also No. 41 of Dr. Parry's separate collection of 1S62 (not of 1S61. which is A. borealis, a very different species.) Artemisia (Absinthium) scopulorum (sp. nov.): casspitosa: rhizomate repente: caulibus sim- plicissimis spithameeis: foliis albido-sericeis plerisque pinnati-3-5-sectis, eegmentis prajsertim radicalinm tiipartitis, lobis cum foliis summis linearibus angustis; capitulis pluribus vel paucis simplieiter racemoso-spicatis breviter pedicellatis erectis (lin. 2-3 latis), involucro hemisphserico. squamis ovalibus extus dorso villosis margine lato scarioso atro-fusco cinctis; lana receptaculi copiosa conllas superne longe pilosas adasquante. Var. monocephala ; caule 2-3-pollicari capitulo Bolitario majori terminato; foliis etiam radicalibus simplieiter tripartitis vel partim 5-partitis par- tim integerrimis linearibus. Stems sericeous-pubescent, sometimes glabrate below. Floral leaves or bracts filiform, linear, entire, the lower surpassing the head. Pedicels a line or a line and a half long, strictly erect. Flowers 30 or more, tipped with purplish. \ This is 410 of Tarry's separate collection, from Middle Park; and his 409, associated with th above, is A. cana, Pursh ; these two being the Wild Sage of Lewis and Clarke. [Mar. NATURAL SCIENCES OF PHILADELPHIA. 67 309. Antennaria Carpatiiica, var. pulcherrima, Hook. A remarkable and leafy-stemmed form.* 310. A. dioica, Gsertn., and A. alpina (female, 1-3- cephalous), mixed. Good specimens of A. alpina were separately collected on Mount Flora by Dr. Parry, No. 422. 311. Gnaphalium strictum, Gray in Bot. Whippl., Exped. Pacif. R. R. Surv. 4, p. (54) 110; a less strict and many- stemmed form. "Wet places in the mountains." 312. G. decurrens, Ives. " Subalpine ; rare." 313 (and 423 of Parry). Brickellia grandiflora, Nutt., var. minor : foliis profundius cordatis capitulisque minoribus ; involucri squainis aeutioribus. 314. Nardosmia sagittata, Hook., var. with very obtuse leaves, connecting with. If. frigida. " Near Pike's Peak." 315. Liatris punctata, Hook. 316. Senecio lugens, Richards., a typical form, and others belonging to S. fastigiatus and S. exaltatus, Nutt., but dwarf. "A common and variable species, at all heights and in all situations, flowering from June to September." 32b*. A dwarf form of the same, nearly Parry's 21, and just Fendler's 477. 325. S. lugens, the downy state, same as Parry's 23, one of the forms of S. exaltatus, Nutt. 317. S. amplectens, Gray, Enum. PI. Parry, p. 11, No. 56, a species which, considering the various forms under which it now occurs, was not very well named. A new specific character is appended.! It is a sub- alpine and alpine species. 318. S. integerrimus, Nutt. A low form; "alpine." 319. S. Solda- nella, n. sp.J "High alpine, among rocks ; heads generally single." They are solitary in all the specimens I have seen. 320. S. cernuus, Gray, Enum. PL Parry, No. 52. " A common species at middle and subalpine elevations." 321. S. Bigelowii, var. Hallii.\\ "Subalpine; heads very drooping, ray less." 322. S. Fremontii, Torr. and Gr. " Alpine ;" a well-marked species. Recently collected by Dr. Lyall on the summit of the Rocky Mountains, in lat. 49. ^ 323. S. triangularis, Hook., with shorter and finer teeth to the leaves, the * Antennaria margaritacea, Pi. Br., var. sithalpina: caule spithamseo ad subpedalem simpli- cissimo, corymbo congesto fere capitate A singular, nearly alpine form, collected only by Dr. Parry, No. 421. f Senecio amplectens (Gray, 1. c.) : lana fioccosa mox decidua glabratus ; caule semi-sesquipedali e radice perenni apice nudo 1-3-cephalo; foliis membranaceis oblongis lingulatisve aut repando aut argutissime dentatis nunc sublaciniatis, imis basi ansrustatis vel in petiolum alatum attemiatis, superioribus sessilibus basi (nunc lata) semiamplexicaulibus; capitulis in pedunculo gracili nutantibus ; involucro calyculato Iaxo ; ligulis linearibus elongatis (1-2-pollicaribus) aureis; acheniis glaberrimis. Var. taraxacoides (S. Fremontii, \a.r.1 Gray, PI. Parry, p. 9, No. 28): vere alpinus, 4-5-polli- caris, monoeephalus ; capitulo minori minus nutante (ligulis semi-subpollicaribus) : foliis omnibus basi attemiatis pi. m. laciniatis. In the high and bare alpine region. This, judging from interme- diate forms in Hall and Harbour's collection, must be regarded as a depauperate, alpine variety of S. amplectens. Br. Parry gathered only two or three specimens, like those of the former year. J Senecio Soldanei.la (sp. nov.) : subcaulescens, nanus, glaberrimus, subglaucus, fere semper monoeephalus: radice fasciculato-fibrosa ; foliis crassis subtus purpureotinctis, radicalibus imisque orbiculalis nunc subreniformibus nunc basi trinervata in petiolum longuni seu longissimum pla- num contractis srepius denticulatis (circiter pollicem diametro), superioribus 1-2 minoribus oblongis spathulatisve petiolo brevi dilatato ; capitulo magno (8-9 lin. lougo etlato); involucro e squamis laneeolatis scarioso-margiuatis 1G-20 cum exterioribus 7-9 angustioribus immarginatis laxioribus vel paullo vel dimidio brevioribus; ligulis oblongis 16-18 (flavis circiter 4 lin. longis) discum vix superantibus ; acheniis glaberrimis. " On Gray's Peak," Br. Parry, who complimented the describer by naming this handsome and most distinct species, S. Grayi; but the S. Grvji, Hook., f. of New Zealand forbids this. (J In Middle Park, Br. Parry gathered one or two specimens of what appears to be S. hydro- philus, Nutt. ' |i Senecio Bigelowii, (Gray in Bot. Whippl. Exped. Pacif. R. R. Surv. 4, p. (55) 111), var. HaMi: foliis fere omnibus laneeolatis cum caule pilis articulatis pubescentibus (demum glabratis), caulinis omnibus sessilibus imisve in petiolum alatum contractis. S. megacephalus, Nutt., thus far found only by Nuttall, has a similar pubescence, but more of it, and also on the involucre ; the scales of the latter are narrower, the heads are radiate and erect, and the plant is dwarf. % Senecio Fremontii, (Torr. & Gray, Fl. 2, p. 445) : totus glaber; caule simplici vel corymboso- ramoso usque ad apicem folioso (5-15-pollicari); foliis oblongis vel obovatospathulatis carnosu- lis plerisque Iaciniato-dentatis omnibus sessilibus, superioribus pollicaribus vel sesqui-pollicaribus, inferioribus decrescentibus, capitulis solitariis paucisve brevissime pedunculatis erectis; involucro campanulato (semipollieari) parce bracteato; ligulis 10-16 luteis; acheniis puberulis. 1863.] 68 PROCEEDINGS OP THE ACADEMY OF var. /?, Torr. and Gr. Fl., verging towards the next. 324. S. axdint.s, Nutt. ? from the locality (but the heads resemble those of the last, and are of equal size), or an undescribed species, if Nuttall's S. andinus is Hooker's 5. serra; intermediate between the latter and S. triangularis. Fremont collected a single specimen of it in his second expedition. 327. S. eremophilus, Richards. 328. S. longilobus, Benth., from the plains, with pinnately-parted leaves (Parry's No. 407) ; with a mountain form, having the leaves all entire and the heads narrow. The latter is the same as Parry's No. 406. The variations of S. filifolius, longilobus, spartioides and Riddellii, are now wholly inextricable. 330. S. canits, Hook., a form with large heads and the leaves all entire, the same as Parry's No. 20 ; " alpine and subalpine." 229. S. aureus var. al- pinus, Gray, Enum. PI. Parry, No. 63. This holds its character ; but the heads are sometimes as many as three in a corymb. Different from S. aureus as it appears, it is inseparably connected with it through the var. borealis. 313. S. aureus, var. alpinus, werneriwfolius,* very peculiar, truly alpine form, which would almost anywhere be regarded as a very distinct new species ; but I think it runs into the last and into Wright's 403, &c. These forms all teach that S. subundus, DC, and S. resedifolius, Less., will also pass into -S". aureus. Indeed, I know not where the species will stop. 332. S. aureus, L. ? var. croceus. Middle Park, &c. Both Dr. Parry (who has it as No. 405) and Mr. Hall note this as a form of the common S. aureus with copper-colored or saffron-colored flowers, and I cannot gainsay it, after reviewing a suite of speci- mens. Some of Hall and Harbour's specimens, except in the anomalous color of the flowers, very much resemble *?. aquaticus of the Old World. One form is discoid. 333. S. aureus, var. borealis and var. Balsamitce, Torr. and Gr.; glabrate or woolly, in various forms. "A common and very variable spe- cies, at all localities and heights, except strictly alpine. Some of the speci- mens are passing to S. Fendleri, Gray. 334. Arnica angustifolia, Vahl. ; broad-leaved forms of A. alpina, Brest. "A variable species, from the low middle to the alpine region, flowering early and late." 335. A. mollis, Hook. ; "alpine and subalpine." 336. A. cor- difolia, Hook., mixed with some A. latifolia, Bongard, (which Dr. Parry abundantly gathered in Berthouds Pass ; No. 408 of his collection) ; the lat- ter known by the sessile cauline leaves, the narrower heads, and the almost glabrous achenia. 337. A. Chamissoxis, Less. South Park, &c. Passes into leafy forms of A. angustifolia. 338. A. akgustifolia ? var. eradiata, or per- haps a distinct species. This is Parry's No. 10, resembling some rough-hirsute forms of A. angustifolia, approaching A. mollis, but the cauline leaves de- creasing upwards ; and the rayless character holds in the numerous specimens gathered in 1862: the achenia are glabrate, although the ovaries are pu- bescent. It can hardly be a form of the Californian A. discoidea ; but it needs farther comparison with that species.* 339. Cirsium acaule, All., var. Americanum. " Subalpine ; common in wet * Senecio aureus, L., var. (alpinus) wernerijefolius : multieipiti-cajspitosus, primum arach- noideus; foliis radicalibus confertis spathulato-oblanceolatis sen spathulato-Unearibus basi attenu- ates erectis coriaceis rigidis aveniis integerrimis marginibus sajpissime revolutis inox glabratis (cum petiolo 2-4-poll. longis 2-3 lin. latis); scapoaphyllo, (3-5-pollicari) bracteis paucis subulato- getaceis lana obvolutis instructo corymboso-3-5-cepbalo ; capitulis, etc., S. aurei. Tbe leaves may be likened to those of Wemeria or of Cutcitium longifolium or nivale. The following might be thought to be a form of this, or of Wright's 403; but, besides the small leaves, the achenia are papillose-hirsute, instead of perfectly glabrous. Senecio Thurberi (sp. nov.); caespitosus, cano-tomentulosus mox glabrescens; foliis plerisque radicalibus confertis angustissime linearibus basi sensim attenuatis (cum petiolo circiter pollicem longis) rigidulis integerrimis vel obsolete 2-3-dentatis marginibus quandoque revolutis; scapo spithamaso 3-5-cephalo foliis pci'iiaucis subulatis bracteisve instructo; capitulis fere S. aurei, sed acheniis crebre papilloso-hirtellis 1 S. canus, var. pygmseus, Gray, in Bot. Mex. Bound, p. 103. Santa Rita del Cobre, New Mexico, Prof. Thurber, Dr. J. M. Bigelow. t Tetrad ymia canescens, DC, the form with rather smaller heads and shorter leaves (T. inrr- mis, Nutt.), was collected in the Middle Tark by Dr. Parry, No. 416. [Mar. NATURAL SCIENCES OF PHILADELPHIA. 69 grounds." Stemless and polycephalous ; at least my specimen has four heads nearly sessile on the crown, of equal size with those of the European plant, with which the specimens very well agree, except that the exterior scales of the involucre are all tipped with a manifest spine. Some of the leaves are harely sinuate, as in the common Siberian variety ; others are nearly as deeply pinnatifid as in the European plant. 340. C. edule, Nutt. ? so named in Parry's former collection ; but very probably not that species. In the lack of certain original materials, and of a complete re-examination, I could not pretend to name the Thistles of the Rocky Mountains, Oregon, &c, and am not disposed to add to the existing confusion. 341. C. " a white-flowered spe- cies," between the last and C. fuliosum, (Hook.) DC, if Bourgeau's plant from the Saskatchawan is rightly named.* 343. C. Deummondii, Torr. and Gr. Caulescent and leafy-stemmed, the ex- terior flowers having a sparingly plumose pappus : certainly very near C. pumilum. 342. Echixais cablimudes, Cass., var. nutans, DC. "Mountains, at middle elevations, and subalpine ; and in fertile, open valleys of Middle Park, where it is very common, and certainly indigenous." Ihave a specimen of this collected by Mr. Samuels in California, which I had thought probably an introduced plant. But it would appear to be truly American as well as Asiatic. The specimens accord with Schrank's and with De Candolle's figures of the Caucasian and Himalayan plant, although, perhaps, the appendages of the involucral scales are a little more dilated. 344. Mulgedium pulchellum, Nutt. 345. Lygodesmia juxcea, Don. 346. Stephaxomeeia euxcixata, Nutt. 347. Lygodesmia juncea, var. ? rostra1a.\ "On the plains ; Sept. ; rare." 34S. Ceepis euxcixata, Torr. and Gr. 349. Hiebacium triste, . Willd. 350. H. albifloeum, Hook. "Subalpine, west of the range ; rare. "J 351. Nabalus eacejiosus, Hook. " South Park ; rare ;" a low form. 352. See above, p. 66. 353. Ceepis occidentals, Nutt. The same as Parry's 70, omitted accidentally. 354. Teoximum glai/cum, Nutt., var. foliis dilatatis laciniato-pinnatifidis, segmentis lanceolato-attenuatis. Evi- dently a form of Parry's 65. Mr. Hall notes that it "flowers in May and the early part of June, on low mountains," and must be different from the next, which flowers two months later in the same localities. 355. Maceoehyxchus teoximoide.s, Torr. and Gr. (Troximon aurantiacum, Hook.); in a great variety of forms, large and small, from a foot and a half to as many inches in height, with entire, toothed, or laciniate-pannatifid leaves ; the size of the heads equally variable, and with yellow, orange, chocolate-colored or purple corollas. " Very variable at all heights, even alpine ; flowers in July and August." The full suit of specimens show that to this clearly belongs Trox- imon parviflorum and T. roseum, Nntt., and Macrorhynchus purpureus, Gray, PI. Fendl. The fruit, when well developed, is rostrate, with a beak of about equal length with the body of the the achenium. 356. Teoximox glaucum, Nutt., var. dasycephalum, Torr. and Gr. ( T. taraxacifoiium, Nutt.) "High alpine; seemingly different from any of the above." It is also 424 of Parry's separate collection, from Berthoud's Pass. 357. Taeaxaccji moxtaxuji, Cirsium eriocephalum. sp. nov., will be tli p most appropriate name for the high-alpine Thistle which I mentioned in the Enumeration of Parry's collection, 1861, p. 9, as C.foliosum, Hook. ? It was again collected in 1S62, nearly in single specimens, both by Mr. Hall and Dr. Tarry. It is remarkable for the. heads of yellow 11 iwers being crowded into a < apitate cluster, as large as a man's fist, foliose-involucrate with very spinose bracts, and clothed with long and very soft, implexed, perhaps deciduous wool : the stem a foot or two in height, very leafy : the leaves linear, caneseent beneath, pinnatifid, the lobes very short and crowded, armed with slender spines. f Lygodesmia jbncea, Don., var. rostrata: aeheniis apice rustrato-attenuatis ; capitulis stepe 8-9-floris; foliis augustissime linearibus elongatis (in bisce specim. 3-4-poliicai ibus). Heads rather larger than is usual in L.juncea ; achenia half an inch long, the tapering apex directly con- tradicting the generic character "not contracted at the apex," as here they may tie said to be beaked. Dr. llaydi'ii collected the same form on the Laramie Mountains. Xhe'species all need to be de- fined anew. % To this belongs Parry's No. 71 of the 1SG2 collection. 70 PROCEEDINGS OF THE ACADEMY OF Nutt., a form of T. palustre, DC. "In the mountains, at middle elevations, in wet ground ; different from T. Densleonis, which was also met with, truly indigenous." (In the high alpine region were collected a few specimens of another form, viz. : of a very depauperate T. Icevigatum, DC.) CAMPANULACE^E. 35S. Campanula rotuxdifolia, L., an ordinary form. 359. C- Langsdokf- fiaka, Fischer ; excellent specimens of Parry's 266, exhibiting the same characters. It is said to be " very common in the subalpine region and lower, in wet ground." 360. C. uxiflora, L. " Pike's Peak ; high alpine. " 361. C. aparinoides, Pursh, a depauperate form. ERICACEAE. 362. Vaccinium myetillus, L. "Alpine and subalpine;" in flower and fruit, connecting the small-leaved form with the ordinary European plant. 363. V. CJBSPiTOSUM, Michx. 364. Arctostaphylos Uva-Uksi. Spreng. 365. GAULTnERiA Myrsimtes, Hook. 366. Pyrola secuxda, L. 367. P. rotunli- folia, L., var. uliginosa, Gray. 36S. P. ciilorantha, Swartz ; a small form. 369. P. (Moxeses) uxiflora, L. 370. Kalmia glauca, L., the very dwarf form from the " high alpine " region. 371. Pteeospora Asdromedea, Nutt. PLANTAGINACEiE. 372. Plantago eriopoda, Torr. (For the synonymy, see Proceed. Amer. Acad., 6, p. 55, note.) 373. Apparently the same species, with hardly any wool at the crown, which happens in other species. ' ' High alpine, near perpetual snow." 374. P. Patagoxica, Lam., var. gnaphalioides, Gray. PEIMULACE.E. 375. Axdrosace filifoemis, Eetz. " Subalpine; not rare."* 376. A. sep- textrionalis, L. "Below the subalpine region and also alpine."f 377. A. occidentalis, Nutt. " On the plains." 202. A. Cham^ejasme, L. (A. carinata, Torr.) High alpine on Pike's Peak, where Dr. James collected it. 378. Pri- mula farixosa, L., var. foliis sessilibus ; umbella capitata ; calyce cylindraceo tubuni corolke subasquante. P. dealbata, Engelm. in litt. But it exactly accords with the left-hand figure of P.farinosa, var. Magellanica of Hooker's Flora Antarctica (P. decipiens, Duby), and with my Antarctic specimens, ex- cept that the calyx is perhaps a little longer, and the corolla bluish-purple. Mr. Burke collected the same form on the ltocky Mountains farther north, but with the tube of the corolla a little exserted. Bourgeau collected specimens in the Saskatchawan district, having this elongated calyx-tube along with pedi- cels of ordinary length. It is interesting thus to connect the Antarctic with the northern forms, by specimens from the Piocky Mountains in about lat. 40. 379. P. Parryi, Gray, Enum. PI. Parry, No. 311. "Alpine and subalpine ; common." This holds its characters, except that the specimens of 1862 are generally less luxuriant, and the divisions of the corolla less bifid ; indeed, in some of those of Dr. Parry's later collection they are barely emarginate ; and in a few of thein the calyx is very little glandular, and its lobes are ovate- lanceolate. The longer pedicels of the umbel are li to 2 inches, or in fruit even 3 inches, in length. Capsule short-ovid, half an inch long, slightly shorter than the calyx-lobes. The thick root is said by Dr. Parry to be very * Androsa.cejiiliform.ig, Retz., a Siberian species, of which beautiful specimens are in the collec- tion, is now first recorded as ul the American flora. It has, however, long since been collected in tne Rocky Mountains by Fremont, iu his first expedition (in whose report it was wrongly named A. occidentalis, Nutt.); by Burke (ex. Herb. Hook.); and more recently by 11. Engcluiami, in whose collection it was mistaken lor A. septentrionalis. From the latter, beyond the characters assigned by authors, it is well distinguished by its almost hemispherical calyx, scarcely if at all angled, and with short and flat, not fohaceous teeth. f Dr. Farry'B 313 a of 1SC2, is the high alpine form of this. [Mar. NATURAL SCIENCES OP PHILADELPHIA. 71 i fragrant. Seeds of this handsome Primrose were copiously collected, from which we may hope to have the plant in cultivation. 3S0. P. angustifolia, Torr. 381. Dodecatheox Meadia, L., the same form as Parry's 312. 3S2. Lysimachia ciliata, L. " Mountains at medium height." 60 and 577. Glaux maritima, L., in flower and in fruit. LENTIBULARIACE^E. 5S0. Utricul aria vulgaris, L. ? Without flowers. In a subalpine lake. OROBANCHACEiE. 383. Aphyllon fasciculatusi, Torr. and Gray. SCROPHULARIACE2E. 384. Pextstemon glaber, Pursh ; same as Parry's 260. 3S5. P. acumi- natus, Dough, agreeing with Bentham's character "filamento sterili glabro, " which is very rarely the case, but a very narrow-leaved variety, just P. secundiflorus, Benth., excepting the glabrous sterile filament. " Mountains at low and middle elevations." 386. P. acuminatus, Dough, the ordinary form of the region (P. nitidus, Dough, P. Fendleri, Gray), Parry's 258. 390. P. acuminatum, Dough, in some sets the common broad-leaved form, in others a variety with still narrower leaves than Parry's 264, i. e., a form almost ex- actly passing into P. cccruleus, Nutt., the name which may probably have to be adopted for the combined species. "Plains; May." 3S7. P. uumilis, Nutt., taller than Parry's 257, much larger than Nuttall's specimen. "Low mountains, an early and pretty species." Dr. Lyall has recently collected it in lat. 49, at the elevation of 7000 feet. 388. P. Hallii, n. sp., described in "Revision of Genus Pentstemon," in Proceed. Amer. Acad. 6, p. 70, which memoir see for remarks on most of these Pentstemons. This is a most beau- tiful dwarf species, "not uncommon in the alpine region, descending into the subalpine," the rich blue purple flowers large for the size of the plant. Dr. Parry must have overlooked it in 1861 by confounding it with his 259 (P. glaber, var. alpiniis,) which, externally, it much resembles, but its affinities are with a different group. 389. P. albidus, Nutt. "Plains; flowers white." 391. P. confertus, Dough, var. purpureo-caruleus, Gray, Rev. Penst. (P. pro- cerus, Dough) A taller form of this, with large radical leaves, was sparingly gathered by Dr. Parry in the Middle Park. 392. P. glaucus, Graham ? var. stenosepalus, Gray, Rev. Penst. p. 70; the No. 262 of Parry. "South Park and Pike's Peak; alpine and subalpine." 393. P. c.espitosus, Nutt., Gray, Rev. 1. c, p. 66. "South Park, at middle elevations." "Near the Upper Platte, first found by Mr. J. Harbour." Parry. A neat and very dwarf spe- cies, named by Nuttall, but unpublished, having been confounded with P. pumilus. 394. P. pube.-cens, Soland., var. gracilis, Gray, 1. c. P. gracilis, Nutt. 395. P. barbatus, Nutt., var. Torreyi, Gray. 396. P. Harbourii, n. sp., Gray, Rev. Penst. p. 71. "Mount Breckenridge on Blue River, west of the main range, in the high alpine region near perpetual snow." A very distinct and dwarf species, named after its discoverer. 397. Chionophila Jamesii, Benth. High alpine, Pike's Peak, &c. Ripe seed having been collected, we may hope that this most rare and interesting plant may become known in cultivation. 398. Mimulus luteus, L.* 399. M. Jamesii, Torr., var. Fremontii, Benth.; apparently a form of M. glabratus, HBK. 400. M. floribuxdus, Dough 401. M. ritbellus, Gray in Bot. Mex. Bound, p. 116 : but the limb of the corolla apparently yellow. "Subalpine; scarce." The same plant occurs in Dr. Lyalhs collection on our northwestern boundary, from the Cascade * M. luteus, L. var. ai.pin'us ; caulibus 3-pollicaribus 6 basi ilecambente vel repcnte 1-3-floris; fyliis plensque sessilibus subinte^errimis. Alpine region, 135a cull. I'arry. 1862. Very glab- rous. Farther north, Dr. Lyall colluoted a similar, but pubiM'uIent and smaller-leaved variety. 1863.] 72 PROCEEDINGS OP THE ACADEMY OF i Mountains, 402. Collixsia farvifolra, Nutt. 80. Limosella aquatica, L. Apparently just the European plant. "Low mountains." (403, 404. See Polernoniace?e.) 405. Stnthtris flantaginea, Benth. Parry's 254, with a little P. alpina, Gray, Parry's 255.* 40G. Veronica serpyllifolia, L., an elongated form. 407. V. alpina, L. 40S. V. Americana, Schweinitz. 409. Castilleia beeviflora, Gray, Enum. PL Parry, No. 243, and p. (338) 45. Euchroma, Nutt. " Hi^h alpine." 410. C. Integra, Gray. 411. C. pal- lida, var. miniata, Kunth., Gray, 1. c, (often with laciniate leaves,) with a dwarf form of C. pallida having purple bracts, Parry's 239 t 412. C. pal- lida, the C. septentrionalis, Lindl. 4l3. Oiithocarpus luteus, Nutt. 414. Pedicularis racemosa, Benth. " Subalpine ; common in pine woods." 415. P. crenulata, Benth., in DC. Prodr. " Subalpine and alpine, South Park." This species was known only from very poor specimens col- lected by Fremont. These are good ones, but of a more dwarf and alpine form ; stems only 6 to 9 inches high, glabrate, except some decurrent lines of pubescence ; the leaves smaller and narrower. Corolla in the dried specimens of a deep violet-purple. 416. P. Canadensis, L. "In the moun- tains of middle elevation ; " not before known in this region. 417. P. brac- teosa, Benth. 418. P. procera, Gray, Enum. PL Parry, No. 252. 419. P. Grcenlandica, Retz. P. surrecta, Benth., varying from 4 to 16 inches high, and also in the length of the beak. 420. P. Parryi, Gray, PL Parry, No. 251. 421. P. Sudetica, Willd. var. Like the specimens of the preceding year; and Dr. Parry also collected a more dwarf state. "Flowers red." 422. Rhinaktuus Crista-galli, L., var. minor. LABIAT.E. 423. Hedeoma hispida, Pursh. 424. H. Drummondii, Benth. 425. Mentha Canadensis, L., var. glabrata. 426. Salvia trichostemoides, Pursh. Proba- bly a form of 5. lanceolata, for which Bentham takes it. 427. S. Pitcheri, Torr. 42s. Monarda aristata, Nutt. 429. Lopuanthcs anisatus, Benth. 430. DRAcocErHALrit paevifloeuji, Nutt. 431. Scutellaria resinosa, Torr. : pubescent and glabrate forms. 432. S. GALERicrLATA, L. BORRAGINAC2E. 433. Echinospeemcm Redowskii, Lehm., and a depauperate, diffuse or pro- cumbent form of Eritriciiicm Californicum, DC. 434. Erjtrichu'm crassi- sepalum, Torr. and Gr. ; the specimens hispid with rough, spreading hairs, and the aohenia granulate, and also a more upright and narrower-leaved species, with pointed and smooth achenia, the same as Fendler's 635, named by Torrey E. micranthum, sp. nov., and afterwards in my herbarium referred to E. angustifolium, Torr., which it hardly is. I think it is also Uryptanthus hispidus, Nutt., ined. 435. E. Jamesii, Torr. Very well marked by the smooth ami acute-angled achenia, the section of each just a quadrant of a circle. 436. Heliotlopium (Euplcca, Nutt.,) convolvllaceum, Gray. 192. H. Curassavicum, L. Doubtless indigenous. 437. Echino.-pekmum florj- bukdum, Lehm. 438. Eritrichu'M glomeeattm, DC. ; a fine virgateform, like Fairy's 288, and a form with shorter and more branched inflorescence. (439, see Hydrophyllacere.) 440. E. aretioides, DC. Beautiful specimens, like those of Parry's 278 in 1861 ; some of them Aretia-like, and only an inch high ; others with elongated flowering stems two inches high. While *The latter, again copiously collected by Dr. Parry, in the high alpine region, holds its charac- ters. (The leaves are sometimes rotund-ovate and manifestly cordate.) But a suae ; corollae lste ceeruleae limbo amplo. Hull an! Harbnir coll. 450; strictly alpine Var. 0. mei.li vm: floribus ia spicam laxioretn foliosum digestis nunc subpanieulatis odorem melliaspirantibus; c irolla ant eajrulea ant ssepius ochroleuca, lobis minoribus mbo productive ?-4-plo brevioribus. In crevices of rocks, wholly below the alpine region. Leaves exahng the musky odor of var. a; the flowers with a delicious honey- like fragrance. Hall and Harbour, coll. 451. In the present condition of the species of Polemonium, I could not venture to add another to the list, if the present were notshown, by the fine suite of specimens now collected, to be a most distinct one It is probably (at least in the var. a) the very handsomest of the genus; and, as ripe seeds were collecti-d, it may be brought into cultivation. I cannot doubt Ibattbetwo varieties are of one species. The ampler limbof thecorollaof var.a (when fully expanded Sometimes ten or eleven lines in diameter,) often renders the funnel-form tube less conspicuous; but this form passes by gradations into those of var. /3, in which the narrow tube of the Corolla (9 or 10 lines 1 nig) three or four times exceeds the smaller lobes. Indeed, this connects Po- lem mium as closely with Tpom opsis as the latter is eonne 'ted with true Gilii. A high alpine form of var.a was collected by Dr. Lyall in the Rocky Mountains farther north, lat. 49, at the height of 8000 feet, having the verticillate leaflets o| the species, but a less exserted corolla. It was taken for P. viscosum-, Nutt.; but the minute leaflets of the latter are not verticillate or fascicled although much crowded, and its calyx and corolla are quite different, allying it to P. pulchellum. I make small account of the ovules, finding them to vary widely in number in 1'ffeiuut (lowers of the same inflore- ence; but in var. a, I have counted a dozen in each eeli , in var. /3, usually only 4 to 6. The anthers are more oblong than in P. Cieruleum. Bewate of the change of shape which the effete anthers undergo: when dry, they are short-oval, when soaked they become elongated-oblong, as P. Richardsonii is figure 1 in Bot. Mag. In like manner those of P.'cxruUum change from rotund to short-oblong. 1863.] 6 74 PROCEEDINGS OF THE ACADEMY OF mens of P. pulcherrimum ; both of which, -with F. capitatum, etc, do seem to pass into Arctic forms of P. cceruleum. 453. Phlox Docglash, Hook. 454. P. humilis, Dougl. ? 455. P. Hoodii, Richardson. 403. Collomia gracilis, Dougl. 404. C. linearis, Nutt. 456. Gilia pinnatifida, Nutt. ined. 457. G. inconspicoa, Dougl. 458. G. longiflora, Benth. (Cantua longiflora, Torr.) 459. G. aggregata, Spreng. ( G. pulchella, Dougl.) With wbite as well as red flowers. 460. G. spicata, Nutt., in PI. Gamb. The same as 271 of Parry's collection. 461. G. congesta, Hook, var. ? with the leaves mostly entire. "Alpine." (462. Chamcerhodos erer.ta. See Rosacea?.) 463. Gilia (Lepto- dactylon) pungexs, Benth., from which G. Hooker i scarcely if at all differs. CONVOLVULACE^]. 464. Cuscuta arvensis, Beyrich, var. pentagona, Engelm., a form with a small calyx. 579. Evolvulus argenteus, Pursh. SOLANACEiE. 465. Solanum rostratum, Dun. 466. Physalis lobata, Torr., a form with the leaves little lobed; the corolla purple or blue. 467. Solanum triflorum, Nutt. GENTIANACE^. 468, 469. Gentiana affinis, Griseb. ;* the former a more condensed form ; the latter is 439 of Parry's separate collection. " Common in the subalpine region." 470. G. Parryi, Engelm. f, a form with narrower leaves than Dr. Parry's specimens of the preceding year. "Subalpine." 471. G. detonsa, Griseb., which Dr. Engelmann, with reason, reduces to a variety of G. crinita.% 472. G. fkigida, Hsenke, var. algida, Griseb.: most beautiful specimens of Parry's 305, so new to this country. 473. G. acuta, Michx.; iu various forms ; perhaps in some sets with a little of the too nearly related G. tenuis. 474. G. HUMiLis,Stev. 475. G. prostrata, var. Americana, Engelm. 476. Swer- tia perennis, L. 477. Pleurogyne rotata, Griseb. II "South Park, sub- alpine." 553. Frasera .speciosa, Dougl. ASCLEPIADEJE. 478. Asclepias brachystephana, Torr. ; a dwarf form of this rare species, collected on the plains. 479. A. speciosa, Torr. (A. Douglasii, Hook.) * Gentiana affinis, Gris. genuine, ; caule viresoente; bracteis calycem fere axjuantibus; calyiis lobis insequalibus tubum longiorem integrum sen vaiius spathacseo-fissum subrequantibus ; corolla anguste elavata pallide coerulescente. Gentiana affinis, var. brachycalyx: caule purpurascente ; bracteis florum superiorum brevia- simis; calycis tubo abbreviate truncato seu brevissime dentate lobatove ; corolla majore subven- tricosa azurea. This form has the appearance of a distinct species, but the characters taken from the calyx are variable; besides, Dr. Parry has bent specimens of it with a more distinctly lobed calyx. Other specimens collected by Mr. H. Engelmann, on Sweet Water River, have either an entire or a semispathaceous calyx, with lobes of different proportions ; his specimens show many ascendiDg stems growing from a large root, with numerous yellowish fleshy fibres. G. Engelmann. f Gentiana Pakrti, Eng., a narrow-leaved farm. Dr. Parry informs me- that the narrow-leaved varieties are often one-flowered, and their stems single, while the broader-leaved form (coll. Parry, 1861,No. 304) usually occurs in bunches ; the boat-shaped bracts, the small calyx lobes, and the bifid folds of the corolla are never wanting, and distinguish it readily from the allied G. calycosa. G. E. % Gentiana barbellata, Engelm. in Trans. Acad. St. Louis, 2, t. 11 (ined.). is Dr. Parry's 440, a truly alpine, dwarf and very beautiful species, closely related to G. crinita, ciliata, &c. \ On examination of a series of specimens, Dr. Engelmann is inclined to view G. tenuis, Griseb. as an extreme form of G. acuta, and also to adopt the conclusions of those who regard the latter as specifically identical with G. Amarella of the Old AVorld. He adds the following note. Gentiana acuta, Michx. Undoubtedly an American subspecies of 6. Amarella. Messrs. Hall and Harbour have sent a large suite of specimens, which, together with Dr. Parry's (1861, Nos. 307 and 309), show an extreme variability in size, manner of branching and arrangement of flowers, shape and size of leaves, proportion of calj'x, size and color of corolla and size of seeds. 67. Engel- mann. | Dr. Engelmann remarks upon this, 1st. That the ovules cover the whole surface of the ova- rian cavity; 2d. That the structure of the corolla is that of Swertia, the nectarian glands at the base of the segments of the corolla being surrounded by a petaloid funnel with fringed edges; so that the curious lateral stigma principally separates the genus from Swertia. [Mar. NATURAL SCIENCES OP PHILADELPHIA. 75 "On low mountains." 480. A. ovalifolia, Decaisne, Gray, Man., 1862, var. 481. A. verticillata, L., a common dwarf variety of the region, only three or four inches high. NYCTAGINACEiE. 482. Oxybaphps angustifolips, Sweet ; the same as Fendler's 745. 483. 0. nyctagineus, Sweet, with the upper leaves nearly sessile ; both glabrous and hirsute forms. 572. Abronia fragrans, Nutt. 573. A. cycloptera, Gray. CHENOPODIACEiE. 484. Obione argentea, Moq. The same as 574 of Wright, and 708 of Fend- ler. 485. Chenopodipm hybridpm, L. " Low mountains ; rare." 486. Mon- olepis Nuttalliana, Moq. (487. See Amarantacese. ) 488. Chenopodina depressa, perhaps also C. prostrata, Moq. " South Park, and on the plains." The root is annual. 489. C. maritima, var. erecta, Moq. 308. Obione canes- cens, Moq. AMARANTACEJE. 487. Frozlichia (Oplotheca, Nutt.) Floridana, Moq. "Sand hills, on the plains."* POLYGONACE^E. 490. Polygonum Bistorta, L., var. oblongifolium, Meisn. 491. P. vivi- parpm, L. 492. P. tenpe, Michx., in several varieties, one of them (Parry's No. 322a of 1862) from the alpine region, only two or three inches high, with oblong or oblong-lanceolate leaves, appears to be to P. tenue what P. avicidare, var. nanum, Boiss., is to the ordinary P. avicidare.\ 493. P. coarctatum, Dougl., var. minus, Meisn.; a depauperate form? "Blue River, on the western slope of the Rocky Mountains." 494. Oxyria digyna, R. Br. 495. Rumex venosus, Pursh. 496, 498. R. salicifolips, Weinm. 497. R. maritimus, L. " Subalpine, and on the plains of Nebraska." 499. R. longifolius, DC. (i?. Hippolapathum and R. domesticus, Fries. Extends into the mountains; very common. 500. Eriogonum alatpm, Torr. 501. E. annudm, Nutt. 502. E. effpspm, Nutt., with rose-colored flowers. 503. E. cernupm, Nutt. 504. E. umbellatpm, Torr. , both with straw-colored (Parry's 318,) and. with deep yellow flowers (Parry's 315). 505. E. flavum, Nutt., a low form from the alpine region, and a large variety (var. crassifolium, Benth. ) from a less elevated region. ELvEAGNACE^E. 506. Shepherdia Canadensis, Nutt. "Subalpine pine woods." SANTALACE.E. 507. Comandra pallida, var. angustifolia, A. DC. C. angustifolia, Nutt., ined. LORANTHACE^E. 574. Arceuthobium campylopodum, Engelm. Probably only A. Amerieanwn, Nutt. EUPHORBIACE^. 508. Euphorbia marginata, Pursh. 509, (also 438 of Parry) E. Montana, Engelm. 510. E. dictyosperma, Fisch. and Mey, 511. E. hexagona, Nutt. * On the plains, in similar situations, Mr. Hall collected Amblcgyne (Sarratia) Torrci/i, Gray, in Proceed. Amer. Acad., 5, p. 169, the narrow form, noted in H. Engelmann's collection. Parry'6 No. 323, referred doubtfully to Montelia, is probably the male of this. t Dr. Engelmann, in a letter, referring all the forms of No. 492 to P. tenue, arranges them as follows: " Var. a. commune: majus; nucibus majoribus (sesquilineam longis). p. microspermum : minus, gracilius; nucibus vix lineam longis. y. latifolidm; humile ; foliis oblongis ; spicis coarr- tatis ; bracteis superioribus (aristo destitutis) muticis. Meisner, in the Prodromus. is wrong in saying that the nuts are subopaque or rough on the edge; they are perfectly smooth and shining with concave sideB and an acumination." 1863.] 76 PROCEEDINGS OF THE ACADEMY OF 512. E. petaloidea, Engelin., with the small-flowered form named E. polyclada by Boissier. 513. E. Fendleri, Torr. and Gray; the inappendiculate form. 514. Ckoton (Hendecandra) muricatum, Nutt. 309. Tragia ramosa, Torr. CUPULIFERiE. 515. Quercus Douglasii, var. Neo-Mexicana, A. DC. 516. Corylus ros- trata, Ait. BETULACE^I. 517. Betula glandulosa, Michx. "Subalpine." 518. B. paptracea, Michx., var,, called B. alba, var. glutinosa inParry's Enumeration. 519. Alnus viridis, Ait. SALICACEiE. 520. Salix arctica, R. Br. 521. S. reticulata, L. This and the last are high alpine species. 522. S. rostrata, Richards. (6\ vagans, Anders.) 523. S. glauca, L. " Subalpine." 524. S. cordata, Muhl., or vitellina, L. 525. Poptlus angustifolia, Torr. " Foot of the mountains." 526. P. bal- samifera, L., var. candicans. "Subalpine; rather rare." 527. P. tremu- loipe<, Michx. CONIFERiE. 525. Pixus toxdeeosa, Dough ; Engelm. in Enum. PI. Parry, Suppl., p. (39; 332. 529. P. flexilis, James ; Engelm., 1. c. 530. P. aristata, Engelm. I.e. 531. P. contorta, Dough ; Engelm., 1. c. 532. P. edulis, Engelm. 533. Abies Menziesii, Lindl. 534. A. Douglasii. Lindl. ORCHIDACE^S. 535. Platantheea hyperborea, Lindl. 536. P. obtusata, Lindl. 537. Calypso borealis, Salisb. 538. Cypripedium parviflorum, Salisb. 539. Spieanthes gemmipaea, Lindl., from South Park, in the Rocky Mountains, (and one or two specimens were collected by Dr. Parry on South Clear Creek, July, No. 441) ; quite resembling the Irish plant in aspect and in the label- lum, etc., but the sepals rather narrower and less blunt, mixed (in my set) with taller specimens, from the plains, of a narrow-leaved form of S. cernua, having very large nipple-shaped calli on the base of the labellum. The la- beilum of the former, when flattened out, is in outline ovate or ovate-oblong, with a narrowed subapical portion below the cordate-rotund erose-crisped summit. The forms of 5. cornua, or the species allied to it, are thus far quite inextricable. The present Rocky Mountain specimens are exceedingly inter- esting, whether absolutely identical or not with the much-vexed and isolated S. gemmipara. They have not the long-acuminate bracts of S. Roman, zovlana, of which my specimens are too young to allow a comparison of the Mowers. ALISMACE^E. 540. Triglochin palustre, L. 541. T. maritimum, L. Both from the moun- tains. IRIDACE^E. 542. Iris tenax, Dough? "Subalpine, and at lower elevations ; common." This, now collected in flower, we had in fruit, collected on the Laramie Moun- tains by Dr. Hayden. and at Bridger's Pass by Mr. H. Engelmann. Thespathe is more scarious and the capsules larger than in /. tenax. LILIACEiE, inch Smilaceje, Melaxtiiace^e, etc. 543. Streptopus amplexifolius, DC. 544. Smilacina stellata, Desf. 545. Allium stellatum, Fraser. 546. A. Sch. unispicata, Munro, ined., is a reduced form of this, to which belongs Geyer's No. 189.] 623. Avena striata, Michx. 624. Calamagrostis sylvatica, DC. 625. Trisetum subspicatum, Beauv., with a remarkable open-panicled form. 626. Stipa viridula, Trim, the S. parviflora, Nutt. 627. Aira c^espitosa, L., two forms ; the smaller and more alpiue of which is the var. arctica [Deschampsia brevifolia, R. Br.) ; the larger is intermediate between that and the ordinary form of the species. Parry's 367 of 1862 connects the two. 628. Hierochloa borealis, R. and S. 629. Glyceria aquatica, Smith. 630. G. (Heleochloa) airoides, Thurb., the Poa airoides, Nutt. 631. Vilfa tricholepis, Torr. ; a remarkable species, which it may be necessary upon further study to remove from the genus. 632. Muhlenber- gia pungens, n. sp.f 633. Eriocoma cuspidata, Nutt. 634. Oryzopsis micrantha ; Urachne micrantha, Trin. A very distinct species, differing from O. Canadensis, Torr., in its elongated panicle, smaller spikelets, glabrous paleae, and much longer awn. 635. Graphephorum? flexttosum, n. sp.J 636. Bouteloua oligostachya Torr. 637. Buchue dactyloides, Engelm. leria, Nutt.) ; the staminate plant only. 638. Mcnroa squarrosa, Torr. 639. Spartina gracilis, Trin. ; the name wrongly attributed to Hooker by Steudel ; it is S. junciformis, Engelm. and Gray, PL Lindl. 1, No. 207. 640. Brizopyrum spicatum, Hook, var. strictum. 641. Sporobolus asperifolius, Nees and Meyen. 642. Muhlenbergia gracillima, Torr. 643. Sporobolus ramulosus, HBK. 644. Leptochloa fascicularis, Gray ; a remarkable and large form ; which has been by seve- * By Prnf. George. Thurber. On account of illness, Prof. Thurber has been prevented from study- ing these Grasses as thoroughly as could be wished. A more critical account of some of them may be expected hereafter. f- Muhlenbergia pcngens (Thurber, sp. nov.) : culmo e rhizomate repente 1-li-pedali foliisque rigidis convolutis pungentibus patentibus (1-1 i poll, longis haud lineam latis) minute pubescenti- bus, ligula brevi ciliata ; paniculse 3-4-pollicaris radiis solitariis dissitis basi nudis fasciculatim ramo- sls; pedicellis capillaribus scabris spiculis (cum arista 2j lin. longis) pluries longioribus; glumis fere aequalibus acuminatis vel seta apiculatis flore dimidio brevioribus; callonudo rudimento mini- mo przedito; palea inferiori scabra acuta in aristam asperam semi-vel sublineam longam pro- ducta. superiori subeequilonga, nervis excurrentibus bisetiferis; staminibus 3. A striking spe- cies, with very pale green foliage, and a purplish panicle. Collected also by Mr. H. Engelmann in Nebraska, and by Dr. J. S. Newberry in Ives' Colorado Expedition. % Graphephorum? flexuosum (Thurber, sp. nov.): culmo tripedali lmvi; vaginis internodia superantibus annulo pilorum pro ligula instructis; foliis sesquipedalibus 2 lin. latis setaceo- acuminatis ; panicula laxiflora, radiis sparsis (infimis diatantibus ciro. 4 poll, longis) inferne nudis in ramulos pancos capillares solutis; pedicellis spiculis ovatis compressis 3-6-floris) 2^-3 lin. longis) duplo vel quadruplo longioribus; glumis mombranaceis uninerviis aoutis spicula dimidio brevi- oribus; palea inferiori earinata trinervi (nervis latoralibus prominontibus) scabro-pubescente apico eroso-denticulata cum mucrone basi villifera, superiori subaequilonga eximie bicarinata bidentata. Stam. 3. Ovarium stipitatum. Squamulae 2, oblique truncatae. Caryopsis libera. Dr. J. M. Bige- low collected this Grass several years ago on the Canadian River. It is doubtfully referred to Gra- phephorum as that genus is defined by Dr. Gray in the Proceedings of the Botanical Society of Canada. But the joints of the rhachis are very short, and the tuft of hairs seems rather to belong to the palea. [Mar. NATURAL SCIENCES OF PHILADELPHIA. 79 ral western collectors, but I am unable to distinguish it specifically from the plant of the Atlantic States. 645. Tricuspis purpurea, Gray. 646. Stipa Mongolica, Turcz. (Plilagroslis Mongolica, Griseb. in Ledeb., Fl. Ross.) I have no specimen by which to confirm this determination, but it accords so well with the description, except as to size, as to leave little doubt.* This makes the third species with a plumose awn found in our territory. 647. Sporobolus airoides, Torr. 648. S. cryptandrus, Gray, same as 945 of Fendler. 649. Calamagrostis stricta, Trin., with some C. sylvatica intermixed. 650. Kceleria cristata, Pers., a very attenuated form. 651. Andropogon argenteus, DC. (A. Jamesii and A. glaucus, Torr.) 652. Aris- tida purpurea, Nutt. ; the form called A. Fendleriana by Steudel. 653. Pas- palum setaceum, Michx. 654. Elymus near condensatus, Presl. and apparently E. triticoides, Nutt., mixed. 655. Triticum repens, L., var. [656. T. caninum, L. var., the same as Parry's 381, named T. segilopoides in the coll. of 1861, but wrongly : along with attenuated T. repens, L. 657. T. ^gilopoides, Turcz., A. gropy- rum divergens, Nees.] 658. Beckmannia eruc^formis, Host. 659. Sporobolus airoides, Torr. 660. Vilfa depauperata, Torr. This was described from an extremely re- duced form of a very variable species, of which V. utilis, Torr., is an attenu- ated state. 661. V. cuspidata, Torr. Like others of the genus, this presents great differences in the relative length of the glumes and paleae. 662. Glyceria pauciflora, Presl. 663. Catabrosa aquatica, Beauv. 664. Muhlenbergia gracilis, Trin. 665. Festuca ovina, L., var. duriuscula, Gray. 666. F. rubra, L.; very young. 667. F. scabrella, Torr.? Perhaps a very narrow-leaved form of this species, of which specimens collected by Dr. Bigelow in New Mexico are the opposite extreme. 668. Poa near P. nemoralis, L. It is 375 of Parry. 669. P. andina, Nutt. in herb. Acad. The Poas of this collection, including some undistributed specimens, present several puzzling forms, which can be accurately deter- mined only by a much more thorough study than can be given them at pre- sent. 670. P. arctica, R. Br., (Parry's 376,) mixed with some of P. alpina. 671. Agrostis varians, Trin. Agrees well with Hooker's No. 217, quoted by Trinius, but some specimens have a strong awn. 672. Poa serotina. Ehrh. 673. Agrostis near rupestris. 674. Poa alpina, L., mixed with one which may be a variety of it. [675. Poa, near 669 and 677.] 676. P. arctica, R. Br. ? 677. P. andina, Nutt. 678. Poa, undetermined species. 679. Sitanion elymoides, Raf. Two forms of this variable grass, which will probably be reduced to Elymus. 680. Triticium caninum, L.,var. same as 381 of Parry. 681. Hordeum jubatum, L. 682. Alopecurus pratensis, var. alpestris, Wahl. (.4. glaucus, Less.) ex Gray. 683. A. geniculatus, var. aristulatus, Michx. 686. Leptans paniculatus, Nutt. 685. Vaseya comata, n. gen. and sp. This remarkable grass, which really appears to form a new genus, intermediate between the Arundinaceae and the Agrostidefe, is dedicated (by the collectors' desire, seconded by Dr. Gray) to Dr. George Vasey, of Ringwood, Illinois, one of the most zealous of our Western botanists. The following are its principal characters : VASEYA, nov. gen. Panicula coarctata. Spiculse uniflora;, herbaceo-membranaceee. Gluma? uninerves florem ada?quantes. Callus obliquus, comam pilorum paleis a?qui- longam gerens. Palea inferior trinervis in aristam gracilem attenuata ; supe- rior sequilonga, acuminata. Stamina 3. Ovarium stipitatum. Styli ultra medium pilis stigmaticis longis simplicissimis instructi. Squamulas . . . Caryopris ... .V. comata, a native of the plains of Nebraska ; is a * A comparison with an authentic hut imperfect Mongolian specimen counting Prof. Thurber's determination. A. G. 1863.] 80 PROCEEDINGS OF THE ACADEMY OP perennial grass, with the aspect of a Mulenbergia or of a Polypogon, but with a coma of silky hairs around the flower, as in a Calamagrostis. Culm a foot and a half high, from a creeping rhizoma, retrorsely pubescent at the nodes. Sheaths scabrous, equalling the internodes ; ligule short, fringed ; leaves 3 or 4 inches long, dull green, rough on both sides. Panicle lead-colored, about 3 inches long ; the branches solitary, appressed, densely many-flowered. Spikelets very short-pedicelled, compressed, pubescent, a line and a half long. Glumes narrow, very acute, serrulate on the keel, the lower a little the longer. Awn rough and flexuose, purplish, three or four lines long. O. Thurler. FILICES. C87. Aspidium Filix-mas, Swartz. ; apparently identical with the European plant. 688. Cryptogramme acrostic hoides, R. Br., by Sir Wm. Hooker re- garded as a variety of AUosorus crispus. 689. Asplenium septentrionale, L. This was collected by C. "Wright farther south ; and these two stations are the only known American ones. 690. Cystopteris fragilis, Bemh., mixed with a "Woodsia, the same as Parry's 394, formerly named W.obtusa; but it is of a different species. 691. Cheilanthes Fendleri, Hook. 692. Asple- nium Trichomanes, L. 693. Nothochl.exa Fexdleri, Kunze, Filices, 2, p. 87, t. 136 ; the same as Parry's 396. A species recently distinguished from N. dealbata. 694. Polypodium vulgare, L. 695. P. Dryopteris, L. Catalogue of the FISHES of Lower California, in the Smithsonian Institution, Collected by Mr. J. Xantus. BY THEODORE GILL. PART IV. Subfamily SERRANIN.E (Swainson.) Nine genera of this subfamily are now known to be represented by species along the western coast of America and the Gallapagos Islands. They may be thus distinguished : I. Caudal with the lobes acuminate. Lateral line before superior, deflected behind Pronotogrammus. Lateral line normal Brachyrhinus. II. Caudal not forked. A. Canine teeth developed. B. Dorsal spines XI. C Nostrils in a vertical row Mycteroperca. CC. Nostrils in a longitudinal row. Body oblong; smooth above lateral line Labroperca. , Body oval, with ctenoid scales Epinephelus. BB. Dorsal emarginated ; spines X. C. Head with profile decurved, scaly above.. Paralabrax. CC. Head conic ; naked between eyes. Spinous dorsal rounded Atractoperca. Spinous dorsal, incurved behind the third elon- gated spine Gonioperca. AA. Canine teeth entirely obsolete Dermatolepis. The preceding table gives only the more striking characters ; those are accompanied by others, which appear to amply authorize their generic dis- tinction. In the table, the genera do not follow each other in a strictly natural order. Genus PRONOTOGRAMMUS Gill. This genus has the form of Brachyrhinus. The body is covered by moderate, [Mar. NATURAL SCIENCES OF PHILADELPHIA. SI ctenoid scales. The lateral line runs high on the sides for the greater part of its length, but is abruptly deflected behind, and thence continued along the middle of the caudal peduncle. The head most resembles that of Brachyrhinus . The preoperculum is serrated on its posterior margin, and has a strong com- pressed spine at its angle. The operculum has three acute angles, the middle continued from an internal rib. The teeth are like those of Serranus, &c. ; two large ones exist on each side of the front, in the margin of the upper jaw, and one on each side, near the symphysis in the lower ; while there are also two on the sides. The vomer and palatine bones have villiform teeth. There are, apparently, only six branchiostegal rays. The dorsal is undulated, and has ten spines. The anal has three strong spines, the second of which is largest. The lobes of the caudal are acute ; the pectorals acutely rounded ; and the ventrals angulated. Pronotogrammus multifasciatus Gill. The greatest height equals or slightly exceeds a quarter of the length from the snout to the end of the median caudal rays. The head equals a third of that length, and contains the diameter of the eye, which is oval, three times. The snout is less than half the diameter of the eye. The spines of the dorsal rapidly increase to the fourth, which nearly equals a seventh of the length, and thence decrease to the last, which equals about an eleventh of the same. The longest ray about equals the longest spine. The second anal spine is more than twice as long as the first, equals the fourth dorsal one, and is con- siderably longer than the third anal one. The median caudal rays enter 6 times in the total length, while the longest exceed the greatest height. The pectoral fin commences little before the end of the first third of the length, (32,) and equals a quarter of that length. The ventral is inserted consider- ably in advance of the pectoral, ( - 28,) and is rather shorter than it. 1 D. X. 15. A. III. 6 P. 1. 14. V. I. 5. C. 10. 1. 8. 7. 1. 9. 1 3 5 Scales 31+2+12 17 5 The latter is deflected on two scales. The color is tawny yellow, with numerous (-20) rufous bands descending nearly to the middle, and rather wider than the tawny intervals. Only one specimen, whose extreme length was little more than two inches, was obtained. Family CEILODTPTEROIDJEBleeker. Genus AMIA Gronovius. The Monoprion of Poey is perfectly congeneric with the type of the genus Amia; the genus Apogonichthys of Bleeker appears to be at least very closely related to it, while both genera include forms that do not appear to be strictly allied, but more distinct from the types of the respective genera than the latter are from each other. The species of the old genus may be divided as follows : I. Preoperculum serrated. Anal II. 79 (10). 23 Scales 20 28 Amia. 58 Scales 33 36 [Apogon kalosoma, Blkr.) Lepidamia. Anal II. 12 17 {Apogon Bleekeri, Gthr.) Archamia. 1863.] 82 PROCEEDINGS OF THE ACADEMY OF II. Preoperculum entire. Scales 2026 Apogonichthys. 5 Scales 40 (Apogon aprion, Rich.) Glossamia. 13 As there is no gradation from one type to the other among the great num- ber of species already known, the characteristics above given appear to be the indices of distinct genera. Amia and Apogonichlhys are probably the most closely allied groups. Family SPAROIDJE (Cuv.) Subfamily XENICETHYINJE Gill. XENICHTHYS Gill. Body moderately elongated and subfusiform, compressed, and with the caudal peduncle also compressed and robust. Scales deciduous, rather small, high and ctenoid. Lateral line tubular, in more conspicuous scales. Head compressed, conic, longer than high, with the occipito-rostral outline rectilinear. Upper surface of head to the nostrils covered with small scales. Occipital crest prominent. Eyes circular, large, and mostly in the anterior half of the head. Preorbital bones rather narrow and oblique. Operculum with two spines. Preoperculum pectinated behind, the teeth higher up pro- gressively directed upwards. Mouth rather small, with the lateral cleft very oblique, and not con- tinued to eye ; supramaxillary bones broad, enlarged in front below the intermaxillary, and behind the latter covered by a cutaneous flap from it. Lower jaw shorter than upper, but with the chin projecting beyond it, and with a pore on each side of the symphysis. Lower lip continuous and free at symphysis ; plicated behind, where it is received under the upper jaw. Teeth small, recurved, and in rather narrow bands on each jaw. Vomer with its projecting front provided with a villiform rhomboid patch; palatine bones and tongue edentulous. Nostrils above anterior, and in a line with upper margin of orbit, near each other; the anterior circular: the posterior cleft transversely. Branchiostegal rays seven on each side. Pseudobranchise present. Dorsal fins connected by a low membrane at the base; the first with ten rather slender but perfectly rigid spines ; the third, fourth and fifth of which are longest, (with no recumbent spine in front) ; the membrane has a fibrous appearance. Second dorsal lower than the first, and elongated. Anal fin about as long as second dorsal, but rather farther back, with three small, regularly increasing spines. Caudal fin emarginated, with rounded lobes. Pectoral fins small, with the upper angle produced, but apparently rounded. Ventral fins inserted close behind the pectoral : each with a spine and five branched rays, and a pointed axillar scale. As there might be some doubt as to the affinities of this genus, on account of the few palatal teeth and the number of branchiostegal rays, an extended' description of its generic characters has been given. The spinous dorsal be- ing received in a groove, the upper jaw closing under the preorbital bones and axillar ventral scales existiug, it belongs to the family of Sparoids, as now modified. It cannot be referred to the Sciaenoids, as its skull is smooth. The nearest allied genus appears then to be Moronopsis, [Dules marginatus C. V.*) That genus differs in its more compressed body, the scales and the similarity of those of the lateral line to the others, the stouter dorsal spines, * The Dates auriga and D.flauiventris are, of course, not regarded as allied to D. marginatus , &c. I am unable to perceive any affinity between them, and they have been united only in accord- ance with an artificial system. [Mar. NATURAL SCIENCES OF PHILADELPHIA. 83 between which the membrane is acutely notched, the scaleless crown and little development of the occipital crest, the dentition and the number of branchiostegal rays, and, finally, the absence of axillar scales. With any other form it is unnecessary to compare the genus, as its natural affinities appear to be more intimate with Moronopsis* than any other. Naturalists can decide from the above enumeration of the differential characters, in compari- son with Moronopsis, if there is any other group to which it could be more naturally approximated. If it is stated that the physiognomy of the two genera is quite similar, the chief difference being caused by the procurrence of the occipital crest and the rectilinear profile, as well as the character of the scales, the ichthyologist can appreciate the aspect of the newly-described form. Xenichthys xanti Gill. The greatest height equals three-tenths of the length (exclusive of the caudal). The head forms a third of the same. The diameter of the eye equals a third of the head's length, is about a third greater than the interorbital area, and nearly a third greater than the length of the snout. The fourth or longest dorsal spine equals nearly a fifth of the total length, and is nearly five times longer than the tenth. The third or longest anal spine is scarcely more than a twelfth of the length. The pectoral fin at least exceeds a seventh of the length, while the ventral equals a seventh. D. XII. 14. A. III. 17. C. 11. I. 8. 7. I. 9. P. 1. 15. V. I. 5. Scales, lat. line 50. The color is light ; on each side of the back are two indistinct, purple, longitudinal bands ; and before the dorsal fin is another. The color below is silvery. At the base of the caudal there is an indistinct spot. The tip of the spinous dorsal fin is dark. This most interesting and even remarkable type is dedicated to Mr. John Xautus, to whom we are indebted for the noble collection of fishes and other animals of Lower California, and who has, more than any other single man, contributed to our knowledge of the natural history of the Western coast. Family CARANGOIDJE. Genus ARGYRIOSUS Lac. Two representatives of this genus are found on the Atlantic coast of the United States : they are the A. vomer, of Linnasus, and the A. capillaris, Dekay, the A. unimaculatus of Batchelder and Storer, and the form which has been considered by Gunther as the young of A. vomer or a new species, appears to me to be the young of Vomer selipinnis, and at least belongs to the same genus. The Argyriosus Spixii of Castelnau is the unfortunate Selene argentea of Lace- pede, first well made known by Mr. Brevoort, but which has received a num- ber of names from different writers. Argyriosus Brevoortii Gill. The greatest height in an oblique direction nearly equals nine-tenths ('87) of the length in a straight line, from the vertical of the snout to the end of the median caudal rays. The head forms less than a third of that length. The profile is oblique, and slightly incurved below the angular crown ; its distance from the vertical of the snout equals an eleventh of the total length, and be- fore the eyes, two-thirds of the preceding. The diameter of the orbit equals an eleventh of the length, and its distance from the profile equals two-thirds of the diameter. The height of the preorbital is twice as great as the diame- ter of the orbit. The base of the arched portion of the lateral line equals three-tenths of the total length, and its elevation above the horizon equals a *The Datnia? ambigua of Kichanlson, which has been referred by Gunther to the genus Dules differs from Moronopsis by the shorter convex anal fin, the large second anal spine, the small eyes and the entire physiognomy. It may be called Plectropliles ambiguus. 1863.] 84 PROCEEDINGS OF THE ACADEMY OP third of the base; the straight portion equals a third of the total length. The second dorsal spine is very long ; the third little longer than the base of its fin. The caudal lobes diverge at nearly a right angle ; the length of the lower nearly equals three-tenths of the total. The pectoral fin equals a quarter, and the ventral two-fifths of the total length. D. VIII. I. 22. A. II. I. 18. The color is silvery, punctulated, with black near the edge of the back, and withablack baronthehead above the eye, parallel with the forehead. The fila- mentous dorsal spines and the elongated dorsal and anal rays are blackish. The ventrals have the terminal half blackish, and the other whitish, with a median black band. This species is distinguished by its proportions, oblique profile, lateral line and color. It may be further remarked that the branch of the lateral line ascend- ing from the scapula divides into two branches, diverging at less than a right angle ; the anterior branch appears to be a groove. I have dedicated this species to my excellent friend, Mr. Brevoort, who has paid much attention to the group of fishes of which the present is a member. Genus HALATRACTUS Gill. Halatractus dorsalis Gill. The greatest height equals a quarter of the length to the end of the median caudal rays. The head enters more than three times and a half (-28) in that length. The diameter of the eye equals a quarter of the head's length, and is shorter than the length of the snout (=-09). The median caudal rays forms an eleventh of the length, and the longest equal a fifth. The pectoral fin nearly equals a seventh ('13), and the ventral nearly a sixth ( - 16) of the length. D. VII. I. 37. A. II. + 1. 21. P. 2. 19. The color is brassy, purplish on the back, and with ten indistinct darker bands, twice as wide as their intervals ; the second between the second and fifth dorsal spines. The dorsal and anal fins are nearly black; the anterior angle of the latter lighter. The ventrals dusky, with the rays externally white. This species is most nearly related to Halatractus zonatus Gill, and H. caro- liniensis, Gill, of the Eastern American coast; but readily distinguished by the color and proportions. Genus TRACHYNOTUS Lacepede. Trachynotus Carolincs Gill. This species is extremely variable, as are also the other well-known repre- sentatives of the genus. In extreme youth, the jaws and palate are dentigerous, and the angle of the preoperculum armed with three radiating spines ! while the spinous dorsal and anal are elevated, and the angles of the soft fins scarcely produced. Later, the preopercular spines become obsolete ; then the palatal teeth are lost ; the spines of the fins meanwhile become abbreviated, and , finally, in old age, the teeth have entirely dropped out, the spines become much shortened, and the angle of the fins considerably produced. Half- grown specimens answer to the genus Doliodon, of Girard ; nearly mature ones, with teeth in the jaws, Trachynotus, C.V. ; and old ones, without teeth, to Bothrolxmus, Holbrook. Relying on the correctness of my predecessors, who had certainly the opportunities, if they had availed themselves of them, to avoid such errors, I adopted the several genera proposed by Holbrook and Girard in my Catalogue of the Fishes of the Eastern Coast; Gunther first corrected the synonymy as lately given, and, under the other North American species, has brought together nine of Cuvier's species and two of other authors ! [Mar. NATURAL SCIENCES OF PHILADELPHIA. 85 The radial formula is also variable. Small specimens between one and two inches long exhibit the following variations : 1. D. V. -f I. 26. A. II. + I. 24. 1. D. VI. + I. 26. A. II. + I. 24. 2. D. VI. + I. 26. A. II. + I. 23. 3. D. VI. + 1. 26. A. II. + I. 22. 1. D. VI. + 1. 25. A. II. + I. 23. 2. D. VI. + 1. 25. A. II. + I. 22. 1. D. VI. + 1. 24. A. II. + I- 21. 1. D. VI. + 1. 23. A. II. + I. 21. Tbachynotus rhodopus Gill. The greatest height equals a third of the length from the snout to the end of the median caudal rays. The head forms scarcely more than a quarter of the length. The diameter of the eye exceeds a third of the head's length, and is a third greater than the length of the snout. The latter is as high as long, and truncated. The lower jaw is not received within the upper. The spinous dorsal from the third spine arched, and highest at its fifth spine, which equals an eighth of the length. The first two spines are short. The second anal spine equals a tenth of the total length. The median caudal rays form nearly a sixth of the length, and nearly equal two-thirds of the longest ones, or of the head. The pectoral fin is contained about five times and a half in the length. D. VI. + I. 20. A. II. + I. 18, 19. The color is bluish-silvery ; the spinous portions of the dorsal and anal fins punctulated with black ; the ventrals rose-colored ; the other fins yellow- ish and mostly immaculate. Numerous specimens of this species were obtained by Mr. Xantus ; but all of them are young, (between one and two inches long,) and have the three radiating spines, &c, of the preoperculum. It must be remembered that the portion of the description referring to the spinous and soft dorsal and anal fins, is only applicable to the young ; the adult doubtless resembles Trachy- notus Carolinus. * The present species is allied to the latter, but at once distinguished by the small number of dorsal and anal rays. The radial formula equally distinguishes it from all previously known species having the same form. The young of Trachynotus ovatus, Gthr., does not essentially differ in form from the adult. Trachyxotus nasutcs Gill. The greatest height equals two-fifths of the length from the snout to the end of the median caudal rays. The head forms three-tenths or more of the length ; the snout is produced and subconic, and equals the diameter of the eye, and scarcely less than a tenth of the head's length. The lower jaw is received within the upper. The spinous dorsal is highest at the fifth spine, which equals an eighth of the length, or nearly a third of the height of the body beneath. The second anal spine is as long or longer than the fifth dorsal one. The median caudal rays form an eighth or more of the total length, while the external rays only equal a sixth of the same. The pectoral fin is contained five times and a half in the length. D. VI. -f I. 20. A. II. + I. 19. The color is silvery ; the spinous portions of the dorsal and anal fins thickly punctulated with black ; the ventrals white. This species is very readily distinguished from T. rhodopus by the conoid * The descriptions of Trachynotus marginatus, C.V. and T. cayennensis, C. V., must be accepted with similar reserve. The statement of the height of the fins of the two new species here described has been retained in order to show how great is the difference between the young and old. 1863.] 86 PROCEEDINGS OF THE ACADEMY OF produced snout and the reception of the lower jaw within the upper, as "well as by the shorter and less emarginated caudal fin, greater height, &c. Several specimens were obtained, mostly under an inch long. The description of the dorsal and anal fins, as in Trachynotus rhodopus, refer only to the young. Trachynotus fasciatcs Gill. This species is closely related to the Trachynotus glaums of the Atlantic and Caribbean Sea, but is distinguished by the scarcely gibbous snout and the distribution of the vertical bands : the first commencing close in front of the first (erect) dorsal spine ; the second between the fourth and fifth, and the third under the fourth and fifth rays. A black spot also appears to exist on the lateral line below the seventeenth dorsal ray, and a black blotch behind the dorsal fin. The produced dorsal and anal lobes are nearly coterminal with the caudal lobes. A single dried specimen, nearly eight inches long, was given to the Smith- sonian Institution by Capt. John M. Dow. The snout is doubtless always less gibbous than, or rather not vertical as in, T. glaucus. It cannot be the more mature form of T. rhodopus or T. nasutus, as the snout, when it does change, becomes more elevated with age. The colors are also quite different, and pro- bably undergo no essential change with age. Family SPHYR^NOIDjE Ag. SPHYRiEXA LUCASANA Gill. The greatest height equals a tenth of the length, and is a quarter the thick- ness. The head forms about three-tenths of the length. The snout enters 2\ times in the head, and is more than twice as long as the diameter of the orbit ( - 05). The maxillary bone ceases at a vertical, whose distance from the orbit equals the diameter of the pupil. The tip of the lower jaw has a square, thick flap. The first dorsal fin commences more than four-tenths ( - 42) of the length from the lower jaw ; its second spine rather exceeds the width of the body (08) ; the second dorsal commences more than six-tenths (-62) from the jaw, and is rather lower than the first ( - 07J). The caudal enters 6 times in the whole length. The pectoral fin extends for about two-thirds of the distance between its base and the ventral, and is less than of the length (-07). The ventral is rather longer than the pectoral, and is inserted under the anterior margin of the first dorsal. The first dorsal commences about over the thirty-fifth scale of the lateral line, and the second over the ninetieth. D. IV. I. 8. A. 2. 9. Scales 134. The color is reddish-brown above the lateral line, and silvery below, with darker blotches along the line. Family BERYCOID^E Lowe. HOLOCEXTRUM SCBORBITALE Gill. The greatest height does not equal a third (-31) of the total length ; the tail behind the vertical fins nearly equals a ninth of the total length, and nearly the length of the base of the rays ; its least height is rather less than a twelfth (-08) of the same. The head, from the snout to the opercular margin, forms more than a fourth ("26) of the length ; the opercular spine is long, and nearly equals a third of the diameter of the eye ("03). The preo- percular spine extends to the vertical from the base of the opercular one. The diameter of the eye equals a tenth of the total length, and is a third greater than the length of the snout (=-07). The preorbital has six or seven moderate teeth, directed backwards. [Mar. NATURAL SCIENCES OP PHILADELPHIA. 87 The spinous dorsal commences above the posterior margin of the scapular bone ; its first spine equals the eye's diameter ( - 10), and the third is a half longer ( - 15). The second dorsal at its longest rays rather exceeds an eighth (=13) of the total length ; it ends over the twenty-fifth scale of the lateral line. The anal fin is somewhat larger than the second dorsal ; the third spine is very large, its length entering nearly five times and a half ( - 18) in the total. The caudal fin forms more than a fifth (-21) of the length, while the median rays only equal a tenth. The pectoral and ventral fins are equally long, and rather less than a fifth (19) of length. D. XI. 1. 12. A. IV. 9. 3 Scales 35 7 The color is steel, thickly sprinkled with dark dots, which become less nu- merous downwards. The fins are dark ; the dorsal lighter at the anterior half at the base between the spines. The suborbital chain is bright silvery and immaculate. Genus MYRIOPRISTIS Cuv. Myriopristis occidentalis Gill. The height of the body equals 28-100 of the extreme length, while the head forms 3-10 of the same. The snout is much decurved, and, from the apex to the eye, equals nearly half the diameter of the orbit and a fifth of the head's length. The pectoral fin equals a sixth of the extreme length, and the ventral enters 7J times in the same. The caudal forms a fifth of the whole length. D. X. 1.13. A. IV. 11. 3 Scales 3536 7 Color on the upper half reddish-purple merging into silvery below, punctu- lated with blackish, especially where the longitudinal rows overlap each other. The fins are immaculate, except a linear border which sometimes margins the spinous dorsal. Numerous specimens were obtained by Mr. Xantus at Cape St. Lucas. RHAMPHOBERYX Gill. This genus is very closely related to Rhinoberyx, but has considerably small- 3 er scales (34-36-) and entire rostro-frontal carinas, the spine at the angle of 7 the preoperculum is not essentially enlarged, but simply formg the angle at the preoperculum. RHAMPHOBERYX PC3CIL0PUS Gill. - The height of the body equals nearly three-tenths (*29) of the extreme length, and the head forms 27-100 of the same. The snout is blunt, but con- siderably produced and forms about a fifth of the head's length ; the diameter of the orbit is contained three times in the head. The pectoral and ventral fins are equally long, rather exceed a sixth of the extreme length, and nearly equal the caudal fin. D. X. 1. 14. A. IV. 11. 3 Scales 3536 7 The color above the lateral line is olive green, golden green below, and 1863.] 88 PROCEEDINGS OF THE ACADEMY OF cupreous in the opercula. The spinous dorsal is dark green in front of each spine, but light behind as well as above and below ; the margin is also very dark. The ventral fins have each a broad blackish terminal band. The base of the caudal fin is punctulated with dark spots. The specimens If 2J inches long. Rhamphoberyx leccopcs Gill. This species is very closely related to the preceding and has almost pre- cisely the same proportions, but the snout is perceptibly less produced, and the spinous dorsal and ventral fins almost immaculate, the former having only a linear darker border, and the ventrals sometimes tipped with darker. D. X. I. 14. A. IV. 12. 3 Scales 3435 7 Cape St. Lucas, (2 specimens.) Family ECEENEIDOID^E. Genus REMORA (A. Dum.) Gill. The Echencis osleochir of Cuvier and the E. brachypterus of Lowe should both be removed from this genus and accepted as the types of as many distinct ones. The E. osteochir is distinguished by the rhombic form of the pectoral fins and the ossification of the rays. I have therefore named the specimens in the Smithsonian Institution Rhombochirus osteochir. The E. brachyptervs is distinguished by the shorter anal fin and angular upper jaw. It may be called Jiemoropsis brachypterus. Remora Jacobcsa Gill. Echeneis remora Giinther, Catalogue of the Acanthopterygian Fishes, &c, Vol. ii. p. 378. A specimen of Remora obtained by Mr. Xantus at Cape St. Lucas is pro- visionally referred, as by Dr. Giinther, to the old Echeneis remora of Linna?us. Descriptions of some new species of PEDICTJLATI, and on the classification of the group. BY THEODORE GILL. The group called by Cuvier Acanthopte'ryrjiens a pcctorales pediadees and estimated as a family, is a very natural one, distinguished by the incom- plete ossification of the skeleton, the prolongation of the carpal bones tc form " pedicles" for the pectoral fins, and, finally, by the abnormal position of the very small branchial apertures. "While these characters are not sufficient to entitle the group to ordinal distinction, they seem to be of much more than family value ; it may be called a suborder, for which the name Pediculatim&j be retained. The genus Batrachus, referred to the Pediculati by Cuvier, has really little affinity to the true representatives of the group, and has been, by general consent, separated from them by all the more modern systematists. In the suborder, four very distinct types distinguished by difference of form and structure are comprised. Those types must therefore be regarded as rep- resentative of as many families. Dr. Bleeker has attempted to distribute the several genera among families, which have not been characterized, but which were evidently separated on account of superficial differences of form. This is apparent on an examination of his system. Phalanx 1, Herpetoichthyes seu Pediculati, Cuv. Ordo 15, Antennarii. [Mar. NATURAL SCIENCES OP PHILADELPHIA. 80 Familia 41, Cheironecteoidei = Chironeetida? Sicns. Gen. Antennarius Comm. Brachionichthys Blkr., Chaunax Lowe, Ceratias Kroyer. Farnilia42, Malthaeoidei. Gen. Malthaea Cuv. Familia 43, Lophioidei = Lofidi Raf. Gen. Lophius L., Halieutaea Val. The following synoposis is an expression of my views of the relations of the various members of the suborder. I. Branchial apertures above in the axilla of the pectoral fins. Mouth subterminal or inferior, the lower jaw being received within the upper Malth;eoidjE. II. Branchial apertures below, in or behind the inferior axilla? of the pectoral fins. Lower jaw projecting be- yond or closing in front of upper. 1. Head very large and flattened. Mouth transverse horizontal. Pyloric caeca Lophioid^e. 2. Head compressed or cuboid. Mouth vertical or very oblique. Pyloric caeca none. Dorsal fin oblong. Ven- trals developed Antennarioid.e. 2. Head compressed. Mouth with cleft subvertical. Py- loric caeca two. Dorsal fin very short, like anal. Ven- tral fins obsolete Ceuatioid.*. The following is an enumeration and synopsis of the representatives of the several families. As Dr. Bleeker was the first to name one of the fami- lies. I have credited it to him, although he neither defined it nor re- stricted it in the same manner as is here done. As it is, however, only ne- cessary that the type which the author considered as the representative of any group should be known in order to necessitate the retention of a name. Bleeker's must be retained. The generic name of Ferca, for example, is cred- ited to Linnaeus, but, under that name, representatives of different families were confounded by the author, and the name is now accepted in an entirely different sense. The name alone is adopted, and not the idea or definition connected with it by Linnaeus. Family MALTHJEOIDJE (Blkr.) Gill. I. Disk cordiform, produced from the snout ; body ro- bust Maltheix.e. Malthe. II. Disk orbicular, obtuse in front ; body slender Haueut/ein.i:. 1. Mouth small. Rostral tentacle obsolete Halieutichthys. 2. Mouth large. Rostral tentacle developed Halieutaea Subfamily MALTIIEINJH Gill. Genus MALTHE Cuv. Temperate and Tropical Eastern America. Subfamily HALIEUTJEIN.E Gill. Genus HALIEUTICHTHYS Pocy. Caribbean Sea, representing JTalieulsea. Genus HALIEUT^A Val. Astrocanthus Swainson, ii. 331 Eastern Asia. 1863.] Family LOPHIOID.E (Raf.) Gill. Genus LOPHIUS (Linn.) Cuv. 7 90 PROCEEDINGS OF THE ACADEMY OF Family ANTENNARIOIDJE Gill. Chironecteoidei pt. Blkr. As Dr. Bleeker's family appellation is a modification of a generic name that cannot be retained for a representative of this family, it having been pre- viously taken for a valid genus of Marsupial mammals, I do not deem it advisable to retain it. I. Head cuboid. A rostral spine or tentacle only devel- oped Chaunacix^e. Chaunax. II. Head much compressed. The rostral spine or tentacle as well as two other robust spines developed Axtexxariin^. 1. Second spine not connected with third. Body short with tumid abdomen. Palate armed with teeth. * First and second spines disconnected. at. D. 12. A. 7. Body smooth or scarcely granular. Mouth small. Wrist and pectoral slender. Ven- trals elongated. Anal extended downwards.. Pterophryne. /?. C. 12. A. 7 8. Body with spines, generally forked. Mouth moderate. "Wrist and pectoral widened. Ventrals short. Anal oblong Antennarius. y. D. 15. A. 8. Body smooth Histiophryne. ** First and second spines connected Saccarius. 2. Second and third spines well connected by mem- brane, and forming a fin, but distinct from first. Body oblong. Palate unarmed BrachioxichthyinvE. Brachionichthys. Subfamily CHAUNACINJE Gill. Genus CHAUNAX Lowe. Maderia. Subfamily ANTENNARIIN.E Gill. Genus PTEROPHRYNE Gill. Type Cheironectes lsevigatus Cuv. Genus ANTENNARIUS Comm. Cheironectes Cuv. nee Illiger. Type Antennarius princeps Comm. Genus HISTIOPHRYNE Gill. Type Cheironectes Bougainvillii Cuv. Genus SACCARIUS Gthr. Coasts of New Zealand. Subfamily BRACHIONICUTHYINJE Gill. Genus BRACHIONICHTHYS Blkr. Coasts of Yan Diemen's Land, &c. Family CERATIOIDJE Gill. Genus CERATIAS Kroyer. Family MALTH&OIDJE (Blkr.) Gill. Genus HALIEUTICHTHYS Poey. Disk suborbicular or ovate-orbicular, about as long as the rest of the body and caudal fin combined. Forehead with a transverse bony ridge, beneath which is a cavity destitute of a tentacle. Eyes dorsal, oblique, nearly equally [Mar. NATURAL SCIENCES OP PHILADELPHIA. 01 remote from each other and the edge of the disk. Mouth rather small, infe- rior, with the lower jaw nearly semi-circular. Teeth fine, on the jaws and palate. Dorsal fin nearly behind the disk, much higher than long, with about four rays. Anal behind the second dorsal, and also provided with about four rays. Caudal rather long and subtruncated. Pectoral fins on peduncles, which are attached to the body by the membrane. This most interesting new generic type was discovered last year by Prof. Poey at the Island of Cuba. That gentleman has kindly sent the only speci- men obtained to the Smithsonian Institution. He has recognized its generic distinction from Ilalieutxa, distinguishing it by the absence of a barbel in the frontal cavity and the dentition. It is still further distinguished from the Asiatic genus by the much smaller mouth, and also by the attachment of the carpal bones to the body. Halieutichthys reticulatus Poey. The disk is longer than wide, and somewhat oval, being narrower before than behind. The ridges alone are covered with simple spines ; five spines form a pentagon before the interorbital area; one over each orbit, and four are on a ridge proceeding backwards from the posterior angle of each orbit, which converges in a curve towards the opposite one ; the last form the anterior angles of a transverse pentagon on the nape. A transverse ridge behind the eyes, which intersects the longitudinal ones, and has at the angles the second spines from the eyes, provided near each lateral end with another spine, and a swell- ing at the end itself. Five bicuspid spines arm each lateral margin of the disk, and between them are smaller simple ones. D. 4. A. 4. . The color is gray, reticulated with blackish. The caudal is crossed by three blackish bands. The principal proportions are exhibited in the following table-: Extreme length (l- 8 -) 100. Disk Greatest length 51 ; greatest width 45. Dorsal (spinous) Distance from snout 56. Anal Distance from snout 60. Caudal Length 14. Pectoral Distance from snout at upper axilla 47 ; length 14. Family ANTENNARIOIDyE Gill. Genus ANTENNARIUS Comm. Antennarius sanguineus Gill. The anterior dorsal spine is very slender and enters 'l\ times in the length of the caudal fin ; it terminates in a flap extended on each side laciniated outwards. The second spine is rough, robust and curved strongly backwards at its end ; the third is not free, but apparent as a hump pointed backwards, and extending two-thirds of the distance from its insertion to that of the dorsal fin. Skin covered with small bifid spines, whose prongs diverge con- siderably and are acute. The color is blood-red, except on the abdomen, both with several more or less distinct black spots under the origin of the dorsal fin and on the sides. The abdomen is light or yellowish-brown, spotted with black. The intervals between the caudal and anal rays are also marked with black. The floor of the mouth behind the tongue has two lateral black bands converging towards the front, while the posterior margin of the tongue itself is also sometimes lined with black. Two- specimens were obtained at Cape St. Lucas by Mr. Xantus. Antennarius annulatus Gill. The first dorsal spine is very slender, straight and nearly equals the length 1863.] 92 PROCEEDINGS OP THE ACADEMY OP of the caudal fin ; it terminates in two simple tentacles, while a third longer one arises from front near its end ; the second spine is curved at the middle and extends to the base of the third ; the membrane is slight ; the third spine is curved at the middle and partly free, but attached by the skin and only partially erectile ; it reaches more than half way to the dorsal fin. The skin is covered with bifid spines. The body and fins are fawn-colored, lighter on the abdomen, with a few scattered ocellated dots, more abundant on the internal face of the pectoral fin as well as ventral ; the abdomen has darker fawn spots. There are larger ocelli, black, edged with white, on the marginal half of the dorsal and anal fins, and on the caudal ; on the latter, three larger ocelli form a tri- augle. A still larger ocellus is on the back at the base of the ninth dorsal ray, and another between the fourth and fifth anal rays. A pink spot exists at each corner of the mouth ; the second dorsal spine and streaks on each side of its groove are colored likewise, and in front of the dorsal is a pink triangular saddle, sending from each anterior angle a fawn streak margined with whitish to a pinkish area before the pectoral, above which it merges in a marbled fawn area. A broad pink ring encircles the base of the caudal fin, which it- self, as well as the posterior half of the dorsal and anal fin, have a submargi- nal pink band. A single specimen was obtained by Lt. Wright. U. S. A., at Garden Key, Florida, and is in the collection of the Smithsonian Institution. AxTEXNARIUS PLEUROPHTIIALMUS Gill. The anterior dorsal equals about a third of the length of the caudal fin, and has at its end a laciniated or fringed lobe extending upwards ; the second is moderate, slightly curved, and rather longer than the first, and with a mem- brane extending nearly to the base of the third spine; the latter is free, ex- tends backward nearly to the fin, and almost connected with it by the mem- brane. The skin is covered with minute bifurcated spines. The color is brown, marbled with lighter, especially before and behind the dorsals, and above the pectorals ; distant black dots are also scattered over the body. Three large ocelli or black spots, margined with light-brown, are on each side ; one at the middle of the basal half of the dorsal ; a second below, intermediate between it and the anus, and a third in the middle of the caudal tin. The floor of the mouth behind the tongue is black, with whitish-yellow radiating lines, while the tongue itself is light-brown, with darker radiating bands or spots. A single specimen of this species is in the collection of the Smithsonian In- stitution, and was probably obtained at Key West. Antennarius strigatus Gill. The anterior dorsal spine is very slender and filiform, without appendages ; the second is straight and moderate ; the third concealed and only developed as a hump, obtuse behind. The spines which cover the body are small and mostly bifid. The back and front of the dorsal fin are reddish ; the rest light-brown, with black stripes which diverge downwards above the pectorals, those in front being parallel with the profile, and at right angles with those behind. Around the pectoral fins and on the flanks, the streaks are generally blended to form a continuous black area. A black dorsal saddle is in front of the dorsal fin, and a black band covers the posterior half of the caudal fin. The abdomen is broadly reticulated with black, and the brown intervals themselves are fre- quently striated with the same color. The interior of the mouth is immacu- late. ("ape St. Lucas, (J. Xantus.) Two specimens. [Mar- NATURAL SCIENCES OF Til I LADELI> III A. 9o Enumeration of the ARCTIC PLANTS collected by Dr. I. I. Hayes in his Eiploration of Smith's Sound, between parallels 78th and 821, daring the months of July, August and beginning of September, 1861. BY E. DURAND, THOS. P. JAMES AND SAML. ASIIMEAD. Although the following enumeration does not contain any new plants, it is,, nevertheless, sufficiently interesting in other respects not to be passed un-' noticed. la a geographical point of view, it exhibits the peculiar regetation of the most northern portion of the globe as yet visited by civilized man, and illustrates several facts which are not devoid of interest. In his Arctic exploration, Dr. Hayes has been very active in collecting specimens in the different branches of Natural History, which he has liberally presented to the Philadelphia Academy of Natural Sciences. His botanical collection, which was placed in my hands, was not so numerous in species as that of his predecessor and former Arctic companion, Dr. Kane ; but the latter had collected along the whole western coast of Greenland, from 65 a upwards, whilst Dr. Hayes' collections have been confined to the limits of the 7Sth and 821 parallels, where, naturally, a greater scarcity of species was to be ex- pected. From those extreme Arctic latitudes, in which the thermometer of Fahren- heit scarcely ever reaches 55 J , with the ground continually frozen and mostly covered with snow, Dr. Hayes brought seeds, apparently in a perfect state of maturity ; and also some living roots, imbedded in their own rich soil, and carefully packed in boxes. Among those roots, with their somewhat withered stems, could be recognized Salix Arctica and S. kerbacea, Tqfieldia puhistris, and/2 munculus nivalis, large tufts of Andromeda tetragona,Armeria Labradorica, Sileneacaulis, &c. All these, at their arrival in Philadelphia, in the beginning of January, 1862, were entrusted to the care of our fellow-member, Mr. Kil- vington, a skilful horticulturist, who resorted to every means his experience and ingenuity could suggest, to insure their vegetation. Some of the seeds, those of the Crucifera especially, germinated well and put forth the primordial leaves ; the roots began early to show signs of vegeta- tion ; the buds of the willows enlarged, but never arrived at expansion. An- dromeda gave some hope of success, and Lycopodium annotinum and a species of Hyp mini resisted the longest. But as soon as the plants ceased being supplied with ice and snow, they began to droop and die, the one after the other, and, by the middle of April, not one of those Arctic denizens, except Hypnum, remained to enjoy the sweets of our Philadelphia spring. Another remarkable fact : The Arctic soil, in appearance so rich, in which the roots were imported, had been found to contain numerous seeds that had given expectations of a good harvest of hyperboreal plants. Mr. Kilvington carefully watched them, early in the spring. They were seen, gradually, to swell and burst, but no sign whatever of germination took place in them. Nor in the whole course of the summer and autumn to this day, has that ground produced a single plant germinated from the seeds that must inevitably have been disseminated over it from the neighboring plants in the garden. Incited by the apparent richness of that Arctic soil, Mr. Kilvington planted in it some species of Erica : but they, also, soon languished and would have died had they not been removed to a more genial ground. Evidently, that Arctic soil had become perfectly unproductive out of its ever-frozen zone ! E. D. 1*63.] 94 PROCEEDINGS OP THE ACADEMY OP PELEXOGAMOUS PLANTS. l. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15 16. 17. 18. 19. 28. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. BY E. BTEAXD. Ranunculus nivalis, Linn. Gale Point, July 29. Papaver nudieaule, Linn. P. alpinum, Linn. Every Station, July and Aug. Hesperis Pallasii, Ton: and Gr. H.pyffmxa,\^ etlik A Hook. / i e* Draba Alpina, DC. var. glabra. " " var, hispida, R. Br. " corymbosa, R. Br. " rupestris, R. Br, Vesicaria arctica, Richards. Cochlearia officinalis, Linn. Alsine (Arenaria) rubella, var. hirta, VahL Stellaria humifusa, Rottb. " stricta, Richards, Cerastium Alpinum, L. var. Fischeriunum, Torr. $ Gr. Silene acaulis, Linn. Lychnis apetala, Linn. " paueiflora, Fisch. Dryas octopetala, Linn. " integrifolia, Vahl* Potentilla nivea, var. pulchella. P. pul- chella, Hook, Potentilla nivea, var. hirsuta. Vahl. Alchemilla vulgaris, Linn. Saxifraga oppositifolia, Linn. '* ' flagellaris, Willd. 11 caispitosa, Linn. var. uniflora rivularis, Linn. tricuspidata, Retz. Port Foulke, July. it a Netlik, Aug. 4. (( u It u Cape Isabella, July 28. Netlik, Aug. 4. it u | Port Foulke, July 15. Netlik, Aug. 4. u u a 11 u (I a u cernua, Linn. | Port Foulke, July. ' J- Netlik, July and Aug. " July 12. Gale Point, &c, July and Aug. " u 97. " 23. Netlik, Aug. 4. Port Foulke, July 15. nivalis, Linn. Leontodon palustre, Linn. Campanula rotundifolia, Linn. folia, Gr. Vacciniuna uliginosum, Linn. Andromeda tetragona, Linn. var. lini-\ Netlik, Aug. 4. J- Tessuissak, Sept. 4. Netlik, Aug. 4. Port Foulke, July and Aug. Pyrola grandiflora, Raddi. P. Groenlandica, \ , . , Horn.f J i 1 Bartsia alpina, Linn. Pedicularis hirsuta, Linn.% Port Foulke, July and Aug. * I have no doubt of the correctness of Chainiso and Sehleehtendal's view, " that Dryas integri- folia is tin.' mure Arctic form of D. octopetala of Linnasus." Almost all the specimens of Dr. Hayes were with narrow, entire leaves, but scune exhibited the intermediary forms of both varieties, and a single one was a perfect specimen of Dryas octopetala. t Dr. Jos. D. Honker, in his ' Outlines of the Distribution of Arctic Plants," (Trans. Linn. Soc. Loud., Vol. xxiii.p. 2.) is perfectly right in suspecting Pyrola chloruntha of my PlantaeKaneanae to tie P. graiidiflora, Raddi. This 1 have ascertained to be the fact, on the better specimens brought by Dr. Hayes. X Pedicularis hirsuta, L. Was fairly represented both in Dr. Kane's and Dr. Hayes' collections. It appears to be much more common, in those hyperboreal regions, than either P. Langsdorjffii or my /'. Kaiiei. of which Dr. Kane brought only a single specimen, that has been submitted to Prof. Asa Gray. In his Enumeration of Dr. C. C. Parry's Plants of the Rocky Mountains, (Am. Jour. Sc., Vol. xxxiv,2d 6er. p, 251,; Dr. Gray expresses himself in the following words, with regard to some , [Mar. NATURAL SCIENCES OP PHILADELPHIA. !g 36. Arrneria vulgaris, Willd, var. A. Labrador- ica, Vahl. 37. Polygonum viviparum, Linn. 38. Oxyria digyna, Campd. 39. Empetrum rubruni, Willd. Spec. PI. Netlik, Aug. 4. 713. (A variety of E. nigrum ?) * 40. Betula nana, Linn, 41. Salix arctica, Linn. " herbacea, Linn, Tofieldia palustris, Linn Luzula campestris, yar. congesta,. Wahl. \ TegBmissak g ept _ 4 42 43 44 i. hyperborea, of Danish authors 45. Carex rigida, Good. 4G. Eriophorum vaginatum, Linn- 47. Alopecurus alpinus, Linn. 48. Glyceria arctica, Hook. 49. Poa arctica, R. Br. 50. Poa Yahliana, Bot. Dan. ? 51. Hierochloa borealis, Rocm 52. Festuca ovina, Linn. T. borealis, Vahl. Every Station, July and Aug. ' P' I Tessuissak, Sept. 4. Port Foulke, July 15. Every Station, July and Aug Port Foulke, July 15. Netlik. Aug. 4. Gale Point, July 27. Post Foulke, &c, July. 15 (Too young ) and Schl- Tessuissak, Sept. 4. CRYPTOGAMOUS PLANTS. LYCOrODIACE.E, 53. Lycopodium annotinum, Linn, Tessuissak, Sept.- 4. Musci and Lichenes were placed in the hands of Mr. Thos. P. James^ the excellent cryptogamist, who has returned them with the following note : "I return the Musci and Lichenes from Dr. Hayes' Arctic expedition. I have named them as best I could, from their imperfect condition , not a single fruiting specimen was to be found in the entire collection 1 This fact rendered their determination the more difficult. Several, which I could not determine,, may be new species, but they were not in a state clearly to be analyzed.*" MUSCL 61. Aulacoroium turgidum, Schw. BY THOS. P. JAMES. 62. 63. Bryum Duvallii, Voit. purpurascens, ? 54. Andra?a petrophila, Lhrh.9 64. u arcticum, Brid. Sch. 55. Barbula ruralis, Hedw, 65. u rutilans, Brid. $ Sch. 56. Orthotrichum affine, Schr. 66. cyclophyllum, Brid. Seh 57. Grimmia spiralis, Hook. # Tayl. 67. 4i crudum, Schr. ? 58. Racomitrinm lanuginosum, Brid. 68. a nutans, Schr. 59. Pogonatum alpinum, Brid. 69. ti palustre, Linn. 60. Polytrichum juniperinum, Hedw. 70. (i seneum, Blytt. Arctic Greenland species of Pedicularis : "P. Kami of Durand does not belong to P. Sudetica, as Dr. Hooker supposed, but to P. lanata, Willd. ; which again, contrary to Bentham and Hooker, I mast regard with Bunge as clearly different from hirsuta of Linuseus; it is much nearer another species which Dr. Hooker refers to Suddica, viz : Langsdorffii, with which it has been confused; but it is perfectly edeutulate. The teeth of the latter, however, are inflexed, and so 7nay escape observation. All these species are well discriminated by Bunge, in Ledebnur's Flora Possica. * Drupe red, stems apparently smaller and more decumbent than in E. nigrum, from which it does not otherwise differ. Dr. Kane's specimens belonged probably to the same form; but having no fruit on, I referred them, naturally, in my Plantie Kaneanne, to Empetrum nigrum. It is a remarkable fact of geographical botany, that this red-fruited species, originally found on the shores of the Strait of Magellan, should appear again at the opposite extremity of the American continent. Messrs. LaPylaieaud Tuckerman met with it in Newfoundland, and, quite lately. Abbe Ferland, a Cathmlic missionary of the Laval University of Quebec, found it likewise on the coant of Labrador, together with Empetrum nigrum. 1863.] 9G PROCEEDINGS OF THE ACADEMY OF 71, 74. 75. 76. 77. 78. 79. 80. 81. Mnium affine, var. rugieum, Bland. " rostratum, Schw. Meersia Albrotinii, ? Bartramia, an., calcarese. Conostonmm boreale, Sivartz. Splachnum Worniskioldii, Brid. " vasculosum, Linn. Hypnum uncinatum, Hedw. " aduncura, Linn. " oligorrhizon, Brid. 7 lines, $ 8 lines : of tail, ^ 13 lines, $ 12 lines. Hab. Lower California. Smithsonian Museum. B. HIRSUTUS. B. brunneus ; palpi, pedibus caudaque dilute aurantiacis, longe pilosis ; cephalothorace lato, margine antico non solum baud emarginato sed etiam convexo ; oculis lateralibus in serie valde curvata dispositis ; palpibus crassi- bus, marginibus nonnihil crenulatis ; manibus modice tumidis, obsolete sep- templicatis, marginibus posticis anticisque tuberculatis ; digitis valde elongatis, robustis, curvatis, obsoletissime plicatis ; pectinis dentibus 25 30 ; abdomine nonnihil laeve, haud carinato ; spiculo sine spinulo basali. The common tint of the dorsum is a very dark reddish-brown, but it varies greatly, in some specimens being as light as the legs, in others even olive. In the typical pattern, whilst the penultimate caudal segment is of the same reddish-brown as the body, the terminal is very light. The cephalothorax is broad, and has its surface minutely granulate. The median furrow is strongly pronounced, and is intersected by three transverse crosses. The most anterior of these crosses is at the position of the median ocelli ; the most posterior just in front of the hinder margin. Rarely these are somewhat obsolete, and some- times tbey are slightly oblique. The opposing edges of the fingers are armed with obliquely longitudinal imbricated rows of small teeth, with a series of larger distant ones on each side. The surfaces of the abdominal scuta are quite smooth, but their posterior borders are tuberculate. Anteriorly they are impressed with two crescentic linear furrows. The legs are compressed and hairy ; their edges are more or less crenulate. The tail is long, massive, rough and very hairy. At the proximal end of each of the first four joints, there is a pair of broad, thin, minutely denticulate articular processes. On the distal extremity of the fourth there is a nondenticulate pair. The su- perior, supero and median lateral crests of the first four articles are strongly but irregularly crenate. The median is evanescent, on each, anteriorly. The inferior and infero-lateral ridges are smooth on the two anterior joints, on the third they are slightly, on the fourth distinctly crenate. The supero and me- dian lateral crests of the penultimate segment are strongly crenulate ; the infero lateral and median inferior strongly denticulate. The last joint is short, swollen and very hairy. Its articular processes are large, but not dentate. Its superior surface is triangular, smooth and complanate, or even depressed ; its inferior is tuberculate, and traversed by two grooves on each side. [April, NATURAL SCIENCES OF PHILADELPHIA. 109 Length of body, 1 5-8 inches : of tail, 2 5-S inches. Hab. Lower California. J. Xantus de Vesey. Smithsonian Museum. B. EJIARGINATICEPS. B. olivaceo-fulvus ; palpi, pedibus caudaque longe pilosis ; cephalo- tborace antico late et profundissime emarginato, sed alibi, B. hirsuti illo simillimo ; palpibus crassibus ; marginibus nonnihil crenulatis ; manibus modice tumidis, obsolete septemplicatis, marginibus anticis posticisque tuber- culatis ; pectinis dentibus 30 ; abiomiue nonuib.il lcevi, medio baud carinato ; spiculo sine spinulo basali. Tbe color of our single specimen is an olive-yellow tint, witb a very dark crescentic blotcb at the position of the median eyes. But in this pattern it does not differ from some individuals of the preceding species. The cephala- thorax differs from that of B. hirmtus only in one character : In its anterior border is a very large emargination, which reaches about one-third of the dis- tance to the melian eyes. The abdomen is precisely like the preceding species. The tail is perhaps a little less massive. But it also so closely re- sembles that of B. hirsutus the description of one will answer for the other. Length of body, 1 5-8 inches : of tail, 2 5-8 inches. Lower California. J. Xantus de Vesey. Smithsonian Museum. B. EtTSTHEXURA. B. aurantiaco-brunneus ; dorso tuberculis minimis asperato ; cepbalotho- race hand emarginato, medio canaliculato ; oculis lateralibus utrinque in serie curvata dispositis ; palpi gracilibus longis, longe sparse pilosis ; manibus parvis, baud tumidis, subcylindraceis ; cauda modice longa, percrassa ; spi- culo brevissimo, valde curvato, sine spinulo basali ; pectinis dentibus fere 17. The surface of the cephalothorax is rough and uneven. The hands are very small and smooth, with some traces of the eight facets so distinct in E. punctipalpi. The fingers are about as long as the hand, rather slender, with their opposing margins armed with a row of very sharp, minute teeth, and much larger ones placed at intervals on one side of their distal portion. The legs are somewhat compressed ; very long and slender. The tail, when com- pared with the boly, is very heavy. On the first four joints the superior and supero lateral crests are alone serrulate. The superior terminates in a spine, feebly pronounced on the fourth article. The inferior and infero lateral crests are distinct, but not crenulate. The penultimate segment has well-marked, but not crenate, supero and infero lateral ridges, besides a single median infe- rior and median lateral on their proximal portion. The terminal joint resembles that of B. punctipalpi, but is much larger and thicker, and not so prolonged posteriorly. Sternal plate pentangular. Length of body, $ 7 lines : of tail, tf 13 lines. Hob. Cape St. Lucas. J. Xantus de Vesey. Smithsonian Museum. B. PUNCTIPALPI. B. aurantiaco-brunneus ; dorso tuberculis minimis asperato ; cephalothorace medio canaliculato, antico nonnihil emarginato ; palpi dense minutissime punctatis, nonnihil robustis ; manibus magnis, tumidis, octo faciebus indis- tincte instructis ? cauda modice longa et crasse ; articulo penultimo longo, ultimo parvo, supra complanato ; spiculo gracillimo, valde elongato, gradatim curvato, sine spinulo basali ; pectinis dentibus fere 20. All of our specimens are immaculate ; some of them shade off in color to- wards an olive. The lateral eyes, three in number, are generally arranged in a slightly, but occasionally in a strongly curved line. The cephalothorax, and, indeed, the whole dorsum is roughened by very numerous minute tuber- cles. The scuta are more or less distinctly medianly keeled. The joints of the palpi are irregularly parallelopipedal, with their margins mostly well- 1863.] 110 PROCEEDINGS OF THE ACADEMY OP defined and crenulate. The second joint has on its anterior face one or two crenate ridges ; its posterior margin is rounded off. The hands are large, and have only their superior and inferior edges distinctly crenate. The fingers are robust and moderately long, with their opposing margins armed with a single row of teeth, with larger ones at regular intervals on one side of their distal portion. The feet are compressed. The tail is rather robust. The first three joints have their superior and supero lateral ridges sharply serrate, and terminating posteriorly in a spine. In the fourth they are the same, except that the terminal spinule of the supero-lateral crest is wanting. The first four joints have infero lateral and inferior crests, the former mostly distinctly, the latter indistinctly (excepting on the posterior segment) serrulate. The penultimate articulation is long, and armed with distinctly serrulate supero- lateral, infero-lateral crests, as well as a single median inferior; and on its an- terior half, central lateral ridges. Its form is that of a parallelopipedon thinned at its two extremities. The superior surface of the last joint is trian- gular and complanate ; the inferior is convex. The sting is very long, slender, and gracefully curved. The sternal plate is pentangular. Length of body, tf 10 lines, $> 12 lines: of tail, tf 16 lines, $ 14 lines. Hah. Cape St. Lucas. J. Xantus de Vesey. Smithsonian Museum. B. SPIMGERtrS. B. dilute olivaceo-fulvus, fusco vitatus ; cephalothorace antico hand emargi- nato, medio canaliculato ; oculis lateralibus in serie curvata positis ; palpi modice robustis, marginibus valde crenulatis ; manibus nonnihil tumidis, lineis elevatis obsoletis ; digitis nonnihil elongatis, modice curvatis, margini- bus opponentibus et dentatis et crenulatis ; abdominibus mediis nonnihil carinatis ; cauda modice breve, robustissima, lineis elevatis denticulatis ; spi- culo sine spinulo basali ; pectinis dentibus 20 25. The color of this species varies ; generally each abdominal plate has a dark brown v or w shaped marking, forming a continuous stripe on each side. This is obsolete on the cephalothorax. But this distinctness of pattern is often lost, and the whole body involved in an olive-brown tint. The palpi closely resemble those of B. boteus, but have the hand not so large, and the facets and elevated lines not so strongly pronounced. The opposing margins of the fingers resemble those of that species in their armature, but want the wavy outline. On each side of the abdominal median line are numerous small black tubercles, so arranged as to form more or less prominent ridges. There is also a series of these on the posterior border of each of the abdominal scuta. The legs and tail are of a dirty yellow color. The anterior four caudal joints are short and very robust, the breadth of the first three often equalling their length. These four joints are provided with denticulate superior and supero- lateral crests. In the anterior three these are of nearly the same length, and terminate distally in a small spine. In the fourth, the dorsal is only two- thirds the length of the other raised line, and the joint is then scooped out to the level of the latter, which does not end in a spine. On the first four articulations the middle lateral crests are almost entirely obsolete. On the fifth they are more strongly pronounced. This joint is much more elongate than the others. Its supero-lateral crests are not so strongly denticulate as those of the others, and have no spine at their distal extremity. The in- fero-lateral and inferior crest exist on the first four joints as four black, oc- casionally somewhat obsolete, ridges, but are not crenulate. On the fifth both the inferior-lateral and the single median-inferior crests are denticulate. The sixth caudal joint is somewhat ovate, flattened above, and without ridges. On the lower surface there exists a faint mesial groove. The sting is slender and strongly curved. Length of body, tf 9 one i ncn > f * a ^> ? one inch, two lines ; $ one inch, four lines. Hab. Texas. Smithsonian Museum. [April, NATURAL SCIENCES OF PHILADELPHIA. Ill CENTRURUS PnAIODACTYLUS. C. brunneo-fulvus; cephalothorace sparse puactato, medio leviter canaliculato, antico et abbreviate et rotundato et nonnihil emarginato, postico transversa sulcato ; manibus caudaque venuste politis et pedibus nonnihil pilosis; palpi robustis, angulis vel valde crenulatis vel denticulatis, articuli tertii superficie antica spinulo unico (interdum duobus) ; manibus valdissime tumidis, longis, indistincte octoplicatis ; digitis latis, robustissimis, modice brevibus, curvatis, marginibus opponentibm acute denticulatis ; pedibus flavis ; abdomine laeve ; cauda breve, cristis superioribus obsoletis, superficie superi- ore nonnihil minute granulata ; articulo quarto baud carinato ; articulo ultimo maxinio, spiculo parvo sine spinulo basali ; pectinis dentibus 7-9. The cephalothorax is not produced as far anteriorly as is commonly the case. It is impressed with a faint transverse groove at the position of the median ocelli, and with another, more distinctly defined, on its posterior third. These channels separate three pairs of slightly pronounced elevations, which successively decrease in size from the first. The first joint of the palpi has all of its margins armed with distinct obtuse denticules, excepting only the postero-inferior, which is rounded and concave, and crenate only on its proximal third. The third article is much larger than the second, and has only its anterior margins crenate. Its posterior surface, as well as that of the hand, is sparsely and irregularly punctate. The anterior aspect of the hand is minutely tuberculate. The first joint of the mandibles is very long, almost always extending as far forward as the cephalothorax, and often much beyond it. The distal portion of these organs, with the "pincers," is black. The median eyes are placed upon a single black elevation in the middle third of the cephalothorax. The first two lateral ocelli are somewhat smaller than the median ; the third is much smaller ; the fourth is at right angles to the third, and is still less. The three anterior joints of the tail are short and rather broad. Their superior crests are entirely, and their supero-lateral al- most, obsolete ; their inferior and infero-lateral are well-marked and broadly crenate. All of the ridges of the fourth segment are obsolete. The penulti- mate joint is elongate and slender. Its lower surface is rough, and has two strongly, but obtusely denticulate infero-lateral, and a single, median-inferior crest. The last segment is immensely swollen. Its distal portion is sud- denly and very strongly contracted, and then inflated slightly again, so as to form a knob, as it were, on the base of the sting. Length of body, 1 inches ; of tail, 1 inches. Hub. Utah Territory. Smithsonian Museum. M. McCarthy, Esq. Phrtnps asperatipes. P. dilute aurantiacus saturate rubido-brunneo maculatus ; cephalothorace lato, reniforme, abdomineque tuberculis parvis sparsis et granulatis minutis numerosis asperatis ; palpi magnis latis, nonnihil semi-cylindriaceis ; arti- culi secundi superficie antica et spinulis parvis numerosis et uno vel duobus majoribus armata ; articuli tertii margine superiore spinis 4, inferiore spinia 5 ; articuli tertio quartique superficiebus posticis tuberculis parvis spinosis in seriebus rectis dispositis armatis ; illius margine superiore ulterius spinis maximis 3 et 2-3 modicis instructo ; margine inferiore spinis magnis 2 et 2-3 parvis armato ; articulo quinto spina maxima unica et spinulis modicia duobus instructo ; femoribus tuberculis spinosis numerosis asperatis. The color of our single specimen is a very light orange. The cephalothorax has a median longitudinal sulcus distinct anteriorly, but evanescent posteri- orly. A short distance behind the centre of the cephalothorax is a well-defined transverse groove, extending nearly across one-third of its breadth. Posterior to this, and connected with it by the median sulcus (here very well marked), is a transverse furrow similar to the other, but only about one-third its length. 1863.] 112 PROCEEDINGS OP THE ACADEMY OF The three sulci are of a dark-brown tint. Besides these, there are on each side of the cephalathorax four dark, but more or less obsolete grooves. At the posi- tion of the lateral eyes on each side there exists a dark-brown spot, and between them and the anterior transverse groove is a pair of similarly colored round de- pressions. The maxillary palpi are of a more decided orange than the body. The second joint has its anterior face armed with eight or ten very small spines or spinous tubercles, and one or two larger ones. The spines on the lower margin of the third joint are longer than those on the upper. On each, the two nearest the body are much larger and more closely approximated than the others. Between the margins are a few very small spinules. The spinous tubercles on the upper portion of the posterior surface are more numerous than those on the lower. The fourth joint is dilated superiorly in its distal portion : where on the upper margin are placed three very long acute spines, with two or three much smaller ones. The lower margin has five spines, three of them being much smaller than the other two. The moveable finger is very long and acute. The upper surface of the abdomen has along the mesial line a double row of dark- brown spots, and on either side a series of blotches of the same color, one on each scutum. The legs and sides of the abdomen are very rough. The under surface of the abdomen is smooth. Huh. Lower California. Smithsonian Museum. J. Xantus de Vesv. May bth. The President, Mr. Lea, in the Chair. Twenty members present. The following paper was presented for publication : On the Lestris Richardsoni, etc. By Elliott Coues, M. D. May 12th. The President, Mr. Lea, in the Chair. Sixteen members present. The following papers were presented for publication : Synopsis of the Marine Invertebrata collected by the late Arctic Expedition under Dr. 1. 1. Hayes. By Win. Stimpson. Descriptions of the soft parts and embryonic forms of one hundred and forty-three species of Unionidse of the United States. By Isaac Lea. New Exotic Unionidae. By Isaac Lea. May 19 th. Mr. Vaux, Vice-President, in the Chair. Twenty members present. The Secretary announced the death on the 3d inst., of Col. Mark W. Ccllet, M. D., aged 36, late a member of the Academy. The following papers were presented for publication : Contributions towards a Monography of the Pholadacea, etc., No. 2 By Geo. W. Tryon, Jr. [May, NATURAL SCIENCES OF PHILADELPHIA. 113 Descriptions of new species of Fresh Water Mollusca, from Panama. By Geo. W. Tryon, Jr. Description of a new Exotic Melania. By G. W. Tryon, Jr. Descriptions of new species of fresh water Mollusca, &c. By Geo. W. Tryon, Jr. Notes on the Birds of Jamaica. By W. T. March, with remarks, by S. F. Baird. On a third kingdom of organized bodies. By T. B. Wilson, M. D., and John Cassin. Descriptions of fourteen new species of Melanidoe and one Paludina. By Isaac Lea. May 2Qth. The President, Mr Lea, in the Chair. Nineteen members present. On Report of the respective committees, the two papers of Mr. Lea, read May 12th, were ordered to be published in the Journal, and the following were ordered to be published in the Proceedings : On a Third Kingdom of Organized Beings. BY THOMAS B. WILSON, M. D., AND JOHN CASSIN. The classification of the lower forms of organized beings, on the assumption that they ought to be assigned to either the animal or the vegetable kingdom, has presented difficulties to naturalists which have proved insurmountable. The position of entire groups remains, apparently, as uncertain and undeter- mined in this respect as it ever was, and the conclusions and opinions of authors are so various that it is palpable that no considerable approach has been made to the solution of the questions involved, notwithstanding much very careful and accurate investigation and patient research. The difficulty probably originates in the first assumption, that all organized or living beings are referable to two great groups only, an assumption and presupposition of almost universal prevalence, but in which men of science seem to have been contented to adopt popular belief and to accept the usual and popular appli- cation of language. There are, very probably, three kingdoms or great pri- mary groups of organized beings, as distinct from each other as any subordi- nate groups and as readily defined by valid and recognizable characters. Whatever may be the solution, ultimately, of the very important questions relating to the primary, and at present unknown, principles under which the normal and inherent forces of Nature first assume that mysterious tension or condition, of which life is the immediate result, it is evident and unmistaka- ble that this extraordinary tension manifests itself and operates under such controlling laws that its results are determinate and uniform. Taking on themselves isolation from the great mass of inorganic Nature, though tempo- rarily only, these forces assume developments which are circumscribed and specific, though evidently progressive and modified under circumstances coin- cident with and dependent upon the laws or conditions of existence of organic life in any geologic period. It has hitherto been assumed, apparently, that from a point of the first manifestation of life, its progress of evolution or de- velopment is into two series or great classes of existences, animal and vege- table, or perhaps into one series only, according to the hypotheses of the older authors, regarded as the chain of being, from the lowest vegetable to 1863.] 9 114: PROCEEDINGS OF THE ACADEMY OP the highest animal. In our opinion it may be demonstrable, that the first assumption of life manifests itself in objects constituting a primary great class or kingdom of more simple organization than either the animal or vege- table kingdom, and possessing also an equally characteristic specialization in its structure and functions. The consideration of the question of determinable characters on the assump- tion of the existence of two primary divisions or kingdoms only may now safely be regarded as exhausted, without conclusive result or an approxima- tion to such, sufficient even to obtain general adoption temporarily as a pro- bable antecedent hypothesis, awaiting demonstration. Much has been at- tempted and numerous propositions and theoretical definitions have been thoroughly canvassed, to the end only of showing their insufficiency. Volun- tary motion and permanent fixedness, the presence or absence of nitrogen, internal or external stimuli, the differences in the method and substances of nutrition, and many other problems have, in their attempted solution, failed to give the desired formula, and there are those who may be presumed to be well acquainted with all the researches touching questions here alluded to, who infer summarily that there is no difference radically, or in the lowest forms of organization in the two kingdoms Animalia and Vegetabilia, as al- most universally supposed to be constituted. As an example, we cite the distinguished botanist Professor Lindley, of London, who says, in the Intro- duction to his standard and well known work on the Natural System of Bo- tany, " Plants are not separable from animals by any absolute character, the simplest individuals of either kingdom not being distinguishable by our senses," (p. 15, New York, 1S31). Of a somewhat similar tenor, but with an implication more in accordance with our views on this hitherto intricate subject, is an observation by Professor Owen, of the British Museum : " No- thing seems easier than to distinguish a plant from an animal, and in common practice, as regards the more obvious members of both kingdoms, no distinc- tion is easier ; yet, as the knowledge of their nature has advanced, the diffi- culty of defining them has increased, and seems now to be insuperable." (Hunterian Lectures, p. 2, London, 1855.) Inthe higher developments of the animal and vegetable kingdoms there is truly the utmost possible readiness of distinction, and this great facility seems to have led to an inference that the same readiness and facility ought to pre- vail throughout the two supposed kingdoms. "At first sight," says Professor Van der Hoeven, "it seems easy to distinguish an animal from a plant, and even the most unskilled person thinks he has a clear notion of the difference. Yet it is just his want of knowledge that causes the difference to appear so prominent, whilst he overlooks the intermediate links, and thinks, for in- stance, of a dog and a pear tree," (Handbook of Zoology, i. p. 4, Cambridge, 1856). We do by no means admit, however, that the principle here implied and apparently involved, which seems to be that the higher groups of any grade, whether kingdoms or other, are more easily recognizable and definable than the lower, is correct. The truth is, very probably, that the lower forms in all groups, are, at least, as readily to be assigned to their proper positions in the natural system as the higher ; possibly more so, in some instances. In the two kingdoms, Animalia and Vegetabilia, there is no difficulty with forms properly belonging to either of them, and of either high or low grade of development. The difficulty and, in fact, impossibility hitherto has been with organizations inferior to both, and properly belonging to neither. Though in an early zoological epoch the corals and other groups may have been regarded as of doubtful status, there is at present no group in either the animal or vegetable kingdom, rightly defined, which, in our opinion, presents any doubt or difficulty in its being assigned to either one or the other, and, probably, very generally, nearly correctly according to its actual or relative rharacters and its affinities. [May, NATURAL SCIENCES OF PHILADELPHIA. 115 There are clearly recognizable characters distinguishing the two primary divisions, or first duality of natural productions, organic and inorganic bodies, or, as Linnaeus judiciously terms them, corpora organisata and corpora con- pesta, and all the subordinate groups and species of either, necessarily possess characters in common, though exhibiting themselves in degrees of modifica- tions vastly diversified and numerous. In the former, or great organic di- vision, the definition of the common characters are of course implied in the term organic, and on the degrees and modifications of organization, whether indicating what may be termed higher or lower development ; whether clearly marking or only obscurely indicating inferior groups of whatever grade or value ; or whether presenting very prominent or very obscure modifications, with or without apparent object or relations on these degrees or modifica- tions of organization or structure rest all classification, and all the great pri- mary facts of independent existences, as presented to the human faculties, whether of observation or reason. We hold it to be altogether probable, and perhaps demonstrable, that all groups, of whatever grade or position, possess positive or relative characters dependent on, and exponating their degree of organization, and which characters absolutely establish and advertise then- status in Nature. We hold, too, that all such groups admit of description, and equally absolute or relative definition in language. Such is, and has always been, the practical faith of naturalists, whatever their theories, the accuracy of their observations, the extent and precision of their knowledge, or their deficiencies in either, and this faith is very probably quite truthful, and immutably founded on one important aspect of the relations of the ex- ternal universe to the human mind, mutually questioning and responding, calling to each other and answering gladly, as it were, like an echo. All the processes of naturalists, systematic or descriptive, are based on the assump- tion of the practicability of definition, and of groups, and of species alike. Any other course, or any other assumption, would be assuredly unreasonable and illogical, and destructive to the advancement of knowledge and of science. " We must trust the perfection of the Creation so far," says a distinguished author, " as to believe that whatever curiosity the order of things has awak- ened in our minds, the order of things can satisfy." (Nature, an Essay, by R. W. Emerson.) The organization of all beings, of which life is the essential character, seems to present three very distinct grades or specializations of development, and ap- parently indicates a classification based on such specialized development or the characteristic organs and functions of each grade. In our opinion the specialized organs and functions in each of these grades of development present sufficient and exclusive characters, admitting of being defined and applied readily as the real characteristics of three great primary di- visions or kingdoms of Nature. The term, specialized, has been used by Professor Owen with reference to the two kingdoms, Animal and Vegetable, and in nearly the same sense that it is used by us. He says, most truly : ''But the two divisions of organisms, called 'plants' and 'animals,' are specialized members of the great natural group of living things." (Palaeon- tology, p. 4.) The three great groups which we hold to be the primary di- visions or kingdoms of organic life, present, essentially as characters or spe- cializations of development, the prominence, or dominant prevalence of the Reproductive System, the Nutritive System and the Nervous System and their functions. The organs and corresponding functions which seem to characterize these three kingdoms, and to become specialized and dominant in the organization of each, are as follows : 1. Organs for the continuation of the species, the function of which is Re- production. 1863.] 116 PROCEEDINGS OF THE ACADEMY OP 2. Organs for the preservation of the individual, the function of which is Nutrition. 3. Organs for external relations and self-consciousness, the function of which is Sensation. The Reproductive and Nutritive functions are common to all organized beings, and so, probably, also is the Sentient function, though manifesting itself only in an incipient or rudimentary manner. The Reproductive func- tion, however, beginning with mere cellular conjugation, becomes specialized first in a great group of organized beings of more simple structure than either Vegetables or Animals, which we regard as eminently and demonstrably a primary division or kingdom, and apply to it the name Primalia. In this kingdom organs of Reproduction are temporarily formed, and no other. In the Vegetabilia, those organs become of greatly increased importance, though not permanent, and in the Animalia they present a still higher organization , and in the higher sub-kingdoms attain permanency of structure. The Nutritive function, beginning also in the cellular structure of our king- dom Primalia, is in that group quite rudimentary, so far as relates to spe- cialization of organs, but in the kingdom Vegetabilia, this function and the organs performing it, especially the organs of respiration and circulation, be- come specialized and assume an extraordinary degree of development. As- cending to the kingdom Animalia, the organs of Nutrition become more numerous and more highly organized in their structure, but the organs of Respiration are not developed to such extent as in the Vegetabilia. That the Sentient function is also common to all organized bodies is pre- sumable, or to be inferred only, from the fact that it is manifested in greater or less degree in the two first kingdoms, Primalia and Vegetabilia, in sensi- bility to light, to thermal or to meteorological influences, and occasionally to other external influences. It i9, however, generally held by Anatomists, but not without exception, that no organs of sensation are demonstrable in either our group, Primalia, or in the Vegetabilia. In the kingdom Animalia, and in that kingdom only, these organs are palpably most highly developed and specialized in the Nervous System. We recapitulate our views in the form of a corollary : 1. The Reproductive organs are first specialized in the kingdom Primalia. 2. The Nutritive organs are first specialized in the kingdom Vegetabilia. 3. The Sentient organs are first specialized in the kingdom Animalia. The possession of an organization exclusively providing for Nutrition and Reproduction characterizes the first and most simple forms of life. This or- ganization for Nutrition and Reproduction, and these functions only, is the especial character of the first of the three primary divisions or kingdoms of organized beings, the kingdom which we have named Primalia. In that group there are no other organs than those performing the function of Re- production, and the structure is exclusively cellular without vascularity ; or, perhaps it may be more properly stated to consist of mere unicellular ag- gregation. The possession of organs for, and the first development of the function of Reproduction is the specialization of this kingdom. The next great division or kingdom is marked by the high development of the organs performing the functions of Nutrition and the superposition or superaddition of organs providing for the co-operative or identical functions of Respiration and Circulation. The possession of organs providing for Nu- trition and Reproduction, Respiration and Circulation, and these only, char- acterizes the great group of Vegetables or kingdom Vegetabilia. In this group the vascular structure appears for the first time and continues to characterize it in all its modifications. The possession of organs for performance of the function of Nutrition in its highest development is the specialization of the kingdom Vegetabilia. The last or most highly organized kingdom presents an exclusive and pecu- [May, NATURAL SCIENCES OP PHILADELPHIA. 117 Mar character in the nervous system and its sphere of functions, embracing all the operations and relations of the senses and of the muscular system, super- added to the organs and the functions of the two preceding groups. The pos- session of organs for Nutrition and Reproduction, Circulation and Respiration, and for Sentiency, Voluntary motion, and all other functions and relations of the Nervous System, characterizes the great kingdom Animalia, Its specializa- tions is the possession of and the high development of the Nervous System. In imitation of the Liunaean formula these three kingdoms may be charac- terized as follows : Animalia, corpora organisita, generantia, spirantia et sentientia. Vegetabilia, corpora organisita, generantia, spirantia, non sentientia, Primalia, corpora organisita, generantia, non spirantia, nee sentientia. As above intimated, the difficulty in the hitherto attempted definitions and in the systematic arrangement of the kingdoms Animalia and Vegetabilia, on the antecedent supposition that these two kingdoms ought to include all or- ganisms that now exist, or have ever existed, has arisen from the impossibility of incorporating indisputably into either, many of those belonging to our third kingdom, Primalia. It is composed of orders and classes of existences, of which some have been very generally assigned to the Animal, and others to the Vegetable kingdom ; and others again which have been variously and doubtfully regarded as belonging to one or the other. All organisms included in this kingdom are of cellular structure only, and possess the functions of Nutrition and Reproduction, as above defined, and no other; and all the groups properly of this kingdom are, in our opinion, readily demonstrable, as having a greater degree of relationship to each other than to any groups whatever in the other two kingdoms. This circumstance is held, very properly, as of the first importance in all classifications. With this first, but quite inde- pendent great group recognized and understood, there is, very probably, no difficulty whatever in readily defining not only the three great groups of or- ganized beings, existing in Nature, but all subordinate groups belonging to either. We regard our third group as a Kingdom, and of the same rank or grade in classification as the two great groups which are universally admitted by naturalists under that designation. It is now a matter of common information to men of science that all organ- ized existences are composed of, and resolvable ultimately, by anatomical and microscopical analysis, into cells, and that the cellular structure prevails as a primary form or basis of organization alike in the most simple and in the most complicated organisms. Those cells seem to be the very first forms of organization and life, and possess a singularly independent vitality and power of increase or reproduction, whether isolated, or nearly so, or existing in any amount or form of aggregation in the higher vegetables or animals. They seem to be even capable of assuming, or re-assuming, individual and inde- pendent existence after having been previously and originally merged or ag- gregated in the vascular structure of the two higher kingdoms, Vegetabilia and Animalia, as well as in the lower non-vascular kingdom, Primalia. This seems to be the case in what are termed animal and vegetable infusions. The organisms constituting the kingdom Primalia are essentially to be re- garded as aggregations of cells entirely capable of nutrition and propagation, or increase, but without any part of their structure being traceable as vascu- lar in any degree. These organisms are the primary forms of life and organ- ization, and have not the distinctive characters or "super-additions," as termed by Professor Owen, of London, of either plants or animals. " When a certain number of characters concur in tLe same organism," says that learned gen- tleman, " its title to be regarded as a ' plant,' or an ' animal,' may be readily and indubitably recognized ; but there are very numerous living beings, es- pecially those that retain the form of nucleated cells, which manifest the common organic characters, but without the distinctive superadditions of either 1863.] 113 PROCEEDINGS OF THE ACADEMY OF kingdom. Such organisms are the Diatomacece, Desmidea, Protococci, Volvo- cince, Vibriones, Astasias, Thalassicolce and Sponr/ice, all of which retain the character of the organized fundamental cell, with comparatively little change or superaddition." (Hunterian Lectures, p. 8, London, 1855.) It is, in our opinion, quite expedient and reasonable to inquire whether either of the groups here mentioned, or any other, can possibly belong to the Animal or Vegetable Kingdom, without possessing " the distinctive superad- ditions of either." The indication in our opinion, is quite clear that these groups really do not belong to either, but t a third kingdom, not possessing, and definable without, those superadditions, and which we have above desig- nated. In his "Palaeontology," a work of later date than that just quoted, Professor Owen seems to have finally conclnded that the forms mentioned in the above citation do not belong to either of the kingdoms Animalia or Vegetabilia, and consequently he groups them into a kingdom for which he adopts the name Protozoa, (from Professor Goldfuss, Handbuch der Zool- ogie I. p xi. Nurnberg, 1820,) and says, "But the two divisions of organisms called ' plants,' and ' animals,' are specialized members of the great natural group of living things, and there are numerous beings, mostly of minute size, and retaining the forms of nucleated cells, which manifest the common or- ganic character, but without the distinctive superadditions of true plants or auimals. Such organisms are called ' Protozoa,' and include the Sponges or Amorphozoa, the Foraminifera or Rhizopods, Polycystineae, the Diatomace \ Desmidiee, GregarincB, and most of the so-called Poh/gastria, of Ehrenberg, or infusorial animalcules of older authors." (Palaeontology, p. 4, and Index, p. v.) The very appropriate term Protozoa is admissible for the group designated by Professor Owen, though the group or kingdom is very much restricted by him, and different from the group defined by Professor Goldfuss, and of en- tirely different grade or value. The latter learned naturalist divides all or- ganized beings into two sections, which he does not name, but which are the same as the divisions now well known as the Vertebrata and Invertebrata of Cuvier. He arranges the whole into eleven classes, of which Protozoa is the first, and Mammalia the eleventh class. The division of the class Protozoa is into four orders, Infusoria, Pkytozoa, Lithozoa and Medusince, which embrace sixteen families, or four families each, and include in the aggregate what must now be regarded as a very heterogeneous group, properly to be dis- tributed into all three of the organized kingdoms. The Protozoa are regarded by Professor Goldfuss as true animals. Professor Owen adopts the name for his group as restricted, quite properly, acccording to the usages of naturalists, the whole of it having been previously included in his class Protozoa by Pro- fessor Goldfuss. We have been thus particular in alluding to the term Protozoa, admitting its excellence, and willing to express freely our regret that we do not consider it proper to adopt it as the name of our first kingdom, on account of its having been applied originally to a group very different in all particulars. The king- dom now proposed by us, and which, in our opinion, is a natural and primary division, is composed of the following inferior groups : 1. Kingdom Primalia. 1. Sub Kingdom Algae. 2. ' ' Lichenes. 3. " Fungi. 4. " Spongiae. 5. " Conjugata. All of these groups are composed of organisms which are non-vascular and without organs of Respiration or Circulation ; and the kingdom Primalia con- tains all such organisms known to exist in Nature. But a comparatively small number of those belonging to our group Primalia are arranged by Professor Goldfuss in his Class Protozoa, but we regard it as containing the whole of the [May, NATURAL SCIENCES OF PHILADELPHIA. 110 Kingdom Protozoa of Professor Owen, and other large groups, as above desig- nated. The evident and insurmountable difficulty in arranging well known groups of inferior organization on the preconceived idea of the existence of two king- doms only, and that tho-e inferior groups must belong to one or the other, has led several naturalists into suggestions and propositions relating to a third kingdom, or other group of high grade. Usually, and, in fact, in nearly all instances, those suggestions take the form of mere intimations, or rather doubtfully expressed opinions that a third group is possible, and in the large majority of cases the intimation relates to the supposed existence of forms and groups intermediate between animals and vegetables. Occasionally doubts are clearly stated as to the propriety of regarding some specified forms as be- longing to either of the two great groups commonly received, and in a few cases the division of organized nature into three great primary groups, or kingdoms, has been proposed and presented in detail. The proposition of M. Bory de Saint Vincent is one of the most clearly de- fined. That distinguished naturalist, in " Dictionnaire Classique D'Histoire Naturelle," (vol. viii. p. 2-16,)* establishes an additional intermediate king- dom which he denominates " Regne Psychodiaire," and gives his conclusions on the existence of this third, but intermediate, kingdom in a very lucid and satisfactory manner, and with entirely judicious and proper minuteness of detail on such an important proposition. His views are mainly based on the fact that some organisms assume, at periods or stages of their existence, characters of both animals and vegetables, or, as he expresses himself, even of animals and minerals. He says : " Tous ces etres qui sont a la fois, des Animaux, des Plantes ou des Mineraux, et qui ne peuvent consequemment rentrer d'une maniere exclusive dans l'uu des trois regnes adoptes jusqu'ici, ne doivent-ils pas former un regne nouveau dont plusieurs naturalistes out deja reclame l'etablissement, et que nous avons le premier propose de fonder sous le nom de Psychodiaire." In volume xiv. of the same work, (Dictionnaire Clas- sique,) M. de Saint Vincent fully defines and expresses his conclusions in re- lation to his proposed new kingdom, (p. 329). He divides it into three classes, to which he applies the names " les Ichnozoaires, les Phytozoaires et les Litho- zoaries," the first of which groups embraces "les Polypes nus de Cuvier," and the second and third, the groups of organisms previously known as Zoophytes and Lithophytes as his proposed names indicate. Mainly the king- dom Psychodiaire of M. de Saint Vincent is identical with the Class Protozoa, of Prof. Goldfuss and subsequent authors, the difference being essentially that the former regards his proposed kingdom as a great group, equal in grade to the kingdoms Animalia and Vegetabilia, and intermediate between the two, while 'the latter regards his group only as a class of the Animal kingdom, and the first and least complex in organization of his eleven divisions of the grade of classes. This is, so far as our knowledge extends, the first arrangement or classifi- casion in Natural History in which three primary groups of organized beings are distinctly proposed. M. de Saint Vincent also proposes an additional in- organic kingdom, which he names the " Regne Ethere." In an article in the "Edinburgh New PhilosophicalJournal," vol. xii. new series (p. 216,) "On the distinctions of a Plant and an Animal, and on a fourth kingdom of Nature," by Mr. John Hogg, a British Naturalist, who has devoted much attention to the lower organisms, that gentleman proposes the name " Primi NATURAL SCIENCES OF PHILADELPHIA. 123 General Considerations. Before proceeding to speak in detail of the individual species of the Lestri- dinm, I desire to make a few remarks on the points which at the present day must be taken more especially into consideration, in carrying on an investi- gation of this subfamily of birds. Although the contrary was formerly the case, yet at the present time the species of Jiigers are pretty definitely ascertained, being better known, in fact, than the species either of Larince or Sternince. This arises partly from the fact of the small number of existing species, and partly because most of the species present really very marked differences, which can hardly be over- looked by any one examining specimens with an ordinary degree of mental acumen. With the amount of knowledge which we possess at present, it would be quite impossible to mistake Buffoni for parasiticus, etc., in whatever stages of plumage they may be found ; and therefore, except in one or two instances, I have thought it quite unnecessary to present any lengthy description or specific characters, for the purpose of separat- ing one species from another. In a paper like the present, such points seem quite uncalled for. At the same time, there is a point concerning which authors are even now at variance, and which seems to have need of all the light that can be thrown upon it. I refer to the remarkable changes of plumage which the species of one of the genera of this subfamily, Stercorarius, undergo in arriving at maturity, and more particularly that perplexing state in which the bird is uniformly dusky. From the time when Briinnich, in 1764, institutes a Catharacta " coprotheres, corpore toto fusco," etc., and then adds: "An a prsecedenti sexu vel specie diversa ? A quibusdam hsec pro foemina, ilia 127 (parasitica) pro mare habetur, " the question has been an open one. Some authors have made a distinct species of this stage ; others have given it as a variety ; others still have considered this plumage indicative of age, or of season, or of sex. Modern opinions have generally agreed in considering it as simply an evidence of immaturity, and not a variety, much less a distinct species. I hope I shall be able to show in the following pages, that this latter opinion is the correct one, even if I cannot prove exactly what age the dusky stage is characteristic of, or whether more than one sex participates in it. To this end, I have gone into detail regarding the various ages of two of the species, pomarinns and parasiticus. But there is still another point in the study of the Jiigers, which, being a matter of more than ordinary difficulty, demands our most patient and careful investigation. This is the bibliography of the subfamily. Many of the species were known to the very earliest, even pre-Linnsean, writers on ornithology ; and, as a natural consequence, the synonymy of the various species is as intricate, and in as puzzling a state of complication, as perhaps that of any other group of birds, rendering it a peculiarly difficult task to unravel the various knotty points which present themselves for our considera- tion. Fortunately, however, the synonymy of most of the species is rather intricate, than doubtful ; rendering it possible, perhaps, to present a tolerably accurate list of references, by careful and patient study. To this part of the subject in hand I have paid special attention, and it is believed that the lists of synonyms given are pretty full, and include all the important references. Others must judge of the accuracy of the citations, each according to his own views of the subject. If I seem to have made any uncalled for innovations in nomenclature, I can only offer as an apology, that it is impossible to conduct an investigation into the bibliography of the subfamily without seeing that many of the names in common employ must be superseded, provided we are to pay any attention to recognized laws of nomenclature. 1863.] 124 PROCEEDINGS OF THE ACADEMY OF Family LAR1DM. Subfamily LESTRIDINJ3. Of this, the first subfamily of the Laridce, there are at present known to exist eight species, belonging to two genera. Of these, five v inhabit the northern, and three the southern hemisphere. The five northern species are all represented in North America. The following analytical table Will represent the characters of the species and genera sufficiently well for our present purposes. The diagnoses are purposely made as brief as possible, only the most prominent features being noticed. Analytical Table of the Genera and Species of the Lestridince. I. Statura maximi, et forma robustissimi. Pedes et rostrum validi. Tarsus brevior quam digitus medius cum ungue. Rectrices mediae lata? vix ultra caeteras porrectae Genus Bpphagps. a. Rostri longitudo poll. 2, et ultra ; altitudo *75. Ad anguli oris 3-00 poll. Ex maria arctica B. skua. b. Rostrum brevius, crassius. Ex maria antarctica B. antarcticus. II. Statura minores, et forma, graciliores. Pedes et rostrum graciles. Tarsus non brevior quam digitus medius cum ungue. Cauda iongior, et rectrices mediae valde ultra caeteras porrectae .' Genus Stekcoeaeius. 1. Tarsi postice asperrimi. Rectrices mediae latae in apices ipsas. a. Rectrices mediae caeteris 4 pollices longiores S. pomarinus. 2. Tarsi postice subasperi. Rectrices mediae longae, rigi- dae, acuminatae. a. Rectrices mediae caeteris 4 poll, longiores S. parasiticus. b. Similis S. parasitico ; sed major, Cauda tota longiore, plus rotundata S.Richardsoni. c. Similis S. pirasitico ; sed minor, rostro magis com- presso, rectricibus mediis elongatis, apidb.is rotun- datis (Bp.) S. Hardi/i. d. Similis 5. parasitico. Sed etiam minor S. Buffono ; rectricibus mediis lineari-acutis, rachide denudata rigida, pollice et ultra caeteras superantibus (Bp.) &. spinicauda. 3. Tarsi postice subasperis. Rectrices mediae longissimae, flexibiles, filiformes. a. Rectrices mediae caeteris 8 ad 10 pollices longiores.... 5. Buffoni. Genus BUPHAGUS Moehring. Buphagus, Moehring, Genera Avium, 1752, page 66, No. 71. Typus Larus catarractes, Linn. Stercorarius, "Brisson," Vieillot, Nouv. Diet. d'Hist. Nat., 1817, 153. Typus idem. (Sed non verus Stercorarius, Briss. cujus typus Larus parasi- ticus, L. est.) Gray, Genera of Birds, 1849, 651. Degland, Ornith. Europ. 1849, ii. 287. Bonaparte, Conspectus Avium, 1856, 206. Law- rence, Gen. Rep. Birds N. A. 1858, 838 ; et aliorum auctorum. Catharacta, Briinnich, Orn. Bor. 1764, 32. Typus Cath. skua Briinn. Bona- parte, Comparative List, 1838. Larus, (partim) Linnaeus, Systema Naturae, 1766. Gmelin, Systema, Natu- rae, 1788. Latham, Index Ornithologicus, 1790. Meyer et Wolf, Tassch- enbuch deutsch. 1810. Catarractes, Pallas, Zoog. Rosso-As. 1811, ii. 308. Typus C. skua. Steph- ens, Shaw's Gen. Zool. xiii. 1825, 214. Lestris, "Illiger," Temminck, Man. Orn. 1S20 40. Typus L. catarractes. (Sed non verus Lestris 111. cujus typus L. parasitica L. est.) Faber, [May, NATURAL SCIENCES OF PHILADELPHIA. 125 Prodromus Isl. Orn. 1822. Lesson, Traite d'Ornith. 1831. Keyserling et Blasius, Wirbelth. Europ. 1840 ; et auctorum aliorurn. Megalestris, Bonaparte, Conspectus Avium, 1856, p. 206. Typus Larus catar- ractes, Linn. 1. Buphagus skua Coues ex Briinnich. "Skua Hojcri, Ray, Synopsis Avium, 128." Larus fuscus, Brisson, Ornithologie, vi. 1760, p. 165. "Scopoli, Bemerk. Natur- Gesch. 1770, 90." Catharacta skua, Briinnich, Ornithologia Borealis, 1764, 33. No. 125. Catarracta skua, Retzius, Fauna Suecica, 1800, 161, No. 123. Bonaparte, Cat. Met. Ucc. Europ. 1842, 79. Bonaparte, Rev. Crit. Degland's Ornith. Europ. 1850, 202. Catarractes skua, Pallas, Zoographia Rosso-Asia?, ii. 1811, 309. Stephens, Shaw's Gen. Zool. 1825, xiii. 215. Cataractes skua, Macgillivray, Man. Orn. ii. 1S42, 255. Catarractes vulgaris, Fleming. (fideBp.) Catarractes fusca, Leach, (fide Bp.) Lcstris skua, Brehm. (fide Bp.) Larus catarractes, Linna?us, Systema Naturse, i. 1776. Gmelin, Systema Na- ture, i. 1788, 603. Latham, Index Ornithologicus, ii. 1790, 818. Larus keeask, Latham, Index Ornithologicus, ii, 1790, 818. Lestris catarractes, Illiger, Prodromus, 1811, 273. Faber. Prodromus Island. Ornith. 1822, 102. Temmimk, Manuel d'Ornith. ii. 1820, 792. Tem- minck, Manuel d'Ornith. iv. 1840, 494. Bonaparte, Synopsis, 1826, No. 304. Nuttall, Man. Ornith. ii. 1834, 312. Schlegel, Rev. Crit. Ois. Eur. 1844, 84. Lestris catharactes, Brehm, Naturg. Europ. Vog. 1S23, 739. Lestris catharractes, Schinz, Europ. Fauna, 1840, i. 387. Lestris catarrhactes, Kaup, Sk. Ent. Europ. Thierw. 1829, 64. Keyserling et Blasius, Wirbelth. Europ. 1840, i. 239. Stercorarius catarrhactes, Vieillot, Nouv. Diet. d'H. N. 1817, xxxii. 154. Vieillot, Fauna Frang. 1828, 385. Degland, Orn. Europ. 1849, ii. 289. Gray, Genera Avium, iii. 1849, 652. Stercorarius catarractes, Bonaparte, Consp. Avium, 1836, ii. 206. Lawrence, General Report Birds N. A. 185S, 838. Stercorarius cataractes, Selys-Longchamps. Fauna Belg. 1842, 155. Stercorarius catharractes, Des Murs, Traite d'Ool. Ornith. 1860, 551. Stercorarius pomarinus, Vieillot, Galerie d'Ois. ii. 1834, 220 ; sed non Temm. nee auctorum ! Sp. ch. Above blackish brown, more or less variegated with chestnut and whitish ; each feather being dark-colored, with a spot of chestnut towards its ex- tremity, which in turn fades into whitish along the shaft towards the tip of each feather. On the latero-nuchal region, and across the throat, the chest- nut lightens into a decided reddish yellow, the white being as a well-defined, narrow, longitudinal streak on each feather. The crown, post-ocular and mental region have but little whitish. Inferiorly, the plumage is of a blended fusco-rufous, lighter than on the dorsum, with a peculiar indefinite plumbeous nuance. The wings and tail are blackish ; their rhachides white, except towards the apices ; the remiges and rectrices white for some distance from the bases. This white on the tail is entirely concealed by the long tail-coverts, but ap- pears on the outer primaries as a conspicuous spot. The bill and claws are blackish horn ; the feet pure black. Bill from base to tip 2-10 ; to end of cere 1*20 ; gape 3-00 ; height at base 75 ; width a little less ; rami 1-60 ; gonys *50 ; wingl6'00 ; tail 6*00 ; tarsus 2-70 ; middle toe and claw 3*10. 1863.] 126 PROCEEDINGS OF THE ACADEMY OF Habitat. Seas and sea coasts of the northern hemisphere ; more particularly in higher latitudes. It is quite unnecessary here to go into any details regarding the specific characters of so long and well known a species, and one which is so very dis- tinct both in form and colors from any other of our continent. I am well aware that the adoption of the name under which I present this species, may be looked upon by many ornithologists as an unnecessary, or at least as an uncalled for innovation. In defence of the nomenclature adopted, I beg leave to offer the following considerations, which, it is hoped, will ex- onerate me from the charge of needlessly changing names, by proving that if we are to pay any attention to recognized rules of nomenclature, such a pro- cedure is unavoidable in the present instance, and that no other name than the one adopted cau be used : In the first place, Moehring's genus Buphagus is certainly based upon a bird which was afterwards the Lams catarractes of Linnaeus. His diagnosis (vide in- fra*) unmistakably refers to one of the Lestridiiuc, while the species is fortu- nately exactly fixed by his reference to " Hojeri" and " cataractes." Perhaps no one of his diagnoses is more definite than this one. This being the case, the only question is, are his genera to be adopted and used in ornithology 1 I believe that the rule generally followed regarding Moehring's genera, is that they are to be adopted when they can be certainly identified, provided that they do not conflict with subsequent Linnaean appellations. Upon this principle, many of Moehring's old genera have been revived and adopted by Gray, and his example has been followed by Baird, and other ornithological writers. It is thus that such genera as Philomachus, Cullyrio, Trogon, Uria, Catarract.es, etc., have taken the precedence over more modern appellations, to which their priority entitles them. The rule, however, does not appear to have been so strictly carried out as it should be, if adhered to at all. Gray, for example, adopts Stercorarius of Brisson for the Jiiger, remarking ''that it is supposed to be Buphagus of Moehring." His procedure in this case is a little remarkable, since Bupliagus is certainly identifiable ; and there is no Linnaean genus with which it can conflict, Linnaeus ranging all the Jagers known to him with the gulls, under Larus. With this restriction, which, it must be confessed, is rather a compliment to Linnaeus, than strict justice to other writers, the genera of Moehring are to be adopted when identifiable. The fact of that author not being a binomalist, in fact, not dealing at all with species, does not appear to be a valid reason why his genera should be neglected any more than those of Brisson for example. I am decidedly in favor of the adoption for any genus of the first appellation that is proposed for it after the date of the first published works of Linnaeus, provided there be no conflict between them : considering the introduction of a definite form of nomenclature as beginning with that illustrious writer. Now, supposing that we do reject Moehring's Buphagus, let us see what will be the consequence. " Stercorarius Brisson 1760" is the name which of late has been most generally applied to the genus in question. But the type of Brisson's genus is not the catarrhactes,\ but the true parasitica, as is evident by his elaborate description, although no specific name is given ; and hence, if it is to be used at all, it must be for the genus of which parasitica is typical. But Brisson was a polynomalist ; and if we refuse to adopt Moehring's names on this score, Brisson's genera must also be rejected : to which procedure, of course, no naturalist would assent. Catharacta of Briinnich of 1764 comes next in order, and has as its type * Moehring. Genera Avium, 1752, page 66, No. 71. " Rostrum postice rectum, membrana callosa ad nares usque tectum, versus apicem incurvum, lateribus compressis. Femora extra abdomen. Digiti autici ties membrana intermedia toti cohaerentes, posticus liber." f Brisson. on page 165 of vol. vi. of his Ornithologie, ranges this species under Larus, calling it " Le Goelaud brun, Larus fuscus." [May, NATURAL SCIENCES OF PHILADELPHIA. 127 C. skua, which is the true catarrhactes. But here he is anticipated by Moehring, who had previously applied the name Cataractes* to a genus of Guillemots, of which Uria troile is the type. This genus has been adopted for the latter birds, by Cassin, Bryant, and others ; and, unless we admit the different spellings of the same word as distinct genera, which would seem quite unwarrantable, Briinnich's name must be superseded. Lestris of Illiger (1811) being based upon the parasitica, I am aware of no other genera than the above, which were founded on the Larus catarrhactes down to 1S56, when Bonaparte, in his Conspectus, proposed the name Megalestris. The choice then lies between Moehring's Buphagus and Bona- parte's Megalestris ; and of the two, I prefer to take the former, especially as by so doing we shall be enabled to retain Stercorarius of Brisson for the other species of the subfamily. Regarding the adoption of the specific name skua, I will merely remark that as Briinnich was as strict a binomalist as Linnaeus himself, there is no reason why his specific names should not be employed in all cases when they are identifiable. The date of Briinnich's "skua" is 1764; that of Linnaeus' " catarractes " is 1766. It is a little surprising that Brisson, after instituting the genus Stercorarius for the Jiigers, should be so far at fault regarding the proper affinities of the present species as to place it among the Gulls, under the name of Larus fuscus. His descriptions of all the Jagers are remarkably accurate, and so full and complete as to admit of the positive identification of all his names. In this case, and in numberless other instances, there is cause for exceeding regret that he was a polynomalist ; for, had he been a strict binomalist, so that we could adopt his specific names, we should be saved a vast deal of uncertainty and profitless discussion as to the proper specific appellations to be employed. The Larus keeask of Latham is certainly the present species. That author gives 22 inches as the total length, and 3 inches as the length of the bill, dimensions which will apply to no species of Stercorarius; and there is no other Buphagus than the present inhabiting the northern hemisphere. His bird "habitat in America ad sinum Hudsonis." The plate which Vieillot gives in his Galerie des Oiseaux, (1854) of his Stercorarius pomarinus, represents undoubtedly the present species ; and is, so far as I am aware, the only instance of the application of the name pomarinus to any other species than that to which it rightfully belongs. This error seems the more surprising, since Vieillot, in 1817 and in 1828 (vide synon.), gives the species as Stercorarius catarrhactes. The other synonyms' of the species do not require special notice. I have endeavored to preserve the various spellings of the word catarrhactes by the different authors cited. I quote Catarractes fusca Leach, and vulgaris Fleming, and Lestris skua Brehm, on the authority of Bonaparte. 2. Buphagus antarcticus Coues ex Lesson. Lestris catarractes, Quoy et Gaimard, Voy. TJranie, Ois. p. 38. Nee auct. Lestris antarcticus, Lesson, Traite d'Orn. 1831, p. 606. Sterco7-arius antarcticus, Bonaparte, Consp. Av. 1856, p. 207. Diag. B. Buph. skua, similis ; sed rostro crassiore et breviore. Habitat. Antarctic Ocean. * This word affords a good illustration of the very various oncography we often find in the names of the old authors. Thus, we have cataracta, cataractes, catharacta, catarracta, catarracU s, catarrhactes, &c. The orthography of the word will be evident if we regard its etymology. It is from KiTst, and QH-yvvjui, whence x-'Ta/yaxTJic, "a robber or despoiler;" the latinization of which is catarrhactes, the ftbeingderived fiom the rough aspirate over the second />. Jirunnictrs spelling of the word might perhaps lead us to suppose it derived from Kiftiipce, "to cleanse or purify ; : ' but this isevidently not the case, the latinization of the word formed from the latter root giving us cathartes, Illigei 's genus of American vultures. 1863.] 128 PROCEEDINGS OF THE ACADEMY OP This species is very closely related to the preceding, if it be really distinct from it. The fine series in the Museum of the Smithsonian Institution, pro- cured by the United States Exploring Expedition under Com. Wilkes, all differ from the skua of Europe and America in the possession of shorter, and comparatively stouter and deeper bills, with more obtuse tips. These are the only points of discrepancy I have been able to detect in the examination of the series ; but they appear to be quite constant. Among the series is a specimen much larger than the rest, and than the slcua from Europe. The bill is nearly two and a third inches long, and very stout ; the wings an inch, and the tarsus a third of an inch longer than the average of European skins. It is evidently a very old individual, and the chestnut and whitish have almost entirely disappeared from both the upper and under parts, leaving the whole bird deep blackish-brown above, and a somewhat lighter brown, or fuliginous, below. The specimen is referred to in Cassin's List of the Birds of the Exploring Expedition, as " Lestris ?" Although the general appearance of the bird is really different from that of the rest of the series, I do not think that the differences presented are any- thing more than indicative of the great age of the specimen. A collection of American and European Jiigers, obligingly furnished by Mr. D. G. Elliott for examination, contains a specimen of the true skua from the Atlantic Ocean, which presents a very similar condition of things. The size is greater than that of any other of the series of specimens, and the colors are nearly as uniform as in the antarctic specimen referred to. I think it more than probable that the birds of this genus continue to grow in size and proportions with increasing age, and that the colors have a tendency to become darker and more uniform under the same circumstances. Genus STERCORARIUS Brisson. Sterc'orarius, Brisson, Ornithologia, 1760, vi. (Typus Larus parasiticus, Linn.) et auctorum pleriq. Catharacta (partim), Briinnich, Ornith. Borealis, 1764. Larus (partim), Linnaeus, Systema Naturae, 1766. Gmelin, Systema Natune, 1788. Latham, Index Ornithologicus, 1790. Meyer et Wolf, Taschenb. Deutsch, 1810. Lestris, Illiger, Prodromus, 1811, p. 272. (Typus Larus parasiticus, Linn.) Et auctoram. P)-mdatrix, Vieillot, Analyse, 1816, p. 62. Labbus, Rafinesque, 1816, fide Bp. Coprothcres, Reichenbach, 1850. A single genus cannot, without great latitude and looseness of definition, be made to include all the species of this subfamily. The differences between Buphagus skua (with its southern representative antarcticus) and the other known species, are very great, and strongly pronounced, if we regard stature, proportions, character of central tail feathers, changes of plumage, &c. The differences fully warrant the distribution of the species of the subfamily into two genera, which may be thus defined : Buphagus. Bill shorter than the middle toe without the claw ; exceedingly robust ; width at base about equal to the height, which is a third of the length of culmen. Stria? and sulci numerous and well marked. Encroachment of feathers on bill moderate ; and nearly the same on both mandibles. Occiput scarcely crested. Wings only moderately long for this subfamily, the pri- maries very broad, and rounded at their tips. Tail very short, broad, nearly even, the feathers truncated ; central pair projecting but little, and broad to their very tips, which are also truncated. Feet large and stout ; tarsi shorter than the middle toe and claw. Size large ; form robust and heavy ; general organization very powerful. Colors much the same over the whole body ; [May, NATURAL SCIENCES OF PHILADELPHIA. 129 not subject to any great variations with age, sex, or season. Species, B. skua (type) and B. antarcticus. Stercorarius. Bill equal to middle toe without the claw, moderately robust, height at base more than a third of culmen ; striae and sulci fewer and more slightly marked. Encroachment of feathers on bill very great, especially on the upper mandible, where it greatly exceeds that on the lower, and is of a different outline from that of Buphagus. Occiput decidedly subcrested. Wings exceedingly long, the primaries narrow, tapering, with quite acute tips. Tail long ; the lateral feathers more or less graduated ; the central pair considera- bly, sometimes excessively, elongated, tapering and filamentous. Feet rather slender, the tarsi equal to, or slightly longer than the middle toe and claw. Size moderate or small. Form less robust, general organization much less powerful. Nearly bicolor when adult ; passing through very various states of plumage before arriving at maturity. Species, S. pomarinus, parasiticus, (type) Richardsoni, Hardi/i, spinicauda, Buffoni. Of these, the five last are very strictly congeneric in every particular. Pomarinus, by its larger size, somewhat more powerful form, shorter and broader central tail feathers, &c, shows a slight aberration towards Buphagus. But in all other features the essential characters of Stercorarius are so strongly pronounced, that it cannot afford a link by which the two genera may be united. ? Stercorarics pomarinus Vieill. ex Temm. Larus parasiticus, Meyer et Wolf, Tasch. Deutsch. ii. 1810, 490. (Sed non Linn, nee auct.) Larus crepidatus, Gmelin, Systema Naturae, i. 1788, 602. Latham, Index Or- nithologicus, 1790, ii. 819. (Citat Sterc. striatum, Briss.) Stercorarius striatus, Brisson, Ornith. vi. 1760, 152, pi. 13, fig. 2. (Juvenis.) Lestris striatus, Eyton, British Birds, 18 , 53. Lestris pomarinus, Temminck, Man. Orn. ii. 1820, 793. Temminck, Man. Orn. iv. 1840, 495. Faber, Prodromus Island. Ornith. 1822, 104. Brehm, Naturg. Europ. Vogel, 1823, 741. Bonaparte, Synopsis, 1826, No. 305. Lesson, Manuel Ornith. 1828, ii. 388. Kaup, Sk. Ent. Europ. Theirw. 1829, 64. Swainson et Richardson, F. B. A. 1831, ii. 429. Nuttall, Manual Ornith. ii. 1834, 315. Audubon, Ornith. Biograph. 1839, hi. p. 396. Audubon, Synopsis, 1839, 332. Audubon, Birds America, 1844, vii. 186, pi. 451. Keyserling et Blasius, Wirbelth. Europ. 1840, i. 240. Schinz, Europ. Fauna, 1840, i. 388. Schlegel, Rev. Crit. Ois. Europ. 1844, 84. Bonaparte, Cat. Met. Ucc. Eur. 1842, 80. Bonaparte, Rev. Crit. Degland's Orn. Eur. 1850, 202. Thompson, Nat. Hist. Ireland, iii. 1851, 392. Bonaparte, Conspectus Avium, ii. 1856. 207. Des Murs, Traite d'Oologie Ornith. 1860, 551. Stercorarius pomarinus, Vieillot, Nouv. Diet. d'H. N. xxxii. 1819, 158. Vieillot, Fauna Franq. 1828, 387. Selys-longchamps, Fauna Belg. 1842, 155. Degland, Ornith. Europ. 1849, ii 291. Gray, Genera Birds, 1849, iii. 652. Lawrence, General Report Birds N. A. 1858, 838. Coues, Proc. Acad. Nat. Sc, Philada., 1861, p. 243. Cataractes pomarinus, Stephens, Shaw's Gen. Zool. 1825, xiii. 216, pi. 24. * Macgillivray, Man. Brit. Orn., ii. 1842, 256. Coprotheres pomarinus, Reichenbach, Syst. Av. 1850, 52, pi. 328-9. Catarractes parasita, var. camtschatica, Pallas, Zoograph. Rosso-Asiae, 1811, ii. 312. Habitat. Seas and sea coasts of Europe, Asia and North America. Interior of Arctic America. I will notice the stages of plumage of this species, from that of the fully adult to that of the young of the year. Having a very extensive series at command, I have endeavored to trace one stage from another, and point out 1863.] 10 130 PROCEEDINGS OP THE ACADEMY OP exactly how the great changes of plumage to which the hird is subject, are produced. Adult. Bill horn, deepening into black ; feet black. Pileum and occipital crest brownish-black ; this color extending much below the eyes, and occupy- ing the feathers on the ramus of the inferior maxilla. Acuminate feathers of the neck light yellow. Back, wings, tail, upper wing coverts, under tail coverts as far as the flanks, deep blackish-brown. Under parts, from chin to abdomen, and neck all round, (except the yellow acuminate feathers,) pure white. The above is the plumage of the fully adult bird, and is comparatively not often met with. A more usual state of plumage (described by Lawrence and figured by Audubon* as " fully adult, : ') is as follows : Nearly adult. Generally as in the preceding, but with a row of brown spots across the breast ; the sides under the wings transversely barred with white and brown ; the purity of the dark color of the abdomen interrupted by some touches of white. The legs still wholly black, and the tail feathers projecting as much as in the fully adult. Now, as a somewhat younger stage than the preceding, we have the fol- lowing Intermediate stage, (No. 1275.) The band of dark spots across the breast has widened and enlarged, so that the whole breast appears brown, mottled with white ; the sides under the wings are conspicuously barred with white and brown ; the white of the under parts is continued down over the abdomen to the under tail coverts ; the pure brown of these parts which obtains in the adult, now only appearing as transverse bars among the white. The upper tail coverts and some of the wing coverts are barred with white. The bases of the primaries are inferiorly white. The central tail feathers now only project an inch. The tarsi are quite changed in color ; they are now irregularly blotched with chrome yellow, the hind toe and nail being of this color. The above changes are very gradual, and readily identifiable ; the quo modo of their production may be thus summed up : In the adult the white and brown occupy distinct and well-marked regions ; and the two colors are separated by trenchant lines of division. The younger the bird, the more this distinctness of definition of colors is lost, the white invading and barring the brown, and the brown invading and mottling the white, wherever the two join. Then also the feet lose their black, and are variegated with yellow. Besides the above, we find a state characterizable thus : Dusky stage. The bird is very nearly unicolor : blackish-brown all over; this color deepening into quite black on the pileum ; lightening into fuliginous brown on the abdomen, with a slight gilding of the black on the sides of the neck. The whitish bases of the primaries exist. The feet are in the chromo- variegated condition. The central tail feathers scarcely project half an inch. In the last edition of the Manuel d'Ornithologie, Temminck corrects various errors committed in previous editions, and gives, as his mature opinion, four " varieties" of this species. By examining his diagnoses, it will be seen at a glance that his "variety C" is the fully adult plumage above characterized ; of which he says truly that it is " assez rare." His " B " is our second stage ; his " A " is about our third stage ; while his " D " is the fusco-unicolor stage just given. In his earlier editions he maintains that this dusky stage is% absolutely independent of sex ; but latterly he says that it is possible that the dusky birds are females ; the white-bellied ones males. Ornithologists main- tain very diverse views on this subject ; but I believe it is generally supposed that this state of plumage is not indicative of either sex, but simply of imma- turity. Now I think that the four' plumages which Temminck describes as adults * I have Audubon's original specimen before me. It agrees minutely with his plate; ami is also the specimen from which Lawrence's description in the General Report was taken. [May, NATURAL SCIENCES OF PHILADELPHIA. 131 (varieties A, &c. ) are really the progressive stages of the same individuals. I do not think that even the dusky stage constitutes a distinct "variety," (i.e., the birds remaining in that state all through their lives ;) much less the other stages. I am of opinion that every Jiiger, before arriving at full maturity, passes through each of these states : beginning with a rufo-rayed plumage to be presently described passing from that next into the dusky ; and then assuming successively the other stages above characterized. The only ques- tion is this : What age, sex, or season is this dusky stage characteristic of 1 I think that it comes in next after the very young rufo-rayed plumage, for this reason. We find these dusky birds to be generally less robust than the others; with weaker bills, less elongated central tail feathers, and parti- colored tarsi. Now it is well known, that the younger the bird, the smaller it is, the shorter are the central tail feathers, and the more yellow the tarsi. Another argument, by analogy, is that the S. parasiticus is found in exactly the same unicolor state ; and from a great number of species it can be proved, I think, that in that species it supervenes directly from the rufo-rayed plu- mage. [See remarks under L. parasitica.'} The following is the plumage of birds of the year : Young of Year. Bill much smaller and weaker than in the adult, light colored to beyond the nostrils, when it becomes brownish-black. Feet and toes mostly bright yellow, the terminal portions of the latter black. The whole body is everywhere transversely waved with dull rufous. On the head, neck and under parts this rufous forms the predominating color; and the bands are exceedingly numerous, of about the same width as the intervening dark color. On the flanks and under tail coverts the bars become wider, and almost white in color. On the back and wing coverts the brownish black is the predominating color ; and if any rufous is present, it is merely as a nar- row edging to the feathers. The under wing coverts have irregularly-angular transverse waves of brownish black and white. The remiges and rectrices are brownish black, darker at their tips ; fading into whitish towards the bases of their inner vanes. On the head and neck the light rufous decidedly predomi- nates, and seems indistinctly but thickly nebulated with dusky ; this dusky forming a conspicuous spot just at the anterior canthus of the eye. (In this plumage the bird is the Stercorarius striatus of Brisson and the Larus crepi- datus of Gmelin and Latham.) There can be no doubt that the Stercorarius striatus of Brisson. and the Larus crepidatus of Gmelin and Latham, refer to this species in the very im- mature state of plumage just described ; when the bird is considerably smaller than when adult, and is wholly rayed with rufous and dusky, with white spaces at the bases of the wing and tail feathers. The Stercorarius crepidatus of Vieillot, (1817,) however, is the true parasitica, as is also the Lestris crepidata, of Degland, 1838, and of Schinz, 18-10. The Lestris crepi- data of Brehm (1823) is the young of the Buffoni. (Vide synonyms of these species.) Latham in his Index, page 819, gives a "Larus crepidatus var. /?," which is of course also to be referred to the young pomarinus. The Larus parasiticus of Meyer and Wolf is, I believe, the only instance of the application of that specific name to this species. The other synonyms of the species do not require any special notice, as they are quite plain and uncomplicated. By most authors the Catharacta cepphus of Briinnich is considered as refer- ring to the long-tailed species. I must confess, however, that I can hardly discover grounds for &uch an identification of this name ; and am rather inclined to the opinion that his cepphus is based upon the young pomarinus ; as are the crepidata of Gmelin and Latham, and the striatus of Brisson. Let us look at the description for a moment. It is evident, from almost every paragraph of it, that he had in view a young bird of the year, in the state 1863.] 132 PROCEEDINGS OF THE ACADEMY OF when they are transversely rayed with dusky and rufous, paler on the ab- domen, and have the bases of the quills and rectrices white. The only point is to determine of what species it is the young. Regarding its size, Briinnich compares it with his Catharacta skua, saying, that it is much smaller than that species, and " Magnitudo parasitica^.' " The young of the year of poma- rinus is more nearly of the size of an adult of parasitica, than is the young of the year of the long-tailed species. The description of the colors, form, &c, which follows, agrees precisely with those of the young pomarinus; and when we remember that at that date the differences between the common and long-tailed Jiigers were not recognized, the two species being confounded together by authors generally, (except Brisson ;) it does not appear by any means certain that Briinnich had the long-tailed species in view in drawing up the description of lt cepphus." Had that been the case, he would pro- bably have compared it with parasitica rather than with skua. Moreover, Latham, in his description of his Larus crepidatus, which is the young poma- rinus, gives " cepphus, Briinn." as a synonym of that species. Upon the whole, therefore, while I by no means insist upon the reference of the name under consideration to the pomarinus, I merely wish to show that it very possibly belongs to it : and that [the description is too vague and uncertain to justify the use of the name for either of the species. It is for this reason that I have adopted Boie's name " Buffo i" for the long-tailed Jager. Having always professed a rigid adherence to the great law of priority in questions of nomenclature, I am, perhaps, in the present instance, rendering myself liable to be taken to task for not employing the name " crepidatus" of Gmelin and Latham (1788-90) for this species instead of pomarinus of Temminck, since the former name is in all probability based upon this species. The description is, however, short and unsatisfactory, and is, moreover, based upon the young bird of the year ; and, though there cannot really be much doubt as to the species which these authors had in their minds in preparing their descriptions, still I think in view of the above considerations, that it will hardly be expedient to supersede so definite, long- known and universally employed a name as pomarinus. At the same time, should any one else see fit to do so, I would in future writings unhesitatingly follow his example. 4. Stercorarius parasiticus Gray ex Briinn. ? Sterna rectricibus duabus internis longissimis, Linn., Fn. Suec, No. 129. f Larus rectricibus duabus internis longissimis, Linn., S. N., 1748. Catharacta parasitica, Briinnich, Ornith. Borealis, 1764, 37. Larus parasiticus, Linnaeus, Syst. Nat., 1766, i. 226. Gmelin, Syst. Nat., 1788, i. 601. (Num Lath.? qui me judice potius ad longicaudatum Briss spectat.) Cataracta parasitica, Retzius,* Fauna Suecica, 1800, 160. Catarractes parasita, Pallas, Zoog. Rosso- Asise, ii. 1811, 310. Lestris parasita, Keyserling jet Blasius, Wirbelth. Europ., 1840, i. 240. Schlegel, Rev. Crit. Ois. Eur., 1844, 85. Bonaparte, Cat. Met. Ucc. Europ., 1S42, 80. Des Murs, Traite d'Oologie Ornith., 1860, 551. Bona- parte, Rev. Crit. Degland's Orn. Eur., 1850, 202. * It is difficult, perhaps impossible, to say whether the citations of the authors before 1800 really refer to this species, or to the long-tailed Jager. I have, however, placed them under the head of parasitica, for this reason: Retzius in his edition of the Fauna Suecica (of 1800) gives them as synonyms of his jyarasitica, of which his description is, " Rectrices 6, 6, (i.e., the central pair) caeteris 4 poll, longiores;" thus clearly referring to the true parasitica. Descriptions of previous authors had mostly been merely " Rectricibus mediis longissimis," whence the uncer- tainty. Retzius, however, is in error in adducing Stercorarius longicaudatus, Briss., as a synonym of parasitica. [May, NATURAL SCIENCES OF PHILADELPHIA. 133 Lestris parasitica, Illiger, Prodromus, 1811, 273. Tetmninck,* Man. Ornith., 1820, ii. 796, (duse species confusae sunt.) Faber, Prodromus Island. Orn., 1822, 105, (Nonne duse species confusae ?) Brehm, Naturg. Europ. Vog., 1823, 744. Kaup, Sk. Ent. Eur. Thierw., 1829, 47. Lesson, Traite d'Ornith., 1831. 61(3. Schinz, Europ. Fauna, 1840, i. 390. Bona- parte, Conspectus Avium., 1856, ii. 208. Lestris Richardsonii, ("Swains.") Temminck, Man. Orn., iv. 1840, 499. (Sed non Swains, quae potius species distincta.) Nuttall, Man. Ornith., ii. 1834, 319. Audubon, Ornith. Biograph., iii. p. 503 ; Audubon, Synopsis, 1839, 332. Audubon, Birds America, 1844, vii. 190, pi. 452. Giraud, Birds L. I., 1844, 367. Schinz, Europ. Fauna, 1840, i. 392. Thompson, Nat. Hist. Ireland, 1851, iii. 394. Cataractes Richardsoni, Macgillivray, Man. Orn., ii. 1842, 257. Catharacta coprotheres, Briinnich, Orn. Borealis, 1764, 38, No. 138. In setate fusco-unicolore.) Lestris coprotheres, Des Murs, Traite d'Oologie Ornith., 1860, 551. Lestris parasitica var. coprotheres, Bonaparte, Consp. Av., 1856, ii. 209. Stercorarius , Brisson, Ornith., vi. 1760, (nomen specificum nullum.) Stercorarius crepidatus, Vieillot, Nouv. Diet. d'H. N., xxxii. 1819, 155. (Sed non Larus crepidatus, Gmel., Lath., qui potius juvenis Lestris pomarinus, Temm.) Stercorarius cepphus, ("Leach,") Swains, et Richardson, F. B. A., ii. 1831, p. 432. Stephens, Shaw's Gen. Zool., 1825, xiii. 211, pi. 23. Degland, Ornith. Europ., 1849, ii. 295, (nee auct) Stercorarius parasiticus, Selys-Longchamps, Fauna Belg., 1842, 155. Gray, Genera Birds, iii. 1849, 652. Lawrence, Gen. Rep. Birds N. A., 1858, 839. Coues, Proc. Acad. Nat. Sci. Philada., 1861, p. 243. Lestris crepidata, Degland, "Mem. Soc. Roy. de Lille, 1838, 108." Juvenis. Schinz, Europ. Fauna, 1840, i. 390, Juvenis. Habitat. Coast of America and Europe, more particularly in higher lati- tudes. Interior of Arctic America. Pursuing the question of the general "theory of variation" in this genus, it may be well to examine closely the various stages of this its typical spe- cies. The exceedingly rich series in the Smithsonian collection enables me to trace it through all its variations. Young of the Year in August. Size considerably less than that of the adult, form every way more delicate. Wings more than an inch shorter ; bill and feet much slenderer and weaker. Bill in some specimens light bluish horn, in others greenish olive, the terminal portion brownish black. Tarsi and greater part of the toes yellow. The bird is every where rayed and barred with rufous and brownish black. On the head and neck the rufous is of a very light ochraceous tinge, and is by far the predominating color ; the dark only appearing as a delicate line along the shaft of each feather. There is an aggregation of the brown into a spot at the anterior canthus of the eye. Proceeding down the neck to the back, the longitudinal lines become larger, and gradually spread wider and wider, until between the shoulders they occupy the whole of each feather, except a narrow border of rufous ; which latter is of a deeper tint than on the head. Passing down the throat to the breast, the rufous becomes decidedly lighter, almost whitish, while the brown, which on the throat exists only as a light longitudinal line, change s on each feather to transverse bars of about equal width with the light rufou s bars with which it alternates. This pattern prevails over the whole unde r * This is a combination of parasitica and Buffoni, as shown by the description and indescrimi- nate citation of synonyms. This error Temminck corrects in his edition of 1S40, (pp. 493, 499, 500,) where he recognizes the two species and describes them accurately: but unfortunately tall*) the parasitica, " Jiichardsoni," and the Buffoni, " parasitica." 1863.] 134 PROCEEDINGS OF THE ACADEMY OF parts, the transverse bands being broadest on the flanks and under tail and wing coverts, narrowest in the middle of the belly. The primaries are brownish black, narrowly tipped with rufous, their shafts yellowish, their inner webs fading basally into white. The tail has the same coloration as the wings. The central feathers project about three-fourths of an inch. As the bird above described grows older, the bill and feet become stouter, the cere better developed ; while the rufous everywhere gives way to the darker color. No special stage can be characterized, however, until the rufous is far outweighed by the dusky. Then we have (No. 18652). Size and general proportions nearly those of the adult. Bill and cere perfectly formed ; feet mostly black, but with some yellow blotches. The upper parts are unadulterated with any rufous bars ; the deep brownish - black pileum has appeared, and the sides of the neck have obtained their yellow nuance, which contrasts conspicuously with the fuliginous background. Evidences of immaturity, however, are found on the under parts, where the dark color is mixed with illy-defined transverse bars of ochraceous. Rufous is also found at the bend of the wing, and on the under wing and tail coverts. The primaries are still whitish baso-externally, as are also the rectrices. The central rectrices project 2^ inches, and have the tapering form of those of the adults. By the disappearance of the little rufous mentioned above, we have arrived at a very marked and decided stage, viz : (No. 20362). With the size and proportions of the adult. Wholly deep dusky ; darker and more plumbeous superiorly ; lighter, and with a fuliginous tinge inferiorly ; the pileum quite black ; the latero-nuchal yellow, well pronounced ; the remiges and rectrices quite black ; feet black. Having reached this perfect dusky stage, we will go back again to the young plumage first characterized, and show how specimens occasionally seem to proceed at once towards the adult condition with the white under parts. For example (No. 2754). The juvenility of the specimen is attested by its small size, delicate bill and feet, little projection of the central rectrices, general molli- pilose condition of plumage, &c. The rufous of the very young bird, instead of giving way everywhere to dusky, yields to this color only on the upper parts and crown ; on the sides of the head, neck, and the whole under parts, whitish being the predominating color. the continuity of this last being interrupted by indistinctly marked dusky bars. The yellow of the sides of the neck has not yet appeared. There is the same white space on the bases of the wings and tail as exists on the very young. The central tail feathers only project about li inches. By an attentive consideration of the preceding facts, it will be evident that we have found the same very young plumage to change gradually through one series of specimens into the fusco-unicolor state ; through another serie3 into a stage which tends to pass directly into the normal plumage of the fully adult bird, without going through this dusky epoch. What can we deduce from this perplexing fact? Does one a assume this dusky plumage at a- certain age, and the other not? Does this dusky state constitute the normal adult plumage of one sex ? Is it a seasonal feature, which both sexes return to at certain periods in each year? or, finally, does it constitute a purely accidental, but constant variety? Authors of weight are divided on each of these points. I reject entirely the last hypothesis, viz : that some birds attain to this dusky stage and retain it during their lives, though they may have sprung from normally colored parents, and have normally colored progeny. What- ever age or season, or whichever sex this state of plumage indicates, I think there can be no reasonable doubt that it is a normal and constant stage which every individual of one (or both?) sexes 'passes through or attains to, in its [May, NATURAL SCIENCES OF PHILADELPHIA. 135 progress towards maturity. The only question 13, what age is to be assigned to this dusky state, and whether one or both sexes participate in it. Leaving now speculation for facts, we have yet to notice the mature bird. Taking either the dusky state (No. 20302,) or No. 2754, we find that both tend to produce the following plumage : Nearly mature, (No. 20144.) Size and form of the adult. Pileum and latero-nuchal region, and whole upper parts, as in the adult. The under parts white (as in the adult), but clouded everywhere with dusky patches, most marked across the breast, on the sides, the flanks, and under tail coverts, and lea.ving the middle of the belly and throat nearly pure. Varying degrees of this dusky nubilation approach in some specimens nearly to the uniform dusky above characterized ; in others fade almost into the pure white of the adult, connecting the two ages perfectly and uninterruptedly. The tarsi of those specimens most dusky have small yellow blotches ; the others not. Now, by the complete obliteration of these dusky cloudings on the throat, breast and belly, and its increased intensity on the under tail coverts and abdomen as far as the flanks, we arrive at last at the Adult, perfect plumage, (No. 16802). Bill a little shorter than the head or tarsus, about equal to middle toe without the claw; stout, about as high as broad at the base. Cere longer than the nail. Culmen broad and flattened, with a longitudinal groove on each side. Nostrils as in the other species. Curvature of culmen and tomia very gradual. Gonys short, about straight ; rami very long, a little concave ; eminentia symphysis little marked. Strias and sulci as in the other species. Tarsi about as long as the middle toe and claw, moderately stout, somewhat roughened supero-posteriorly, but not nearly as much so as in pomarinus. Scutellation and reticulation of tarsi, toes, and interdigital membranes as in the other species. Tail moderately long, slightly graduated, the lateral feathers broad quite to their apices, which are somewhat truncated, the shaft slightly protruding as a small mucro ; the central pair projecting three to four inches ; rigid ; not losing much of their breadth until about four inches from their ends, when they commence to converge regularly to a quite acute apex. They have nothing of the filamentous char- acter of those of Buffoni. Wings long, powerful, their rhachides rigid, their apices somewhat acute. Pileum, occipital crest, whole upper parts, deep brownish black, with a somewhat slaty tinge, and a slight but appreciable metallic nuance; this color deepening into quite black on the wings and tail. Rhachides of primaries and rectrices whitish, except at their tips ; the inner vanes albescent baso-internally. Chin, throat, sides of head, neck all round and under parts to the vent, pure white ; the feathers of the latero-nuchal region rigid, acuminate, with disconnected fibrillar, light yellow. Under tail coverts like the upper parts, but somewhat of a fuliginous tint ; the line of demarcation from the white of the abdomen very trenchant. Dimensions of fully adult. Bill above 1-40 inches ; height or width at base, about -50. Wing, from flexure, 13-00 : tarsus, or middle toe and claw, 1-80 ; tail 5J, its centre feathers nearly 9-00. Dimensions of young of year. Bill above 1-30 ; height or width at base -40; wing 12-00; tarsi, or middle toe and claw, l-TO; tail 5-00; central tail feathers not quite 6-00. Stercorarius Richardsoxi Coues ex Swainson. Lestris Richardsoni, Swainson, Fauna Boreali-America, 1831, ii. p. 433, pi. lxxiii. sed non auctorum. Habitat. Interior of Arctic America. Diag. S. Stercorario parasitico similis ; sed major, rostro, tarsis, alisque longioribus ; cauda magis producta et rotundata, rectricibus latioribus. This species is treated of at length in the beginning of the present paper. 1863.] 136 PROCEEDINGS OF THE ACADEMY OP 6. Stercorarius Hardyi Coues ex Bonap. Lesiris Hardyi, Bonaparte, Comptes Rendus Acad. Sciences, 1856, p. 20. Tab. Longip. species 5. Bonaparte, Conspectus Avium., ii. 1856, 210. Diag. " Similis Lestrido parasitica ; sed minor, et rostro magis compresso ; rectricibus elongatis mediis apice rotundatis." (Bp.) Habitat. Southern oceans, between Philippine and Sandwich islands. I am only acquainted with this species through the notices of Bonaparte, above cited. The diagnosis is copied from the Conspectus Avium. The species is evidently very closely related to the parasitica, if it be really dis- tinct from it. 7. Stercorarius spinicauda Coues ex Hardy. Lestris spinicauda, "Hardy." Bonaparte, Comptes Rendus Ac. Sciences, 1855. Bonaparte, Conspectus Avium, 1856, ii. 210. Diag. " Similis L. Hardyi et parasitica ; sed etiam minor Lestrido ceppho ; cauda truncata ; rectricibus mediis lineari-acutis, rachide denudata, rigida , pollice et ultra caeteras superantibus ; rostro brevi, robusto." (Bp.) Habitat. Coast of Africa, near St. Helena. A species with which, like the S. Hardyi, I am autoptically unacquainted. If, however, the above characters really obtain, they would seem abundantly sufficient to distinguish it. The diagnosis is copied from Bonaparte. 8. Stercorarius Buffoni Coues ex Boie. Stercorarius longicaudatus, Brisson, Ornith., 1760, vi. 155. Vieillot, Nouv. Diet. d'H. N. 1819, xxxii. 157. Degland, Ornith. Europ., 1849, ii. 298. Selys-Longchamps, Fauna Belg., 1842, 156. Lesiris longicaudatus, Thompson, N. H. Ireland, iii. 1851, 399. Cataractes longecauda, Macgillivray, Man. Orn., ii. 1842, 258. ?? ' Catharacta cepphus, Brunnich, Orn. Bor., 1764, 36. Cataractes parasitica, Macgillivray, Brit. Birds, v. Lestris cephus, Keyserling et Blasius, Wirbelth. Europ., i. 1840, 240. Bona- parte, Cat. Met. Ucc. Eur., 1842, 80. Bonaparte, Rev. Crit. Degland's Orn. Eur., 1850, 202. Bonaparte, Conspectus Avium., 1856, ii. 209. Des Murs, Traite d'Oologie Ornith., 1860, 551. Stercorarius cepphus, Gray, Genera Birds, iii. 1849, 652. Lawrence, Gen. Rep. Birds N. A., 1858, 840. Coues, Proceed. Acad. Nat. Sci. Philada., 1861, p. 243. PLarus parasiticus, Latham, Index Ornithologicus, ii. 1790, 819. Lestris parasitica, Temminck, Man. Orn., iv. 1840, 501. (Sed non Larus para- siticus, Linn., Gmel. et auct.) Lesson, Man. Orn., 1828, ii. 388. Swain- son and Richardson, F. B. A. 1831, ii. 430. Nuttall, Man. Orn., 1834, ii. Audubon, Orn. Biog., 1839, iii. 470. Audubon, Synopsis, 1839, 333. Audubon, Birds Amer., 1844, vii. 192, pi. 452. Giraud, Birds Long Island, 1844, 364. Lestris Buffoni, "Boie, in Meyers' Taschenb., 1810, iii. 212." Boie, Isis, 1822, 562 et 576. Bonaparte, Synop. Birds N. A. 1826, Ne. 306. Lesson, Traite d'Ornith., 1831, 616. Kaup, Sk. Ent. Eur. Thierw., 1829, 47. Schinz, Europ. Fauna, 1840, i. 391. Schlegel, Rev. Crit. Ois. Eur., 1844,85. Lestris L,essoni, Degland, " Mem. Acad. Roy. de Lille, 1838." Juvenis. Schinz, Europ. Fauna, 1840, i. 392. Juvenis. Lesiris crepidata, Brehm, Naturg. Eur. Vog., 1823, 747. Nee Gm., nee Lath., nee Vieillot. Adult, breeding plumage. Bill dusky, its nail almost black. Tarsi deep leaden blue ; tibia?, phalanges, interdigital membranes and claws black. Occiput subcrested, more decidedly than in any other species, forming a calotte of brownish black ; which color extends downwards on the cheeks, [May, NATURAL SCIENCES OF PHILADELPHIA. 137 the feathers'before and below the eye, and on the sides of the bill, being of this color. Neck all round, but especially the sides of the head and the peculiarly formed feathers on the latero-nuchal region, light straw yellow. Whole upper parts, with upper wing and tail coverts deep slate ; which, on the primaries, secondaries, lateral tail feathers and distal half of central pair, deepens into a pure lustrous brownish black. Under surface of wings and tail deeper slate than the back, but not so deep as the upper surfaces. Chin, throat and upper breast white ; gradually becoming obscured with dusky plumbeous, which (feepens posteriorly, so that the abdomen and under tail coverts are nearly as dark as the back. Rhachides of first two or three primaries pure white, deepening into brownish black at their extreme apices; of the other primaries, and of the tail feathers (including the central pair} brown, except just at the base, deepening into quite black terminally. The in- ferior surfaces of all the rhachides are white for nearly their whole length. Length of culmen 1*15 inches; gape 1-70; cere -60; unguis about the same; gonys -30 ; from feathers on sides of bill to tip -90; wing 12-50 ; tail 6-25 ; central pair 14-00 to 16-00 ; the projection 8-00 to 10-00 inches ; tibiae bare -75 ; tarsus 1-60; middle toe without claw 1-40. Habitat. Sea coasts of America and Europe, particularly in the higher latitudes. Interior of Arctic America. (Kennicott.) The changes of plumage of this species are strictly homologous with those of S. parasiticus ; and it is therefore quite unnecessary to present them in this connexion. As before remarked under head of parasitica, it is exceedingly difficult, if not quite impossible, to determine positively to what species the u parasitica" and ' cepphus" of the older authors refer. This confusion is occasioned partly by the brief and vague diagnoses given, and partly by the fact that the two species were really confounded by authors (except Brisson) until com- paratively quite a late period. Even so late as 1820 Temminck does not separate the two : his description applies to either, and the synonyms of both are indiscriminately adduced. From which state of things it results that nearly all the older names and citations may be without difficulty referred to either species. This in effect has been really done ; some authors, for ex- ample, considering Brunnich's or Linnaeus' parasitica to be the long-tailed species, and others holding a contrary opinion, until the identification of these names has become almost a matter of choice, or rather of tacit agree- ment among ornithologists. This is the more to be regretted since on it de- pends the question whether the common or the long-tailed Jager is to be called parasiticus. A glance at the synonymy of the species will show that authors have been about equally divided on these points. Before the introduction of 11 Richardson?' by Swainson, the common Jager was usually called "para- sitica;" but after the adoption of this name " Richardson? 1 by Temminck, for the common Jager, the name parasitica was for some years almost univer- sally applied to the long-tailed species. In the year 1819, or thereabouts, the name of Buffoni was proposed by Boie for the long-tailed species, and was adopted by many writers ; while others had recourse to Brisson's old name " longicaudatus." Within the last few years, however, the name "para- sitica" has again reverted to the common Jager, while the other species has been usually called " cepphus" after Brunnich. This identification of Brun- nich's name is adopted by Gray, Bonaparte, and other writers. Our reasons for rather referring it to the Stercorarius pomarinus will be found under the head of the latter. Granting, as it is undoubtedly wisest to do, that th.z parasitica of Brilnnich, Linnaeus and Gmelin, is really the common short-tailed^ Jager, it still remains an open question to which species we are to refer the Larus parasiticus of Latham. I incline to the opinion that it is based upon the long-tailed spe- cies, for the following reason : Although the diagnosis is brief and unsatis- 1863.] 138 PROCEEDINGS OP THE ACADEMY OP factory, and although the synonyms of the two species are indiscriminately adduced, (thus, e.g., Lotus parasitica, Linn, and Catharaela parasitica, Brunn., with Stercorarius longicaudatus, Briss., &c.,) yet in his further description he says of it, " 21 pollices longus." The common Jager never attains to this dimension. Latham commits the error of giving Stercorarius longicaudatus, Briss., as the male," and Stercorarius , Briss., (without a specific name,) as the female of his species ; whereas, these two citatio* really refer to the two distinct species. The specific name " longicaudata , ' > of Brisson (1760) being untenable for obvious reasons, " cepphus" of Brunnich (1764) being too indefinite to warrant its employment, "parasitica" of Brunnich (1764) being used for the common Jager, the first definite distinctive name for the long-tailed species appears to be " Buffoni" of Boie, (1819.) This specific appellation we accordingly adopt. Note. The present paper completes a series of brief reviews of the three most important of the four subfamilies of the Laridae, viz. : the La- rinse, Sterninag and Lestridinae. In conducting an investigation into the characters and the bibliography of these groups, with special reference to North American forms, it has been thought expedient to issue in advance a brief prodromus, so to speak, of each subfamily as soon as its examination was completed. Combining the results arrived at in the investigation of each of these groups, and making whatever additions or modifications future re- search may dictate, the writer hopes before long to present a more complete and elaborate Monograph of the North American forms of the Laridae. It is contemplated to present the anatomical as well as the external characters, both of the higher groups and of the more marked species ; the changes of plumage, dependent upon either age, season, sex, or pure accident, which examination of very extensive series may show ; together with the biblio- graphy of each species, and a discussion of doubtful points of nomencla- ture and relationship. The Monograph will be illustrated by colored plates of the bills, wings, feet, &c. of most of the species, showing exactly wherein one differs from another ; and no pains will be spared to render it a complete exposition of the present state of our knowledge of this family of birds. Synopsis of the MARINE INVERTEBRATA collected by the late Arctic Expedition, under Dr. 1. 1. Hayes. BY WM. STIMPSON, M. D. The collections of Dr. Hayes, as might be expected from the thorough search to which the Arctic regions have lately been subjected, and the characteristic paucity of forms existing there, embrace few novelties. They possess, however, great interest, from having been found in great part at localities much nearer the Pole thau any previous expeditions have succeeded in reaching on the American side of the Arctic circle. They include some species hitherto found only on the European side. And, we may add, the number of species collected by Dr. Hayes is greater thau that brought back by any siDgle ex- pedition which has yet visited those seas, as far as can be judged by published accounts. Of the localities mentioned below, Port Foulke and Littleton L. are on the eastern or Greenland shore of Smith's Straits, in lat. 78. Cape Faraday is on the west shore of the same Straits, in lat. 79 45'. Godhavn is at the southern end of Disco Island, in lat. 69 nearly. [May, NATURAL SCIENCES OF PHILADELPHIA. 139 CRUSTACEA. 1. Eupagueus pubescens Brandt. Pagurus pubescens Kroyer, Naturhist. Tidsskrift, ii., 251 ; Voy. de la Recherche, Crust, pi. ii., f. 1. Godhavn. 2. Crangon boreas J. C. Fabr. Cancer boreas Phipps, Voy. towards the North Pole, 190, pi. xii., f. 1; 1T73. Cancer homaroides 0. Fabr., Fauna Groenlandica, p. 241. Godhavn; Port Foulke ; Littleton I. 3. Hippolyte Gaimardii M. Edw., Hist. Nat. des Crust, ii., 378. Kroyer, Moa- ografisk Fremstilling af Slaegten Hippolytes Nordiske Arter, p. 74, pi. i. f. 21-29. Port Foulke. 4. Hippolyte gibba Kroyer, Monog. 80, pi. i., f. 30, 31, et pi. ii. f. 32, 37. II. Belchcri Bell, in Belcher's Arctic Voyage, ii., 402, pi. xxiv. f. 1. Port Foulke. 5. Hippolyte turgida Kroyer, Monog. 100, pi. ii., f. 57, 58, et pi. iii., f. 59- 63. Godhavn ; Port Foulke. G. Hippolyte Phippsii Kroyer, Monog. 106, pi. iii., f. 64-68. Port Foulke. 7. Hippolyte polaris Owen, Appendix to Ross' Voyage, p. 85. Kroyer, Monog. 116, pi. iii., f. 78-81, et pi. iv. , f. 82. Alpheus polaris Sabine, App. to Parry's Voyage, p. 238; pi. ii., f. 5-7. Port Foulke; Littleton I. 8. Hippolyte borealis Owen, Appendix to Ross' Voyage, p. 84, pi. i., f. 3. Kroyer, Monog. pi. 122, pi. iii., f. 74-77. Littleton I. 9. Hippolyte aculeata M. Edw., Hist. Nat. des Crust., ii.. 380. Kroyer, Monog., 126, pi. iv., f. 83-98, et pi. v., f. 99-104. Cancer aculeatus O. Fabr., Fauna Groenl. p. 239. Alpheus aculeatus Sabine, Appendix to Parry's Voyage, p. 237, pi. ii., f. 9. Godhavn. 10. Mysis oculata Kroyer, Groenlands Amfipoder, p. 88. Cancer oculatus O. Fabr., Fauna Groenl., p. 245. Port Foulke. 11. Anonyx ampulla Kroyer, Naturhistorisk Tidsskrift, Anden Raekke, i., 578. Voyage de la Recherche, pi. xiii., f. 2. Cancer ampulla Phipp's Voyage towards the North Pole, 1773, p. 191, pi. xii., f. 2. Gammarus ampulla Sabine. Anonyx lajena et A. appendiculosus Kroyer, Groenl. Amph., pi. 1. Dr. Hayes' speci- mens were obtained at " Gale Point," which I am unable to find on the chart. They differ somewhat from authentic specimens of the species, received from the Scandinavian Naturalists, in being larger, and in having the upper lobe of the eye broader. 12. Pherusa tricuspis nov. sp. Near P. bicuspis (Amphitoe bicuspis Kroyer, Greenland's Amfipoder, p. 45, pi. ii., f. 10) but has a dorsal spine, of lesser size, on the last thoracic segment, as well as on the first and second abdominal ones. The gnathopoda are slender and weak, the hands being no broader than the preceding joints. The antennae are very slender and nearly as long as the body. The latero-posterior margin of the third abdominal segment is armed with two small teeth, one situated at the inferior angle, (which is a right angle,) the other at some little distance above and hook-shaped, the point curving up- ward. The upper pair of uropoda or caudal stylets is shorter than the other two pairs. Length nearly one inch. Littleton Island. 13 Gammarus locusta J. C. Fabr., Ent. Syst. ii., 516. Kroyer, Groenl. Amfip., 27. Bate and Westwood, Hist, of British sessile-eyed Crustacea, i. 378, wood-cut. Cancer locusta Linn. Fauna Suecica, 2d ed. 497. Oniscus pulez O. Fabr., Fauna Groenl. p. 254. Gammarus pulez Stimpson, Mar. Invert, of Grand Manan, p. 55. Port Foulke. 14. Tiiemisto arctica Kroyer, Groenland's Amfipoder, p. 63, pi. iv. f. 16, (?) In stomach of seal taken at Cape Faraday. 1862.] 140 PROCEEDINGS OF THE ACADEMY OP 15. Bopyrus hippolytes Kroyer, Groenl. Amfip. p. 78, pi. iv. f. 22. Voy. de la Recherche, pi. xxviii. f. 2. Port Foulke. 16. Apus glacialis Kroyer, Naturhistorisk Tidsskrift, 2 R. ii. 431. Fresh waters of Greenland. 17. Branchipus paludosos Mull. Cancer stagnalis 0. Fabr., Fauna Groenl. p. 247. With the last. 18. Lernjeopoda elongata Grant, Edinburg Journal of Science, 1827, No.12. Kroyer, Naturhist. Tidsskrift, i. p. 259. Steenstrup and LUtken, D.mske Vid. Selsk. Skrifter, 5te Raekke, Nat. Math. Afd. 5te Bind, 1861, p. 422, pi. xv. f. 37. Port Foulke. 19. ILemobaphes cyclopterina, Steenstrup & Lutken,Danske Vid. Selsk. Skrif- ter, etc., 5te Bind, 1861, p. 405, pi. xiii., f. 30. Lernsea cyclopterina 0. Fabr., Fauna Groenl. p. 337. This very curious Lernaean, which has its ovigerous tubes arranged in two regular and closely-twisted spires, was found attached to the gills of a Gymnelis viridis taken at Littleton Island. 20. Balanus porcatus Costa. Lepas balanus 0. Fabr., Fauna Groenl. p. 423. West coast of Greenland. 21. Balanus balanoides Darwin. Lepas balanoides 0. Fabr., Fauna Groenl. p. 422. Port Foulke. 22. Coronula diadema Blainville, Diet, des Sc. Nat. 1824, tab. 117, f. 4. Le- pas diadema Lin. Lepas balsenaris 0. Fabr., Fauna Groenl. p. 425. On Whales, Baffin's Bay. ANNELIDA. 23. Lepidonote cirrata Oersted, Groenland's Annulata Dorsibranchiata, p. 14, figs. 1, 5, 6, 11, 14, 15. Aphrodita cirrata 0. Fabr., Fauna Groenl. p. 308. Port Foulke. 24. Lepidonote punctata Oersted, 1. c. p. 16. Aphrodita punctata 0. Fabr., Fauna Groenl. p. 312. Port Foulke and Littleton Island. 25. Onuphis conchilega Sars, Beskr. og Jagttagelser, etc., p. 61. 0. Esch- richtii Oersted, 1. c. p. 20, f. 33-41, 45. Godhavn. 26. Nereis pelagica Lin., Oersted, 1. c. p. 23, figs. 52, 53, 55, 58, 59. JV. verrucosa 0. Fabr. Godhavn. 27. Nephthys cveca Oersted, 1. c, p. 41, figs. 73, etc. Nereis exca 0. Fabr. Godhavn. 28. Phyllodoce groenlandica Oersted, !. c, p. 40, figs. 19, 20, etc. Port Foulke. 29. Scoloplos quadricuspida Oersted, 1. c, p. 48, figs. 106-110. Nais quad- ricuspida 0. Fabr. Godhavn. 30. Cirratulus borealis Lam'k, Oersted, 1. c, p. 54, figs. 98, 102. Lum- Iricus cirraius 0. Fabr., Fauna Groenl. p. 281. Godhavn ; Littleton I. 31. Ammotrypane limacina Rathke, Beitrage zur Fauna Norwegens, p. 202, pi. x. f. 4-8. Godhavn. 32. Siphonostomum plumosum Rathke. Amphitrite plumosa 0. Fabr., Fauna Groenl. p. 288. An. Miiller, Zool. Dan. Prodr. No. 2521 ? Port Foulke. Dr. Hayes' specimen has a much rougher surface than occurs in the Norwegian examples, if we may judge of the latter by Rathke's figures. 33. Tecturella flaccira Stimpson, Mar. Invert, of Gr. Manan, p. 32. Siphonostomum vayiniferum Rathke, Beitrage zur Fauna Norwegens, 211, pi. xi. , f. 3-10 ? Port Foulke. 34. Brada inhabilis. Siphonostomum inhabile Rathke, Beitriige zur Fauna [May, NATURAL SCIENCES OF PHILADELPHIA. 141 Norwegens, in Nov. Act. Acad. Cses. Leop. Carol. Nat. Curiosorum, Vol. xx. p. 218, pi. xi.,f. 13. Gale Point. We cannot be quite certain that the Green- land specimens, which are somewhat imperfect, are specifically identical with those of Norway. But they agree in size and all characters which can be clearly made out from the specimens received. Rathke's Siphonostomum inha- bile evidently belongs to our genus Brada, Mar. Invert, of Gr. Manan, p. 32. 35. Terebella cincinnata Reinhardt. Amphilrite tincinnata 0. Fabr., F. G., p. 286. Godhavn. 36. Terebella cirrata Cuv., Rathke, 1. c, p. 230. Amphitrite cirrala Mull., 0. Fabr., F. G. p. 285. Godhavn. 37. Pectinaria Eschrichtii Rathke, 1. c, p. 219. Amphitrite auricoma Mull., 0. Fabr., F. G., p. 289. Pectinaria groenlandica Grube, Familien der Anneli- den, p. 82. Godhavn ; PortFoulke. 38. Spirorbis nautiloides Lam,, An. s. vert., v. 613. Serpula spirobis Lin.' 0. Fabr., F. G., p. 337. Port Foulke. 39. Priapulds caudatcs Lam. Holothuria priapus 0. Fabr., F. G., p. 355. Port Foulke. Found in the stomach of a walrus. 40. Cosmocephala angulata. Planaria angulala Mull., 0. Fabr., F. G., p. 323. Godhavn. MOLLUSCA. 41. Clione limacina Phipps. Clio return Mull.; 0. Fabr., F. G., p. *334. Clio borealis Brug. Port Foulke. 42.. Bcccinum scalariforme Beck, in Moller's Index Molluscorum Groenlan- diae, p. 11. Godhavn. 43. Buccincm cyanbum Beck, in Moller's Index Moll. Groenl. p. 11. Port Foulke. 44. Trophon clathratum Moller, Index Moll. Groenl., 14. Murex clathratus Lin. Fusus bamffius Gould, Iuv. Mass., p. 289, f. 198. West coast of Green- land. 45. Trophon craticulatum Moerch. Tritonium craticulatum 0. Fabr. Tro- phon Fabricii Beck. N. W. coast of Greenland. 46. Natica clacsa Sow. N. W. coast of Greenland. 47. Margarita cinerea Conthouy, Gould, Inv. Mass., p. 252. N. W. coast of Greenland. 48. Margarita helictna Moller, Index Moll. Groenl., p. 3. Turbo helicinus 0. Fabr., F. G., p. 393. Margarita arctica Gould, Inv. Mass., p. 255, f. 173. The specimens brought home by Dr. Hayes from the N. W. coast of Greenland are of a much larger size than those found on the coast of New England. One of them measured 0.57 inch in diameter. 49. Mya truncata Lin. Port Foulke, very abundant. Nearly all the spe- cimens are of the short, broadly and obliquely truncated form, with the beak near the posterior end, called Uddevallensis by Forbes, which is characteristic of the glacial deposits of Europe and America, and is now found living, for the most part, only in high northern latitudes. The siphons of this bivalve were found in great numbers in the stomach of a walrus. 50. Saxicava arctica Desh. Mya arctica Lin., 0. Fabr. Mya byssifera 0. Fabr. Saxicava rugosa Lam. Saxicava distorta Gould non Say. Port Foulke large and very abundant. Among Dr. Hayes' specimens, the form arctica appears in much greater numbers than that called rugosa or pholadis. The siphons of this species also were found in a walrus' stomach. 51. Macoma sabulosa Moerch, in Rink's Greenland, App. p. 90. Tellina sabu- 1863.] 142 PROCEEDINGS OF THE ACADEMY OF losa Spengler. T. proximo, Brown. Sanguinolaria sordlda Gould, Inv. Mass. p. 67. N. W. coast of Greenland. 52. Astarte elliptica Macgillivray, Moll. Aberd. 259. Crassina elUpiica Brown, Ulust. Conch. G. B., pi. xviii., f. 3. N. W. coast of Greenland. 53. Astarte plana J. Sow., Min. Conch, pi. clxvix., f. 2, 1817. Venus borealis Cbemn. (non Lin.) . Crassina corrugata Brown. Astarte lactea Brod. & Sow., Gray, App. to Beechey's Voy., Zool., 152, pi. xliv., f. 19. Port Foulke. 54. Astarte striata Gray, Beechey's Voy., Zool., p. 152, pi. xliv. f. 9. Ni- cania striata Leach. West coast of Greenland. 55. Cardium (Serripes) groeslandicum Chemn. West coast of Greenland. 56. Cardium Hayesii, nov. sp. Near C. islandicum. Shell rather thick, ele- vated ; beaks prominent; ribs acute, 33 to 35. Witbin yellowisb ; teeth strong ; liganaental fulcrum short, so that the little notch indicating its posterior extrem- ity is situated about the middle of the distance between the cardinal and tbe posterior lateral teeth. Inner margin strongly crenated throughout, as well on the posterior margin as on the inferior and anterior ones. In this short description we have given only the characters which distinguish the species from its nearest allies, all of which inhabit the same seas. C. islandicum has more numerous ribs, a thinner shell, less prominent beaks, and a weaker hinge. C. arcticum Sow. has less numerous ribs. C. Dawsoni is more oblique, with a much thinner shell and weaker teeth. Cardium interruption of the English crag is less tumid, less oblique, and more pointed behind. C. Hayesii also.differs from all these species in the shortness of the ligamental ful- crum. Of this shell two specimens were taken by Dr. Hayes at Disco Island. One measures 0.88 inch in height by 0.9 inch in length; the other 1.6x1.75. With age it shows a tendency to become more compressed and expanded about the margins. I have received the same shell from Nova Scotia. 57. Leda minuta Moll. Area minuta, Mull. , 0. Fabr., etc. West coast of Greenland. 58. Modiolaria laevigata Loven. Modiola Isevigata Gray, App. to Parry's 1st Voy., p. 244. Mytilus discors 0. Fabr., non. L. West coast of Greenland. 59. Crenella faba. Mytilus faba 0. Fabr., F. G., p. 419. Modiola peclinula Gould. N. W. coast of Greenland. 60. Mytilus edulis Lin. Godhavn. 61. Pecten islandicus Mull. West coast of Greenland. ECHINODERMATA. 62. Pentacta frondosa. Uololhuria frondosa Gunner. Godhavn. 63. Chiridota laeve Grube. Holothuria Imvis 0. Fabr. Godhavn. 64. Myriotrochus Rinkii, Steenstrup, Videusk. Meddel. fra den Naturh.For- ening, 1851, 55, tab. iii., f. 7-10. Port'Foulke. 65. Asterias groenlandica. Asteracanthion groenlandicus Steenstrup. Port Foulke. 66. Asterias albula. Asteracanthion albulus. Stimpson Asteracanthion pro- blema Steenstrup. Port Foulke, Godhavn. 67. Ophioglypha squamosa. Ophiura squamosa Liit. Port Foulke, Godhavn. 68. Ophiopholis aculeata Liitken. Ophiura aculeata Mull. Godhavn. ACALEPH^E. 69. Lucernaria auricula 0. Fabr., Fauna Groenl., p. 341. Godhavn. Besides the above, Dr. Hayes brought home a considerable number of Nudi- branchiata, Actiniae, etc., which are very difficult to determine from alcoholic specimens. [May, NATURAL SCIENCES OP PHILADELPHIA. 143 Contributions towards a Monography of the order of PHOLADACEA, with Descriptions of new Species. No. 2. BY GEORGE W. TRYON, JR. Additions to Bibliography. Deshayes, G. P. Letter in Zeit. fur Malak. p. 44, March, 1845. Dufo, M. H. " Observations sur les mollusques marins, terrestres et fluviatiles des iles Sechelles et des Amirantes." Ann. des Sc. Nat. p 221, 1840. Fischer, P. Note surl'animal du Jouannetia Cumingi, smve de la description de deux especes nouvelles du meme genre. Journ. de Conchyl. p. 371, Oct., 1862. Jonas, J. H. Bemerkungen iiber einige der von Lamarck in seiner Hist. Natur. des Anim. s. Veitebr. aufgefiihrten Conchylien ArteD, mit besonderer Riicksicht auf die Zusiitze des Hernn, Deshayes. Zeit. fur Malak. p. 135, Sept., 1844. Conchyliologisehe Notizen. Zeit. fur Malak. p. 182., Nov., 1845. Stimpson, Win. On the genus Diplotbyra, Am. Jour. Science, p. 445, May, 1863. Descriptions of Species. ROCELLARIA DENTIFERA, Dufo. Gastrochxna dentifera, Dufo. Ann. des Sc. Nat. p. 221, 1840. Shell smooth and very thin, having an apophysis in the anterior part of each valve, and having also in each valve, but at the posterior extremity, a rounded and soldered piece. Hab. Madrepores, Seychelles and Admiral Islands. Very rare. Jouannetia Duchassaingi, Deshayes. Jouannetia Duchassaingi, Deshayes, Fischer, Journ. Conchyl. p. 375, t. 15, f, 3, Oct., 1862. " Testa globosa, solidissima, alba, valvis antice callo solido, longitudinaliter striato, munitis ; area antica longitudinaliter costata. transversim dense striata; area postica subtile et oblique striata: appendiculo postico valvae dextrae elon- gato, lato, rotundato, intus, laevi ; impressionibus muscularibus latis, crassis, lamellas promimentes formantibus. Diam. anter. post. 50 mill. All. 41 " Hab. Panama. (Coll. Deshayes.) Obs. This fine species, which surpasses in its size the Jouan. pectinata, be- longs to the group of Jouan. Cuminigi; its specific characters are entirely dif- ferent, so that it is impossible to confound it with that species." Jouannetia Vignoni, Fischer. Jouannetia Vignoni, Fischer, Journ. de Conchyl. p. 376, t. 15, f. 4, Oct., 1862. 11 Testa rotundato-ovata globosa, solidiuscula, valvis antice callo inflato munitis ; area antica radiatim costata, transversim et valide striata ; area postica late sulcata (in valva dextra,) dense et transversim striata (in valva sinistra;) appendiculo valvae dextrae elongato, rostrato, ad margines serrato ; impressionibus muscularibus posticis planis. Diam. anter. post. 10 millim. Alt. 7 " Hab. West Coast of Africa. (Captain Vignon.) Obs. This curious species approaches to the group of J. globosa and pec- tinata. It is remarkable for the development of the posterior appendage of the left valve, the inflation of the callous portion, &c. 1863.] 144 PROCEEDINGS OF THE ACADEMY OF The above two species are interesting additions to a genus which has hitherto been quite limited in species. The discovery of two (possibly three) new species of Pholadacea inhabiting the West Coast of North America, occur- ring within a few months, proves the truth of the remarks I made on this subject in the Proc. A. N. S., 1862, that, " greatly as the number of species have been increased by modern research, it is evident, from the general diffusion of the Order throughout the world, and from the incompleteness of our researches in those regions, which appear most to abound in them, . . . that the number at present known must be indeed a very small proportion of those which future investigation will probably reveal to us." ZiEPHiEA Gabbii, Tryon, plate 1, fig. 1. Shell large, transverse, obliquely divided by a deep furrow proceeding from the umbonal apex to the basal margin and forming a corresponding rib on the internal surface of the valve. Posteriorly to the furrow the shell is marked only by growth lines which, in crossing it, are elevated into sharp ribs, in which character they are continued to the anterior margin. The portion of the shell anterior to the radiating furrow is ornamented with numerous longitudinal ribs, approximating in pairs and rendered acutely scabrous at the intersection of the rib- like growth lines. Ventral anterior margin emarginate. Dorsal anterior margin reflected and closely appressed over the beaks. Posterior dorsal margin declining somewhat to the quadrately rounded posterior lateral end. Color white. Dimensions. Length \\ inch ; breadth 2j inch. Breadth anterior to furrow 9-10 inch ; posterior to furrow 1 J inch. Hab.~ Coast of Japan ? W. M. Gabb. My cabinet. Observations. This species is very closely allied to Z. crispata of our Atlantic coast, but may be distinguished by its more numerous and more scabrous ribs, by its greater proportionate width and the very disproportionate size of its an- terior and posterior areas. Can this be the species which Dr. Carpenter, in his Catalogue of our West Coast Mollusca, refers with doubt to Z. crispata? In the exchanges of com- merce it may have been brought there, or, (no strange distribution in this family) it may even exist on both shores of the Pacific. I received a single valve, somewhat mutilated, from our fellow member, Mr. Wm. M. Gabb, now of San Francisco, Cal., and name it after him, in recognition of the active service he is rendering to the science of Conchology in his adopted State. Xylotrta setacea, Tryon, plate 1, fig. 2, 3. Shell large, of nearly equal length and breadth. Beaks high, narrow, in- curved, and thickened, the apex lower than the auricle, which is long, moderately wide, extending more than half the length of the valve and joining the medial portion by a rounded obtuse angle. Anterior area obliquely triangular, not more than half the length of the auricle, its upper edge protected by a rib culmina- ting dorsally in a sort of knob. The anterior margin of the medial portion of the valve is straight, forming an acute angle with the triangular area; the posterior margin is oblique and somewhat convex. The junction of the auricle is marked externally by a depression of the surface, and internally by a pro- jecting ledge. Apophysis short, oblique, broad. Base of valve tuberculate internally. The valve is white, tinged with pink anteriorly and slightly glossy. The anterior area, which is separated from the body by a deep, narrow, sulcation, is sculptured by about thirty sharply cut, prominent, transverse ribs. The body is marked, first, by a narrow longitudinal area which is closely striate; then by a narrow double rounded rib, the surface of which is triangularly striate; then by a depressed space equally wide, with its sides accurately defined, and trans- versely sculptured. The whole surface of the body and auricle posteriorly is [May, NATURAL SCIENCES OF PHILADELPHIA. , 145 unmarked, except by growth lines, and the depression of surface at the com- mencement of the latter. Pallet large ; the jointed portion about the same length as the stalk, rather wide, with lateral extremities acuminate and inclining upwards. Sides of the joints fringed. These joints number about sixteen or eighteen. Stalk very slender and rounded. Dimensions. Length and breadth of valves about J inch. Length of pallet; 1|- inch. Breadth of upper portion of pallets about inch. Hab. Bay of San Francisco, Cal. Rev. J. Rowell. My cabinet and cabinet of Mr. Rowell. Observations. The valves of this specie3 bear a very strong resemblance ia size and form to T. megotara, Hanley. From X. bipennala, Turton, it is dis- tinguished by the basal margins of the auricle and anterior area not being on the same transverse line, and by its broader, more closely jointed and shorter pallets. From X. cucullata, Norman, it is distinguished by its different surface mark- ings and the sharp angle of the anterior area with the body. X. fimbriate/ has a shorter pallet and much smaller and differently formed valve; the same may be said of X. minima. X. Stuichburyi has very fine striae on the anterior area, and the pallets also differ. The latter, iu the present species, are somewhat Use those of X. palmulata, Lam., but are longer than in that species, and differ in the relative length and diameter of the stalks, and also by their fringed joints. Our fellow member, Dr. A. L. Ileermann, informed me some time since, of the existence of a shipworm at San Francisco, which, at the period of his visit there, (several years ago,) was committing great ravages in the destruction of the wharves of that city. It appears since to have become rare, and it was only after diligent inquiry that my friend, Mr. Gabb, found specimens in the collec- tion of Rev. J. Rowell, who kindly sent me one. Note on Diplothyra. in Am. Journ. Science and Arts, May, 18G3, p. 455, is a note by Dr. Stimp- aon on my genus Diplothyra, in which he asserts its identity with Martesia upon the ground that the additional dorsal valve is not a generic character, being sometimes developed by Martesia euneiformis. Although many of the speci- mens of Diplothyra Smithii do not exhibit the double dorsal valve, I attribute it to the suppression or abortion of that appendage, and regard the double valve as the normal condition of the genus and species. The shells which possess it are generally the largest and best examples, and its non-appearance in others is not surprising when we consider the character of the substance in which they reside, and the evident compression and distortion of many of the speci- mens. The species of the family Pholadidm are very liable to distortion and to the suppression or division of their dorsal plates ; for instance, in Dactylina d.uctylus they are frequently not developed at all ; in Martesia striata several specimens before me exhibit incipient stages of a division of the umbonal plate into three, but I certainly would not on this account doubt the generic distinct- ness of Penilella, which is characterized by having three valves. If Dr. Stimpson's M. euneiformis, when perfect specimens are selected, exhibit dorsal valves corresponding with my figure of D. Smithii, then either M. eunei- formis must be a Diplothyra, or else the specimens alluded to are not veritable euneiformis. I have very closely examined many specimens of euneiformis, striata, obtecta, etc., but have not detected a second proper umbonal valve upon them. Mr. S. P. Woodward, some years since, regarded the differences in the um- bonal plates as expressing specific value only, but his theory has since found no supporters. I have closely re-examined all the Pholadts in ray collection, and weighed anew the value of the specific and generic characters, and the 1863] 11 145 PROCEEDINGS OF THE ACADEMY OF result is a renewed conviction that D. Smithii is a very distinct species and that Diplothyra possesses in its umbonal plates a good generic character. Note on Penicillins. In a review of my work on Pkoladacea, published in the American Journal of Science, Prof. Gill suggests that Penicillins be elevated into a family, distinct from Gastrochsenidie, on account of the development of tentacles on the mantle-margin of the animal of the former. I have reviewed the subject and find no reason to alter the conclusions to which I originally arrived, namely, to regard this difference in the animal, in connection with differences in the shell, as possessing the value of a subfamily. Indeed, Prof. Gill has himself separated, as a subfamily only, (Ceriphasinm) our American Melanians, which differ from the exotic species in having a mantle with a plain instead of fringed or tentaculate margin. Descriptions of two new Species of Fresh Water Mollusca, from Panama. BY GEO. W. TRYON, JR. L. Planorbis Fieldii, Tryon, plate I, fig. 4, 5. Description. Shell small, moderately thick, polished, unmarked except by growth lines. Whorls three, almost equally convex above and below, and rapidly enlarging. Spire not much depressed, umbilical region of moderate width and not deep. Outer lip regularly rounded and almost equally expanded above and below the plane of the volutions. The aperture is slightly oblique. Dimensions. Diam. maj. 6, min. 4J millim. Alt. 2J millim. .tf^. Panama. Capt. Field, U. S. N. Coll. A. N. S. ; my coll. Observations. This species resembles some varieties of PI. dejlectus, Say, in which the whorl is not deflected at the aperture ; but it differs in the sides being regularly rounded instead of carinate, as in that species, and also in the dila- tion of the aperture above and below the plane of the shell, in this respect re- sembling somewhat PI. corpidenius, Say. PL Panamensis, Dunker, is a very different shell from Fieldii, being more de- pressed, differently sculptured, etc. Capt. Field presented to the Academy about a dozen specimens of this species, together with a new Amnicola (herein described,) and a few specimen? of Succinea recisa, Morelet, all collected by himself at Panama. 2. Amnicola Panamensis, Tryon, plate 1, f. 6 Description. Shell conical, smooth and shining, consisting of four rapidly increasing, very convex whorls. Sutures deeply impressed ; spire prominent. apex acute. Aperture rounded ; umbilical region slightly perforate. Dimensions. Length 4J millim. Diameter 3 millim. Hab. Panama. Capt. Field, U. S. N. ; coll. A. N. S. Observations. This shell is very like A. decisa, Hald., in form, but the whorls are more convex and the aperture nearly rotund. It also resembles A. Cincin- natiensis, Anth., which is, however, a more slender species. The shell is smaller than either of the above. T think this is the first species of Amnicola found upon the Isthmus. Description of a new Exotic Melania. BY GEORGE W. TRYON, JR. Melania Helena, Tryon, t. 1, f. 7. Description. Shell tur#ited, whorls eight or nine, angulated in the middle, [May, NATURAL SCIENCES OF PHILADELPHIA. 147 rather flattened above, convex below, sutures deeply impressed. Surface spirally nodulously ridged, the nodules running into waved longitudinal ribs. Aperture narrow, a little produced in front, contracted behind. Outer lip sinuous, angulated in the middle. Dimensions. Length 20 mill. Diam. S mill. Hab. Philippine Islands. My cabinet. Observations. This shell is allied to Melania perfecta, Mousson, from Java, but differs in being angulated, and in having a longer, narrower aperture; it is also a little smaller and the apicial whorls are sculptured, not smooth. Since the above description was written, I have observed in the collection at the Academy fine specimens of Melania Mauiensis, Lea, the sculpturing of which somewhat resembles this species, but they are much stouter, more obtuse shells, with the periphery not angulated. Descriptions of new Species of Fresh Water Mollusca, belonging to tie Families AMNICOLIDJE, VALVATID2E and LIMN2EIDJE ; inhabiting Cali- fornia. BY GEO. W. TRYON, JR. The following species of Shells sent to me by my friend Mr. Wm. M. Gabb, were principally collected by Rev.J.Rowell, of San Francisco, a gentleman who has devoted much time to the study of the Mollusca of the State of California. It is not without considerable hesitation that I propose new species in genera wherein the variations of form, due to climatal and other influences, are so great, and where the geographical distribution is frequently so extended ; and it is only after very extensive comparisons with the related species which have already been characterized, that I select for description those among the 3uite sent to me which appear to be most distinct, leaving others unnamed, until a more extended exploration of the State shall give us a more perfect knowledge of the extent and relations of the Molluscous fauna inhabiting its waters. A considerable number of shells belonging to the above families, appear to inhabit the entire breadth of the continent; adding to these the forms ascer- tained to be peculiar to Oregon and California, we find already decided indica- tions that these States form the metropolis of the fresh-water Pulmono- branchiates of North America. I have added to the descriptions of new species, a list of those already described, which have been sent to me by Mr. Gabb, because, in most cases, the localities are new and interesting. AMNICOLIDJE, Tryon. 1. Amnicola Rowellii, Tryon, t. 1. f. 8, 9. Description. Shell depressed, wider than high, consisting of three and a half whorls, which are regularly convex and rapidly enlarging ; spire smal" but little elevated, apex acute, sutures well marked ; base convex, except that the region surrounding the umbilicus is flattened and inclining towards the axis, its outer boundary, consequently, is marked by an angle ; umbilicus small but very distinct ; aperture half ovate, the labrum well rounded and thin, the labium but slightly rounded, thickened, elevated from the body-whorl, forming an acute angle with the labrum above, and not impinging on the umbilicus. Surface marked with close, regular, minute striae, which become enlarged in the flattened umbilical region into sharp crowded lines visible without a glass Color light horn or yellowish, operculum darker. Operculum paucispiral, the line3 of accretion very distinct and regular. Dimensions. Length 25 mill. Diam. maj. 4. mill., min. 3 mill. Length of apert. 2 mill., breadth 1?, mill. Hab. Clear Lake, California. Rev. J. Rowell. My cabinet and cabiEe; of Mr. Rowell. 1863.] 148 PROCEEDINGS OF THE ACADEMY OP jervations. This species cannot be compared with any other hitherto described, being much more depressed, and widely distinct in the form of the umbilical region. It may possibly form a species of the genus Somalogyrus, recently proposed by my friend, Mr. Theo. Gill, for a small Mollusc from Iowa, which I described in the Proceedings of the Academy for September, 186-2. 2. Pomatiopsis Binneyi, Tryon, t. 1, f. 10. Description. Shell minute, elongated, consisting of four to five very convex whorls ; apex somewhat obtuse ; aperture ovate or nearly suborbicular, both iips rounded ; umbilicus very small. Color light-horn. Dimensions. Length 3 mill. Diam. 1-6 milli.m. Length apert. 1-25 mill., breadth 1 mill. Hab. Bolinas, California. Rev. J. Rowell. My cabinet and cabinet of Mr. Rowell. Observations. Seven specimens of this very small and exceedingly fragile species were sent to me; they exhibit, however, all the stages of growth from the very young to adult form. None of them retained the operculum. It is much smaller than any other species of Pomatiopsis, and is not likely to be confounded with any of them. It approaches nearest in form to two Euro- pean species of Bythinia, B. acuta and B. viridis : the former, however, has a more lengthened, acute spire, and the latter is a more robust and ventrk-oee shell. Amnicola protea, Gould, from Colorado Desert, described in Proc. Bost. Soc. X. Hist. v. 129, Oct., 1855, (read Dec. 20, 1854,) is the same as Melania exiaua, Conrad, from same locality. Described in Proc. Acad. Nat. Sci. p. 269, Feb., 1855. (Read Feb. 13tb, 1855.) The shell belongs to a new genus of the family Amnicolidae. Some small fossil shells sent to me by my friend, Dr. F. B. Meek, appear to belong to the same genus. Of course Mr. Oonrad's specific name will take precedence over that of Dr. Gould. VALVATID-E. :;. Valvata virens, Tryon, t. 1, f. 11. Description. Shell turbiniform, consisting of four well rounded whorls, spirt- elevated, apex acute, sutures deeply indented ; periphery almost angulated ; umbilicus very wide ; aperture oval or nearly round, the peristome merely touching the body above. Surface closely striate. Color varying from brilli- ant to dark green. Dimensions. Height 5 mill. Diam. maj. 5 mill., min. 4 mill Length apert. 2-5 mill., breadth 2 mill. Hab. Clear Lake, California. Win. M. Gabb. My cabinet and cabinet o< Mr. Gabb. Observations. A number of specimens of this species are before me, most of fbem being about two-thirds grown. It has no American analogue. LIMN.EID.E. 4. Limnjsa Adklin.e, Tryon, t. 1, f. 12. Description. Shell thin, semi-transparent, body whorl large, wide, convex ; spire small, consisting of five convex volutions, attenuating rapidly to' an acute apex, sutures impressed; inner lip thin, reflected, but not covering the umbili- cal fissure, which is narrow ; columella twisted ; color light-horn, polished within the aperture, outer lip tinged with red within. Dimensions. Length 14 mill. Diam. maj. 8 5 mill. Length of aperture 9 millim., width 5 millim. Hab. San Francisco, California. Rev. J. Rowell. My cabinet and cabinet f Mr. Rowell. [May. NATURAL SCIENCES OF PHILADELPHIA. 14* Observations. This shell is nearly allied to L. catascopium, Say, and perhaps more nearly to L. intermedia, Mich., of Europe. From the former it maybe dis- tinguished by being more fragile, more transverse, with a smaller, more rapidly attenuating spire, but principally by the presence of an umbilical fis- sure, which in catascopium is entirely concealed by the appression of the la- bium. In this and other respects it is very near to L. intermedia, which, how- ever, has a shorter spire, of fewer volutions. I name this species after my sister, Mi33 Adeline S. Tryon, who has evinced much interest in conchological pursuits. 5. LiMNyBA Traskii, Tryon, t. 1, f. 13. Description. Shell elongated, the spire drawn out and apex acute. Whorls six, convex, almost shouldered, sutures deeply impressed. Aperture small, oval, labrurn well rounded, labium slightly rounded, not appressed below, nor covering the umbilicus, which, though small, is very distinct. Color light-horn or cinereous. Dimensions. Length 16 mill., diam. 8 mill. Length of aperture 1 mill. ; breadth 5 mill. Hah. Mountain Lake, California. Rev. J. Rowell. My cabinet and cabinet of Mr. Rowell. Observations. At first I was disposed to regard this shell as a variety of L. prozima, Lea, but a comparison with the type specimens of that species* shows the following differences : the volutions are not so oblique, and are more rounded, the aperture is also more rounded and the shell is umbilicated. Named in honor of Dr. J. B. Trask, one of the pioneers of California^ Conchology. Limn^a caperata, Say. San Francisco. Oakland. LimnjEa fragilis, Linn. San Francisco. Mountain Lake. LiMNyBA umbrosa, Say. San Francisco. Mountain Lake. LimNvBa reflexa, Say. Mountain Lake. C>. Physa Gabbii, Tryon, t. 1. f. 14. Description. Shell large, thin, closely striated by the lines of growth ; body whorl inflated, its upper half flattened so that the labrum appears angulated in the middle; spire moderate, apex acute, whorls six, convex, with distinct sutures. Color light corneous, very much polished within ; lip margined with red. Dimensions. Length 25 mill., diam. 13 mill., length of aperture 15 mill breadth 8 mill. Hob. Mountain Lake, California; Rev. J. Rowell. Santa Ana River, Los Angelos Co., California; Wm. M. Gabb. My cabinet and cabinets of Mr Rowell and Mr. Gabb. Observations. Several specimens of this fine large species were communicated to me by my friend Mr.Wm. M. Gabb, after whom I take great pleasure in nam- ing it. It is a much larger, thinner species than Ph. heterostropha, Say, and U at once distinguished by the peculiar flattening of the superior portion of the body whorl. The same character will also distinguish it from Ph. bullata. Gould, in which species the aperture moreover is proportionately longer. Physa gyrina, Say. Mountain Lake. Physa costata, Newcomb. Clear Lake. (Original loc.) Physa humerosa, Gould. Colorado Desert. (Origual loc.) Physa virgata, Gould. Santa Ana River, Los Angelos Co. Physa heterostropha, Say. Dry Creek, Butte Co. Clear Lake, Centerville Oakland. 1. Ancylcb fragilis, Tryon, t. 1, f. 15. Description. Shell very small and fragile, sides nearly parallel or slightly in- curved in the middle, but diverging anteriorly; ends rounded. Apex elevated acute, curved backwards, with about two-thirds of the shell anterior to it 1863.] 150 PROCEEDINGS OF THE ACADEMY OF Dimensions. Size of the largest specimen. Length 4 mill., breadth 115 mill., heigth 1 mill. Most of the specimens do not exceed two-thirds of these dimensions. Bab. Laguna Honda, California. Rev. J. Rowell. My cabinet and cabi- net of Mr. Rowell. Observations. This species is smaller, thinner, and wants the convex lateral margins of our Anc. rivularis, Say. It agrees with that shell, however, in the greater width of its anterior end, while in the shape of its lateral margins it resembles Anc. parallelus, Hald. It is much the smallest of our species. Planorbis ammon, Gould. Pajaro River, Monterey Co. Planorbis trivolvis, Say. Mountain Lake. Planorbis gracilentus, Gould. Mountain Lake. Planorbis vemicularis, Gould. Mountain Lake. Planorbis orercularis, Gould. Mountain Lake. Planorbis Newberryi, Lea. Clear Lake. (Communicated by the Smithsonian Institution.) Notes on the BIRDS of Jamaica. BY W. T. MARCH. With remarks, BY S. F. BAIRD.* I. VULTURIDiE. 1. Cathartes aura. The John Crow Vulture is the soaven-er oi tropica: towns and villages, and so highly are his services in this respect appreciated, that he is, in some of the islands, considered entitled to legislative protection. An ordinance of the corporation of the city of Kingston imposed a penalty on any person destroying one of them within the precincts of the city. The oc- currences related by Mr. Gosse, in "Birds of Jamaica," would seem to lead to the inference that the two senses of seeing and smelling, sometimes singly, and at other times unitedly, give to the aura the facility with which he traces his food ; but they are not conclusive. Is his sense of smelling so acute as to enable the John Crow to distinguish, at a distance, the stench of a putrid carcass from the atmosphere of offensive effluvia emanating from, and float- ing about, his own vile body ? With the knowledge that, in the tropics, a dead carcass, or dying animal, and often even fresh garbage, is quickly sur- rounded and covered by swarms of flies, hovering, and buzzing above and about it, or the place in which it is deposited, may we not be equally led to ihe conclusion, that the Vulture is directed by the flies, aud that sight alone is the sense by which he finds his necessary food ? By whatever sense he is led, he certainly traces his food from a far distance. When a dead carcass has been discovered by some, numbers of other Vultures are directed by the motion of those gathering together, and soaring at a great height, sweeping round and round in irregular circles. Shortly after the commencement of the Rebellion of 1831, and long after its suppression, the Aura Vulture was a rare object in the landscape of the midland and eastern parishes ; they had all departed for the scene of carnage in the West, where they remained for many months. The Cathartes aura breeds in solitary pairs. I have never seen them, or ^Specimens ot most of the birds, and of the eggs described, have been presented by Mr. Maich to the Smithsonian Institution, under the numbers which they bear in big communication. (E [May, NATURAL SCIENCES OF PHILADELPHIA. 151 heard of their associating during the season of incubation. In the hills they select a spot sheltered by overhanging rocks, or trees, for their breeding place. At Walton, in the Moneague district of Saint Ann, a pair breeds annually on a rock known as the John Crow Rock, the young birds never remaining ; one pair alone retaining possession of the homestead. In the plains or val- leys, they generally take the base of some large tree for their resting-place. I have often seen eggs and young birds found on the limestone hills, in the neighborhood of Spanish town, as well as from the Port Hudson, and Health- shire ranges and the adjoining woodlands. In 1834, I found a pair of young John Crows, under a Fustic tree, in a wide belt of Pingnins, not 500 yards from the residence of Heartsease Penn, three miles from Spanish Town. In 1842, I found two eggs in a thick bush, under the shade of an Inga Saman, on the river bank at Rodons Penn, a mile and a half from town ; and in 1861. a. pair of young birds were found under a large spreading Cash aw tree, a few feet from a path leading to a cottage on a Penn, near the race-course. On every occasion of the finding of eggs, or young birds, there have been only two, and these have always been discovered on the bare ground, without the slightest apology for a nest, save any decaying leaves or other vegetable sub- stance fortuitously on the spot. The eggs are oval, and measure 2| by 2 inches, or nearly so ; the ground color is cream, or creamy, or clayish white, with dashes and spots, and some irregularly formed blotches of umber brown, intermixed with grey slaty cloudings beneath ; the ground coloring and markings of some are dark, whilst in others they are much lighter. 186. Cathartes atratus.* The black, or Carrion Crow Vulture, if we are correct in the identity, is a recent settler in Jamaica. The first pair observed were captured at Port Henderson, I think, in 1S47, for Mr. Justice Macdougal. who sent them to the late Earl of Derby. Individuals of the species are still ob- served about Port Henderson and the Healthshire Hills, and occasionally over Spanish Town. In 1861, a specimen, apparently a male, was caught in my garden in the Town, but from the carelessness of a lad it escaped before it was examined, previous to its being prepared. On two occasions, whilst trav- elling to Saint Anns, I have observed them ; the first time there were two the second, three passing rapidly up the mountain gorge, near Miss King- ston's tavern, on the Walks Road, through which the Rio Cobre flows, from St. Thomas, in the vale, to the lowlands, on its onward course to the sea : and Mr. Hill informs me that he has, on several occasions this year, seen them about the same place. The species is yet too rare to justify any spe- culation as to their becoming domiciled in any number, or what' their o- e n- eral habits may be when they become permanent settlers. Their flight is in angles or straight lines, rarely in circles, like that of the Aura, and then the circles are more circumscribed. 187. Cathartes ? In the autumn of 1828, I obtained from Great Salt Pond a specimen of a black Vulture, mottled with white spots, about the size of Pandion carolinensis. It was so obese, with deep fulvous fat. that I had much difficulty in preserving it in part. I sent the specimen to the Royal Dublin Society, but have received no information of its having been identified with any described species. I did not take the dimensions. FALCONIDJE. 2. Buteo borealis. The Chicken Hawk is distributed generally throughout the island, but is not more common than tne Pigeon Hawk ; though from his habits he is more frequently observed. He prefers an open country, with some lofty trees about. He was formerly often seen, and heard by himself, or with his mate, soaring in circles, and his peculiar cry, ping-ye-e, heard overhead in Spanish Town ; but of late years, since the pastures in the vi- 1863.] * Not mentioned by Qosse. 152 PROCEEDINGS OF THE ACADEMY OP unity of the town have been allowed to grow up into bush and brush, he is seldom seen or heard near the Town. He now resorts to those places where the grounds and commons are more open and unencumbered by low or tan- gled growth of underwood. The Chicken Hawks do not confine themselves to any particular mode or place of breeding ; comparative height appearing to be the chief object. They generally select the loftiest tree in the locality, without reference to its being inaccessible or otherwise, where they construct their nest at the highest available point. In the lowlands, the silk cotton tree is generally selected for the purpose, but the Cashaw or Hogg Plum is as often used. I have sometimes met with a nest in a Cashaw tree, not more than 20 feet from the ground, quite accessible, and near a frequent path. Several pairs of young birds have been at different times taken from the roof of the turret of the belfry of the Spanish Town Cathedral Church. The last pair I saw was taken in 1852. The nest is a platform of dry sticks more than a foot across, and two or three inches thick ; the bed of the nest is about six inches across and two inches deep, of grass, inner bark and leaves ; it usually contains 4 or 5 eggs, nearly spherical, 2| by If inches, of a dirty or clayish white, dashed with blotches and spots of vandyke, and umber brown, often running with a lighter shade into the ground color. 3. Falco anatum. The great-footed, or Duck Hawk, is an annual visitor, following the flocks of migratory ducks, which resort here in the autumn and early winter months, and sometimes on their return, passing over in the spring . I have obtained specimens in October and the intervening months until Jan- uary, and again in April. It is of larger dimensions than the Peregrine Falcon, and I have not seen it here ia the light plumage of the lattter. I obtaiued a specimen of the true Peregrine Falcon at the same time with the black and white Vulture. It wa3 evidently a trained bird, as it was very docile, and had the leathern collar, or gorget, on its neck. It was shot at Great Salt Pond, following a flock of Teal. The wing was broken near the shoulder joint ; it lived for a fortnight, when it died from mortification of the wound. This specimen I also sent to Dublin. 188. Tinnu.vculus ? A small brown Hawk,* known as the Sparrow Hawk, and which I take to be of this genus, is often met with in the moun- tains. I have several times seen it sweeping past in rapid flight, but have not yet obtained a specimen, or gleaned any information of its habits. 4. Hypotriorchis columbarius. The Pigeon Hawk is a permanent resident more frequently found in the hills than the plains. Sometimes he is seen perched on a lofty tree, but seems to prefer lurking in low bushes or trees, from whence he swoops suddenly and directly on his prey. The nest is gen- erally constructed on some lofty tree, often screened by thick foliage, and is a slight platform of sticks and grass, matted with some softer material, as grass, inner bark or leaves ; the only one I have ever collected contained four round oval or spherical eggs, measuring If by 1^ inches, of a dull or clayish white, marked with sepia and burnt umber, confluent dashes and splashes irregularly dis- tributed, principally about the middle and larger end. Some few years ago, [ saw four eggs taken from a nest, described as above, in the lower St. John's Mountain ; the eggs were oblong oval, about the same size as the last, and nearly covered with chocolate and umber blotches ; probably they belonged to two distinct species. 6. Pandion Carolinensis. The Fish Hawk is regular in his autumnal visits, confined, however, to the coast. An intelligent and observant sportsman, then residing at Port Henderson, told Mr. Hill arid myself, many years ago, * This may be a Tiniimculus, or a snnll Accipiter ; perhaps frinyilloi des : or, more unlikely fuscus. (B.) [May, NATURAL SCIENCES OF PHILADELPHIA, 153 that he once found a nest of this Hawk, on a large dead tree in Dawkin's Salt Pond, near Port Henderson. 7. Nauclerus furcatus. I have never met with a specimen of this Hawk, bat Mr. Hill has. It is a rare visitor. 5. Morphnuus crubutinga. This is also a rare visitor. I saw a large bird answering the description at Heartsease Penn, where I resided in 1835. It came to a lofty fustic tree daily, about three o'clock in the afternoon, for some three weeks, and then disappeared. I made several attempts to shoot it, but it was too wary. In 1858 I obtained near Spanish Town a red shouldered Hawk, which I also sent to Dublin, at the time believing it to be an immature specimen of Buteo borealis, but I am now inclined to think it was another species. STRIGID^E. 9. Strix pratincola. The Barn Owl is very common in all .parts of the island. It breeds in caves, hollow trees, and old buildings. It is often found beneath the roofs and ceilings of inhabited houses and plantation buildings, where it finds a way of ingress. Eggs and young birds were often taken from the interior of the belfry turret of the Spanish Town Cathedral Church, until the loops by which they entered were blocked up. This Owl makes no nest, but deposits 4 or 5 eggs on any trifling collection of debris or rough materials found on the spot. The eggs are generally in different stages of incubation. They are chalky white, and measure If by 1 inches, some a little more or less. 8. Ephialtes grammicus. Though not uncommon, and his cry of whoo- whoo-hoo, is often heard in some districts, yet from the obscure color, and stealthy, noiseless flight at dusk, or at night, the Eared Owl escapes observa- tion. The only specimens I have obtained during many years were two ; one was knocked down at Government Penn, in broad day, from an old blooming cherry tree, clothed with a mass of trailers of convolvuli ; the other was shot one evening at Great Salt Pond Penn, in the same neighborhood. On obtain- ing the first specimen, I examined the tree and found two young, half-fledged birds on a matting of leaves, in a decayed hollow at the top of the tree. I have been informed that eggs and young birds have been taken from old pi- geon cotes at Great Salt Pond and Hoghole Penn's, bat I have never seen the eggs, unless the two next referred to belong to it. I have lately a fine speci- men of a female from the Saint Catherine's Hills. 225. My sons found this year (1862), at Iteid's Penn, in the vicinity of Great Salt Pond, two eggs, in a deep cup, roughly constructed of dried sticks and lined with twigs, grass and leaves, in the topmost branch, and concealed by the thick foliage of a tall Genep tree (Mellicocea bijuga). I know of no bird in that district to which these eggs can be assigned, unless they belong to Piaya pluvialis, or to Ephialtes grammicus, as they are much too large for the small brown owl ; and the Patoo, as I am infomed, lays a very different egg on the ground. The eggs referred to are chalky white, and vary in size ; one is li by 1 inch, the other If by a trifle more than 1 inch. 195. In 1857 I obtained two specimens of a small brown owl, from Great Salt Pond Penn, but know nothing of the character or habits of the species. It is probable the small wood owl of Sloane. It is the owl referred to by Mr. Hill, in " Notes of the Year," and quoted by Mr. Gosse, page 22. SCANSORES-CUCULID^E. 89. Crotophaga Ani. The Savanna blackbird is one of the common inci- * This may be a Tinn uncu lus, or a small Accipiter ; perhaps frinjilloides : or, more unlikely fuscus. (B.) 1863.] 12 154 PROCEEDINGS OF THE ACADEMY OP dents to the lowland landscape ; it generally builds on the low branches of trees or bushes, heaping together a mass of sticks and leaves, in the centre of which is formed a shallow bowl, with softer materials. Each female lays 4 eggs ; several pairs, however, usually occupy one nest, in which 20 or more eggs are often found. These are oval, or oblong oval, rounded at both ends, measuring from JL by 1 inch, to 1} by 1^, seagreen, covered with a white chalky substance, removed by washing. In the absence of the birds, which, however, is rarely the case after incubation comtnences, the eggs are covered up with leaves. I have never heard of the Savanna blackbirds being taught to speak. Whenever a flock of Guinea fowls is feeding, the Ani are often to be found at hand, as it were keeping guard, and giving instant alarm on the approach of any one. 87. Coccyzus dojiinicus.* The May Witch is a constant resident in the island, and more common in the lowlands during the summer than C. seniculus. It breeds from March till July, and builds in the low branches of trees or shrubs, or on penguin fences. The nest is a structure of a few dry sticks, so loosely put together that it falls to pieces on any attempt to remove it ; 3, rarely 4 eggs are laid ; they are glaucous green oval, generally though not always round at both ends, and vary in size from 1| by | to If by 1 inch. 88. Coccyzus seniculus. The nest of the black-eared Cuckoo is sometimes though not so frequently found in the same localities, and at the same times as those of its congener. The nidification, form, color and dimensions of the eggs are so like that the ownership of a nest can only be determined by the presence of the bird. There is another Cuckoo often met with in the Mangrove swamps, on the seacoast, known as the Mangrove Cuckoo. It closely resembles the May Witch, except in its smaller size. It is, I think, only a visitor. This may be the C. trythrophthalmns or an allied species. Descriptions of fourteen new species of HELANID2E and one PALTJDINA. BY ISAAC LEA. Goniobasis Milesii. Testa laevi, subfusiformi, olivacea, evittata; spira sab- elevata; suturis irregulariter impressis; anfractibus senis, subinflatis ; aper- tura submagna, subrhomboidea, intus subfusca ; labro acuto, vix sinuoso ; columella purpurea, parum incurva. Habitat. Tuseola County, Michigan, M. Miles, State Zoologist. Goniobasis lithasiodes. Testa laevi, subfusiformi, cornea, evitta ; spira conoidea; suturis impressis; anfractibus senis, subconstrictis, superne planu- latis ; apertura grandiuscula, rhomboidea, intus albida; labro acuto, parum sinuoso; columella alba, infiecta, parum contorta. Hab. Ohio, J. P. Kirtland, M. D. Goniobasis Decampii. Testa, plicata, inferne striata, valde attenuata, tenui, cornea, evittata; spira subulata; suturis linearibus, impressis; anfractibus instar denis, subconvexis, superne plicis aliquanto flexis ; apertura parvissima, subrhomboidea, intus albida ; labro acuto, parum sinuoso ; columella albida incurva et contorta. ,Hab. Huntsville, Alabama, Wm. H. DeCamp, M. D., Surgeon U. S. Army. Goniobasis infoumis. Testa laevi, cylindrico-conica, tenebroso-cornea, evit- * This species is the C. ame.ricanus, or Yellow-billed Cuckoo, of Gosse. I find it, however, to be quite distinct from the North American bird, and identify it with the C. dominicus, of the older authors : a species generally referred to the C. seniculus, of Aud., C. minor, ot Cabanis, Baird and others. (B.) [May, NATURAL SCIENCES OP PHILADELPHIA. 155 tata ; spira parum exserta ; suturis irregulariter impressis ; apertura parvi- uscula, subovata, intus albida; labro acuto, valde sinuoso ; columella alba et valde contorta. Bab. Falls of the Ohio at Louisville, "W. H. DeCamp, M. D. Goniobasis Louisvillensis. Testa lcevi, fusiformi, tenebroso-cornea, evit- tata ; spira curta, ; suturis irregulariter impressis ; anfractibus instar quinis, subconvexis ; apertura, subgrandi, longo-elliptica, intus alba; labro acuto, vix sinuoso ; columella alba, superne incrassata, aliquanto contorta. Hab. Falls of the Ohio at Louisville, W. H. DeCamp, M. D. Goniobasis infantula. Testa lasvi, fusiformi, tenebroso-cornea, valde vit- tata; spira curta; suturis vix impressis ; anfractibus quinis, superne planula- tis; apertura subgrandi, ovata, intus vittata; labro acuto, vix sinuoso ; colu- mella purpurea, incrassata et contorta. Hab. Falls of the Ohio at Louisville, W. H. DeCamp, M. D. Goniobasis aterina. Testa, lasvi, subfusiformi, atra vel virido atra,, crassius- cula ; spira obtusa ; suturis regulariter impressis ; anfractibus senis, con- vexiusculis ; apertura subgrandi, subovata, intus purpurea, aliquanto albida ; labro acuto, vix sinuoso ; columella inflecta, purpurea, incrassata et contorta. Hab.Q&v Spring, Cumberland Gap ; and Rogers' Spring, West of Fin- castle, East Tennessee, Capt. S. S. Lyon, U. S. Army. Goniobasis pobrecta. Testa striata, attenuate, tenebroso-fusca, uno-vittata,; spira attenuate, acuminata; suturis valde impressis; anfractibus novenis, planulatis ; apertura parva, ovata, intus albida vel tenebr^a ; labro acuto, parum sinuoso; columella inflecta et contorta. Hab. Gap Creek and Spring, Cumberland Gap, East Tennessee, Capt. S. S. Lyon, U. S. Army. Goniobasis vittatella. Testa laevi vel subcarinata, conoidea, tenebroso- fusca, uno-vittata. ; spira subacuminata ; suturis linearibus ; anfractibus octo- nis, planulatis ; apertura parva, subrhomboidea, intus tenebrosa ; labro acuto, parum sinuoso ; columella inflecta et contorta. Hah. Cumberland Gap, East Tennessee, Capt. S. S.Lyon, TJ. S. Army. Goniobasis Cumbeklandiensis. Testa, laevi, acuminato-conoidea, subtenui, rufo-fusca, ; spira subelevata ; suturis regulariter impressis ; anfractibus octonis, convexiusculis; apertura parviuscula, subrhomboidea, intus albida vel pur- purescente ; labro acuto, parum sinuoso ; columella albida vel purpurea, in- flecta et contorta. Hab. Gap Spring, Cumberland Gap, Capt. Lyon; and Knoxville, Tennessee, Wm. Spillman, M. D. Trypanostoma Currierandm. Testa carinata, valde attenuata, tenebroso- fusco-vittata ; spira valde exserta ; suturis linearibus, vix impressis ; anfrac- tibus, instar denis, planulatis ; apertura parva, rhomboidea, intus vittata ; labro acuto, valde sinuoso ; columella albida et valde contorta. #a6._Florence, Alabama, W. H. DeCamp, M. D. Trypanostoma Lyonii. Testa laevi, conica, virido-cornea, evittata, ; spira. subelevata ; suturis impressis ; anfractibus instar senis, convexis ; apertura parviuscula, rhomboidea, intus albida ; labro acuto, valde sinuoso ; columella alba, inferne incrassata et contorta. Hab. Cumberland River, near the Ford and Big Creek, south of Cumberland Gap, East Tennessee, Capt. Lyon, U. S. Army. Trypanostoma curtatcm. Testa lsevi, pyramidata, luteola, crassa ; spira obtusa ; sujturis irregulariter impressis ; anfractibus instar septenis, planulatis, 1863.] 156 PROCEEDINGS OF THE ACADEMY OF ultimo impresso ; apertura, rhombica, intus albida; labro acuto, expanso, valde sinuoso ; columella incrassata, inflecta et valde contorta. Hab. Powell's River, near Cumberland Gap, East Tennessee, Capt. Lyon, U. S. Army. Amnicola Currieriana. Testa laevi, suborbiculari, tenui, luteo-cornea ; spira depressa, ; suturis impressis ; anfractibus quaternis, superne geniculate ; aper- tura subconstricta, semi-lunata, intus diaphana; labro acuto, expanso, re- trorso ; columella incrassata, lata et impressa. Bab. Huntsville, Alabama, W. H. DeCamp, M. D. Palttdina Milesii. Testa laevi, subpyramidata, subcrassa, imperforate ; spira exserta ; suturis valde impressis ; anfractibus senis, subinflatis ; apertura parvi- uscula, subovata ; labro acuto, parum sinuoso ; columella superne et interne parum incrassata. Hab. Branch Lake, Antrim County, Michigan, M. Miles. June 2d. The President, Mr. Lea, in the Chair. Twenty-three members present. Mr. Vaux announced the death, on the 26th of May, of Mr. John McCanless, and on the 29th, of Dr. John Y. Clark, late members; and Mr. Lesley announced the death of Prof. C. Gr. C. Bernhardt, of Leyden, late a correspondent. The following was presented for publication: Descriptions of two new species of Spermophilus. By Robert Kennicott. June 9th. The President, Mr. Lea, in the Chair. Nineteen members present. Mr. Cassin announced the death, on the 8th inst., of Edward Harris, of Moorestown, N. J., aged 64, late a member. Dr. Slack exhibited a living specimen of Capromys pilorides, from Cuba. The following was presented for publication : Does the Moon influence the temperature of the Earth's atmosphere ? By James Lewis, M. D. June lQth. The President, Mr. Lea, in the Chair. Fifteen members present. The following were presented for publication : Descriptions of eleven new species of Exotic Unionidae, and descrip- tions of twenty-four species of Unionidse of the United States. By Isaac Lea. [June, NATURAL SCIENCES OF PHILADELPHIA. 157 June 2od. The President, Mr. Lea, in the Chair. Eighteen members present. The following were presented for publication: Additions to a Catalogue of Stars which have changed their colors. By Jacob Ennis. Descriptive enumeration of a collection of Fishes from the western coast of Central America. By Theodore Gill. Enumeration of the Fish described and figured by Parra, scientifically named by Felipe Poey. Translated and edited by J. C Brevoort. Descriptions des Poissons nouvelles ou peu connues. Par M. Felipe Poey. June 307A. The President, Mr. Lea, in the Chair. Twelve members present. The Committee on Proceedings presented the published No. for April and May, 1863. On report of the respective committees, the following papers were ordered to be published in the Proceedings : Descriptions of four new species of SPERMOPHILTJS, in the collections of the Smithsonian Institution. BY ROBERT KENNICOTT. Spermophilus mollis. Length about 6-50 inches, vertebrae of tail 1-70 inches ; tail to end of hairg 2-60 inches. Form rather stout, with the head small and the muzzle short and compressed. Ears rudimentary, the auricle only about one-twentieth of an inch high, and scarcely distinguishable in dried specimens. Feet rather large, with the claws very weak, much compressed and considerably curved. Tail much flattened, the central hairs above and below short and closely appressed, the outer ones longer and distended laterally. The hair clothing the body i3 remarkably fine and soft. The upper parts are finely variegated silvery-gray, light yellowish-brown, and black; these colors intimately and uniformly mixed throughout, without any indication of spots whatever. Under parts silvery- gray, with a slight wash of dirty creamy yellow. Tail above yellowish-brown, slightly mixed with black, with a distinct and prominent border and tip of white ; beneath reddish-brown within the white border. Though very different in coloration, this species is nearly related to S. towns endii and the Asiatic S. guttatus. Camp Floyd and Rocky Mountains, Utah, C. Drexler and C. S. McCarthy. Spermophilus obsoletos. Length of head and body about 6 inches ; vertebrae of tail one-third as long ; tail with hairs usually less than one-half as long. Form that of Sp. spilosoma, except that the head is much narrower, the nose longer and less pointed, and the tail shorter. Ears very small ; auricle scarcely one-tenth of an inch in height. Upper parts dull san'dy-gray, slightly grizzled with white and with indications posteriorly of indistinct light spots, the black posterior borders of which form prominent transverse black spots ; the light spots more distinct 1863.] 158 PROCEEDINGS OF THE ACADEMY OP and prominent in the young, the black borders most so in the adult. No in- dication of a longitudinal arrangement into lines of the spots. Crown nearly of the ground-color of the back ; stripe under the eye tinged with reddish-brown, and the edges of ears and top of nose light reddish-brown in strong contrast with the other parts. Under parts generally dirty whitish, sometimes tinged with light sandy-brown. Tail above near its base, the color of the back, largely mixed with black posteriorly, and bordered and tipped with whitish ; no distinct subterminal bar of black. The superior and lateral hairs with a single annulation of black. The under surface light reddish-brown, bordered and tipped by whitish, and with an indistinct subterminal border of black, mostly concealed by the overlaying unannulated hairs of the under side of the tail. Closely related to S. spilosoma of which it is a northern representative. Is, however, readily distinguishable by the different coloration and much narrower skull. Nabraska, Dr. Suckley, Dr. Cooper, Dr. Hayden. Spermophilus elegans. Length of head and body about 1 inches ; tail with hairs less than three- sevenths as long. Body moderately slender, but stouter than in S. richard- sonii; head narrower and more tapering, though less so than in S. \3-lineatiis. Ears rounded, distinct, a quarter of an inch in height. Feet moderately large, with the claws elongated, slender and curved. Tail about one-fourth shorter than in S. richardsonii, and twice as wide, much flattened ; the central hairs above and below closely appressed, those on the sides widely distended. Color above pale dusky-gray, with a slight brownish wash and indistinct dark-brown mottlings along the middle of the back, without distinct spots. Under parts grayish-white, tinged with pale yellowish-brown or pale brownish cream-color, this deepest along the middle of the belly on the buttocks and outside of thighs, and arms; the chin, throat and inside of thighs and arms nearly pure white. Tail above of the color of the back, but more tinged with yellowish-brown, and with a subterminal narrow border, and broad bar of black widely edged and tipped with whitish; beneath clear yellowish-brown, the central hairs without darkannulations. with an indistinct subterminal border and indistinct bar of black, broadly edged by whitish. This species is most nearly related to S. richardsonii. Fort Bridger, Utah, C. Drexler. Spermophilus armaths. Length T to 8 inches, vertebrae of tail a little over 2 inches; tail with hairs about two-fifths the length of head and body. Form stout, as much so as in S. franklinii ; head broad, ears large and distinct as in S. franklinii, the auricle one-third of an inch in height. Feet rather large, fore claws considerably arched and very strong. Tail short, but full, as bushy as in S. franklinii, though with shorter hairs. Hair of the back dense and soft. Color above, including crown, finely-mixed dark-gray and black, with a slight wash of dark- brown along the middle of the back; the colors uniformly and intimately mixed, and without any tendency to form spots or lines. Ears, shoulders, out- side of thighs, and the buttocks ochry-brown, in strong contrast with the general color. Tail both above and below mixed gray and black, all the hairs beings annulated, with a subterminal border and tip of black edged ex- ternally with gray. In its heavy body, strong claws, and rather bushy tail, this somewhat re- sembles S. franklinii. The size, coloration, etc., at once distinguish it, how- ever, from that species. Fort Bridger, Utah, C. Drexler. [June, NATURAL SCIENCES OF PHILADELPHIA. 159 Additions to the Catalogue of STARS which have changed their colors.* BY JACOB ENNIS. 17. Spica. This star was described by Humboldt in 1850, as being" decidedly white.'' Cosmos, vol. iii. p. 181, Donati also arranges Spica among the white stars. It is now conspicuously blue, and has been observed of this color by myself and several friends since early in March. Inadvertently, in my commu- nication of March in these Proceedings, I mentioned this star as Beta Librse, which is in the near vicinity, but without speaking of a change of color. 18. Altair. Humboldt, in 1850, classes this star along with three others which he says " have a more or less decidedly yellow light." Donati also ar- ranges it among the yellow stars. Altair is now, June, 1863, plainly blue. 19. Deneb, or Alpha Cygni. " Decidedly white," are the words employed by Humboldt to register this star in 1850. At present it is decidedly blue, and it has been of this color since early in May. Vega. This star is placed in No. 9 of this Catalogue. Humboldt, in 1850, described it as bluish ; Donati, in 1860, as white, on the authority of Schmidt. During February and March of this year, I often compared Vega and Capella together when they were at the same altitude in the Northern sky, and they seemed of the same tint, " a delicate pale blue." An observer in this city, in the middle of May, was very decided in saying to me that Vega was much bluer than Capella. On a reobservation of Vega, and from my recollection of Capella, I assented to this opinion freely. This star, I believed, had deepened its blue. Immediately there recurred to my mind the sentence of Kearny, about Capella, in a letter to Herschell, in 1859 : " By the way, the color of Ca- pella seems less blue than it used to be." Thus both these stars had changed their blue, though in opposite directions. On the 8th or 9th of June, I re- quested a friend who is not at all a star observer, to tell me of what color he regarded that star, pointing to Vega. After looking carefully a sufficient time he said it was green. I again looked myself, and was surprised to see that it appeared really green. Every night since then I have anxiously watched it3 appearance, and in very clear nights it seems green, but when the air is vapoury or hazy, it seems blue. I have referred it to some half a dozen individuals, and they, when the nights have been clear, have also pronounced it of a green color. Last winter, in clear moonlight nights, I ofted remarked that the green color of Sirius was obscured by the intermingling rays of the moon, reflected from the atmosphere. Now also Vega scarcely appears green by moonlight. There is reason to think that this change in the color of stars from blue to green is not uncommon. Humboldt says, " when forced to compare together the colors of double stars, as reported by several astronomers, it is particularly striking to observe how frequently the companion of a red or orange-colored star is reported by some observers as blue, and by others as green." Cosmos ; vol. iii. p. 284, note. Donati, in the memoir referred to in my communication of March, gives Humboldt in Cosmos, and Schmidt in Ast. Nach., as the authorities for his classification of the colors of the stars. Therefore I was misled in the dates for the color of his stars, for they cannot be as late as that of his memoir. Hence, also, the supposed discrepancy between him and Kearny disappears. Moreover, whenever he departs from the earlier of his authorities, Humboldt in 1850, I suppose it must be in favor of the latter, Schmidt. If this supposi- tion be correct, then it would indicate that between the observations of Hum- boldt, and those of Schmidt, several changes of color among the stars had oc- curred. Humboldt gives Procyon as a yellow star, Donati as white. Humboldt * See pages 26 and 96 of this volume. 1863.] All these aloDg with Sirius and Pol- lux were denominated fiery red by the ancients. 160 PROCEEDINGS OP THE ACADEMY OP speaks of Castor as greenish, Donati as yellow. Ihavenot access just now to the volumes of the Ast. Nach. containing Schmidt's observations. STARS OF THE FIRST MAGNITUDE. Of the seventeen first magnitude stars, the changes of the colors when tabu- lated, stand as follows ; the changes having been in the order they are here placed, the last named being their present colors. The numerals refer to the authorities below: 1. Visible in this latitude, the 40th degree, ivhose colors have changed. Sirius: red,l white,4,6 violet-blue,? green.7,8 Capella : red,i, % 3 yellow, 4, 6 deep blue,& pale blue.5, 8 Vega : bluish,* white, 6 pale blue, 8 deep blue, 8 green.8 Procyon : yellow,* white, 6 blue.8 Altair : yellow,*, 6 blue.8 Rigel : white, 6 blue. 8 Spica : white, 4 , 6 blue. 8 2. Visible in this latitude whose colors have not been known to change. Aldebaran : red. Betelgeuze : red. Antares : red. Arcturus: orange yellow. 3. Invisible in this latitude whose colors have changed, Alpha Crucis : growing red.9 Eta Argus : orange yellow,! 1 deep red.io 4. Invisible in this latitude. Canopus. ? Alpha Eridani. ? Beta Centauri.? Alpha Centauri. This is a double star, about the colors of the two com- panions Sir John Herschell says, " Both of a light ruddy or orange color, though that of the smaller is of a, somewhat more sombre and brownish cast. Authorities. 1. The ancients; Seneca, Ptolemy, ant en arriere et sur le ventre en series de taches punctiformes (des taches punctiformes sur tout le tronc, entre les e"cailles, formant des points violets cercle"s de blanc) ; D. M. 28 ; A. 25 (D. M. 31; A. 28); aux joues se trouvent de bas en haut trois series en gradation de longueur, dont la supe"rieure s'arrete a la region sous-pectorale (cet espace est occupe" par un systeme irr^gulier de petites squames). II est 1863.] 182 PROCEEDINGS OP THE ACADEMY OP parle de la zone en forme de croissant qui termine la caudale, mais non pas de la bande* qui borde cette nageoire en dessus et en dessous ; ni du lisere jaune des nageoires moyennes : l'individu bourre" de M. Hollard etait cepen- dant en bon etat de conservation. 3. Priacanthus catalufa, Poey. Le male dcrit est long de 360 mill. Sa hauteur est comprise 4 fois moins un cinquieme dans la longueur totale. La tete egale cette hauteur, si Ton mesure depuis l'extr6mite de la bouche entre-ouverte. L'oeil a les deux cinquiemes de la distance qui s6pare l'opercule du bout sup6rieur du mu- seau. Les narines sont pres de l'oeil, qui est assez haut ; l'ouverture pos- terieure est allongee, oblique, etroite proportionnellement a, ce que Ton re- marque dans d'autres especes, et elliptique ; l'anterieure tres petite, presque contigue. L'intermaxillaire est 6troit et court ; le maxillaire large, atteig- nant au compas le devant de la pupille : la machoire infe'rieure est plus avancee que l'autre. Les dents sont en velours aux deux machoires, au vomer et aux palatins. Le preopercule est finement dente ; il a son angle termine en une pointe courte et oblique. L'opercule aune pointe plate qui ne fait pas saillie. Un os de l'epaule se montre au-dessous de la ligne lat6- rale, un autre au-dessus du trow branchial. Le ler sous-orbitaire est dentele\ Les ouies sont bien fendues. La dorsale commence au-dessus de l'os supe- rieur de l'epaule ; elle s'eleve graduellement en arriere, et se termine par un angle arrondi ; il en est de meme pour l'anale : le premier rayon de ces deux nageoires, vus a la loupe, a quelques apret^s, qui ne sont pas dues aux Ecailles ; les autres sont lisses. La caudale est un peu echancr6e, la pointe supe>ieure tant soit peu plus longue que l'inferieure. La pectorale est mediocre. La ventrale est logee dans une cavite-de l'abdomen; elle est plus avancee que la pectorale : son rayon 6pineux est allonge, le 2e rayon mou est filamenteux, le dernier adherent au tronc par une membrane ; la pointe de cette nageoire atteint au 2e rayon de l'anale. D. 10, 14; A. 3, 15; P. 19 ; V. 1, 5 ; C. 16. Les ecailles ne sont pas cilices ; mais elles out une certaine aprete" qui est due a une relief de leur partie centrale : on en compte environ 95 sous la ligne late"rale. Celle ci remonte en arc en sortant de l'epaule, et descend ensuite insensiblement. Les ecailles sont plus petites sur le dos ; la tete en porte de plus petites partout, excepte sur les levres ; il n'y en a pas aux nageo- ires. La peau et les 6cailles du ventre en-dessous sont tres dures. La cou- leur est d'un rouge uniforme ; les pectorales plus pales; extre'mite des ven- trales bleuatre ; peu ou point de traits aux nageoires. Iris rouge, pupille peu foncee. Les poissons de ce genre ont, suivant Cuvier, moins de 7 rayons aux ou'ies; j'ai vu dans une espece voisine l'intestin a deux replis, la langue apre, 12 ccecums, organes genitaux triangulares, vertebres 9 -f- 13. La base du crane presente dans l'espece actuelle un caractere remarquable : c'est un trou fort grand entre la grande aile et la base du sphe'no'ide poste"rieur ; ce trou n'a pas de communication avec l'interieur du crane ; il ne se retrouve pas dans les autres especes. Les plus grands individus sont d'un pied de long. La femelle differe du male en ce que son corps est un peu plus court ; ce qui parait etre du a la moindre distance qu'il y a entre la base des ventrales et l'anus ; et c'est ce qui fait q'ayant ces nageoires plus courtes et non pro- longe"es en filament, elles atteignent au meme point. L'espece la plus commune est sans doute VAnthias macroplithalmus de Bloch pi. 319 (le male) ; qu'il dit etre du Japon ; et dans son ouvrage posthume, du Tranquebar. Cuvier, considerant que l'auteur se trompe tres souvent sur l'origine des poissons, le dit du Bresil, de la Martinique et de Cuba ; mais rautorite* du Dr. Bleeker prouve assez qu'il est des Indes Orientales. Lace- (* D'un brun rougeatre.) [June, NATURAL SCIENCES OF PHILADELPHIA. 183 pede en fait son Lutjan macrophthalme. J'ignore pourquoi Bleeker a mis ce nom dans la synonymie de son Pr. Blochii, car Bloch a la priority. Le grand nombre d'especes contenues dans le genre Priacanthe, me fait croire qu'en bonne distribution ge'ographique, les individus de la Havane ne sont pas les meines que ceux des Indes Orientales. Ou pourrait rueme croire que ceux qui ont 6t6 dScrits par Cuvier sont differents ; car il de"crit le crane sans accuser le trou de sa base ; sa hauteur est plus grande (le tiers de la lon- gueur), l'ceil est plus grand (pres de la moitie de la tete) ; les rayons mous de la dorsale et de l'anale sont apres, ce qui en meme temps permet de sup- poser que le premier rayon epineux est lisse. II dit que, selon P16e, il arrive au poids de 8 a 10 livres ; on n'en trouve jamais a la Havane du poids de deux livres. Nous avons a Cuba deux autres especes differentes : elles n'ont pas la base du crane perctie, les Opines de la dorsale et de l'anale sont tres apres dans les deux sexes, la hauteur est le tiers de la longueur totale, l'ouverture pos- terieure des narines est plus courte, plus ouverte, plus verticale, la caudale couple carre"inent, Tangle du preopercule plus long et dirige en arriere ; D. 10, 13; A. 3, 14; les nageoires verticales marquees de bandes brunes. Ces -deux especes different par les couleurs : Tune a le corps rouge, c'est le Pr. hoops, Forst., Cepedianus, Desm., que Cuvier a pris pour le male du ma- crophthalmus ; l'autre a le corps couvert de grandes taches arrondies, les unes d'un rouge clair, les autres d'un brun rougeatre, c'est le Pr. cruentatus, Lac. Le Catalufa de Parra, pi. 22, f. 1, represente une femelle, qui pent etre rapporte"e au Pr. boops, et encore mieux a Tespece que je decris. 4. Chapin ; Parra. Tab. 17, fig. 1. Cette espece ne saurait etre 1' 0. bicaudale, puisque la caudale est carree, le tronc caudal porte une plaque anterieure sur son bord superieure, le corps est d'une couleur uniforme, ainsi que la nageoire caudale. M. Graells inherit que l'exemplaire depose au Museum de Madrid est d'une couleur jauna- tre et sans taches ; 4 plaques caudales, dont une anterieure, une autre pos- terieure et deux late"rales, separees, vers le milieu. Parra ne signale qu'une seule plaque dans le texte et sur la figure. Est-ce que l'exemplaire de Madrid ne serait pas l'original ? Je n'en ai pas encore trouve un semblable. 4 a. Chapin, Parra. Tab. 17, fig 2. J'attends sur cette espece de nouveaux renseignements demandes a M. Graells. Ce savant Directeur du Mus6e de Madrid m'a e"crit que l'exemplaire depose" a les squames borders de noir. Ainsi Ton pourrait avec doute rap- porter la figure de Parra a 1' 0. quadricornis, L. M. Graells ajoute qu'on y voit de plus des lignes onduleuses brunes ; il ne dit pas ou ; et que les plaques caudales sont contigues au tronc, ce qui indique peut-etre qu'elles font partie du tronc ; car Parra dit qu'il n'y a pas de plaques. 5. Alutera picturata, Poey. Individu de*crit, 650 mill. Corps tres prolong^ : sa hauteur, prise a la region pelvienne, est contenue 3 fois et trois quarts dans la longueur totale ; dont la tete, depuis le bout de la machoire inferieure jusqu' a Tangle inferi- eure de l'ouverture branchiale, forme la 5e partie : la caudale en est le quart. Le profil de la tete forme une courbe rentrante en haut et en bas ; ce qui constitue un museau aigu, qui termine par un avaucement remarquable de la machoire inferieure, comme un menton arrondi qui depasse de beaucoup les dents. L'ouverture branchiale est oblique ; et vers le dessus de son angle superieure s'eleve Toeil, qui est haut, s6pare six fois son diametre de l'extr^mite de la machoire superieure. L'ouverture des narines est pres de l'ceil. L'os pelvien cache" sous la peau, est courbe ; il ne presente vers la pointe aucune saillie, ni aucune asperite" dans son eHendue ; le fanon abdominal remonte 1863.] 184 PROCEEDINGS OP THE ACADEMY OP vers l'amis par une pente peu rapide et graduelle. La machoire supe"rieure porte de chaque cote" trois dents incisives, qui augmentent en largeur de baut en bas ; il y a en dedans deux dents plates laterales. La machoire inferi- eure en a aussi trois, l'anterieure plus large, les deux premieres e"chancre"es. Le rayon unique dont est formee la premiere dorsale, est situe" au-dessus des deux tiers posterieur de l'orbite; il est grele, legerement tourne" en arriere ; il a la moitie" de la hauteur du corps au-dessous de lui ; son aprete" est im- perceptible, sa membrane et son sillon tres-courts. La 2e dorsale commence a une distance egale a une fois et deux tiers cette longueur, et s'etend davan- tage. L'anale est un peu plus longue et un peu plus en arriere ; voyez ci-dessous pour la hauteur. La caudale est plus longue que haute, a bord posterieur arrondi. La pectorale est courte et ronde. Les rayons mous excepte ceux de la caudale, sont simples, plats, articules vers leur extr^mite" ; ceux des nageoires moyennes ont leur base loge"e dans deux prolongements de la peau. L'extremite de la caudale est plus longue et plus aigue dans le jeune age. D. 1 -f- 45 ; A. 47 ; C. 12 ; P. 14 ou 15. La peau n'offre au toucher qu'un velours tres-ras : vue a la loupe, ou y distingue de petits grains, qui a un plus grand grossissement montrent une pointe Spineuse. II n'y a pas de brosse caudale, pas meme dans le male. La couleur est d'un brun d'olive mediocrement fonce". Les nageoires sont jaunatres, excepte la caudale qui est bleuatre. Iris jaune. Les contours de la bouche sont roses. L'estomac est continu avec l'intestin, la rate est arrondie. Vertebres 7 + 14. On ecorche ce poisson pour le manger : sa chair est tres blanche et succulen te. La figure de Parra (pi. 22, f. 1, Lija-trompa), que je rapporte a cette espece, a induit en erreur M. Hollard, qui en a fait un Monacanthe. En effet, Parra lui donne un developpement pelvien excessif. M. Graells m'a 6crit que cela se voit ainsi sur l'original conserve" a, Madrid ; mais il est possible que cet original mal bourre ait servi de modele au dessinateur. Ce qui le prouverait, c'est que Parra lui-meme, en de"crivant le Monacanthe nomine" par lui Lija- colorada, dit " que le ventre forme un angle saillant, en quoi il diffire de la Lija-trompa." Parra ajoute que la caudale est beaucoup plus large que longue ; c'est le seul caractere qui me d^route. L'espece la plus voisine est le Balistes Izevis de Bloch, qu'il dit se trouver en Europe, Asie et Amerique : ses couleurs ofFrent quelques differences. Quant a la patrie, nous sommes maintenant certains que c'est un poisson de l'Archi- pel Indien, d'apres le te"moignage de l'infatigable et savant ichthyologiste Dr. P. Bleeker. M. Hollard le fait venir de l'Oc6anie, de Bahia et de la Caroline du Sud. La description que M. Hollard fait de VAlutera lievis, dans les Ann. des Sc. Nat., 4e se"rie, tome 4, p. 15, n'est pas d'accord avec la mienne : j'en donne ici un extrait, et je renferme les differences entre parentheses. " Rayons de l'anale 49 (47). La hauteur de l'epine dorsale d6passe un peu le quart de la hauteur du corps (elle d^passe le tiers et meme les deux cinquiemes). La dorsale molle et l'anale atteignent la meme hauteur que l'epine (la moitie ; car elle n'est pas le quart de la hauteur du corps) : elles s'abaissent notable- ment dans leur moitie posterieure (presque pas). Long. 470 mill, caudale 150, region cephalique 120 (long. 650, caud. 170, re"g. c6ph. 130 au moins ; ce qui rend ces deux parties plus courtes)." La difference de la queue peut dependre de l'age, comme l'indique un individu de ma collection long de 530 mill. ; mais il n'en est pas ainsi de la r6g. ceph. qui est de 98 mill, comprise cinq fois et demie dans la longueur totale. Ignorant la patrie de l'individu de"crit par M. Hollard, et ayant egard aux travaux ant^rieurs du Dr. Bleeker, je laisse le nom de A. Isevis a l'espece de l'Archipel. Indien. 6. Aluteka Guntheriana, Poey. Individu decrit, 510 mill. II se distingue au premier coup-d'ceil par une protuberance, qui appartient plutot au gosier qu'au menton ; sa region pelvi- enne forme une courbe qui fait suite regulierement a la peau de l'abdomen. [June, NATURAL SCIENCES OF PHILADELPHIA. 185 Le corps est tres comprime. La bouche est petite, le museau obtus. Sa hau- teur est le tiers de la longueur totale. La tete, prise depuis Tangle interne de Fouverture branchiale, y est comprise un peu plus de cinq fois. L'ceil est separe" trois fois son diametre de la ligne mediane dorsale, et six fois de l'ex- tremite du museau. La fente branchiale est tres oblique, et sa moitie" anteri- eure devance l'orbite. Les narines ont deux ouvertures rapprochees, placets l'une devant l'autre, assez pres de l'ceil. D'apres ce que mon dessin, de profil, permet de croire, les dents seraient comme dans l'espece pre"cdente. Lupine dorsale est grele, non dentee, terminant en pointe d61i6e, presque droite, tournee en arriere ; son sillon est court ; sa hauteur fait les deux tiers de la hauteur du corps au-dessous d'elle, c'est presque les deux tiers de la plus grande hauteur du corps ; son point d'attache est au-dessus ou un peu en avant du bord anterieur de l'ceil. La ligne du dos remonte un peu en ligne droit, des ce point. La 2" dors, est aussi eloigne'e de l'epine, que celle-ci Test du bout du museau. L'anale est presque aussi avance"e, et tant soit peu plus e*tendue. Ces deux nageoires sont peu relevees sur le devant (une fois et trois quarts le diametre de l'ceil), et de"croissent graduellement en arriere, ou elles n'offrent que le tiers ou le quart de la hauteur anterieure. La pecto- rale est arrondie. La caudale est au moins deux fois aussi haute que longue : elle est coupee verticalement, de maniere a presenter son bord post^rieur 8inue", c'est-a-dire, convexe au milieu, et terminee en deux pointes courtes qui avancent un peu moins que la convexite".* D. 1 -f- 48 ; A. 51 ; P. 14 ; C. 12. Je n'ai pas la peau sous les yeux ; mais mon dessin repr^sente les squames formers de plusieurs grains microscopiques, qui n'ont pas 6te" vus presentiment a la loupe : ils sont doux au toucher. La couleur est plomb^e ; mais le gosier et le dessous du ventre sont blanchatres. II y a sur la nuque et le long du dos de petites taches brunes. Les flancs sont orn. Mr. Lea read part of a letter from T. Rupert Jones, F. R. S., Prof, of Mineralogy and Geology in the Royal Military College at Sandhurst, England, in which he informs Mr. Lea that he has been engaged many years in the examination of fossil Estheriee, and was about to publish a monograph in which he recognises the species described by Mr. Lea, as Posidonia ovata, from Phoenixville, Pa., and those near Richmond, Va., in the " Estherian shales " (Trias) of these localities, and states that " Estheria ovata, Lea, is as important in the palaeontology of North America as E. minuta is in Europe," but that its exact geological place is not defined without difficulty. Prof. Jones also communicates to Mr. Lea, a very important observation in recognizing Cypricardia Leidyi, Lea, published in our Proceedings in 1855. Some specimens of this " enigmatical fossil " were found in the carboniferous strata in England, 26 years ago, and it is also almost as rare there as it is here. The specimen described by Mr. Lea was found by Dr. Leidy, and is the only one which has been found in this great mass of red shale, (Formation No. xi. of the Penn. Survey.) There was always a doubt in Mr. Lea's mind, whether this species belonged to Cypricardia, but in the absence of observation as to the teeth, it was impossible to decide with certainty. Professor Jones finds two varieties of the same species in the Coal Measures near Manchester and in Fifeshire, and considering that they do not belong to the genus Cypricardia, proposes to form them into a new genus, and in his paper to be published by the Palfeontological Society, he will give diagnoses and illustrations of the American species and European varieties, under the name of Leaia Leidyi. That from Lancashire he calls variety Williamsoniana, and that from Fifeshire, as variety Salteriana. July 7th. The President, Mr. Lea, in the Chair. Twelve members present. July \th. The President, Mr. Lea, in the Chair. Eleven members present. July 2\st. The President, Mr. Lea, in the Chair. Thirteen members present. Mr. Kilvington presented to the notice of the Academy specimens of Rhus Cestricus, Darl., a plant first detected by him. The following papers were presented for publication : [July, NATURAL SCIENCES OF PHILADELPHIA. 189 Description of a new genus of Choerojulis from North Carolina. By Theo. Gill. On an unnamed generic type allied to Sebastes. By Theo. Gill. Notes on the Picidae, with descriptions of new and little known species. By John Cassin. Description of a new species of Unio and a Monocondyloea from Siam. By Isaac Lea. July 2$th. Mr. Cassin in the Chair. Nine members present. On report of the respective committees, the following papers were ordered to be published: Description of Eleven New Species of EXOTIC UNIONIDJE. BY ISAAC LEA. Unio demcatcs. Testa laevi, elliptica, subinflata, inaequilaterali ; valvulis 6ubtenuibus ; natibus prominulis, ad apices undulatis et granulatis ; epidermide straminea, eradiata; dentibus cardinalibus parvis, compressis, crenulatis, in utroque valvule* duplicibus ; lateralibus sublongis, lamellatis rectisque ; mar- garita albida et iridescente. Hab. River Orontes, Syria. C. M. Wheatley. Unio Bourguignatianus. Testa laevi, obliqua, inflata, inaequilaterali, ad latere parum planulata ; valvulis percassis, antice crassioribus ; natibus prominentibus, tumidis ; epidermide, straminea, eradiata ; dentibus cardinali- bus magnis, erectis, in utroque valvulo duplicibus, subcompressis, corrugatis crenulatisque ; lateralibus praelongis, crassis, corrugatis subcurvisque ; mar- garita. alba et valde iridescente. Hab. Tigris River at Mosul, Asia Minor. C. M. Wheatley. Unio dignatus. Testa laevi, valde obliqua, inflata, ad apices turmida, valde inaequilaterali, ad latere parum planulata ; valvulis percrassis, antice crassiori- bus ; natibus prominentibus, tumidis, incurvis, terminalibus, ad apices parum granulatis ; epidermide vel luteo vel luteo-fusca, micante, eradiata ; dentibus cardinalibus erectis, compressis et crenulatis; lateralibus praelongis, lamellatis subcurvisque ; margarita argentea et valde iridescente. Hab. River Tigris at Bagdad. C. M. Wheatley. Unio rasus. Testa laevi, lata, inflata, valde inaequilaterali ; valvulis crassis, antice crassioribus; natibus prominentibus, ad apices parum undulatis ; epi- dermide rasa, dilute straminea, eradiata ; dentibus cardinalibus compressis, corrugatis, crenulatis, in utroque valvulo duplicibus ; lateralibus praelongis, corrugatis subrectisque ; margarita, argentea et parum iridescente. Hab. Assyria. C. M. Wheatley. Unio Syriacus. Testa sulcata, subelliptica, inflata, valde inaequilaterali ; valvulis subtenuibus, antice incrassatis ; natibus prominentibus, tumidis ; epidermide tenebroso-olivacea, eradiata ; dentibus cardinalibus parvis, acuminatis, subcompressis, in utroque valvulo duplicibus ; lateralibus parvius- culis, lamellatis subcurvisque ; margarita albida et iridescente. Hab. River Orontes, Syria. C. M. Wheatley. 1863.] 190 PROCEEDINGS OP THE ACADEMY OP Unio Damascensis. Testa laevi, quadrata, compressa, valde inaequilaterali ; valvulis crassiusculis, antice crassioribus ; natibus prominulis, ad apices crebre et oblique undulatis ; epidermide luteo-viridi et obsolete radiata ; dentibus cardinalibus parviusculis, compressis, crenulatis, in utroque valvulo- duplicibus ; lateralibus longis, lamellatis rectisque ; margarita argentea. et iridescente. Hab. River Barado, Damascus, Asia Minor. C. M. Wheatley. Unio Orontesensis. Testa laevi, quadrata, inflata, valde inaequilaterali ; val- vulis parum crassis, antice crassioribus ; natibus prominulis, ad apices cre- bre et minute undulatis; epidermide rufo-fusca, obsolete radiata; dentibus cardinalibus parviusculis, compressis, acuminatis, crenulatis, in utroque val- vulo duplicibus ; lateralibus longis, lamellatis subrectisque; margarita vel albida vel dilute purpurea et valde iridescente. Hab. River Orontes, Syria. C. M. Wheatley. Unio Mosulensis. Testa laevi, elliptica, subinflata, valde inaequilaterali ; val- vulis crassiusculis, antice crassioribus ; natibus prominulis, ad apices minute undulatis; epidermide straminea, micante, eradiata; dentibus cardinalibus parviusculis, corrugatis, crenulatis, in utroque valvulo duplicibus ; lateralibus longis, lamellatis subrectisque ; margarita alba, et iridescente. Hab. River Tigris at Mosul. C. M. Wheatley. Unio tripartitus. Testa sulcata, subelliptica, subinflata, subaequilaterali ; valvulis crassis, antice crassioribus ; natibus prominentibus, solidis. parum undulatis ; epidermide virido-lutea, obsolete radiata, micante ; dentibus cardinalibus crassis, valde corrugatis, in utroque valvulo duplicibus ; laterali- bus curvatis, percrassis, corrugatis et in valvulo sinistro tripartitibus ; margari- ta dilute salmonia, et elegantissime iridescente. Hab. Jillingee River, India. Dr. Burrough. Monocondylcea compressa. Testa, laevi, transversa, valde inaequilaterali, valde compressa, ad latere planulata, postice angulata,, antice rotundata, ; val- vulis pertenuibus ; natibus vix prominentibus, ad apices undulatis ; .epider- mide micante, olivacea, obsolete radiata; dente cardinali, in dextra, valvula, solum et minimus; margarita albida et valde iridescente. Hub. Siam, C. M. Wheatley. Anodonta Dallasiana. Testa, laevi, subelliptica, subinflata, inaequilaterali, postice obtuse angulata, antice rotundata; valvulis tenuibus, subdiaphinis ; natibus subelevatis, ad apices granulati9 ; epidermide luteo-viridi et tene- brosa, eradiata ; margarita caeruleo-alba et iridescente. Hab. Winnepeg, at the mouth of the Saskatchewan River. R. Kennicott. Description of a new species of TJNIO and a MONOCONDYLffiA. BY ISAAC LEA. Unio Laosensis. Testa laevi, arcuata, in medio compressa, valde inaequi- laterali, antice et postice rotundata ; valvulis subcrassis ; natibus prominulis, subcompressis ; epidermide tenebroso-fusca vel rufo-fusca, postice obsolete radiata; dentibus cardinalibus parvis, striatis, lobatis; lateralibus longis, cor- rugatis subrectisque ; margarita alba et iridescente. Hab. Laos Mountains, Cambodia, Siam. Monsieur Mouhot, per H. Cuming, Esq. Monocondylcea Mouhotii. Testa loevi, ovata, compressa, valde inaequilate- rali, antice rotunda, postice, subbiangulata ; valvulis tenuibus ; natibus promi- nulis ; epidermide luteo-fusca, eradiata; dentibus cardinalibus parvissimis, lobatis ; margarita albida et valde iridescente. Hab. Laos Mountains, Cambodia, Siam. Monsieur Mouhot, per H. Cuming, Esq. [July, NATURAL SCIENCES OP PHILADELPHIA. 191 Descriptions of twenty-four New Species of TJNIONIDJE of the United States. BY ISAAC LEA. Unio Raleighensis. Testa laevi, infiata, valde inoequilaterali, postice ob- tuse biangulata, antice rotundata ; valvulis subcrassis, antice crassioribus ; nati- bus subprominentibus ; epidermide luteo-fusca vel-fusca, valde radiata ; dentibus cardinalibus parviusculis, in utroque valvulo duplicibus ; lateralibus longis, lamellatis subcurvisque ; margarita alba vel purpurea et iridescente. Hab. Neuse River, six miles east of Raleigh, N. Carolina, E. Emmons, M. D. Unio Charlottensis. Testa laevi, elliptica, subcompressa, inaequilaterali, ad latere parum planulata; valvulis subtenuibus, antice crassioribus ; natibus vix prominentibus ; epidermide tenebroso-fusca, eradiata; dentibus cardirialibus parvissimis, compressis, valde obliquis ; lateralibus parviusculis, lamellatis et acumiuatis ; margarita albida et iridescente. Hal. Near Charlotte, Mecklenberg County, N. Carolina, E. Emmons, M. D. Unio Mecklenbergensis. Testa laevi, elliptica, subcompressa, inaequilaterali, ad latere parum planulata, postice biangulata, antice rotundata ; valvulis crassis, antice crassioribus ; natibus prominulis ; epidermide tenebroso-fusca, obsolete ra- diata ; dentibus cardinalibus subgrandibus, striatis crenulatisque ; lateralibus longis, lamellatis corrugatisque ; margarita albida vel purpurea et valde iri- descente. Hab. Near Charlotte, Mecklenberg County, N. Carolina, E. Emmons, M. D. Unio Gastonensis. Testa, laevi, subelliptica, valde inaequilaterali, ad latere planulata, postice vix biangulata, antice rotunda ; valvulis crassiusculis, an-, tice crassioribus ; natibus prominulis ; epidermide tenebroso-fusca, eradiata ; dentibus cardinalibus parviusculis, in valvulo sinistro tiipartitibus ; lateralibus longis, lamellatis subcurvisque ; margarita purpurescente et iridescente. Hab. Mine Creek, Gaston County, N. Carolina, C. M. Wheatley. Unio Weidonensis. Testa laevi, elliptica, subinflata, sublenticular!, postice subbiangulata, antice rotunda ; valvulis subcrasssis, antice parum crassioribus ; natibus subprominentibus ; epidermide tenebroso-fusca vel virido-fusca, radi- ata ; dentibus cardinalibus parviusculis, crenulatis, in utroque valvulo duplici- bus ; lateralibus, prselongis, lamellatis subcurvisque; margarita alba vel pur- purea et iridescente. Hab. Roanoke River, at Weldon, N. Carolina, E. Emmons, M. D. Unio aberrans. Testa laevi, oblonga, subinflata, valde inaequilaterali, ad latere planulata, postice obtuse biangulata, antice rotundata ; valvulis crassi- usculis, antice crassioribus ; natibus subprominentibus ; epidermide luteo- fusca, valde radiata; dentibus cardinalibus parvis, in utroque valvulo duplicibus ; lateralibus longis, lamellatis subrectisque ; magarita, caeruleo-alba, vel purpu- rea et iridescente. Hab. Neuse River, six miles east of Raleigh, N. Carolina, E. Emmons. M. D. Unio Chathamensis. Testa laevi, lato-elliptica, subcompressa. valde. inaequi- laterali, postice obtuse biangulata, antice rotundata ; valvulis subtenuibus, an- tice parum crassioribus ; natibus prominulis ; epidermide tenebroso-fusca vel tenebrosa, viridi, radiata ; dentibus cardinalibus parvis, crenulatis, in utroque valvulo duplicibus ; lateralibus longis, lamellatis subrectisque ; margarita alba vel purpurea et valde iridescente. Hab. Rocky River, Chatham County, N. Carolina, E. Emmons, M. D.; and James River, near Richmond, Major Le Conte. Unio mediocris. Testa, laevi, lato-elliptica, subinflata, valde inEequilaterali' 1863.] 192 PROCEEDINGS OP THE ACADEMY OP postice subbiangulata, antice rotundata ; valvnlis subtenuibus, antice parum crassioribus ; natibus prominulis ; epiderraide luteo-fusca., valde radiata ; denti- bus cardinalibus parvis, striatis, crenulatis ; lateralibus longis, lamellatis subrectisque ; margarita, albida vel purpurea et valde iridescente. Hab. Neuse River, Raleigh, N. Carolina, E. Emmons, M. D. Unio squalidus. Testa. lsevi, subinflata, valde inaequilaterali, postice subbi- angulata, antice rotundata; valvulis subcrassis, antice parum crassioribus; natibus prominentibus ; epidermide furva, squalida, imbricata, eradiata; dentibus cardinalibus parvulis, striatis, in utroque valvulo duplicibus; late- ralibus sublongis, lamellatis subrectisque ; margarita caeruleo-alba vel purpu- rea, et iridescente. Har. Neuse River, near Raleigh; Roanoke, near Weldon; and Deep River, N. Carolina, E. Emmons, M. D. Unio Livingstonensis. Testa, laevi, oblonga, subinflata, fere alata, valde in- aequilaterali, postice obtuse biangulata, antice rotundata; valvulis subtenuibus; natibus subprominentibus ; epidermide tenebroso-fusca, eradiata vel obsolete radiata; dentibus cardinalibus parvis, lobatis ; lateralibus longis, lamellatis sub- rectisque ; margarita caeruleo-alba. vel purpurea, vel salmonia et valde iride- scente. Hab. Livingston's Creek, Brunswick County, North Carolina, E. Emmons. M. D. Unio quadrilaterus. Testa laevi, oblonga, subinflata, ad latere planulata, inaequilaterali, postice biangulata et truncata ; valvulis crassiusculis ; natibus prominulis, ad apices undulatis ; epidermide tenebroso-fusca, eradiata vel obtuse radiata ; dentibus cardinalibus parviusculis, tuberculati3, in utroque valvulo duplicibus ; lateralibus longis, lamellatis subrectisque ; magarita, albida vel purpurea vel salmonia et valde iridescente. Hah. Abbeville District, South Carolina, Dr Barratt. Neuse River, Ra- leigh and Catawba River, N. Carolina, C. M. Wheatley. Unio lucidus. Testa laevi, elliptica, inflata, valde inaequilaterali, postice subbiangulata, antice rotunda; valvulis subtenuibus ; natibus prominulis; epi- dermide rufofusca vel fusco-virente, radiata, ad latere micante ; dentibus car- dinalibus parvis, obtuso-conicis, crenulatis, in utroque valvulo duplicibus ; lat- eralibus sublongis, lamellatis subcurvisque ; margarita caeruleo-alba et valde iridescente. Hab. Livingston's Creek, Brunswick County, North Carolina, E. Emmons, M. D. Unio nasutidus. Testa laevi, valde transversa, compressa, ad latere planulata, valde inaequilaterali, postice acute acuminata, antice oblique rotundata ; valvulis subtenuibus ; natibus prominulis, fere terminalibus ; epidermide tenebroso-fusca, radiata; deutibus cardinalibus parvissimis, acuminatis, in utroque valvulo duplicibus; lateralibus praelongis, tenuibus rectisque ; margarita subsalmonia et valde iridescente. Hab. Livingston's Creek, Brunswick County, N. Carolina, E. Emmons, M. D. Unio indefinilus. Testa laevi, oblonga, inflata, ad latere planulata, valde inaequilaterali, postice biangulata, antice rotundata ; valvulis subcrassis, antice parum crassioribus; natibus subprominentibus; epidermide fusco-nigricante ; dentibus cardinalibus parviusculis, tuberculatis, striatis ; lateralibus longis, lamellatis subcurvisque ; margarita alba, aliquantd purpurea et iridescente. Hab. Long Creek, Mecklenberg County, N. Carolina, C. M. Wheatley; and Neuse River, near Raleigh, E. Emmons, M, D. Unio cistell.eformis. Testa, laevi, oblonga, valde inflata, ad latere planu- lata, inaequilaterali, postice obtuse biangulata, antice rotunda ; valvulis cras- siusculis ; natibus prominulis; epidermide fusco-nigricante, eradiata; denti- [July, NATURAL SCIENCES OF PHILADELPHIA. 193 bus cardinalibus parvis, tuberculatis, in utroque valvulo duplicibus ; laterali- bus sublongis, lainellatis subrectisque; margarita alba, et iridescente. Ilab. Neuse River, near Raleigh, N. Carolina, E. Emmons, M. D. Unio Waccamawensis. Testa laevi, triangulari, inflata, ad latere planulata; valde inaequilaterali, postice subbiangulata, antice rotundata, ; valvulis tenuibus ; natibus prominentibus ; epidermide fusco-virente vel olivacea, obsolete radiata ; dentibus cardinalibu3 parvissimis, compressis, obliquis, in utroque valvulo du- plicibus ; lateralibus longis, lamellatis rectisque ; margarita caeruleo-alba et iride- scente. Hab. Waccamaw Lake, North Carolina, E. Emmons, M. D. Unio pertencis. Testa laevi, obovata,, inflata, sublenticular!, inaequilaterali, postice obtuse biangulari, antice rotundata ; valvulis perteuuibus, antice parum crassioribus ; natibus subprominentibus, ad apices rugoso-undulatis ; epider- mide virente et radiis indutis ; dentibus cardinalibus parvissimis, compres- sis, obliquis ; lateralibus acicularis rectisque; margarita caeruleo-alba. et valde iridescente. Hab. Neuse River, near Raleigh N. Carolina, E. Emmons, M. D. Unio perlucens. Testa laevi, elliptica, subinflata, valde inaequilaterali ; val- vulis subtenuibus, antice parum crassioribus ; natibus prominulis ; epidermide luteo-virente, perlutescens et radiis indutis; dentibus cardinalibus parvis, compressis, crenulatis, in utroque valvulo duplicibus ; lateralibus longis, lamel- latis subrectisque; margarita. caeruleo-alba, et valde iridescente. Hab. Six Runs, Sampson County, N. Carolina, E. Emmons, M. D. Unio perlatds. Testa laevi, perlata, valde compressa,, ad latere planulata, valde inaequilaterali ; valvulis tenuibus, antice parum crassioribus; natibus prominulis, ad apices undulatis ; epidermide fusco-virente, obsolete radiata; dentibus cardinalibus pirvissimis, tuberculatis, in utroque valvulo duplicibus; lateralibus praelongis, acicularis rectisque ; margarita caeruleo-alba et valde iri- descente. Hab. Black Rock Landing, Cape Fear River, N. Carolina, E. Emmons, M. D. Unio viridulus. Testa laevi, transversa, subcompressa, ad latere planulata, valde inaequilaterali ; valvulis tenuibus, antice ad marginem parum crassioribus ; natibus prominulis, ad apices undulatis ; epidermide virente, obsolete radiata, valde polita ; dentibus cardinalibus parvissimis, tuberculatis; lateralibus longis, acicularis subrectisque; margarita, caeruleo-alba et iridescente. Hub. Neuse River, near Rileigu, N. Carolina, E. Emmons, M. D. Unio ablatus. Testa, laevi, oblonga,, subinflata, ad latere parum planulata, inaequilaterali, postice biangulata; valvulis crassiusculis, antice crassioribus ; natibus prominulis; epidermide tenebroso-castanea,, eradiata, polita ; dentibus, cardinalibus parviusculis, tuberculatis, in utroque valvulo duplicibus ; laterali- bus, longi3, lamellatis rectisque ; margarita salmonia, aliquanto albida, et valde iridescente. Hab. Loug Creek, Gaston County, N. Carolina, C. M. Wheatley ; N. Caroli- na, J. G. Anthony. Unio curatus. Testa. laevi, elliptica, subinflata, ad latere parum planulata, inaequilaterali, postice biangulata,; valvulis subcrassis, antice crassioribus ; nati- bus prominulis; epidermide crocea, eradiata, miscante ; dentibus cardinalibus parviusculis, striatis, acuminatis, in utroque valvulo duplicibus ; lateralibus lon- gis, lamellatis subrectisque; magarita salmonia et valde iridescente. Hab. Sugar Creek, N. Carolina, C. M. Wheatley. Anodonta dolearis. Testa, laevi, oblonga, valde inflata, subaequilaterali, postice obtuse biangulata, antice oblique rotundata; valvulis crassis ; natibus 1863.] 194 PROCEEDINGS OP THE ACADEMY OP promineniibus et valde inflatis; epidermideluteo-virente, valde radiata et ini- cante ; margaritd dilute carneaet valde iridescente. Hab. Stewart's Milldam, Union County, N. Carolina, C. M. Wheatley. Axodonta Bealei. Testa laevi, ovato-oblonga, subinflatd. insequilaterali, pos- tice subbiangulata, antice rotundata ; valvulis tenuibus ; natibus subprominenti- bus, ad apices undulatis; epidermide olivacea, polita, obsolete radiata ; marga- rita caeruleo-alba et iridescente. Hab. Leon Coimty, Texas, Lieut. Beale. Notes on the PICID2E, with descriptions of new and little known species, BY JOHN CASSIN. 1. PICIDiE. Since the completion of M. Malherbe's great work on the Woodpeckers, " Mo- nographic des Picide"es," the study of the birds of this family, so far as relates to a very large majority of the species, is a matter of the utmost facility. In the course of an examination of the species of this group in the Academy Mu- seum, I have been constantly impressed with the extraordinary research ex- hibited by M. Malherbe in this elaborate and complete Monograph. It must be regarded as one of the most important and valuable contributions ever made to Ornithological science, and is, assuredly, in comprehensive informa- tion and accuracy of detail, rarely to be equalled in the present age or any other. It is a model and paragon of Monographs, and a monument of pa- tient research, accurate knowledge and sound judgment. The collection of Woodpeckers, in the Academy Museum, at present embra- ces about three-fourths of the species given by M. Malherbe, and I have iden- tified all the specimens of every species in the collection except those described as new in this paper. The careful and usually very accurate figures of females and young birds given by him, have been of great service, and I have never before, in the investigation of any group, been able to thoroughly work up all specimens in however obscure or incomplete plumage. The following statement shows the number of species in M. Malherbe's Monograph and the number in the Academy Museum, under his generic designations : Malh. Acad. Genera. Mon. Mus. Megapicus, Malh 14 13 (Wanting M. Sclateri, Malh.) Dryopicus, Malh 11 11 ' (Wanting P. mandarinus, Luciani, as- similis, atratus, undosus, walensis, syriacus, Wagleri, kamtschatkensis, leucurus, Felieice, auritus, canicapil- lus, meniscus, gymnophthalmus, kisuki, pygnucus.) Sphryapicus, Baird 3 3 Picoides, Lactplde 9 6 i (Wanting P. cayennensis, undulatus, un- 1 ( dosus.) Micropicus, Malh 3 3 Dendropicus, Malh 10 8 (Wanting D. schoensis, Hemprichii.) Phaiopicus, Malh 9 7 (Wanting P. sordidus, jugularis.) {(Wanting C. Fraseri, multifasciatus, ochraceus, flavicollis, semicinnamo- meus, smaragdinicollis, pyrrhotis.) Mesopicus, Malh 25 20 1 (Wanting M.jcenionotus murinus, nigri- r ' I ceps, Airku, sanguinolentus.) [July, Picus, Linn 63 46 NATURAL SCIENCES OP PHILADELPHIA. 195 , . ,, ,, n .( (Wantms I. Do Lessertii, philippinarum, Indopicus, Malh 7 4^ C arlotta.) Bralimapicus, Malh 3 3 Chloropicoides, Malh... 6 5 (Wanting C. Grantia.) Chloropicus, Malh 24 22 (Wanting C. karelini, leucolamus.) ,, ,, , 01 ( (Wanting C.maculosus, Caillaudi, capri- Chrysopicus, Malh 25 21^ cor)1 ^% uceL) , r , . ,, ,. no , A ((Wanting M. melanocephalus, Hermi- Melainpicus, Malh 13 10 -^ nieri J aniho i ar y nx ^ Xenopicus, Baird 1 1 , r ,, , , , ( (Wanting Z. hipopilius, Gerinii, auro- Zebrapicus,J/aM...~... 15 12^ ^^ Geopicus, Malh 12 12 ( (Wanting P. ocellatus, Castelnauii, squa- Picumnus, Temm 14 7 < mulatus, Lafresnayii, rufoventris, Buf- (^ fonii, Verreauxia.) Picumnoides, Malh 3 2 (P. lachrymosus, Malh. wanting.) Yunx, Linn 5 4 ( Y. aquatorialis, Rupp. wanting. 295 233 This statement is, however, to be regarded as founded strictly on the views of M. Malherbe, in a few particulars of which I have the misfortune to differ from him. Making deductions for species given by him as valid, which are very probably identical with others, (such as Picus Martina;, Aud., Phillipsii, Aud. and some others) and additions for species recently described and not included by M. Malherbe, aad also a few species given by him as synonyms, but which appear to me to be properly regarded as distinct, I have deter- mined 236 species of Woodpeckers in the Academy Museum. 2. Picas scalaris, Wagler. Of the birds regarded as this species or varieties of it, or near allies, there seem to me to be several species, quite distinct from each other and probably inhabiting separate regions of North America. 1. Picus Nuttallii, Gambel. Malh. Mon. pi. xxiv. figs. 5, 6, 7. Baird, B. of N. A. pi. xli. fig. 1. Hob. California. Spec, in Mus. Acad. Philada. In this species there is in the adult male a wide frontal and coronal space which is frequently clear black, but generally with the feathers having long narrow spots of white at their tips. Immediately succeeding the scarlet of the occiput is a narrow band of white and then a wide band of black. The back is very distinctly banded with black and white the black bands being the wider. The two black stripes from the base of the lower mandible and from behind the eye unite and form a large black space on the side of the neck. This is a readily defined and easily recognized species and the largest of this group. It appears to be restricted to California. 2. Picus scalaeis, Wagler. Malh. Mon. pi. xxvii. figs. 1, 2, 3, 4, 5. Hab. Southern Mexico ? Spec, in Mus. Acad. Philada. Plumage of the head above tipped with scarlet and with small medial or subterminal spots of white. Back with the transverse bands of black and white clearly defined but narrower and more numerous than in the preceding, but with the black bands the wider. Smaller than the above and easily distin- guished from that species. 3. Picus lucasaxus, Xantus. Picus lucasanus, Xantus, Proc. Acad. Philada., 1859, pp. 298, 302, (not figured). 1863.] ,' CE fR M- PARK, 196 PROCEEDINGS OP THE ACADEMY OP Hab. Lower California. Spec, in Mus. Acad. Philada. Much resembling P. scalaris, but with the bill and feet stouter and the bill longer, white spots on the head larger and the black stripes on the back ra- ther narrower. Scarcely distinguishable from P. scalaris and hardly a species, but presents differences which may be constant as stated above. This bird has only been found in Lower California. 4. Picus Bairdii, Sclater. Picus Bairdii, Sclater. Malh., Mon. i. p. 118. Malh. Mon. pi. xxvii. figs. 7, 8. Baird, B. of N. A. pi. xli. fig. 2. Hab. New Mexico, Northern Mexico. Spec, in Mus. Acad. Philada. Generally similar to the last two species but with the white bands on the bach wider than the black bands. Total length about 7 inches, wing 4^, tail 2J inches. All specimens from New Mexico and Northern Mexico appear to be this species, and it is that which has heretofore been regarded by the ornitholo- gists of this country as P. scalaris. 5. Picus Orizaba, nobis. Picus scalaris, var. d'Orizaba, Malh. Mon. pi. xxvii. fig. 6. Hab. Jalapa, Mexico, Eastern Mexico ? Spec, in Mus. Acad. Philada. Similar to P. Bairdii but smaller, the brownish white stripe immediately below the scarlet of the head, extending over the eye and wider behind the eye than in P. Bairdii. White bands of the back wider than the black bands. Total length 6h inches, wing 4, tail 2J inches. Brought from Jalapa commonly, by M. D'Oca and seems to be the represen- tative of this group in Eastern Mexico. There are synonyms usually referred to P. scalaris which may be applicable to one or the other of these birds, but I cannot identify them. 6. Picr/s vagatus, nobis. Much smaller than either of the preceding, though belonging to the same group and especially resembling the two last described above. Male. Head above scarlet, all the feathers being black at base, with small white spots, which are more numerous on the front and vertex, stripes from the base of the lower mandible and behind the eye black, from the base of the upper man- dible and another over and behind the eye sordid or brownish white. Back and exposed surface of quills banded transversely with black and white, which on the back are about equal in width. Wing coverts black, with circular and oblong spots of white, upper tail coverts black. Under parts brownish white, with circular and irregular spots of black more numerous on the breast and sides and forming transverse bands on the flanks. Tail feathers black, two outer feathers on each side with white bands. Quills brownish black, with quadrangular or irregular spots of white on their outer webs, and large circu- lar spots of white on their inner webs. Bill and feet dark, short feathers on the nares fuliginous. Total length about 5i inches, wing 3|, tail 2 inches. Hab. Mexico ? Spec, in Mus. Acad. Philada. Two specimens of this little species are in the Acad. Mus. from the Massena collection, but are unfortunately without labels indicating locality. They are, however, strictly of the same form and generic character as the birds above mentioned, and are probably from Mexico or Central America. This species is easily distinguished from all others of its intimate allies by its much smaller size as above described. It is not larger than Picus minor, Linn. 3. Genus POLIPICUS, nobis. Belonging to the group Gecinina, G. R. Gray, and allied to the genus Geci- [July, NATURAL SCIENCES OF PHILADELPHIA. 19T nus, Boie, especially to a subgroup of which Gecinus puniceus (Horsf.) is the type. Small, bill nearly straight and rather wide at base, wing rather long, first quill very short, fourth, fifth and sixth longest, tail rather long and wide, feet short, outer hind toe longest, inner hind toe short. The present species is unusually small for a bird of the group to which I regard it as belonging. 4. Polipicus Elliotii, nobis. Wing rather long, first quill spurious, fifth slightly longest, tail long and wide. Female ? Head above black, entire upper parts of body and wings of yel- lowish olive green with a golden tinge on the exposed surface of shorter quills and with a reddish tinge on the upper tail coverts. Primaries brownish black, slightly edged with green on their outer webs and having large spots of yel- lowish white on their inner webs, shafts of quills on their under surface yel- lowish white. Tail brownish black, outer feathers with dull brownish white spots on their inner webs, under surface of tail tinged with pale greenish yellow. Superciliary line and cheeks dull bluff, throat and under parts of body greenish or yellowish white, paler and nearly pure white on the throat and darker on the breast, and the entire under parts with longitudinal stripes of brownish black, very narrow on the throat and wider on the breast. Flanks and under tail coverts with a few irregular bands, and sagittate spots of the same brownish black. Bill light brownish, lower mandible and tip of upper nearly white, feet probably light colored. Under wing coverts light yellowish white, with black spots. _ Total length, about 7 inches, wing 3^, tail 3 inches. Hab. River Muni, Western Africa. One specimen in Acad. Mus. from Mr. Duehaillu's collection. This is a very curious little woodpecker, having the general form of and even a larger tail than usual in Gecinus, and in its group is quite remarkable for its small size. The present specimen is very probably a female, and I regret that no other of the species is in the collection of Mr. Duchaillu, from whom it was purchased. This bird is named in honor of my friend, Mr. Daniel Giraud Elliot, of New York, one of the most talented and enterprising of the young naturalists of the United States, who, in his "Monograph of the Pittidce" has just com- pleted one of the most important as well as beautiful contributions to orni- thology ever made in this country. 6. Campethera vestita, nobis. Allied to C. brachyrhyncha (Swains.) and C. nivosa (Swains.) and resembling the former, but larger, with the tail clear black, and the entire upper plumage darker golden green. Female ? Head above brownish black, with numerous small spots of pale brownish white, entire upper parts of body and wings golden green, quills brownish black, with a few small spots of dull white on their outer webs. Tail black, with the middle feathers slightly edged with green, under surface with a greenish tinge, and with the shafts of the feathers yellow. Throat light reddish brown, with numerous small spots of black, entire under parts of body with transverse narrow bands of black and dull greenish yellow, paler on the abdomen, and with a rufous tinge on the breast. Under wing coverts and inner edges of quills pale buff or fawn color (without spots) the latter having some irregular bands of the brownish black of the outer webs. Shafts of quills on their under surface yellow. Bill and feet bluish black. Total length about 7^ inches, wing 4, tail 2 inches. Hab. St. Paul's River, Western Africa. One specimen in the Academy Museum from Dr. Robert MacDowall's collection. The description is that very probably of a female specimen, of which I have 1863.] 198 PROCEEDINGS OP THE ACADEMY OP never seen a male, and which was received at the Academy in a very inte- resting collection from Dr. MacDowall, in 1841. This bird seems to be most nearly allied to C. brachijrhijncha (Swains.) also a West African species, of which several specimens are in the Acad. Mus., from Mr. Duchaillu's collec- tion, but it differs not only in having the upper plumage a darker and golden green, and the tail clear lustrous black, but the under wing coverts are pale buff or fawn color, without spots, instead of nearly white and spotted with black, as in C. brachyrhyncha. It is also larger than that species. In colors and general appearance this bird bears a greater resemblance to the American woodpeckers, of the genus Chloronerpes, Swainson, especially to C. rubiginosus, Swain., than any other African species with which I am ac- quainted. 7. Chrysopicus Malherbei, nobis. Resembling C. notatus (Licht.) and C. cethiopicus (Hemp, et Ehrenb.) but much smaller than the former and otherwise different from both. Head above from base of bill to occiput, scarlet, back and upper wing coverts and rump yellowish green, lighter on the back, with numerous, nearly circular and ob- long spots of greenish white, exposed surface of shorter quills yellowish olive green, tipped with yellowish white, (but without transverse bands,) primaries dark brown, with small spots of yellowish white on their outer webs, and with large spots of the same color on their inner webs. Sides of head and neck and entire under parts of body pale yellowish white, with nearly circular and oblong spots of black, larger on the breast and sides, smaller on the mid- dle of the abdomen and under tail coverts. Tail yellowish brown, with the shafts and tips of the feathers yellow, obscure transverse bands of a darker shade of brown on the outer feathers, under surface of tail greenish yellow. Under wing coverts pale yellowish white, with a few spots of black. Bill and feet dark plumbeous. Male ? Total length about 6 inches, wing 3f , tail 21 inches. Hab. Zanzibar. Spec, in Mus. Acad., Philada. A single specimen of this species is from the Massena Collection, and is la- belled, "Zanzibar" in the same hand-writing as some other specimens from the same locality. In general appearance this bird resembles the much larger C. notatus (Licht.) Malh. Mon., pi. 95, figs. 4, 5, 6. from which it differs, not only greatly in size, but in the color of the upper parts of the body, and in having the clearly-defined white circular spots of the back and coverts as de- scribed above. From C. nubicus (Gm.) Malh. Mon., pi. 93, figs. 2, 3, 4, 5, 6, this bird differs also in size and in the colors of the upper parts. It appears to be smaller also than C. cethiopicus (Hempr. & Ehrenb.) Malh. Mon., pi. 94, figs. 1, 2, 3, Riipp., Syst. Ueb., pi. 36, but differs in the color and circular spots of the upper parts, and has no transverse bands on the shorter quills nor tail as represented in the figures of that species. In the present and only speci- men, though the top of head and occiput are bright scarlet, there is no stripe from the base of the under mandible or moustache of that color. Although the specimen now described does bear a considerable resemblance to Picus notatus, Licht., which is expressly stated by Messrs. Hemprich and Ehrenberg, in their description of Picus cethiopicus, to be the case also in that species (Symbolse Physic*, Aves, pt. 1,) it is clearly not the bird described by them nor that figured by M. Ruppell, Syst. Uebers, pi. 36. P. cethiopicus is regarded by M. Malherbe as identical with P. nubicus, Boddaert, very prob- ably correctly, to which the present bird bears some resemblance also, but not in so great a degree as to P. notatus. This species I have taken the liberty of dedicating to the distinguished author of the " Monographie des Picid^es." 8. Picps scintilliceps, Swinhoe. Picus scintilliceps, Swinh., Sclater's Ibis, 1863, p. 96. [July, NATURAL SCIENCES OF PHILADELPHIA. 199 A very fine male specimen of this species in the Acad. Mus. has been la- belled in Europe, " Picus trisulensis, Licht.," in a hand-writing that I do not recognize. It seems to be the largest of the Asiatic group, characterized by the cinereous front and small lateral spots of scarlet, but ought to be very care- fully compared with P. Mitchellii, Malh., and P. auritus, Eyton, especially as it is brought forward by apparently a very youthful and inexperienced de- scriber, whose early training in both natural and civil history seems to have been unfinished. 9. Picus leccomelas, Boddaert. Picus canadensis, Gmelin. I am not prepared, at present, to regard this bird as identical with, or as merely a larger race of Picus villosus, Linn., though given as such by Prof. Baird in B. of N. Am. i. p. 84,* but am disposed to consider it a distinct species. It is well figured in the folio edition of Audubon, (pi. 417, fig. 7), though the bill is rather large, but the figure in his octavo edition is not recognizable. Malherbe's figure (pi. 21, fig. 4) is too small, and the spots on the wings are not sufficiently numerous. Picus Martina, Aud., and P. Phillipsii, And., are young birds of this species. Audubon says of this bird: " Its notes alone suffice to distinguish it from every other species, being louder and much shriller than those of Picus vil- losus," (Orn. Biog. v. p. 188). Nuttall adds, " it is also less active and petu- lant," (Man. Orn. v. p. 684). 10. Picus Phillipsii, Audubon. This supposed species was described from a single specimen which now belongs to the collection of Professor Baird of the Smithsonian Institution. Mr. Audubon says, in his description, "This species is about the same size as P. canadensis, which it also resembles in color, but is distinguished by the yellow patch on the head and its thicker aud more pointed bill." It is un- doubtedly the young of P. canadensis, as stated by Prof. Baird in B. of N. Am. i. p. 86, and I quite coincide with him that the original specimen (now in my possession through his kindness) presents all the peculiarities of a young bird. M. Malherbe's figure (pi. xxi. fig. 5) is copied from Audubon, on the authority of whom only he gives this bird as a species. 11. Picus Martin je, Audubon. This is also the young of Picus canadensis, and the original specimen is in the collection of Professor Baird. It is labelled " Upper Canada," and is in more advanced plumage than that of P. Phillipsii, alluded to in the preceding article, but is the same species, in my opinion. Mr. Audubon says, in his description, (Orn. Biog. v. p. 183), "This species is very nearly allied to Picus villosus, and is very similar in its colors, but differs in having the man- dibles pointed, in being larger, in having the top of the head red or yellowish red, and in having its fourth toe longer than the third." This bird is also given by M. Malherbe as a species, on the authority of Mr. Audubon. 12. Picus villosus, Linnaeus. In M. Malherbe's figure of the male of this species (pi. xxi. fig. 1) the white space on the back is too large and the black edgings of the feathers denote im- maturity. In the adult bird the back is clear white, the central feathers having no black edges, and very nearly as represented by Audubon, (pi. 416, fig. 1, 2). For all that I can see, Picus Cuvieri, Malh. (pi. xxii. fig. 3) is the young fe- male of this species, and Picus Auduboni, Trudeau, the young male. * The proper reference to this very important work is, " Baird's Birds of North America." It was mainly written and entirely arranged by Professor Baird, comparatively small parts only having been contributed by Mr. 'Lawrence and myself, which are invariably designated as such in the text. Those contributions are as separate and distinct, and represent our individual views as exclusively as if they were in different books. Professor Baird is the author of the article on the Picidie. 1863.] 200 PROCEEDINGS OP THE ACADEMY OP The adult male of this species is characterized by a transverse stripe o bright scarlet on the occiput, and so are all other species of typical Picas found in North America, which occipital stripe is rigidly denned and restricted. In younger stages of plumage all the species of this country present very considerable variations in this particular, and generally have more or less pale red, pale yellow, or yellowish red on the top of the head, sometimes ex- tended, but more frequently quite limited. The presence of either of those colors or shades of color in a specimen, is evidence of immature plumage. Similar stages of immature plumage with the head red above, in Picus major of Europe, are figured by Malherbe, pi. xvi. fig. 6, and by Naumann, B. of Germany, pi. 134, fig. 3. This bird very probably associates with Picus Harrisii in a region interme- diate between the proper ranges of the two species, and produces hybrids, which present difficulties to naturalists. This is undoubtedly the case with Colaptes auratus and C. mexicanus, as stated by Prof. Baird, in B. of Am. i. p. 122. The same considerations apply to the present species and P. Harrisii and others. 13. Picus Cuvieri, Malh., Mon. i. p. 85. As stated in the preceding article, this bird is, in my opinion, the young female of P. villosus. 14. Pices Audubonii, Swainson. Picus Audubonit, Swains., Faun. Bor. Am. Birds, p. 306, (1831). Picus Auduboni, Trudeau, Jour. Academy, Philad. vii. p. 404, (1837), Aud. B. of Am. pi. 417, Oct. ed. iv. pi. 265 ; Malh. Mon. pi. xxii. fig. 4. The descriptions here cited seem, singularly enough, both to apply to the same supposed species, though Dr. Trudeau evidently was not aware of the description of Mr. Swainson. The two descriptions seem, in fact, to have been made quite independently of each other, yet each author gave the same name to the same bird, a coincidence certainly of rare occurrence. Both seem to apply to males of Picus villosus, Mr. Swainson having described an adult of unusually small size from the State of Georgia, and Dr. Trudeau, a young male from Louisiana. The fine blue color of Mr. Audubon's figures, above cited, is entirely erro- neous and fanciful, but in his description the color is given fairly: "The upper parts are black, the tufts covering the nostrils white." M. Malherbe's figure is a correct representation. A specimen, probably the original of Dr. Trudeau's description, is in the collection of Professor Baird of the Smith- sonian Institution. 15. Picus Harrisii, Audubon. This species resembles P. villosus, but in nearly all specimens is easily dis- tinguished by the clear black and unspotted wing coverts and shorter quills. In apparently adult specimens from northern localities especially, the under parts are generally more or less tinged with dull brown, generally not so dark as represented in Audubon's plate (pi. 417, fig 8, 9) and frequently very light. Occasionally, and I suspect in the perfect spring plumage, the back and under parts are pure white, as described and figured by Malherbe, (pi. xx. fig. 1. 2). Dr. Gambel states that this is the case: "The young are brownish beneath, as represented by Audubon, but the adult is pure white," (Jour. Acad. Philad. i. p. 55). Specimens occasionally occur in which white spots are present on the shorter quills and coverts, but generally small and not numerous. Young birds pre- sent colors analogous to those of the young of P. villosus and P. canadensis. Very fine specimens of adults and young of this species are in the Academy Museum, from collections made in California by Mr. John G. Bell and Dr. William Gambel. [July, NATURAL SCIENCES OP PHILADELPHIA. 201 Young % . Crown red, many of the feathers having small spots of white, occiput with a few scarlet feathers. Upper parts of body black, tinged with brown, white spots on the primaries smaller than in adult. Back with a wide longitudinal stripe of white, many of the feathers having black spots on their edges. Upper tail coverts black. Under parts dull white. Younger $. Crown coppery red, front black, with white spots. Wing almost clear brownish black, a few small spots only on the external webs of primaries. Under parts dull white. No red feathers on occiput. Specimens occur occasionally which can be assigned to either this species or P. villosus with equal propriety, and may be hybrids. 1 6. Picus Jaddinei, Malherbe. This bird much resembles P. Harrisii, And., with which it is given as iden- tical by Dr. Cabanis, in Journ. Orn. 1862, p. 175. There are in the Academy Museum two specimens only, the better of which was brought by Mr. D'Oca from Jalapa, Mexico, and both are the species described by M. Malherbe and represented in his plate xxv. fig. 4, 5, though they appear to be in more ma- ture plumage. The scarlet of the head is restricted to the occiput in both specimens, and the two outer tail feathers are without black spots, though the second feather has a black space at the base of the inner web. In young birds it is unusual to find the clearly defined scarlet occiput, as in the present specimens, for which reason, mainly, I dissent, though with some misgivings, from Dr. Cabanis' conclusion. These specimens are much like the young of Picus Harrisii, described above, except in the matter of the scarlet occiput. They have the under parts of the body rather strongly tinged with ashy brown for southern specimens of P. Harrisii, and very nearly as figured by M. Mal- herbe, as above cited. 17. Picus pubescens, Linnaeus. This little species, which is of common occurrence in North America, pre- sents some variations in size, which fact I think has led to errors in descrip- tions of supposed species. Both Picus meridionalis, Swains., and Picus medi- anus, Swains., are very probably to be referred to this bird. Picus Lecontei, Jones, is very probably an accidental variety, and so also possibly is Picus leucurus, Prince Paul of Wurtemberg. This bird probably associates with P. Gairdneri in an intermediate region, and produces hybrids. Is. Piers Lecontei, Jones. Picus Lecontei, Jones, Ann. Lye. Nat. Hist. N. Y. iv. p. 489, (1847). Ann. Lye. N. Y. pi. 17 ; Malh. Mon. pi. xl. fig. 7. The original and only specimen known of this species is in the Academy Museum, though it belongs to Dr. Jones of Georgia, who is its describer. This specimen is rather smaller than usual in specimens of Picus pubescens, in which respect, as suggested by Dr. Jones in his description, it is like P. me- ridionalis, Swains., but otherwise and in all other respects it is nothing more than Picus pubescens, with three toes instead of four ! This bird has attracted some attention from European Ornithologists. The Prince Bjnaparte made it the type of his genus Tridactylia, and M. Malherbe is disposed to regard it as a true species. At present my opinion is that it is an accidental specimen only of Picus pubescens, which opinion is subject, of course, to immediate correction on the production of other specimens, which, as Dr. Jones says, very candidly and properly, " will be necessary to establish the species perfectly." 19. Picus Gairdneri, Audubon. Picus Gairdneri, Aud., Orn. Biog. v. p. 317. Baird B. of N. A. pi. 85, fig. 2, 3. In nearly all specimens of this little species the under p.irts are tinged with 1803.] if' 15 202 PROCEEDINGS OE THE ACADEMY OF brownish ashy instead of being pure white, as in P. pubescens, which it ranch resembles. This color of the under parts varies in shade in different speci- mens, as in Picus Harrisii, and is probably correctly stated by Prof. Baird to be darker in the more northern specimens, though the supposition entertained by him, that such is always the case in this species and in P. Harrisii, is not without grave difficulties, especially in view of the migration southward of northern specimens, which takes place to an extent sufficient to interfere with such a theory, even in species stated to be "resident." I suspect that the dark color of the under parts in these species is acquired much as stated by Mr. Audubon to be the case in Picus pubescens : " I have observed," he says, " that during their stay in the Floridas, Georgia and the Carolinas, their breasts and bellies are so soiled by the carbonaceous matter adhering to the trees in consequence of the burning of the grass at that season, that one might be apt to take a specimen in that state as belonging to a difl'erent species." (Orn. Biog. ii. p. 82). Specimens occasionally have been brought in collections which seem to combine the characters of this species and of .P. pubescens, and suggest a pre- sumption of hybridity. Of this description apparently is Picus Turati, Mal- herbe. 20. Pious Turati, Malherbe. Picus Turati, Main., Mon. i. p. 125, pi. xxix. fig. 5, 6. The figures of this bird in M. Malherbe's plate much resemble small speci- mens of Picus pubescens except in the black stripes on the side of the head, which are more like those in P. Gairdneri. It may be a distinct and valid species, but I suspect that it is founded on intermediate specimens which are probably hybrids of the two species. The localities given by M. Malherbe are California and the Rocky Mountains. 21. Picus albolarvatus, Cassin. At the time of the publication of Prof. Baird's great work, "The Birds of North America," but few specimens of this species were known to be extant, which fact fully warranted him in stating it to be " an exceedingly rare spe- cies, not more than three or four skins being known to exist in collections." Since that period, however, other specimens have been received from Capt. John Feilner, U. S. Army, who obtained them in the vicinity of Fort Crook, California, in which district it is apparently of frequent occurrence. 22. Picus Macei, Vieillot. This species varies in size very considerably, but three specimens in the Academy Museum are decidedly larger than all the others. Two of them were received ia the fine Indian collection made by Capt. T. Boys, of the East In- dian Company's service, and were labelled "P. nepalensis" in England. These specimens may be the Dendrocopus pyricps, Hodgson, and are so much larger than the usual specimens of P. Macei, that their specific distinction is quite possible. 23. Picus puncticeps, D'Orbigny et Lafresnaye. DOrb., Voy. Am. Mer. Ois. pi. 64, fig. 1. With original specimens from M. D'Orbigny's collection before me, I am at present disposed to regard this bird as distinct from P. lignarius, Molina, though given as synonymous by M. Malherbe. M. D'Orbigny's figure, cited above, represents the female, which is rather smaller than the male of the same species in the Academy Museum, but both are so much smaller, lighter co- lored, and different in some other particulars, that I cannot regard them as identical with P. lignarius. The black stripes on the under parts in P. punc- ticeps are narrower and less numerous than in P. lignarius. The figure in M. D'Orbigny's plate faithfully represents the size and other characters of the female, and the full figure given by M. Malherbe represents the male of P. [July, NATURAL SCIENCES OF PHILADELPHIA. 203 Kgnarius with equal fidelity, but is rather small. In undoubted Chili speci- mens in the Academy Museum, the longitudinal stripes on the under parts are wider than as given by M. Malherbe, and confluent, forming apparently continued bands in the adult bird. 24. Picus Ledouci, Malherbe. Plcus minor var. algeriensis. Label in Academy Museum. Of this species, or variety, there are four specimens in the Academy Mu- seum all labelled "Algeria." Though not in adult plumage, they present some points of difference from P. minor, and I suspect that the species is about as valid as some of the near allies of P. major, medius, and others which are held to be entirely respectable specifically. 25. Picus borealis, Vieillot. The Woodpecker described and figured by Vieillot (Ois. d'Arn. Sept. 11, p. 66, pi. 122,) is, in my opinion, a valid species, and quite as distinct from P. querulus, Wilson, as Picas Harrisii is from P. villosus, and the differences are as easily seen, with specimens of both under examination. In P. borealis the transverse bands on the back and shorter quills are much more numer- ous, especially on the latter, as so are also the spots on the outer webs of the primaries. So far as I can judge from rather badly prepared specimens of P. querulus, it has a wide transverse band of black on the neck behind, which is but narrow in P. borealis. The two species are very nearly the same size. Vieillot alone, so far as I know, figures this species ; and though his repre- sentation is by no means satisfactory, yet it is recognizable as the northern species. Wilson, Audubon, and Malherbe figure the bird of the Southern States, which is P. querulus, Wilson. Specimens of the present bird from Pennsylvania are in the Academy Museum. 26. Picus querulus, Wilson. Described by Wilson from specimens obtained in jNorth Carolina : but his figure (pi. 15, fig. 1,) is not satisfactory. This species is very handsomely given in the plates of both Malherbe and Audubon, but the latter seems only to have known this bird, like Wilson, as a southern species. As stated in the preceding article, this bird is distinct from the similar bird of Pennsylva- nia, and can readily be distinguished by the smaller number of the transverse bands on the back and shorter quills, especially of the latter, and by the much smaller number of spots on the wing coverts and outer webs of pri- maries. Specimens are in the Academy Museum from South Carolina and Georgia, in both of which States it appears to be a common species. 27. Picoides dorsalis, Baird. Baird, B. of N. Am. ii. pi. 85, fig. 1. This bird is, I suspect, identical with P. americanus (Swainson). In the European P. tridactylus, the whole space on the back presents precisely the same styles of character in different specimens, as in both P. americanus and P.* dorsalis, that is to say: in some specimens there is a plain wide longitudinal band of white, as in P. dorsalis, and in others this band is crossed by trans- verse bands of black, as in P. americanus. This difference is not held to be sufficient to indicate specific distinction. Several specimens of each descrip- tion are in the Academy Museum, undoubtedly the same species, and figures of each are so given by Malherbe, Mon. pi. 38, and Nauinann, B. of Germ., pi. 137. One specimen only of this bird is in the Acad. Mus., which was brought in a collection from Pike's Peak, Kansas, and is the second specimen known, In my opinion, this bird bears no intimate relation to P. crissoleucus, Brandt., which is also in the Acad. Mus. The latter is an ally of P. tridactylus, but distinguished readily by the pure, nearly unspotted white of the under parts 1863.] -04 PROCEEDINGS OF THE ACADEMY OP and of the inferior wing coverts, and is very accurately represented by M. Malherbe, (pi. 40). 28. Campephilus albirostris, (Vieillot.) Amongst numerous specimens of this species in the Acad. Mus., there is one which presents some differences in color, and may not be quite identical. It is a female specimen, rather smaller than the females of C. albirostris, and has the black of the breast more extended downwards ; the under tail coverts are blacker, and the shafts of the tail feathers are clear lustrous black. This specimen is labelled "Columbia," and was obtained in Europe for the Academy by Dr. Thomas B. Wilson. 29. Campephilus trachelopyrus, (Malherbe.) This species is singularly nearly related to C. rubricollis (Boddaert), but does persistently retain one valid and reliable character. In C. rubricollis the inner icebs of the longer primaries (only) are fine yellowish-brown or bay color, while in C. trachelopyrus that color in the same feathers extends to the outer web also. In the latter species there is, on this account, on the closed wing a longitudinal band of that color, perhaps not sufficiently conspicuous in M. Malherbe's figures of the male (pi. 8, fig. 2). 30. Sphyrapicus nuchalis, Baird. Sphyrapicus nuchalis, Baird, Rept. Surv. and Exp. Pac. R. R.,ix., p. 103. 921, (1858.) Baird. B. of N. A., pi. 35. Although in his description here cited, Professor Baird relies mainly on the fact that this species has a transverse stripe of red on the nape, I suspect that character to be not the most reliable, though the species I regard as en- tirely valid. One specimen in the Academy Museum, which was received in the Massena collection in 1847, is, I think, clearly this species, though the nape is merely dull white, as in S. varius. This bird is very handsomely figured in Professor Baird's plate above cited, and the distinction between it and S. varius can be seen with the utmost readiness. 31. Sphyrapicus thyeoideus, (Cassin.) Picus thyroideus, Cass., Proc. Acad. Phila., 1851, p. 439. Malh. Mon., pi, 38, fig. 1. Cass., B. of Cal. and Tex., pi. 43. Formerly a very rare species, this bird has been found recently in more considerable numbers at Fort Crook, Northern California, by that true lover of Natural History and industrious collector, Capt. John Feilner, of the U. S. Army. The figures above cited seem to be either females or young males. The most mature of Capt. Feilner's specimens are probably adult males, and only differ from the females in having a few red feathers on the throat, and the rather deeper yellow of the abdomen. 32. Sphyrapicus Williamsonii, (Newberry.) Picus Williamsonii, Newb., Rep. Pac. R. R. Surv. and Exp., vi. p. 89. Malh. Mon., pi. 36, fig. 4. Baird, B. of N. A., pi. 34, fig. 1. This very handsome bird, also, has been obtained by Capt. Feilner at the locality mentioned in the preceding article, and it is probably of not uncom- mon occurrence in North-Eastern California. (To be continued.) August 4th. Dr. Bridges, Vice-President, in the Chair. Sis members present. [Aug., NATURAL SCIENCES OF PHILADELPHIA. 205 August Wth. Dr. Bridges, Vice-President, in the Chair. Seven members present. August IS th. Dr. Bridges, Vice-President, in the Chair. Eight members present. The following paper was presented for publication : " Description of a new generic type of Ophidioids. By Theo. Gill." August 25th. Dr. Bridges, Vice-President, in the Chair. Seven members present. On report of the respective committees, the following papers were ordered to be published: Description of a new species of CHCEROJULIS from North Carolina. BY THEODORE GILL. The discovery of a representative of the genus Chaerqfulis, so far north as the coast of North Carolina, appears to be worthy of special notice. It is therefore now described, and, as the genus is for the first time introduced into the Fauna of the United States, a diagnosis of it is likewise given. Genus CHCEROJULIS Gill. Halichceres Riippell, Neue Wirbelthiere zu der Fauna von Abyssinien gehorig, Fische, p. 14, 1835. Halichceres Gunther, Annals and Magazine of Natural History, ser. 3, vol. viii. p. 386, 1861. Halichceres Meeker, Proc. Zoological Society of London, 1861, p. 411. Chcerojulis Gill, Proc. Academy of Natural Sciences of Philadelphia, 1862, p. 142. Prochilus sp. Klein. Labrus sp. auct. vet. Julis sp. Cuv. et Val et al. Chlorichthys, Ichthycallus and Halichceres, sp. Swainson. Platyglossus sp. Gunther, (Cat. Fish, iv. 143.) Body compressed, oblong, with the height generally equal to a fourth or fifth of the length, rarely more. Scales rather large, (1. 1. 26-30) little smaller on the front of the back, the breast and base of caudal. Lateral line deflected under the posterior third of the soft dorsal, and generally branched on each scale. Bead naked, compressed, conic in profile, with the preoperculum entire. Mouth scarcely protractile, with the cleft moderate and little oblique. Teeth in each jaw conspicuous ; in front two or four curved canines, and be- hind, in the upper jaw, a canine tooth directed forwards on each side. Dorsal fin continuous, with nine pungent spines, and eleven to fourteen 1863.] 206 PROCEEDINGS OE THE ACADEMY 01 rays ; angulated or rarely obtuse behind. Anal with three graduated spines : neither with a scaly basal sheath. Caudal fin truncated or rounded behind and without produced angles. Ventral fins beneath or nearly beneath the pectoral, and generally produced at the outer ray. The genus Chcerojulis is co-extensive with that for which Dr. Bleeker has re- tained the name of Halichozres, adopted from Riippell, but as the latter name had been previously applied byNilsson, under the very slightly modified form of Halichecrus, but etymologically identical, to a valid genus of the mamma- lian family Phocidse, another one is requisite, and that of Chcerojulis has there- fore been proposed for the ichthyic genus. Swainson's name Ichthyeallus cannot be used, for, although the first and several other species were representatives of the present genus, - Ilalichores" itself was adopted with the limits assigned to it by Riippell and said to have the " general shape and structure of Ichthy callus, but there is a conspicuous canine tooth, as large as those in front, at the hind part of the upper jaw on each side, and which projects beyond the mouth." Swainson had never seen any species referred to Ichthy callus, and consequently did not know that any had hinder canine teeth, but distinguished his group from "Cblorichthys," which had the " teeth as Labrus, the two most anterior incisors in each jaw longest" by the smaller scales, " often concealed by the skin " (!) and the " caudal fin, truncate or rounded." This diagnosis is more applicable to the species of Coris than any other included under it, and Iehthycallus may therefore prim- arily be referred as a synonym of that genus, as well as Swainson's Julis. It may not be unnecessary to remark that Swainson did not intend the first species enumerated to be considered the type, but generally placed the type at or near the centre. The following enumeration will illustrate the character of Ichthyeallus : I. dimidiatus Spix, pi. 53. Chcerojulis internasalis ex C. et V. I. chloropterus Block, pi. 288. Chcerojulis chloropterus. I. trimaculatus Griff., pi. 45, f. 2. ? I. deenssatus Bcnn., pi. 14. Hemitautoga centiquadrus Blhr. I. auromaculatus lb., pi. 20. Coris cingulum Gthr. I. semideeorata Less. Atl., pi. 35, f. 2. Chcerojulis chloropterus (bis). 1. Geoffroyii Frey. Atl., pi. 5(3, f. 3. Macropharyngodon Geoffroyii Blhr. I. umbrostygma Riipp. Atl. ii. pi. 3, f. 2. Julis umbrostigma Riipp. I. semipnnctatus lb., pi. 3, f. 3. Coris cingulum Gthr. (bis). I. cyanocephalus lb., pi. 286. ? I. Julis lb., pi. 287, f. 1. Coris Julis Gthr. I. bivittatns lb., pi. 2S4, f. 1. Chcerojulis bivittatus. I. macrolepidotus lb., f. 2. Novaculichthys macrolepidotu3 Blhr. I. ornatus Linn. Tr., xii. pi. 27. (Latiloid.) Chcerojulis grandisquamis Gill. P?-The greatest height of the body scarcely exceeds a quarter of the total length, and is about twice as high as the caudal peduncle, that of the latter equalling an eighth. The head forms almost a fourth of the length, and its height is less than a fifth. The eye has a diameter equal to a sixth of the head's length, and the interorbital area equals a fifth. The outline from the dorsal fin to the forehead is slightly convex, and thence rectilinear and declining at an angle of 50 to the axis. The snout equals a third of the head's length. The preoperculum is rectangular, with its angle rounded, the lower or free half of its posterior margin vertical and the inferior horizontal. The suboper- cular flap extends nearly to the vertical from the posterior margin of the third scale of the lateral line, and is decurved above and obtusely angulated behind. The interoperculum is broad, the upper margin being nearly parallel with the upper. The upper jaw extends nearly to the vertical from the front of the [Aug., NATURAL SCIENCES OF PHILADELPHIA^ 207 orbit, and is continued about 3| times in the length of the head. The two front teeth of the upper jaw are slightly divergent: the two median of the lower convergent and smaller; the outer ones nearly equal and curved back- wards and outwards; the hinder canines normally developed. The dorsal fin increases backwards without interruption; the spinous por- tion considerably, the soft little ; the last ray is contained 2 J times in the head's length. The caudal is subtruncated, and its angles are rounded. The pec- toral is contained 6f times in the length ; its upper angle is obtusely rounded, the posterior margin slightly angulated between the sixth and seventh rays, below which the rays rapidly diminish. The ventral fins are inserted beneath the lower axillas of the pectorals and are of little equal or little greater length ; the first ray is moderately produced at its inner branches. The scales are delicately striated ; those on the breast are larger than those behind the nape. The lateral line is deflected beneath the penultimate to the last dorsal rays ; each scale has generally three radiating branches, thicker to- wards the ends ; more seldom two or four. D. IX. 11. A. III. 12. C. II. 1. 6. 5. 1. III. P. I. 1.11. V. I. 5. 2 Scales 20 10 The color in spirits is dark chestnut or brownish red. There appears to be a slight indication of a temporal band. On the membrane behind the oper- culum and below the axil of the branchial aperture, is a very dark vertical spot bordered behind by steel blue. The dorsal is cloudy, but on the soft portion has a clear band with a submarginal dark line. The anal has indica- tion of three bands, the basal being separated from the median by an undu- lated line and the marginal being clear. The caudal is marbled, and with a marginal dark band widening towards the angles. The pectorals and ventrals are clear and without axillar spots. A single specimen of this species, six inches long, was obtained by Wm. Alexander, U. S. A., at Beaufort, North Carolina, on July 11, 1800, and was shortly afterwards forwarded to the Smithsonian collection (4318). On an unnamed generic type allied to SE3ASTES. BY THEODORE GILL. In examining the various species of Fishes in the collection of the Smith- sonian Institution that have been referred by their several describers to the genus Sebastes, attention was arrested by the characters afforded by the Se- bastes kuhlii of Lowe and Giinther, and the S. filifer of Valenciennes. These forms represent a group that apparently well merits a special generic denomi- nation which is therefore now conferred on it. The following synopsis will serve to exhibit the most noticeable distinctions of the genera hitherto con- founded under the name of Sebastes : I. Dorsal spines XIV-j-I. (Vertebra? 12-j-19pm.) Sebastes. II. Dorsal spines XL XII.+I. (Vertebra? 10-11+14.) A. Palatine teeth developed. o. Suborbital bone ecarinate. Scales moderate. Lowerjaw little projecting Sebastichthys. Scales minute. Lower jaw protruded , Sebastodes. 0. Suborbital carina serrated Sebastoplus. B. Palacine teeth obsolete Sebastopsis. The genus Sebastodes Gill, has been recently unduly extended by the assem- blage under it of species more nearly allied to the type of Sebastichthys, and quite dissimilar to that of Sebastodes.* 1863.] * See Ayres, Proc. Cal. Ac. Nat. Sci., vul. ii. 208 PROCEEDINGS OF THE ACADEMY OP Genus SEBASTOPLUS Gill. Sebastes sp. Auct. Body oblong, much compressed, and with the caudal peduncle rather low or narrow. Scales moderate (60-65), ctenoid, arranged in very obl'que rows, and with no supernumerary ones. Lateral line simple, in scales like the others. Head scaly, oblong, with the profile uniformly declining, pointed at the snout, and with no coronal depression. Supraciliary and coronal crests con- spicuous. Cheeks with a serrated horizontal carina continued from the pre- orbital beneath the eye to the hinder margin of the preopercnlum above or on a line with the superior spine. Preorbital with two recurved teeth below. Preoperculum oblique behind, broadly rounded towards its angle, with a muciferous channel, and armed along its margin with four spines decreasing downwards. Operculum with two spines, continued forwards as converging keels, the lower more prominent. Filaments and barbels obsolete. Mouth narrow, but rather large, the supramaxil'ars extending behind the anterior half of the eye, and truncated. Jaws nearly even ; the upper not pro- tractile and separated at the symphysis ; the lower low in front, received with- in the upper and with a tubercle below its symphysis. Teeth villiform on the jaws, vomer and palatine bones ; a wide naked in- terval at the symphysis of the upper jaw is toothless. Dorsal fin with its spinous part convex above, depressed towards its soft por- tion, and with twelve (XI.-f-I.) spines, the penultimate of which is smaller than the last. Anal fin short and deep and with its second spine longest. Caudal subtruncated. Pectoral fins with rather slender and generally entire articulated rays. Ventral inserted nearly below the pectoral and angulated externally. Type. Sebastoplns kuhlii. Syn. Sebastes kuhlii Lowe = Scorprena kuhlii Bawd. The genus is most nearly allied to Sebastodes and Sebastichthys, but is readily distinguished by the serrated infraorbital crest, the form of the lower jaw and the unarmed interval at the symphysis of the upper, as well as by the arma- ture of the preoperculum and the simplicity of the pectoral rays. Besides the type, the Sebastes filifer of Valenciennes is the onl\- species which is known to me to be certainly referrible to the genus. The lattt-r species appears to be very closely related to S. Kuhlii, and it is not perhaps impossible that it may even be the same, although Valenciennes expressly says, that the "scales have smooth borders."* It is very difficult to believe that there should be such a difference between two so evidently nearly related species, although Johnson, in his remarks on Setarches Giintherii,] admits the species without hesitation, and refers to the cycloid scales; but he had pro- bably never seen the species. Sebastoplus Kuhlii Gill. Scorpaena kuhlii Bowd., Exc. in Mad., p. 123. Sebastes kuhlii Lowe, Trans. Zool. Soc, vol. ii. p. 176 ; Fishes of Madeira, p. 115, Giinther, Acanth. Fishes, ii. p. 102. Sebastoplus filifer Gi'tl. Sebastes filifer. Val., Webb, et Berthelot, Hist. Nat. des lies Canaries, Ichthy- ologie. The figure (1) named Sebastes kuhlii on the plate illustrating also the S. * Les eeailles a bord lisse snnt de moyenne grandeur. f Johnson, Proc. Zool. Soc, 1862. [Aug. NATURAL SCIENCES OF PHILADELPHIA. 209 filifer has been referred to under tbe name of Scorpsena scrqf 'a in the text, where it is said that the name of Seb. kuhlii was on the former given " par erreur." The figure in question, however, reminds one rather of the Sebastes dactyloptera (S. imperialis C. etV.,) rather than either of the two cited, and exhibits none of the distinctive generic characters mentioned in the diagnosis of Scorpxna given by Valenciennes, neither the ci corpus lobulis cutaneis jimbriatum," nor the " geniK el maxillse nudsa alepidotx." Description of a new generic type of OPHIDIOIDS BY THEODORE GILL. Tn introducing a hitherto unknown type of Ophidiinae to the notice of natur- alist-*, it becomes requisite to give a description of the genus Ophidion which shall contrast with that of the new type. The so-called "barbels" of the Ophidioids are not the homologues of the barbels of the Mulloids and the Polymyxioids, although so similar in external, appearance, but as their connection and articulation indicate, modified ventral fins recognized as such by Poey, and, although under erroneous impressions, by Philippi. Genus OPHIDION Artedi. Synonymy. Ophidion Artedi, Genera Piscium, p. 25. Ophidium Linnssui, Systema Naturae, vol. i. p. 431. Ophidium Ci/vier, Regne Animal, ed. 2, tome ii. p. 359. Ophidion Girard, Report on the Survey and Explorations, &c, for a Pacific Railroad Route, vol. x. Fishes, p. 138. Ophidium Gii'ither, Catalogue of the Fishes in the British Museum, vol. iv. p. 376, 1862. Body much compressed, moderately elongated, with the height nearly uni- form as far as anus and thence decreasing backwards to the end, which is more or less obtusely angulated. Anus in the second-third of the total length. Scales small conspicuous, oblong, not imbricated, but obliquely arranged in opposite directions. Lateral line concurrent with and near the back, not continued to caudal fin. Head n iked, much compressed, oblong-ovoid laterally, with the profile de- scending in a nearly straight line to the snout ; snout rather low and abruptly decurved or subtruncated. Eye inodsrate, with the pupils comparatively well developed. Opercula unarmed. Nostrils simple ; the first near the front of the snout ; the posterior a short distance in front of the eye. Mouth narrow, with the cleft oblique, and rather large, the supramaxillars extending under the whole or nearly the entire eye ; they are rather broad and only retractile near the upper margin under the suborbital chain. Teeth on the jaws villiform with an outer row of immoveable and blunt ones. Vomer prominent, and, as well as the palatine bones, armed with blunt teeth. Branchial apertures very ample, arched above b\ r the membrane which is attached above the axilla of the pectoral fins. Branchiostegal rays seven. Dorsal fin commencing more or less behind the vertical from the base of the pectoral fins, low and with the rays simply articulated, blending behind, as well as the anal, with the caudal, which is very short and terminates in an ob- tuse point. Pectoral fins moderate, obliquely rounded behind. 1863.] 210 PROCEEDINGS OF THE ACADEMY OF Ventral fins bifid and articulated, moderately developed and nearly or quite as long as the head. Pyloric appendages none. Type. Ophidium barbatum Linn. Genus LEPTOPHIDIUM Gill. Body much elongated, moderately compressed, and with the back and abdo- minal regions arched, more compressed and slowly decreasing in height back- wards to an abruptly-rounded point. Anus towards the end of the first third of the length. Scales regularly imbricated in quincunx, oval, with the nucleus in front of the centre, and with strias radiating backwards. Lateral line concurrent with and near the back for about half the length, obsolescent behind. Head with imbricated scales extending to forehead, opercula and cheeks, moderately compressed, oblong-ovate in profile, with the snout high, project- ing forwards, and obtusely rounded, armed above with a short, nearly con- cealed spine, directed forwards and somewhat downwards. Cheeks somewhat inflated. Eyes large, subcircular, with comparatively small pupils. Nostrils double; the anterior aperture a short tube directed forwards and next to the groove separating the preorbital from the nostril region ; the posterior a longi- tudinal fissure in front of the eyes below the preorbital groove, Opercula un- armed. Mouth broader, with the cleft little oblique and moderate ; the supermaxillar bones are slender, terminate under the hinder part of the eye, and are almost wholly retractile under the suborbitals. Teeth of the jaws villiform, immersed in a mucous membrane, separated by an interval from the longer ones in the outer row, which are pointed and moveable. Vomer not prominent, armed, as well as the palatine bones, with teeth. Branchial aperture ample, arched above by the membrane, which is at- tached in front of the axil of the pectoral fin. Branchiostegal rays seven, the internal two small. Dorsal fin commencing less than a head's distance from the nape, rather low and with its rays simply articulated, blending behind, like the anal, with the caudal fin, whose rays are lon-er than those of the dorsal and anal, and whose margin is produced. Pectoral fins small or moderate, obliquely rounded behind. Ventral fins bifid and articulated, and much abbreviated. This genus is exceedingly distinct from Ophidium, having very few characters iu common, except such as would be found in the genera of the same subfamily. Its form at oace distinguishes it, \ii comparatively low and moderately com- pressed body and the smaller head contrasting strongly with the much com- pressed body and head of the true Ophidia ; the imbricated scales and pe- culiar dentition observed on closer examination corroborate the generic dis- tinction indicated by the difference of form. It is probable that the Ophidium brevibarbe, briefly indicated by Cuvier and Kaup, belongs to this genus ; by Cuvier, it was simply alluded to in afoot-note of the Regne Animal, while by Kaup a short diagnosis was given in the " Cat- alogue of the Apodal Fish." As the notice of the species by Kaup, like most of the diagnoses by that gentleman, is only sufficient to distinguish it from species known to him, no clear idea can be obtained regarding its affimities. But, as it is said to have " on the point of the snout a short decurved spine," "scaly occiput and gill-plate, and long, tapering pointed caudal fin," while "the remaining species are destitute of the rostral spine, and have fewer or no s'cales on the occiput and gill-covers, they are also shorter," it is likely that a species somewhat related to the Leptophidium was iu view. Before the [Aug. NATURAL SCIENCES OP PHILADELPHIA 211 species can, however, be considered congeneric with the latter, the character of the " strong teeth " must be better known. Leptophidium phofundorum Gill. The greatest height equals about a tenth of the extreme length, and is de- veloped at the pectoral region ; it thence almost uniformly decreases to the end, and at the anus equals an eleventh of the same; the thickness behind the pectoral fins equals seven-tenths of the height, and almost uniformly decreases to the end like the height. The anus is at the end of the first third of the length. The head forms rather less than a sixth of the length, and is transversely convex above and moderately inflated on the sides ; the greatest width equals half its length. The eye is rather longer than the snout, subcircular, and its diameter slightly exceeds two-sevenths of the head's length ; its pupil is small, the diameter equalling only a third of that of the eye. The width of the inter- ocular region rather exceeds two-ninths of the head's length. The supra- maxillary ends behind under the hinder margin of the pupil. The dorsal fins commence nearly over the middle of the pectoral fin, and with the second fifth of the length and is moderately high ; the anal com- mences immediately behind the anus, and is about as high as the dorsal ; the caudal rays of the fin are the longest. The pectoral fin little exceeds half the head's length, and the longest branch of the ventral is less than a third of the head's length, and three-fifths greater than the shorter. The color is a light rufous ; the vertical fins margined with black. The following table shows the relative proportions : Extreme length, (7 in.) 100 ; Length to end of middle caudal rays. Body. Greatest height 10; greatest width 7; height at anus 9; width at anus 7; height between anus and caudal 6J. Head. Greatest length 16 ; distance from snout to nape 11 ; greatest width 8; width of interocular area 3; height of preorbital li ; length of snout 4 ; length of supramaxillary 6. Eye. diameter 4J; diameter of pupil U. Dorsal (spinous). Distance from snout 21 ; height over anus 4; height near caudal 5. Anal. Distance from snout 33 ; height at middle 4| ; height near caudal 4. Caudal. Length of middle rays 5J ; length of external rays. Pectoral. Length 8J. Ventral. Length of longer branch 5 ; length of inner branch 3. A single specimen of this species, seven inches in length, was obtained by Commodore Rodgers, from the sounding line, at a depth of thirty fathoms in the Gulf stream, off the coast of Florida. It is in very fine condition. The species is distinguished from the brevibarbe, if that fish indeed belongs to this genus, at least by the more anterior anus, the smaller mouth and the more posterior origin of the dorsal fin. Sept. 1st. Mr. Cassin in the Chair. Seventeen members present. Mr. Kilvington exhibited a specimen of Arctic soil, brought home by Dr. Hayes in a box with Arctic plants. After repeated trial, Mr. K. had failed to induce anything to grow in the soil. The following papers were presented for publication : " Synopsis of the subfamilies and genera of Beryeoids j" " Synopsis 1863.] 212 PROCEEDINGS OP THE ACADEMY OP of the North American Gadoids ;" Description of the genera of Gadoid and Brotuloid Fishes ;" " Synopsis of the Lycodoidae ;" and " Synopsis of the Lepturoids," etc. By Theodore Gill. " On Strepoinatidae, etc." By S. S. Haldenian. Sept. 8 th. Dr. McEuen in the Chair. Sixteen members present. Prof. Porter made the following communication : During the month of August of the present year I devoted a day to the col- lection of fresh-water shells from the Juniata River, near Alexandria, Hun- tingdon County, Penna., and whilst engaged in the search, observed large numbers of Unio complanatus, Say, which had left the channel of the stream and crawled to its very margin, into little shallow pools, where the water was quiet and warm. They lay with the hinge down and the edge up, the valves slightly apart. This struck me as singular, and I touched several of them with my cane, when the valves were forcibly closed, and a greenish slime ejected upward for a, considerable distance. The slime did not dissolve, but floated on the surface. I afterward noticed pools that were covered with it, no doubt from voluntary emissions. This mucus-like substance was probably the semen of the male. I had no microscope with me of sufficient power to re- veal the presence of spermatozoa, and have since regretted that I did not bring some of the material home for examination. Some of the individuals observed may have been females, in a similar position, in order to receive im- pregnation. The following were presented for publication : " Notes on the Labroids of Western North America," and " Synop- sis of the Pomacentroids," etj. By Theo. Gill. Sept. lbth. Dr. Bridges, Vice-President, in the Chair. Fourteen members present. Dr. Leidy exhibited a female Phalangopsis, which he had found in an active condition rolled in a leaf of a spice bush, Benzoin odoriferum, in the manner of the lepidopterous leaf rollers, for which he happened to be seeking at the time. This habit was new to him, nor had he observed any previous account of it. The insect he had always found beneath stones and logs. The edges of the cone enclosing the insect adhered apparently by a mucoid cement, and had every appearance of having been made by the Phalangopsis, which hopped away after it was released. Sept. 22d. Dr. Bridges, Vice-President, in the Chair. Fifteen members present. [Sept. NATUaAL SCIENCES OF PHILADELPHIA. 213 The following were presented for publication : " Descriptions of the G-obioid Genera of Western North America/' ' Note on the Genera Hemirainphinai," and " On the Genus Perioph- thalmus." By Theo. Gill. " Description of a collection of Jasper Lance-heads, found near Trenton, N. J." By Charles C. Abbott. " Descriptions of new and little known species of Picidaj, etc." By John Cassin. Sept. 2dlh. Mr. Vaux, Vice-President, in the Chair. Eighteen members present. On report of the Committee, Mr. Cassin's paper, read Sept. 22d, was ordered to be published in the Journal. On leave granted, Dr. Bridges presented a paper entitled " Supple- ment to descriptions of soft parts and embryonic forms of Unionidaj." By Isaae Lea. Which, on report of a Committee, was ordered to be published in the Journal. On report of the respective committees, the following were ordered to be published : Synopsis of the POMACENTEUIDS of the Western Coast of North and Cen- tral America. BY THEODORE GILL. As some of the species of the family of Pomacentroids inhabiting the Pa- cific waters of our continent have been involved in confusion, and very diverse species united, the present article is submitted in rectification of such errors, and of others formerly committed by the author. The family of Pomacentroids is accepted with the types referred to it by Dr. Giinther ; that gentleman has, however, lately established a genus called Melambaphes* for a species supposed to be the Giypliisodon nigroris of Cuvier which he is uncertain whether to refer to the present family or the " group Cantharina" of the Sparoids. His description does not enable us to positive- ly decide, as he does not describe the course of the lateral line, which would have probably enabled one to refer it to its proper family, the lateral line being interrupted in the Pomacentroids, and continuous in the Sparoids and l'imelepteroids. As the new genus is, however, characterized by its " small ciliated scales " (L. lat. 100), the presence in each jaw of " a series of trench- ant, tricuspid teeth, and with a broad band of villiform teeth behind," and of " fourteen or thirteen spines in the dorsal fin, and three in the anal fin'' there can be little doubt that it belongs to Gunther's " group Cantharina." The following artificial table will assist in the determination of the genera. Lqridozygus, Parma and Acanthochromis are genera unknown to me through autopsy: * Melambaptaes Gthr., An. and Mas;. Nat. Hist., ser.3, -vol. xi. p. 115. Dr. Gunther is perhaps mis- taken in referring this species to the Glyphidodon nigroris, C. et V. ; those naturalists were too keen and profound to have placed a species of MelambapAes in Glyphidodon afieran examination which induced their surprise iu discovering three anal spines, notwithstanding the resemblance to the Glyphidodon rahti and bengalensis. It is possible that the third spine was an ossified ray. The Mdambaphes of Gunther having been then named from a misconception, it is better that it should obtain a new name that shall not perpetuate the error : it may therefore be called M. Guentheri. 1363.] 214 PROCEEDINGS OF THE ACADEMY OP I. Scales large or moderate (24 40) ; opercular bones scaly and not striated Pomacentrin.e. A. Dorsal spines 12 14. B. Scales in less than 30 oblique rows. C. Teeth compressed, uniserial. * Teeth fixed, entire. 1. Preoperculum serrated in adult Pomacentrus. 2. Preoperculum entire ; scales in about 14 longi- tudinal roAvs Pomataprion. 3. Preoperculum entire. Scales in about 20 longitudinal rows Hypsypops. ** Teeth fixed, more or less notched in middle. 1. Snout acute. Preorbital low. Teeth emar- ginate... Glyphidodon. 2. Snout blunt and high. Preorbital high. Teeth deeply notched Euschistodus. *** Teeth immovable, tricuspid Dischistodus.* **** Teeth in the upper jaw moveable Microspathodon. CC. Teeth conical, in more than one row. * Preoperculum entire , Chromis. ** Preoperculum serrated Dascyllus. BB. Scales in 35 40 oblique rows. Preoperculum serrated Lepidozygus. Preoperculum entire Parma. A A. Dorsal spines about 17 Acanthochromuf I. Scales small (45 -TO). Operculum and suboperculum radiatedly striated Amphiprionin^e. * Operculum and suboperculum spinous Amphiprion. ** Operculum and suboperculum serrated. Pre- orbital with a long spine Premnas. Subfamily FOMACENTRINuE Gill. Genus POMACENTRUS Gill. This genus includes only two Californian species, the P. quadrigulla and P. Bairdii, formerly referred to it, belonging to another. The two species rnay be briefly distinguished as follows : Synopsis. I. Lower limb of the preoperculum scaly ; height nearly equal to one-third of total length. Head above (in youth), with a blue line on each side continued uninter- ruptedly backwards to each side of the dorsal ridge ; another parallel line is continued backwards from the upper angle of the eye. Back of caudal peduncle with ocellus. a. Color similar above and below, in youth diffused blue on the centres of the scales, and with a dorsal ocellus. In the adult uniform purplish brown, and with no dorsal ocellus P. rectiframum. (i. Color above brownish, with blue on the centres of the scales ; below the lateral line and on tail brownish yellow ; and in front of latter, dottedTv'ith blue on each scale. Dorsal ocellus very distinct in adult as well as young P. flavilatus. * Type. Pomacentrus fasciatus C. et V. f Type. Dascyllus polyacauthus Blkr. Sept. NATURAL SCIENCES OF PHILADELPHIA. 215 POMACENTRUS RECTIFRjENUM Gill. Pouiacentrus rectifrsenum Gill, Proc. Academy of Natural Sciences of Phila., 1862, p. 148. Pomacentrus rectifrsenum Giinther, Catalogue of the Fishes in the British Museum, vol. iv. p. 26. Pomacentrus rectifrasnum Gill, in Giinther's op. cit., vol iv. p. 27. Pomacentrus analigutta Gill, in Giinther's dp. cit., vol. iv. p. 27. This species undergoes great change with age, and on two suites of speci- mens two nominal species were formerly based, the author having been de- ceived by the comparatively long retention of the colors of the young in several individuals, and the early assumption of the adult state by others. The color in extreme youth, as represented in a specimen eight Hues long, is reddish-brown, with blue lines obliquely crossing each scale, and forming as many subvertical, scarcely interrupted blue lines crossing the body as there arc rows of scales. On the back and lower part of the anterior soft dorsal is a large ocellus, and behind the fin is a smaller one. The head above has two very distinct blue lines continued from the snout over each eye, where they. are most distant, and again approximating and continued, one on each side of the base of the dorsal fin, but under the fin rather broken into a linear row of spots ; another line crosses the eye-ball above, and behind the upper angle of the orbit is a line which is continued to the row of scales above the lateral line ; a bar crosses the preorbital ; a line runs along the suborbital chain ; another line extends backwards from the corner of the mouth, and under the suborbital one ; and a blue line colors the upper lip. Ou each of the opercu- lar scales is a bluish blotch. The dorsal and anal fins are spotted with blue, a spot existing on each scale, and a blue bar crosses the base of the last anal rays. The caudal is brownish, as are also the pectorals. The ventrals dark, and the spine outside bluish, like the front of the anal. These colors are retained until the fish has attained a length of more than two inches, the chief change being effected by the slightly greater isolation of the spots on the rows above the lateral line, so as to break their continuity as lines ; and especially in the fading away of the blue ring and ocellus of the dorsal, which has then become very faint, and is the first to disappear. Fi- nally, in the very aged specimens, more than three inches long, the color of the body and scaly portion of the fins has become almost a uniform brownish- chesnut ; and very indistinct traces of the lines on the upper surface and sides of the head are perceptible. The naked portions of the dorsal and anal, as well as the ventral fins, are very dark, and the pectorals yellowish, The profile is also apparently steeper and more convex ; and the body more obese. In studying the development of this species, I have had before me not less than thirty-two individuals, exhibiting every gradation, from the specimen eight lines long to one nearly three inches and a half long, having discovered since my former studies several important specimens in a collection made at Panama by Oapt. Dow. My opportunities for knowing the changes of this species, as well as the West Indian ones, have, therefore, been much greater than Dr. Giinther's. Pomacentrus flavilatus Gill. Pomacentrus flavilatus GUI, Proc. Academy of Natural Sciences of Phila., 1862, p. 148. Gill, in Giinther's Catalogue of the Fishes in the British Museum, vol. iv. p. 27. Pomacentrus rectifrasnum pt Giinther, (excl. desc.) This species, so far as known, undergoes little change during its progress to adult age. The color above the lateral line, and on the scaly portion of the dorsal fin before the middle of its soft part, is dark-brown, with blue on the centre of 1863.] 21G PROCEEDINGS OF THE ACADEMY OP each scale ; while a large ocellus, very dark-blue, margined with light, adorns the back and the dorsal fin between the last spine and the sixth ray; and a small ocellus is on the back of the tail, behind the dorsal fin. Below the lateral line and behind the dorsal ocellus, the color is brownish-yellow, darker in front along the margins of the scales, and with an indistinct bluish dot in the centre of each scale, except on the caudal peduuele, where they are absent. The head above has two blue lines ; one on each side, continued from the snout backwards on the nape ; another line is continued from the upper angle of the orbit to the row of scales above the lateral line. A bar crosses the preorbital, and a line interrupted passes along the suborbital chain ; a bar is behind the ends of the maxillary. The scales on the cheeks and opercula are dotted with blue. The dorsal fin, behind its produced rays, as well as the anal, caudal, pectoral and ventral fins, are yel- lowish ; the former faintly marked with blue on its scales, and margined in front with dusky ; the ventrals are likewise margined on their outer edges with dusky. Genus POMATAPRION Gill. This genus is very closely related to Hypsypops and Pomacentrus, but is dis- tinguished from the former by the much higher and more covered scales, ar- rayed in about fourteen longitudinal rows ; the prolongation of the lobes of the caudal fin, and the scaly snout. From Pomacentrus it differs in the entire preoperculum in the extremely old as in the young, and the higher preorbital region. From Euschistodm it is distinguished by the entire teeth ; from Gly- phidodon by the entire teeth, elevated preorbital region, form of the head, &c. ; and from Parma by the size of the scales. There are two Galifornian species of this genus, which may be distinguished as follows : 1. Lower limb of the preoperculum naked ; height of body con- tained about 2times in the total length. Ucud above in youth, with two blue lines, one on each side, decurrent over or be- hind the eye, and two bine spots or lines on nape. Back of tail behind dorsal with a dark spot bordered in front by blue. *. Body uniformly colored, with two whitish blue spots above lateral line below fourth and last dorsal spines P. dorsalis. p. Body below and tail yellowish, without distinct blue spots. Occiput with two parallel blue lines in youth P. Bairdii. POMATAPRION DORSALIS Gill. Hypsvpops dorsalis Gill, Proc. Academy of Natural Sciences of Phila.. 1862, " p.~147 (old). Pomacentrus quadrigutta GUI, op. cit., 1862, p. 149 (young). Gill, in Giin- ther's Catalogue of the Fishes in the British Museum, vol. iv. p. 27. Gunther, Catalogue of the Fishes in the British Museum, vol. iv. p. 27. Glyphidodon dorsalis Gunther, op. cit., vol. iv. p. 50. In the young, the color of the body is a purplish-brown, varied with blue on the centre of each scale, the blue diminishing on the scales of the tail towards the fin. On each side there is a blue spot on the first scale above the lateral line, on the scale above the seventh of the lateral line and below the fourth dorsal spine, and another on the one above the fifteenth scale and below the eleventh or twelfth spine ; on the tail, behind the dorsal fin, there is a transverse dark band, bordered in front by blue. The head above has two blue lines, one on each side, running from, and decurved over, the eye behind the orbit. The forehead is indistinctly marked with blue in the centre of each scale ; and on the nape there are two oblong blue spots, one on each side. A continuous blue line is continued from the side of the snout along the suborbital chain, and unites with the line decurrent behind the orbit. [Sept. NATURAL SCIENCES OF PHILADELPHIA. 217 Behind the end of the supramaxillary, there is a vertical blue bar. The scales of the cheeks and opercula are spotted with blue in the centre. Lips immacu- late brown. The dorsal fin on its scaly portion is similar to the back ; the anal has a blue spot at the base of its last rays, and its front, like the outer edge of the ventral fin, is blue. The pectoral inside has also a blue line across the base of the upper rays. As the fish advances in age, the blue on the centres of the scales fades, and. finally, the color of the whole body, as well as the scaly portions of the fins, become a purplish-brown ; but the spots on the scales above the first, seventh and fifteenth (sixteenth) scales of the lateral line remain, as does also the one bordered before by blue in the rear of the dorsal fin. The coloration on the head simply becomes fainter, and the lines narrower and somewhat inter- rupted. The fins are uniform and spotless, except the pectoral, which retains the transverse bar which was assumed in its youth. This species, in its young state, was formerly described as a Pomacentrus, the preoperculum having a scolloped appearance, produced by the muciferous ducts and their mouths, and thus simulating the serrature of young Pomaeen- tri, misleading Dr. Giinther as well as myself, especially as it had the color- ation and form of a Pomacentrus. The border in the old is not so much ex- posed, and is perfectly entire, while the preorbital has gained in elevation at the expense of the eye. The uniform color of the body is also in strong con- trast to the variegated sides and fins of the young. The smallest specimen obtained by Mr. Xantus is nearly an inch and a half long ; and nine were obtained varying from that length to little more than two inches, none offering any essential difference. A single adult, distorted. and presenting a peculiar appearance, having a length of little more than four inches, was also collected. POMATAPRION BAIRDII Gill. Pomacentrus Bairdii Gill, Proc. Academy of Natural Sciences of Phila., 1862, p. 149. Gill in Giiniher's Catalogue of the Fishes, &c, vol. iv. p. 27. Pomacentrus rectifrsenum pt. Giinther, (excl. desc.) The color in extreme youth, as represented by a specimen ten lines long, is greenish-yellow, modified by blue above on the middle of each scale, the margins alone being brownish ; below a line drawn from the axil of the pec- toral to that of the dorsal fin, the blue has disappeared, and the brownish- yellow is conspicuous, sprinkled over with a few faint, darker dots, which themselves become obsolete on the abdomen and caudal peduncle ; immedi- ately behind the dorsal fin there is a dark spot, margined in front by blue. The head above has two blue lines continued from snout and decurved over the eye-ball and behind the orbit ; on the forehead there is a transverse blue bar, and on the nape two nearly parallel longitudinal blue lines. An oblique blue bar crosses the preorbital ; a series of blue dots on the suborbital chain is continued to meet the deflected line behind the eye, and there is a blue bar behind the end of the maxillary. The lips and opercula are brown. The dorsal fin, on its scaly portion, including all the spinous portion, except a marginal band, and the lower half of the soft, is blue, the scales scarcely being margined by brown ; the other fins are colorless, except the margin of the anal, which is dark. The species, with advancing age, loses the intensity of the blue above, but that color spreads downwards faintly, and is perceptible on all the scales ex- cept those of the abdomen and hinder portions of the caudal peduncle. The blue on the upper surface of the head and the preorbital finally becomes ob- literated, but the series on the infraorbital chain and the bar behind the maxillary remains, while the opercula assume blue dots. The fins also, es- pecially the ventral and anal, have become dusky. I have seen nine specimens of the Pomataprion Bairdii, from Cape St. Lucas 1863.] 16 218 PROCEEDINGS OF THE ACADEMY OP and Panama, varying from ten lines to two inches and a half in length, and have been thus enabled to study the development of the coloration, which is quite peculiar in the gradual spreading of the blue, while it becomes fainter at the same time with age. The species is closely allied to the P. quadrigutta, having nearly the same height, the naked lower limb of the preoperculum, and the pattern of the upper surface of the head. It has high preorbital bones , and a wide convex forehead. The specimen mentioned under this name in Dr. Giinther's Catalogue, can scarcely belong to it, as that author would otherwise not have confounded it with the P. rectifr&num, which belongs to a different genus. The name under which the P. Bairdii was sent has doubtless by some accident been shifted to the young of P. reclifrienum, and the specimen of the former lost. Genus HYPSYPOPS Gill. Synonymy. Hypsypops Gill, Proc. Academy of Natural Sciences of Phila., 1861, p. 165. Hypsypops Gill, op. cit., 1862, p. 147. Glyphisodon sp. Girard. Parma sp. Giinlher. Body oblong-oval, with the dorsal and inferior outlines correspondent, rapidly contracted under the soft dorsal and anal fins, constricted behind those fins, and with the caudal peduncle short and high. Scales little or no higher than long, subpentagonal, with a muricated bor- der behind ; arranged in less than thirty oblique rows, and about twenty longitudinal ones. Smaller ones extend far on the vertical fins. Lateral line tubular, terminated under the posterior portion of the dorsal fin. Head rather higher than long, constricted at the nape, with the forehead prominent, in front of which the profile is steep, but depressed, and the snout protuberant and jaws rounded. Infraorbital chain in front elevated, higher than the diameter of the eye, subangulated at the corner of the mouth, and thence trending very obliquely upwards and backwards, under and be- hind the eye. Eyes rather small. Preoperculum unarmed ; operculum with a bony projection behind. Cheeks with rather small scales ; operculum and suboperculum with large ones. Preorbital, and region in front of forehead, naked. Mouth small, with its periphery semioval, and the supramaxillaries ceasing in front of the eyes ; little retractile under preorbital ; surmounted by a strong ridge. Lips rather thick, continuous at angle with each other j lower free all around. Teeth fixed, uniserial, contiguous, narrow, blunt and entire ; in a short, semioval row, and behind deflected outwards and downwards on the upper jaw ; In the lower, in an oblong, semioval row. Branchiostegal rays five. Dorsal fin with twelve subequal spines, and the soft portion produced in front of the middle and emarginated behind. Anal fin armed with two stout spines, and with a soft portion like the dorsal. Caudal fin notched, with the lobes rounded. D. XII. 16. A. II. 15. C P. V. 1. 5. 5 Scales 28 14 Hypsypops rubicdndus Gill. Synonymy. Glyphisodon rubicundus Girard, Proc. Academy of Natural Sciences of Phila., Vol. vii. p. 148, 1854. Girard, Explorations and Surveys for a Railroad Route, &c, vol. x. Fishes, p. 161, pi. xxiv. Girard, op. cit., vol. x. Whipple's Report, Zoology, p. 51. [Sept. NATURAL SCIENCES OP PHILADELPHIA. 219 Hypsypops rubicundus Gill, Proc. Academy of Natural Sciences of Phila., vol. xiii. p. 165, 1861. Parma rubicunda Giinther, Catalogue of the Fishes in the British Museum, vol. iv. p. 58. This species, which has only twenty-eight transverse rows of scales, has been referred by Dr. Giinther to his genus Parma, characterized by having the scales " in more than thirty transverse series," thus distinguished from Glyphidodon, which has the " scales in 30 or less transverse series." It is ; however, due to Dr. Giinther, to add that he was logically correct from the data in text in making such an approximation, the species having been truth- fully affirmed by Dr. Girard to have twenty longitudinal rows ; but no men- tion was made of the number of transverse ones. The species is, however, distinguished by the comparative longitudinal extension of the scales, which is accompanied by a less number compared with the longitudinal rows than might have been expected. On the other hand, Dr. Giinther was logically in error in giving the new name Parma to his genus, as he supposed the type and only species which originally served for Hypsypops was a true representa- tive of the former genus ; and the latter name in such a case would, of course, have had to be retained. The characters on which Hypsypops was founded were certainly quite different from those serving for Parma; which were the most valuable is not for the reviewer to decide. As the two types, however, belong to different genera, Parma should be retained for the species having its characters. The figure accompanying Girard's description is incorrect as to the form of the dorsal and anal fins and the size of the opercular scales. The fins are acutely produced in advance of the middle, and emarginated behind, while the scales of the operculum are rather smaller than those of the sides. The number of transverse rows of scales is correctly given. Genus EUSCHISTODUS Gill. This genus, as already remarked, has the physiognomy much like that of Hypsypops and Pomataprion, but is distinguished from them by the deeply grooved and notched teeth, and is, perhaps, really more nearly allied to Glyphidodon. Two species are found along the Western Coast of America, and a third species, closely related to one of the former, is found on the opposite side of the continent. Edschistodus concolor Gill. Euschistodus concolor Gill, Proc. Academy of Natural Sciences of Phila.. 1862, p. 145. Glyphidodon concolor Giinther, Catalogue of the Fishes in the British Muse- um, vol. iv. p. 37. This species, which is very distinctly banded in youth, loses its bands in old age, and becomes of a uniform chocolate or purplish-brown, with a brown breast and abdomen. A species very nearly related to E. concolor, having almost exactly the same 4 proportions, number of rays (D. XIII. 12. A. II. 10. P. 18.), scales, (26 ), 9 &c, is found on the eastern coast of the isthmus, one specimen from As- pinwall having been sent to the Smithsonian Institution by the Rev. Mr. Rowell. The color is purplish-brown, dotted with green on the centre of each scale, and with the throat and abdomen covered with a lake-colored coat. The teeth are smaller, there being twenty-one or -two on each side of the up- per jaw, seven of which are in the deflected portion behind; and in the lower jaw there are about twenty-five on each side. The anal fin has its produced portion rounded, rather than angular, as in E. concolor : and in the specimen 1863.] 220 PROCEEDINGS OF THE ACADEMY OF collected, the lower lobe of the caudal fin is subtruncated behind, but perhaps is abnormally so. To this species are possibly referrible the specimens from the island of Cordova, enumerated under the head of E. coneolor by Gunther. The Aspinwall type may be named Euschistodus analogus. Euschistodus declivifrons Gill. Euschistodus declivifrons Gill, Proc. Academy of Natural Sciences of Phila., 1862, p. 37. Glyphidodon declivifrons Gunther, Catalogue of the Fishes in the British Mu- seum, vol. iv. p. 38. This species extends from Cape St. Lucas to Panama, where a fine adult specimen was obtained by Capt. Dow. Genus GLYPHIDODON Lac. Glyphidodon Troschelii Gill. Glyphidodon Troschelii Gill, Proc. Academy of Natural Sciences of Phila., 1862, p. 150. Gilnther, Catalogue of the Fishes in the British Museum, vol. iv. p 36. Hab. Cape St. Lucas. Genus CHROMIS Cuvier. Heliases Cuv. et Val. Furcaria Poey. Heliastes Lowe, Gunther. The genus Chromis was especially established upon the Spams ckromis of Linna;us,by Cuvier, in the year 1815, in the " M^moires du Museum d'Histoire Naturelle ;" and therefore the name must be retained for that type, while the bold of the Nile must assume the name Tilapia, as M. Auguste Dumeril and the author have shown. I am not yet able to perceive any generic distinction between Chromis and Furcaria, although Prof. Poey was quite correct in his statement that the latter has sometimes seven branchiostegal rays, as he has forwarded to me a preparation of the F. puncta, exhibiting that number. I have myself dissected out a membrane with six rays. Chromis atrilobatus Gill. Synonymy. Chromis atrilobata Gill, Proc. Academy of Natural Sciences of Phila., 1862, p. 149. Heliastes marginatus pt. Giinther, Catalogue of the Fishes in the British Mu- seum, vol. iv. p. 64. The color is dark-green, tinged with olive above, and lighter below, while there is a very distinct sulphur spot behind the dorsal fin. The head above is very dark, light-green on the sides, silvery on the preorbital region. The soft portion of the dorsal fin is blackish, except the hinder portion (four or five rays), which is yellowish. The anal fin is greenish, dotted with black, and with the spines green. The caudal fin is greenish yellow, dotted with black, with a black band along each lobe, and with the margins above and below bordered with greenish. The pectoral and ventral fins are greenish ; the former black at the base. The snout is rather shorter than the eye. The teeth of the outer row are enlarged, and behind them is a narrow band of scattered ones. There are four longitudinal rows of scales between the median dorsal row and the lateral line. This species is apparently as closely related to the Chromis puncta ex Poey as to the Brazilian C. marginata, or Heliastes marginata of Castelnau, with which it has been, on too slight grounds, identified by Dr. Gunther, and in [Sept. NATURAL SCIENCES OP PHILADELPHIA. 221 spite of the difference in the number of the scales, especially those between the back and lateral line * The colors of the two species are also different, the present having a very distinct sulphur-yellow spot immediately behind the dorsal fin, and extending obliquely forwards and downwards, as in C. puncta. This character was inadvertently omitted in the original description. Notes on the LABROIDS of the Western Coast of North America. BY THEODORE GILL. Within the short time that has elapsed since the publication of the descrip- tions of the Labroids of Lower California, two most important works relating wholly or in part to the Labroid alliance have been given to the world. Dr. Bleeker, after having published in the Proceedings of the Zoological Society of London,! an( i f those of the Royal Academy of Amsterdam,! an analytical conspectus of the family of Labroids, in his great work on the Fishes of the Indo-Molluccan Archipelago, has with great precision described and figured the numerous species of those seas. Dr. Giinther has also issued the fourth volume of his Catalogue in which he has introduced some slight modifications in the generic arrangement formerly proposed by him, and has given diagnoses of all the determinable species. The family of Labroids as understood by the writer has the limits assigned to it by Bleeker, the families Scaroids and Siphonognathoids being apparently valid. Giinther has embraced the three under one family, and has even re- ferred the genus Siphonognathus to a "group," including in addition Odax, Coridodax and Olistherops, considering the genera Odax and Siphonognathus " as closely and naturally allied as Sus and Babirussa." Siphonognathus, how- ever, disagrees with Giinther's diagnosis of the Labridse in having no " ventral fins thoracic, with one spine and five soft rays," and instead of the " bran- chiostegals five or six," only four. As I both believe that a genus should have the chief characters of the family in which it is introduced views shared with most naturalists and believe that those characters in which Siphonognathus differs from the Labroids are important in this group of families, especially when joined to such a modification of form as it presents, I eliminate from the Labroids that genus formerly recognized as the type of a peculiar family by myself and shortly afterwards by Bleeker. If two such dissimilar groups have any analogies, I should say that Siphonognathus and Odax bear the same rela- tion to each other as Sus and Hippopotamus types of distinct families. The generic distinctions of Dr. Bleeker seem to be in almost all cases happy, and the subfamilies Cheiliniformes, Pseudolabriformes Pseudodaciformes, (= Pscudocina Gthr.) Chelioniformes, Labriformes, (= Labrina Gthr.) Odaci- formes and Clepticiformes appear to be natural, although concerning the fir3t and fifth there may be some uncertainty. The other subfamilies Novaculae- formes, Labrichthyiformes and Cossyphiformes appear to require revision. Dr. Giinther has enunciated for the first time a most interesting and import- ant generalization for the Labroids which may also be extended to other families. " In those genera which are composed entirely or for the greater part of tropical species, the vertebral column is composed of twenty-four or nearly twenty-four vertebrae, whilst those which are chiefly confined to the temperate seas of the northern and southern hemisphere have that number in- * It is possible that the number of transverse rows of scales, and the longitudinal rows below the lateral line, given in my former description, may be too high, and is at least doubtful, the scales having been mostly rubbed off, and only ascertainable through the scars left by them. t Op. cit,, 1862, pp. 408118. % Verslagen en Mededeelingen der Koninklijke Akademie von Wetenschappen, Amsterdam, vol, xiii. pp. 94109. 1863.] 222 PROCEEDINGS OP THE ACADEMY OF creased in the abdominal and caudal portions." This generalization as ap- plicable to the representatives of Acanthopterygian families generally, can be considered in connection with the predominance of the true Malacoptery- gian fishes in northern waters fishes in which the increase in the number of vertebra? is a normal feature. In the following list, no revised deceptions of the species are offered, as all have been since admitted. The object is chiefly to sustain the generic nomen- clature formerly proposed. From this must be excepted the genera Oxychei- linus and Crassilabrits Swainson, which were based on false characters, the figures of the types having been defective. It is possible that those types are generically distinct, but their true characters require to be yet given. The name Malacocentrus must be also suppressed, Dr. Bleeker having slightly pre- viously given to the same genus the name Novaculichthys. The distribution of the genera among subfamilies is admitted with much hesitation. Subfamily CHCEROPINJE (Gthr.) Genus HARPE (Lacepede) Gill. This genus was originally founded by Lace"pede for the reception of the species since generally known as the Cossyphus bodianus C. V. ; it was charac- terized by the dentition, allusion being made to the presence of the enlarged teeth at the front of the jaws as well as behind, and the intervening small teeth erroneously described as compressed and triangular, and by the falci- form production of the dorsal, anal and ventral fins, as well as the extension of the outer rays of the caudal. To it was also erroneously attributed a com- pressed and triangular barbel on each side near the commissure of the lips, a mistake probably due to some defect in the drawing which afforded Lacepede his knowledge of the genus. It was only known through a design of the na- turalist Plumier. As the genus and species are recognizable from the descrip- tion of Lacepede, the name should have been retained for that group of which his species is the type, even if Cuviers subsequent name Cossyphus had not been pre-occupied. The genus Cossyphus as finally limited by Bleeker and Giinther is scarcely natural as such, five according to the author's views being embraced in it. Giin- ther, in his revised list, has admitted seventeen species, besides two as doubt- ful ; these may be distributed among the genera, indicated in the analytical table given below. The genus Harpe contains five known species, H. rufus (= Cossyphus bodi- anus C. V.); H. pulchellus (C. p. Poey) ; E. eclancheri (G. ex Vol.) and the two species of Lower California. I. Posterior canine tooth developed. Scales 1. 1. 30 34 (-3G). a. Dorsal and anal fins never produced into falciform lobes (old world). 1. Limbs of preoperculum scaly ; head oblong, snout produced in front Lepidaplois.* 2. Limbs of preoperculum scaly ; head high, snout decurved from forehead, and rather ab- breviated Euhypsocara.f 3. Limbs of preoperculum naked ; snout convex.... Gymnopropoma.J (3. Dorsal and anal fins produced into very long falci- form lobes in adult, (new world) Harpe. II. Posterior canine teeth obsolete. Scales of lateral line about 39 Achoerodus.$ * Type. Cossyphus axillaris C. Y. f Cossyphus anthioides Gthr, I Cossyphus I'ihmulatus C. V. Cossyphus Gouldii Rich. [Sept. NATURAL SCIENCES OF PHILADELPHIA. 228 Hakpe diplot^ixia Gill. Harpe diplotaenia Gill, Proc. Acad. Nat. Sci. Phila., 1863, p. 140. Cossyphus diplotaenia Gthr., Cat. iv. 110. Bab. Cape St. Lucas. Harpe pectoralis Gill. Harpe pectoralis Gill, Proc. Acad. Nat. Sci. Phila,, 1863, p. 141. Cossyphus pectoralis Gthr., Cat. iv. p. 110. Hab. Cape St. Lucas. Subfamily JULIDINJE (Gthr.)* Genus JULIS (Cuv.) Giinther. JOLIS LUCASANA Gill. Julis lucasana Gill, Proc. Acad. Nat. Sci. Phila., 1862, p. 142. " " Giinther, Cat. iv. p. 184. Hab. Cape St. Lucas. Genus CHCEROJULIS Gill. * Chcerojulis semicinctus Gill. Synonymy. Julis semicinctus Ayres, Proc. California Academy of Natural Sciences, pt. ii. p. 32. Choerojulis sp. ? Gill, Proc. Academy of Natural Sciences of Philada., 1862. Platyglossus semicinctus Giinther, Catalogue of the Fishes in the British Museum, vol. iv. p. 161. Sab. Lower California. In implying that it was possible that Dr. Ayres might have committed an error in giving the number of dorsal spines of. this species, I have done him injustice, since he assures me that he has found that number ; although the dentition has not been noticed as to the presence of the angular tooth of the upper jaw, it is doubtless present, and the species probably belong to Chozro- julis. The species is unknown to me through specimens. Subfamily XYRICETEYINJE Gill. This subfamily should, perhaps, be limited so as to retain only those types which have the lateral line interrupted. It would then embrace the following genera : I. Scales rather large, thirty or less along lateral line. A. Head with the upper edge trenchant. 0. Dorsal spine nine, the first two remote from the others, on or close behind the occiput and forming a more or less distinct portion. 1. Cheeks with small scales Novacula. 2. Cheeks nakedf Iniistius. (i. Dorsal spines nine, all connected in a fin whose origin is nearly above the bases of the pectorals. Cheek naked Xyrichthys. B. Head above blunt. 1. Dorsal spines connected Novaculichthys. 2. First two dorsal spines more or less detached Dimalacocentrus. II. Scales small (lateral line with about 80). Head blunt on its upper edge Cymolutes. * The Julis modestus Grd. of Upper California is the type of a new genus, which may be named Oxyjulis. Girard was correct in giving nine dorsal spines ; in the one formerly noticed by me and which I caused to be figured, there were, however, only eight. f Occasionally there are a few scales around the orbit. 1863.] 224 PROCEEDINGS OF THE ACADEMY OP The limits of those genera, it may not be unnecessary to remark, were in- tended to include the same species referred to Bleeker's genera, founded on the same types. Xirichthys embracing X. novacula, Cuv., X. argentimaculata Steind., {Nov.) Javanica Blkr., X. cyanifrons C.V., X. martinicensis C.V., X. uniocellata C. V., X. lineata C. V. and X. mundiceps GiU. Iniistius includes only the /. pavo, 1. (Nov.) tetrazona ex Blkr., /. mundicorpus Gill, /. (Xir.) dea ex T. S. and /. (Nov.) aneitensis ex Gthr. To Novacula are referrible the N. pentadactyla, N.panctulata, N. Tivistii, N. melanopus and N. spilonotus, and probably N. bima- culata ex Riipp. The genus Iniistius would not include the Novaeulichthys callosoma of Bleeker, but at the same time I would not have included it in Novaeulichthys as it differs not only in the notch between its two produced an- terior rays and the third, but also in the still more anterior insertion of the ventral fins ; it may be called Dimalacocentrus callosoma. Genus XYRICHTHYS Cuvier, 1815. Novacula Bleeker, 1862, (nee C. V.) Cuv. R. A. ii. p. 265, 1817. The genus " Xyrichthys " was especially established upon the Coryphsena novacula of Linnaeus, by Cuvier, in his Memoir on the Fishes of the Mediter- anean.* The name must consequently be retained for the genus of which that is the type. Xyrichthys mundiceps Gill. Xirichthys mundiceps Gill, Proc. Acad. Nat. Sci. Phila., 1862, p. 143. Novacula mundiceps Gunther, Oat. iv. p. 172. Hab. Cape St. Lucas, Genus INIISTIUS Gill. Xirichthys Bleeker (nee Cuv. 1815.) The genus was first recognized by Dr. Bleeker, as now limited, slightly before it was named by the present author, but that gentleman has given to it a name which was originally applied to an allied genus for which it should apparently be retained. Iniistius mundicorpus Gill. Iniistius mundicorpus Gill, Proc. Acad. Nat. Sci. Phila., 1862, p. 145. Novacula mundicorpus Gthr., Cat. iv. p. 176. Hab. Cape St. Lucas. Synopsis of the family of LEPTUROIDS, and Description of a remarkable new generic type. BY THEODORE GILL. My valued correspondent, M. Felipe Poey, of the University of Havana, in a recent transmission of specimens of natural history to the Smithsonian In- stitution, forwarded a most interesting fish belonging to the family of Leptu- roids, and evidently most closely related to the genus Lepidopus. That gen- tleman, in a previous letter, had drawn my attention to it, and desired me to describe it. This request, so much in accordance with my own inclinations, is now responded to, and, at the same time, in order to illustrate its affinities and differential characters, the diagnoses of the previously known genera of Lepturirxe and Lppidopodints are submitted. Family LEPTUROIDS Gill. Synonymy. Trichiurini Rajinesque, Indice d'lttiologia Siciliana, p. 37, 1810. * Memoires du Mus. d'Hist. Nat., i. pp. 324, 329, 1815. [Sept. NATURAL SCIENCES OF PHILADELPHIA. 225 Teniosonies Blainville, Journal de Physique, t. lxxxiii. p. 25, 1816. Trichiuridae Giinther, Catalogue of the Acanthopterygian Fishes, &c, vol. ii. p. 342. Lepturoidse Gill, Catalogue of the Fishes of the Eastern Coast of North Ame- rica, &c, p. 35. Peropteres pt. Dam. Elongated riband-shaped fishes, with the tail very slender, either filiform and Unless, or with a forked caudal ; a naked skin ; rnaxillars not protractile, more or less coalescent and hiding mostly under the suborbital bones, the post-anal region with numerous, almost concealed spines, and the ventral fins obsolete or represented by scale-like spines behind the pectoral region. The Lepturinse and Lepidopodinse have the most anterior spines simple, but becoming gradually grooved on their posterior edges, and soon the spines themselves are split to their bases. The following genera belong to this family : Conspectus I. Dorsal fin undivided. A. Tail filiform and finless Lepturin.3e. a. Lateral line near the abdomen Lepturus. P. Lateral line median Eupleurogrammus. B. Tail with a normally developed and forked fin Lepidopodin.2E. a. Profile rectilinear and forehead depressed Lepidopus. p. Profile high, trenchant and boldly declining Evoxymetopon. II. Dorsal fin double Aphanopodinje. Teeth of the palate wanting Aphanopus. Aphanopus Lowe is only known to me through the descriptions of Lowe and Giinther, which leave considerable to be desired. I am, therefore, precluded from giving a detailed diagnosis. It is to be hoped that some of the Madeiran ichthyologists will more fully illustrate that singular type. Subfamily LEPTURINSE Gill. Synonymy. Trichiuria Rufinesque, Analyse de la Nature, &c, 1815. Trichiurini Bonaparte, Systema Vertebratorum, 1S31. Trichiurinse Scvainson, Natural History of Fishes, Amphibians and Reptiles, vol. ii. p. 254, 1839. Lepturinse Gill, Catalogue of the Fishes of the Eastern Coast of North Ame- rica, p. 35, 1860. Genus LEPTURUS Artedi. Synonymy. Lepturus Artedi, Descriptiones Specierum Piscium, p. Ill, 1738. Enchelyopus Klein, Historise Piscium Naturalis promovendse Missus quartus, p. 51, 1744. Gymnogaster Gronovius, Museum Ichthyologicum, i. p. 17, 1754. Trichiurus Lituueus, Systema Naturae, ed. 10, vol. i. p. 429. Trichiurus Giinther, Catalogue of the Acanthopterygian Fishes, &c, vol. ii. p. 346, 1860. Enchelyopus Bleeker. Body naked, very long and thin, rather rapidly decreasing in its posterior half and terminating in the slender, compressed, finless caudal filament. Lateral line simple, strongly decurved behind the pectoral fin and continued near the line of the abdomen to its extremity. Head much compressed, oblong, conic, with the profile straight or incurved and the snout terminating acutely and more or less gibbous near its end. Forehead with an elongated linear depression, bounded on each side by a 1803.] 226 PROCEEDINGS OF THE ACADEMY OF ridge of the frontal bone. Eyes moderate, nearly in the middle of the head. Operculum oblong, striated and fringed behind, extending above the bases of the pectoral fins. Nostrils vertical, in front of eyes. Mouth rather large, the supramaxillars extending partially under the eyes ; intermaxillars and supramaxillars united ; supramaxillars convex above at the middle, behind with a projection downwards truncated in front. Lower jaw narrow and produced at its chin. Teeth, one or two on each side of the intermaxillars elongated and barbed ; behind smaller, compressed and triangular ; smaller in the lower jaw and minute on the palatine bones. Dorsal fin continuous from the nape and nearly above the preoperculum to the filamentous tail, nearly uniform or higher towards the middle. Anal spines very minute. Ventral fins entirely absent. D. CXIL CXL. Vertebra; 39 | 112 pm. Ca;ca pylorica 24 pm. This genus is represented in all the tropical seas, except perhaps the African ones, and some of its members wander into the temperate ones, species occur- ing along the Eastern American coast, as well as the Japanese and Chinese seas. The following five species are well determined : 1. Lepturus argexteus =Trichiurus lepturus C. et V. viii. p. 237. Western Atlantic. 2. Lepturus japonicus = Trichiurus japonicus Blkr. Japan. 3. Lepturus savala = Trichurus savala C. et V. viii. p. 251, pi. 224. East Indian and Chinese seas. 4. Lepturus hau.mela = Trichiurus haumela C. et V. viii. p. 249. East Indian seas. 5. Lepturus lajor = Trichiurus lajor Blkr. Manado. Genus EUPLEUROGRAMMUS Gill. Synonymy. Eupleurogrammus Gill, Proc. Academy of Natural Sciences of Phila., 1S62. Trichiurus sp. Gray, Giinther. Body naked, very long and thin, rather rapidly decreasing at its posterior half and terminating in the slender, compressed, finless caudal filament. Lateral line simple, scarcely decurved, and continued along the middle of the side to its termination. Head much compressed, oblong conic, with the profile nearly straight, the forehead transversely convex, the snout acute and scarcely gibbous near its end. Eyes rather large, situated nearly in the middle of the head. Oper- culum oblong and fringed behind, extending above the base of the pectoral fins. Nostrils vertical, in front of the eyes. Mouth as in Lepturus. Teeth as in Lejiturus. Dorsal fin continuous from the nape nearly above the preoperculum to the extremity of the tail, where the spines are very minute. Anal spines very minute. Pectoral fins longest at the upper rays, obliquely subtruncated below. Ventral fins replaced by a pair of minute scale-like spines. D. CL. pm. Type. Eupleurogrammus muticus Gill ex Gray. This genus differs from Lepturus chiefly by the course of the lateral line along the middle of the body, the feature indicated by the generic name, and [Sept. NATURAL SCIENCES OF PHILADELPHIA. 227 also by the presence of scale-like spines in place of the ventrals. It thus shows a tendency towards Lepidopus, and perhaps further by a more perfect develop- ment of the tail than occurs in Lepturus. According to Giinther, the Trichiurus muticus and T. intermedins of Gray are not specifically distinct, and, if this opinion is correct, the typical species of the genus is the only one known. Both forms inhabit the East Indian and Chinese seas. Subfamily LEPIDOPODINjE Gill. Genus LEPIDOPUS Gouan. Synonymy. Lepidopus Gouan, Historia Piscium, p. 185, 1770. Vandellius Shaw, General Zoology, vol. iv. p. 199, 1803. Scarcina Rqfinesc/ue, Caratteri di alcuni Nuovi Generi, &c, della Sicilia, p. 20, 1810. Zipotheca Montagu, Memoirs of the Wernerian Society, vol. i. p. 81, (1809), 1811. Lepidopus Cuv., Giinther, et al. Body naked, very long and thin, gradually decreasing backwards till within a short distance of its extremity, when it rapidly tapers into a slender com- pressed caudal peduncle, on which is set a small, but completely developed, caudal fin. Anus subcentral. Lateral line simple, little decurved from the scapular region and continued along the middle of the side to its end. Head much compressed, oblong, conic, with the profile nearly straight or constricted behind the forehead, and with the snout gibbous near its end ; forehead narrow, with an elongated triangular depression between two frontal ridges. Eyes moderate, situated nearly in the middle of the head. Opercu- lum oblong, not extending as far back as the bases of pectoral fins, fimbriated on its margin. Nostrils oblique, in front of the eyes. Mouth moderate, the supramaxillars extending to about the vertical from the front of the eye ; intermaxillars and supramaxillars free, the former highest near the middle and arched above, again widened towards the ends, with a terminal expansion downwards truncated in front. Lower jaw narrowed to its extremity and bluntly produced at the chin. Teeth, two or three long, simple, (or barbed ?), compressed ones on each side of the intermaxillars in front,* and behind a row of small ones. Lower jaw with a similar row ; palatine teeth minute. Dorsal fin commencing above or behind the preoperculum, nearly uniformly high and continuous almost to the caudal fin. Anal spines numerous and minute ; behind enlarged and connected by a membrane to form a fin. Caudal fin small but normally developed, deeply forked, and with subacute lobes. Pectoral fins inserted almost horizontally, with the lower rays longest, and above emarginated. Ventral fins represented by scale-like spines inserted behind the pectoral fins. D. C CV. A. XX XXV. Vertebras 41 | 71 pm. Caeca pylorica 23 pm. Type. Lepidopus caudatus White ex Euphrasen. Only one species of this appears to be known. It has been only found in the Mediterranean Sea and the eastern parts of the Atlantic Ocean. Genus EVOXYMETOPON Poey. Body naked, very long and thin, very gradually decreasing backwards till within a short distance of the extremity, when it more rapidly tapers into a * I see none with barbed points, like those represented by Cuvier, in the specimen before me. 1863.] 228 PROCEEDINGS OF THE ACADEMY OF slender compressed caudal peduncle, on which is inserted a completely de- veloped caudal fin. Anus submedian. Lateral line simple, scarcely decurved from the scapular region, and con- tinuous along the middle of the side to its end. Head much compressed, oblong, with the profile regularly decurved from the nape or supraocular region to the snout, the occiput and forehead being trenchant and elevated. Eyes moderate or rather large, subcircular, and situated chiefly in the anterior half of the head. Operculum oblong, trape- zoidal, not extending backwards as far as the pectoral fins, radiatedly striated on the surface, and giving a fringed margin to the bone above its angle. Nos- tril subcircular, in front of the eye. Mouth moderate, the supramaxillars extending only to about the vertical of the front of the eye ; intermaxillars and supramaxillars free, the latter highest towards the middle, where they are arched above, thence constricted and little widened towards the ends, with a terminal extension downwards abruptly truncated in front. Lower jaw deeply narrowed towards the sym- physis, where it is moderately deep, and with the chin obtusely angulated. Teeth two or three strong, simple, compressed, recurved ones on each of the intermaxillars in front, and behind a row of small ones. Lower jaw with a row of nearly similar but straighter teeth. The palatines have a minute row, and, finally, the tongue is armed also with minute ones on the lateral margins. Dorsal fin commencing nearly over the eye, slowly decreasing in a continu- ous line towards the caudal fin. Anal spines numerous, preceded by a dagger- shaped spine behind the anus ; the spines mostly minute, free, posteriorly en- larged, connected by the membrane and forming a fin. Caudal fin small, but normally developed, deeply forked and with subacute lobes. Pectoral fins inserted almost horizontally, with the lowest rays longest and the border of the fins above them emarginated. Ventral fins represented by short broad scales behind the pectoral region. This genus is at once distinguished from Lepidopus by the form of the head, the origin of the dorsal fin, and the obtusely angular chin and the consequent ascent of the jaw forwards to the symphysis above. It is at present only cer- tainly known as a West Indian type, but it is probable that a representative of it has wandered to the British shores, and been noticed under the name of Trichiurus lepturus. EVOXYMETOPOX T.ENIATUS Poey. The greatest height equals about a twelfth of the extreme length, while the head forms about an eighth of the same. The head is oblong, trenchant above, elevated above the eyes for a space considerably greater than the di- ameter of the eye, and decurved very obliquely downwards to the snout. The diameter of the orbit enters about six times in the head's length. The first ten dorsal spines are undivided ; the rest split. B. 7. D. 87. A. 19. C. 17. P. 12. The color is silvery, with about six narrow reddish bands most distinct behind, the first on the ridge of the back and the fifth along the lateral line. One specimen, nearly five feet long, was procured by Prof. Poey, and has been kindly presented to the Smithsonian Institution. Is not this at least closely related to the fish found on the beach of the ' ' Moray Frith, near the fishing village of Port Gordon, " about three miles east from the mouth of the river Spey, "on the 12th of November, 1S12,"' and noticed by Mr. James Hoy ?* The specimen was referred by Hoy to the Trichiurus lepturus, but it *For a notice of this fish, see the Transactions of the Linnean S. >ciety of Scotland, vol.xi. p. 210, and Yarrell's History of British Fishes, ed. 2, vol. i. p. 2uG. [Sept. NATURAL SCIENCES OF PHILADELPHIA. 229 evidently did not belong to that species, as the body gradually diminished for the latter half " to the tail, which ended in a blunt point ;" the "dorsal fin extended from the head to the tail ;" "both sides of the fish were white, with four longitudinal bars of a darker color ; the one immediately below the dorsal fin was about two inches broad, each of the other three about three-fourths of an inch. The side line straight along the middle." "Its head had been broken off and quite gone." In all the points thus enumerated, the Scotch fish decidedly differs from the species of the genus Lepturus, and it is equally distinguished from the Lepi- doj>iis caudatus by its bars of color, the latter, like Lepturus, having uniform silvery sides. It is true that Hoy denies ventral and anal fins, but it must be remembered that he was not a scientific ichthyologist ; the ventral scales, as well as the anal fin, had also, perhaps, been lost, or, preoccupied with the idea that his fish was the Lepturus ; Hoy did not carefully look for them. But whether this hypothesis is right or wrong, it is evident that Hoy had neither a Lepturus nor Lepidopus before him, and another large species of the sea remains to be confirmed by British naturalists as a visitant to their waters. The third edition of Yarrell s work is unknown to me, but its rediscovery can scarcely be signalized in it, since no mention is made of it in the subsequent work of Gunther. The following table indicates the relative proportions of the Evoxymetopon tceniatus. Extreme length 100. Body Greatest height 8 ; Height at anus 6\ ; height of tail between anus and caudal fin 5 ; least height of tail J. Head Greatest length 12 ; distance from snout to nape 7 ; length of snout A\ ; length of operculum 4^ ; length of lower jaw 5. Orbit Diameter 2 ; distance from profile 21. Dorsal Height at first spine 3 ; height at second spine 3| ; height at ray above anus If ; height at ray between anus and caudal 1. Caudal Length of external rays 3|. Pectoral Distance from snout at upper axilla 14 ; length 6$. Ventral Distance from snout 17^ ; length 2|. Synopsis of the North American GADOID FISHES. BY THEODORE GILL. In this paper I have corrected some errors that were copied in the " Cata- logue of the Fishes of North America," and an endeavor has been made to distribute the species, approximately at least, among their natural groups and genera. The whole family yet requires a careful revision, and the chief points to be cleared are rather referred to and indicated than elucidated. May those who are more fortunately situated carefully elaborate the subject ! I. Caudal fin distinct. Lateral line continuous. A. Anterior dorsal fin developed as a true and separate fin. B. Ventral fins normally developed, with (3 ) five to seven rays. 1. Posterior dorsal, as well as anal, sinuated or emarginated behind middle. Vertebra? with their neural spines developed, and wedged one into the other. Frontal bones double Mekluciiw^:. * Teeth of inner row elongated, moveable Merlucius. 2. Posterior dorsal and anal fins double. Vertebra? with moderate neural spines Gadinje. o. Lower jaw longer. Barbel absent or rudimen- tary * Teeth of upper jaw of equal size Pollachius. 1863.] 230 PROCEEDINGS OF THE ACADEMY OF ** Teeth of upper jaw enlarged in the outer row. Boreogadus. /?. Lower jaw shorter, received within the upper. * Head oblong conic and pointed ; the snout at least twice as long as the eye. Chin barbel well developed, f Anterior dorsal little elevated. Mouth mode- rate, maxillary extending at least as far as front of orbit Gadus. ft Anterior dorsal elevated at angle. Mouth small, the maxillary not extending as far as orbit Melanogrammus. ** Head abbreviated ; the snout blunt and little or no longer than the eye Brachygadus. 3. Posterior dorsal and anal tins entire and even Lotin-e. * Anterior dorsal fin anterior, little behind the pectorals. Mandible and vomer with enlarged teeth Molva. BB. Ventral fins simple at their base, thence divided. Phyoin;e. * First dorsal fin produced at third ray. Caudal fin convex behind Phycis. ** First dorsal fin rounded and not elevated. Caudal emarginated Urophycis. AA. Anterior dorsal fin composed of small fringes pre- ceded by a slender ray Ciliatin^. * Head depressed behind. a. Snout without cirrus Onos. /?. Snout with cirrus Rhinonemus. ** Head compressed Ciliata. AAA. Dorsal fin single and extending on back Brosmin^. *Chin with a single barbel Brosmius. Subfamily MERLUCIIN.E Gill. Genus MERLUCIUS Raf. Onus Raf., 1810. Stomodon Mitchill, 1814. Hydronus Mindling, 1S32. Merlus Gay. Homalopomus Girard. Epicopus Giinther. In North American waters are perhaps found two species of this genus occu- pying different areas : one, identified with the European species, inhabiting the seas of Greenland, and the Merlucius bilinearis occurring in more Southern latitudes. Merlucids vulgaris Fleming. Gadus merluccius Linn. Merluccius borealis Swainson. Hah. Greenland. I retain the name of Fleming for this species since there appears to be some doubt whether the one of the Mediterranean Sea and neighboring ocean is not different. I have never seen the Greenland species, and therefore am in no position to either confirm or contest its identification, which, however, is vouch- ed for by the able Reinhardt. Merlucius bilinearis Gill. Stomodon bilinearis Mitchill, Rep., p. 7, 1814. Gadus merlucius Mit. Gadus albidus Mit., Journ. Acad. N. S. Pa., i. p. 409. [Sept- NATURAL SCIENCES OF PHILADELPHIA. 231 Merlucius vulgaris Storer, Rep., p. 132. Merlucius albidus Dekay, Rep., p. 280, pi. 46, f. 148. Merlucius bilinearis Gill, Cat. Hah. Eastern coast from Virginia northwards. This species appears to differ from the European hake by the more numer- ous rays of the first dorsal, the more depressed second dorsal and anal, and in its proportions. The number of rays given to the European species by some of the best zoologists is exhibited in comparison with that presented by the American species. M. vulgaris. D. 9 10 | 39 40 A. 3739 Linnceus. D. 9 | 40 A. 39 Pennant. D. 10 11 | 3739 A. 3738 Sundevall. D. 10 | 39 A. 37 Parnell. D. 9-10 | 39^0 A. 3940 Kroyer. D. 10 | A. 3940 Nilsson. D. 10 | 3637 A. 3940 Giinther. M. bilinearis. D. 12 | 39 A. 39 Mitch. Rep. D. 12 | 38 A. 41 " Trans. N. Y. D. 12 | 3841 A. 40 Storer R. & Syn. D. 11 | 39 A. 40 Dekay. D. 13 | 41 A. 40 Storer Mem. Ac. vi. D. 12 | 39 (d. 19) A. 39 Gill. D. 13 j 38 (d. 17) A. 39 Gill. D. 12 | 41 (d. 20) A. 41 Gill. From the above enumeration, it is evident that the difference in the num- ber of the rays of the first dorsal does not come within the limits of specific variation. The depression of the second dorsal occurs at the seventeenth to twentieth rays. The number of rays of the first dorsal has been verified in eight other individuals. Subfamily GADINsE (Bon.) Gill. Genus POLLACHIUS (Nilsson.) This genus does not appear to include more than one American species, which one has been considered to be identical with the European Pollachius carbonarius by those who have compared the two. The Merlangus poutassoti of Risso, referred to this genus by Nilsson and Bonaparte, is quite distinct from it and the type of one which, having received no special name, may now be desig- nated Micromesistius ; it is distinguished by its dentition, the very short abdo- men, very long first anal and short second dorsal, which is widely separated from the first and third. Pollachius cakbonarids Bon. Synonymy of American fish. Gadus purpureus Mitch. Gadus (Merlangus) carbonarius Rich., F. B. A., iii. p. 247. Merlangus carbonarius Storer, Rep., 129. " purpureus Storer, Rep., 130. Pollachius carbonarius Gill, Cat., p. 48. Merlangus purpureus Gill, Cat., p. 48. Gadus virens Giinther, iv. 339. Doubtful synonyviy. Merlangus leptocephalus Dekay, Rep., p. 288, pi. 45, f. 146, (rectius 147 f) 1863.] 232 PROCEEDINGS OF THE ACADEMY OF I am acquainted with only one American species of this genus ; it is un- doubtedly the same described and figured by Storer in his History of the Pishes of Massachusetts, and the same as that which has been referred to the Gadus virens, or Pollachius carbonarius, by Dr. GUnther. As that gentleman has identified it with the European species after an actual comparison of speci- mens from Boston and Europe, and, as Dr. Reinhardt has enumerated the Euro- pean species among the Greenland Fishes, I am forced to follow them in faith until I shall be able to examine myself the fishes of the several countries. I am, however, disposed to believe that the New England and New York type is a distinct species ; in that case, it must receive the name Pollachius purpu- reus ; the minute barbel is very often present. Dr. Storer, in 1839, believed that he could recognize two species of Merlan- gus of the 31. carbonarius type, one of which was called by the last name and the other designated as 31. jmrpareus, Mitchill. In his descriptions he has given each a special set of characters, some of which are not mentioned in the description of the allied species, but, as his notices are not comparative, it cannot be assumed that the characters attributed to one are wanting in the other when not mentioned. But even after the eliminations required by such considerations, some points of his descriptions may be contrasted, and if im- plicitly relied in, would result in the admission of two species. Of 31. carbo- narius, he describes the "length of the head compared to that of the body, exclusive of the tail, as 1 to 2\ depth of the body over the base of the pectorals rather less than the length of the head," while to 31. pur- pureus is only attributed "a depth of the body across from the anus exclusive of the dorsal fin, as 1 to 4;" "length of the head about equal to the greatest depth of body;" the first dorsal fin of 31. carbonarius is " longer than high ;" in M. purpureas, a "third longer than high." With regard to the proportions of the head and body of 31. carbonarius, there can be no question that there has been error, for a length equal to two and a quarter times that of the head would nearly extend to the middle of the first anal, proportions which the 31. carbonarius of Europe certainly does not exhibit, and which, as subsequent evidence demonstrates, the 31. carbona- rius of Storer equally fails to show. The length of the first dorsal is excep- tionally if ever a third longer than high. The other variations between 31. carbonarius and 31. purpureas are very slight, and no true specific characters are brought forward ; and, as Storer has only admitted a single species in his last work on the Fishes of Massachusetts, there can " be little question that there is no specific difference between the two." Dekay, subsequently, in his "Zoology of New York" admitted three species, the M. carbonarius and 31. purpureas, as well as a new spe- cies, which he called 31. leptoaphalus, di tinguished by having the " lower jaw shortest,' 1 and of which he further says, " the upper jaw receives the under jaw within it, although, when extended, the latter appears somewhat the longest;'' "the first dorsal pointed." His descriptions are, as usual, loose and vague, but, w th the exception of the portions quoted above, contain nothing which would decidedly be opposed to their reference to the 31. carbonarius, and if it is assumed, as from analogy would almost be justi- fied, that the 31. leptocephalus was founded on a specimen in which the lower jaw had been retracted by dislocation, they may with little hesitation be re- ferred to one species. In my Catalogue of the Fishes of the Coast, failing to exercise sufficient criticism, I have admitted the three species of Dekay and Storer's Synopsis, retaining the 31. purpureas and leptocephalus in 31erlangus, the latter being expressly said to have the lower jaw shortest, and Dekay's figure of 31. pur- pureus representing the lower jaw still shorter,* (although opposed to his de- * Have not Dekay'e figures of M. purpureus and M. leptocephalus been reversed ? [Sept. NATURAL SCIENCES OF PHILADELPHIA. 233 scription), while with Bonaparte the genus Pollachius has been accepted for M. carbonar iu's. I shall not attempt any justification of this error, as it un- doubtedly is, for I myself entertain no doubt that all of the preceding names are referrible to one and the same species. Evidently the M. leptocephalus has no affinity to the true Merlangi. In a moderately large specimen, the height is contained about 5 times in the extreme length, and 4| times to the point of the caudal peduncle ; the head 4 times in the former, and 4 times in the latter. The first dorsal is about as high or higher than long and about two-thirds shorter than the second. The rays are indicated in the following formula : D. (12) 13 | 1821 | 1921. A. (21) 2427 1 18-20. Genus BOREOGADTJS GKinther. BOREOGADUS POLARIS Gill. Gadus ffiglifinus Fab., Fauna Groenl., p. 142. Merlangus polaris Sabine, App. Parry's Voyages, p. ccxi. 1824. Gadus Fabricii Rich., F. B. A., p. 245 ; Gthr., iv. p. 336. Gadus polaris Rich., F. B. A., p. 247. Gadus agilis Reinh., Vid. Selks. Afh., vii. g. 126. Pollachius polaris Gill, Cat., p. 48. Hab. Greenland and Polar seas. Dr. Giinther has placed this species in a section of his genus Gadus named Boreogadus, and characterized by having the lower jaw longest ; teeth in the outer series of the upper jaw stronger than the others. To it were referred the Gadus fabricii of Richardson (B. polaris), G. Esmarkii Nilsson, the Mer- langus productus of Ayres, which belongs to the subfamily of Merluciinse, and has not the characters of the section ; and, lastly, the Gadus poutassou of Risso which is the type of the genus Brachymesistius. The Merlangus polaris, how- ever, is the type of a genus distinct from Pollachius and departs from that genus in its larger mouth, enlarged teeth of the outer row in the upper jaw, the extension forwards of the branchial aperture above, obsolescence of the lateral line behind and form of the pectoral fins. The single spe- cimen which I have seen has also the caudal fin unequally lobed, the upper lobe narrowed and rounded behind, the lower triangular and angu- lar ; it is possible, however, that the peculiarity may not be normal, as no mention has been made of it by others. Genus GADUS (Artedi) Bon. Morrhua Cuv. This genus, as now restricted, excludes the common Haddock and the Gadus minutus of Linnaeus, the former of which is taken as the type of the genus Melanogrammus and the latter as that of the genus Brachygadus. The American species of Gadus have been involved in considerable confusion. There are two very distinct species found along the Eastern coast northwards to Hudson's Bay. One of these is at least nearly allied to the common cod of Europe, and has been known among modern American naturalists under the name of Morrhua americana ; the second is the "torn cod " or " frost fish " of the people, and is quite distinct from any European species. In addition to these, two other species have been attributed to America, both being inhabitants of the Greenland seas ; one has been identified with the European cod, and the other has been named Gadus ojac and ovak by Richardson and Reinhardt, while by Giinther it has been considered as a variety of the common cod. Finally, Giinther, on the authority of Mitchill, identifying the Gadus mor- rhua of that author with its Linnaean homonym, while referring the same author's G. callarias to the synonymy of G. tomcodus, has stated the true G. morrhua to be found southwards to New York. 1863.] 17 234 PROCEEDINGS OF THE ACADEMY OF Having never seen any of the Greenland Gadi, I am unprepared to form an opinion of their distinction from each other or from the common cod of the more Southern American coast. I am, however, disposed to believe that Rein- hardt has been able to fiud good characters for his G. ovale, while the cod of New England, the Gulf of St. Lawrence and Hudson's Bay appears to differ slightly from that of Europe by the proportions of the fins. The specific differences betweeu three of the species herein provisionally admitted remain to be confirmed. Gadus morrhua Linn. Gadus callarias Linn. (Young.) Gadu3 callarias var. a. Fabr. Morrhua vulgaris Flem. Morrhua callarias Cuv. Gadus morchua Reinhardt. Hab. Greenland fide Reinhardt. Gadus ojac Richardson. Gadus barbatus Fabricius (nee. Linn.) Gadus ovak Reinhardt. Morrhua ojac Storer. Hab. Greenland. Gadus arenosus Mitchill. Gadus morrhua Mitchill, Am. Med. and Phil. Reg., vol. iv. 1814, p. 620. Gadus callarias Mitchill, op. cit., pp. 620, 621, b. Gadus arenosus " " '' c. Gadus rupestris " " " Morrhua aruericana Storer, Rep., p. 120. Gadus americanus Gill, Cat., p. 48. Gadus morrhua pt. Giinther, iv. p. 328. The anus is under the first rays of the second dorsal fin, and is little nearer the snout than the point of the caudal peduncle. The first anal fin is quite or nearly half as long again as the first dorsal, about as long as the second, and about a fifth or fourth longer than the second anal. The supramaxillar ceases nearly at the vertical of the front of the pupil. The posterior nostril has an elevated margin. There are numerous minute pores on the head, on each side, six above the supramaxillar bones, the first linear and very near the margin of the snout, and four or five below and behind the eye ; six or seven on each branch of the lower jaw, five along the margin of the preoperculum, five in the oculo-scapular groove, including the one above the angle of the branchial aperture, one between the anterior nostril and snout, one obliquely above the posterior nostril, and two on the nape above the second and third of the oculo-scapular groove. The caudal fin is slightly emarginated behind. The proportion of the fins to each other are as follows, the fractions indica- ting the number of hundredths of the total length ; the proportions of the same fins in Gadus morrhua, the first dorsal considered as the unit, are taken from Giinther, and copied on the second line : st. D. 2 D. 3 D. 1 A. 2 A. 112 1618 1314 1618 1113 1 1.3 1.1 1.2 10.9. The radial formula is as follows : D. 1315 | 1922 | 1922. A. 1922 | 1719. The structure of the rays, is indicated in the following formula, where the first and last numbers of each fin refer to the simple articulated rays and the others to the branched or bifurcated : D. 2. 7. 4 | 2. 12. 3 | 2. 14. 3. A. 2. 14. 3 | 2, 14. 1. [Sept, NATURAL SCIENCES OP PHILADELPHIA. 235 The rays of the specimens, whose measurements are given, are herewith indicated. N.Foundland D. 13 22 22 A. 22 20 Labrador 13 18 19 19 19 Hudson's Bay 13 17 19 19 17 The more detailed measurements of these specimens are given in the follow- ing table, and are taken from specimens of equal size, scarcely more than a foot long. The first one was obtained by the author at Newfoundland ; the second at Labrador, by Dr. Elliott Coues, and exhibits the monstrosity of two barbels, one behind the other ; the third was obtained at Hudson's Bay by Mr. Drexler, and has unusually long pectoral and ventral fins. Notwithstand- ing these deviations of the last two, on account of which they were selected, they nearly agree in most of the measurements. Extreme length (=100) 12 12} 12} Body Greatest height.. , 18 18 15? Height of tail behind second dorsal fin 12 10 9 Least height of tail 5 4V 4 Length of tail ? 12 11 Head Greatest length 26 26} 26 Greatest width 12 ll| 11} Width of interocular area 6} 6 6} Height at nape 15 15 14 Length of snout 8} 9} 9 Length of operculum 5 5 5} Length of supramaxillar 9} 10.} 11| Orbit Diameter 5} 5} 5} Dorsal (First) Distance from snout 29 30 31 Length of base 1L} 11 12 Greatest height. .. 12 13} 14} (Second) Length of base 18 16} 16 Greatest height 10 10 1L} (Third) Length of base 14 13 13 Greatest height 9 10 10} Anal (First) Distance from snout 45} 47}- 47 Length of base 18 15} 17} Height at longest ray 11} 12} 11 Caudal Length of middle rays 7 7 8 " " external rays 11 11 12 Pectoral Length 13 13} 16} Ventral Length 12 12 15} Gadus tomcodus Walbaum. Gadus tom-cod Wallbaum, Artedi, p. 133, 1792. Gadus pruinosus Mitchill, Rep. Gadus tomcodus Mitchill, Am. Med. and Phil. Reg., iv. 1814, pp. 621, 622. (6.) G. t. fuscus " " " " (c.) G. t. luteus " " " " (d.)G.t. luteo-pallidus " " " " (e.) G. t. mixtus " " " " Gadus pruinosus " " " " Gadus polymorphus " " " " Morrhua (tomcodus) Cuv., R. A. Morrhua tomcodus Storer, Rep. Morrhua prninosa Dekay. The anus is under the last rays of the first dorsal fin and is nearly midway between the snout and the axil of the anal fin. The first anal is about twice as long as the first dorsal, about a third longer than the second, and nearly or 1863.] 236 PROCEEDINGS OF THE ACADEMY OF quite twice as long as the second anal. The supramaxillary bone ceases at a vertical drawn nearly midways between the front of the eye and pupil. The pores of the head are obsolete. The caudal fin is convex behind. Hab. New York to Newfoundland. The preceding diagnosis at once distinguishes the "torn-cod" or ''frost fish " of the Americans from the common cod, and, although the distinctive characters may not have been very well indicated in the diagnoses or descrip- tions of American naturalists, there has been no confusion between them and there has never been difficulty in practically distinguishing them. Eu- ropean naturalists have been less fortunate : Dr. Kaup placing the name of the tom-cod among the synonyms of Gadus morrhua and also including under the latter the Morrhua americana, while Dr. GUnther, although well distin- guishing the Gadus tomcodus, has been unhappy in the distribution of the synonymy. The Gadus callarias of Mitchill is the same as his Gadus mor- rhua and both are identical with Morrhua americana of Storer and Dekay ; the former and latter names must therefore be withdrawn from the synonymy of G. tomcodus, to which they have been referred by Gunther, and with the G. callarias must be placed at least provisionally as the synonyms of a close analogue of the European cod. The figure of Dekay might have informed naturalists that the M. americana was not the same as the "tom-cod." A good figure of the American cod is also given by Dr. Storer in his " History of the Fishes of Massachusetts " in the "Memoirs of the American Academy," (2d ser.) vol. vi. (p. 343) pi. xxvii. fig. 4. Genus BRACHYGADUS Gill. Brachygadus Gill, Proc. Acad. Nat. Sci., Pa., 1S62. Type. Gadus minutus L. BRACEnfGADlXS MINUTUS Gill. Gadus minutus Linn. ? Morrhua minuta Storer, Reports on the Ichthyology and Herpetology of Mass., p. 127, 1839. " Morrhua minuta Del-ay, Zoology of New York, Fishes, p. 277 (fig. 141 altered from 'Yarrell), 1842. This species, or even an allied one, has not yet been permanently established as even a visitant of the North American waters. Dr. Storer, in his Report, mentions a single specimen " which was taken in Boston harbor ; it has been preserved several years in spirits in the Boston Society of Natural History," and ' its colors have undoubtedly somewhat changed." The specimen was " eight inches in length ; length of the head two inches ; depth of the body across the base of the pectorals rather less than the length of the head ;' ' " snout obtuse ;" "a cirrhus one- fourth of an inch long is suspended from the chin ;" eye half an inch in diameter, being equal to one-fourth the length of the head; "the pectorals are an inch long." D. 121917. P. 17. V. 6. A. 2217. C. 20. Such is the only notice of the existence of the Brachygadus minutus on our coast. The description is scarcely reconcilable with the European species ; and almost the only character which would indicate that it might not be the young of Gadus anericanus is the "snout obtuse," but when the " Morrhua tomcodus " is said to have the " snout blunt," it may be asked, what is meant by that term ? and if there is any difference between the two ? Dekay also inserted the "Morrhua minuta" among the fishes of New York, compiling his description from Yarrell and Storer, giving the radial formula of the latter and copying, with alterations, the figure of Yarrell. He finally stated : "This is a rare species on our coast. I only know it through the descrip- tion of Dr. Storer, although I think I saw it some years since in the market. [Sept. NATURAL SCIENCES OP PHILADELPHIA. 237 At that time, I supposed it might be the M. pruinosa, var. fusca, of Dr. Mit- chill, but I have now little doubt but that it was the species just described." Dr. Storer, in his " Synopsis," gave a diagnosis attributing a " depth one- fifth of the length ; first dorsal entirely before the first anal ;" copying the radial formula of Jenyns, Yarrell and himself, giving only ''Massachusetts " as its habitat, but admitting Dekay's notice in his synonymy. In his " History of the Fishes of Massachusetts," he takes no notice what- ever of the species, and does not quote his notice among the svnonyms of " Morrliua americana " or " M. pruinosa." Finally, in consideration of the uncertainty at least in which the existence of this species as an American fish is concerned, it must be eliminated from the Fauna of the coast until definitely established, and the name of Storer will probably be placed in the synonymy of Gadus americanus. Genus MELANOGRAMMUS Gill. Melanogrammus Gill, Proc. Ac. N. S. Phila., 1862. The genus Melanogrammus is sufficiently distinguished from Gadus by its smaller mouth, the produced first dorsal fin, black lateral line and the devel- opment of the humerus. Nilsson* and Bonapartef have expressly appropriated the Artedian name Gadus for the G. morrh.ua and its allies, most judiciously treating the Cuvieran genus Morrliua as its synonym, since, as its name indicates, the latter was intended to embrace the common cod as its type ; the G. ceglijimis at the same time was removed from the genus and referred to the genus Merlangus, which was differently limited and otherwise defined than by Cuvier. Finally, per- ceiving that it was not a true Merlangus, and agreeing with Nilsson, Kroyer and Bonaparte in its separation from Gadus, I have,in an article published in the Pro- ceedings of the Academy of Natural Sciences, for June, 1862, distinguished it under the generic name Melanogrammus, which must be, of course, retained by those who consider the genus a valid one. Melanogrammus .sglifinus Gill. Gadus seglifinus Mitchill. Morrhua seglifinus Storer. Hab. Eastern coast from New York northwards. I have been unable to compare this American fish with the European species, and before considering the identification definite, a careful comparison is neces- sary, espeeially since it has not been found in Greenland. Subfamily PHYCINjE (Sw.) Gill. Genus PHYCIS Raf. There are specimens of two very distinct species of the restricted genus Phycis in the collection of the Smithsonian Institution, and to those two I am inclined to refer all the names given by authors to the American specimens. Concerning the nomenclature of the two, there is as usual some confusion. This I shall endeavor at least in part to dissipate. Phycis chuss Gill. Blennius (chuss in New York) Schozpf, Ges. Nat. F. zu Berlin, viii. p. 143, 1788. Blennius chuss Walbaum, p. 186, 1792. Enchelyopus americanus Schn., Bl., p. 53. Gadus longipes Mitch, op., cit., iv. Phycis (americanus) Cuv., R. A. ,1817, ii. 217. * JYilsson, Prodromus Ichthyologiae Pcandmavicae, 1832, pp. 39, 41. t Bonaparte, Catalogo Metodico del Pesci Europei, 1846, p. 45. 1863.] 238 PROCEEDINGS OF THE ACADEMY OF Phycis americanus Dekay, Rep., 291, f. 159. Phycis americanus pt. Storer, Sys., 221. Phycis tinea Kaup, Arc. f. Nat., 1858, i. 89. Phycis filamentosus Storer. The height at the anus enters about 6| times in the extreme length and 6 times exclusive of the caudal fin ; the head more than 5 times in the former or 4| in the latter. The supramaxillar bones end under the posterior margin of the pupils. The snout is longer than the eye and forms a quarter of the head's length. The width of the interorbital space exceeds the vertical diame- er of the orbit. The vent is nearly under the tenth ray of the second dorsal, generally inter- mediate between the snout and about the end of the fourth or fifth of the anal fin. The elongated third dorsal ray is generally shorter than the head. The pec- toral enters about 1^ times in the head's length. The ventral is more than a half larger than the head and extends behind the vent. The scales are very distinct, in about 110 oblique rows from the scapular region to the end of the caudal peduncle, and in nine rows between the first dorsal and the lateral line. D. 9 | 57. A. 50. The color of the body and fins is yellowish-brown, thickly punctulated with darker. The anal has its rays tipped with white, by which a whitish linear margin is produced. The roof of the mouth and most of the tongue is dark purple. The first notice of this species appears to have been given in Schcepf's Descrip- tions of some North American Fishes, published in 1788. He there describes a fish under the generic name of Blennius, which, according to him, was call- ed " chuss " at New York. The color was reddish-brown on the head and back, white beneath ; in a specimen eighteen inches, the shorter branch of the ventral ray was 2^, and the other 5 inches long ; the first dorsal had nine rays, of which the first (truly third) was filiform and four inches long ; the second dorsal had 60 rays, and the anal 53 ; the scales were deciduous. This decription was paraphrased from the German, except in the important notice of the proportions of the ventral fins, by Walbaum in his edition of Artedi, and he was the first to confer a specific name Blennius chuss on it. Mitchill, in 1814, under the name of Gadus longpipes, gave a recognizable description of it based on a specimen having the " length about twenty inch- es ; depth three and a half: the first (third) ray of the first dorsal almost six inches long. ' Allusion was made to the "sides of the tongue and inside of the throat smutty or dotted with black." " The ventral fins (were) six inches long, bifid, tapering and reddish." Storer, in his, " Report on the Fishes of Massachusetts," has confounded this species with another, for which he has retained the name of P. americanus. In his " Synopsis of the Fishes of North America, " he has repeated his error, citing the description and figure given by Dekay of the present ; but his de- scription in the latter work was so vague that I, was not aware of it till the publication of his History. Finally, in his "History of the Fishes of Massachusetts," Storer has de- scribed and figured the present species under the new name of Phycis filmen- tosus, while the P. americanus proves to be quite different from that on which the latter name was originally conferred. Phycis tenuis Dekay. i*hyeis furcatus Storer, Boston Journ. N. H., i. 418 (excl. syn.) Phycis americanus Storer, Rep., p. 138 (excl. syn.) Doubtful synonymy. (radus tenuis Mitch. Phycis tenuis Storer, Syn., 222. Phycis Dekayi Kaup, Archiv. f. Nat., 1858, i. p. 89. [Sept, D. 10 9 10 NATURAL SCIENCES OF PHILADELPHIA 239 The height at the anus enters nearly six times in the extreme length, and five times to the rudimentary caudal rays ; the head ahout 4h 4| in the for- mer, and 4 4J without the caudal. The supramaxillar bones end under the posterior margin of orbit. The snout is longer -than the eye, and forms a fourth of the "head's length. The width of the interorbital space equals the vertical diameter of the eye. The snout is narrower and more pointed than in P. chuss. The anus is under the ninth to the eleventh rays of the second dorsal fin, and is nearly intermediate between the snout and constricted portion of caudal peduncle. The elongated third dorsal spine about equals the dis- tance from the snout to the upper angle of preoperculum. The pectoral enters about If times in the head's length. The ventral little exceeds the head, and rarely extends to the vent. The scales are small ; there are 135 to 140 oblique rows extending from the scapular region to the end of the caudal peduncle ; there are twelve rows be- tween the origin of the firit dorsal and the lateral line, and ten between its end and the line. 54 A. 46. 57 A. 47. _ 58 A. 50. The color is brownish, lighter and suffused with yellowish below the lateral line, and with the belly almost yellow. The fins are very dark. The interior of the mouth is simply sparingly punctulated with blackish. The name of Phycis tenuis is connected with this species, as the latter agrees with its description in having "brown back and sides," the fins "dark brown, save the ventral, " the rays approximately. "D. 11. 54. A. 44.." But it is necessary to recall that the Gadus tenuis is said to have the "throat in- ternally streaked with red and purple. Vent nearer the head." The latter, how- ever, as will be seen from other descriptions by Mitchill, has been used at ran- dom, and, with the not unusual vagueness of Dr. Mitchill, in an absolute and not relative sense ; as to the other character, I have not noticed it in any speci- men of P. chuss, and it is quite possible that the dark purple dots of the present species may assume a " streaked " arrangement on the reddish ground of the throat. The color and radial formula militate against the idea of its identity with the Gadus longpipes (= Phycis chuss), immediately afterwads de. scribed by Mitchill, and we may also take into consideration, but without assigning to it undue value, the improbability of the description under two names at the same time of so characteristic a species as the P. chuss. For the present, therefore, I venture to present the species in question under the name of Mitchill. It is true that the identification is not positive, but not less uncertainty would prevail in connection with the name of P. Dekayi hereafter noticed. In the "Report on^the Fishes of Massachusetts," Dr. Storer has given a description of the species under the name of Phycis americanus ; in his Synop- sis, a vague notice under the same name, nearly applicable to each, but with the synonymy of the true P. americanus ; and, finally, in his " History of the Fishes of Massachusetts," he has again described and well figured the same species under the same name, giving a new one to the true P. americanus which had been then recently discovered on that coast. In the " Archiv fiir Naturgeschichte " for 1858, Dr. Kaup has briefly noticed a species from North America, similar to the " P. tinea " (P. chuss), but with a longer snout, higher body, and considerably smaller scales, D. 10. 54. A. 47 ; this portion of the description, so far as it goes, is applicable to the present spe- cies, and was, doubtless, based on representatives of it. He places the species, however, in a section distinguished by having the ventral fins, nearly or quite twice as long as the head, and, if this statement is literally applied, Kaup's 1863.] 240 PROCEEDINGS OF THE ACADEMY OP species can scarcely be the same as the one in question, but it is probable that we should take his diagnosis with some latitude. A reference to the species recently described by Dr. Giinther from two specimens in the British Museum, under the name Phycis rostratus, may be here appropriate. The habitat of the species is unknown; it was suggested that the specimens ought, perhaps, to be referred to P. americanus, (= P. chuss), " but that species appears to have considerably longer ventral fins." "P. Dekayi, briefly noticed by Kaup, is stated to have the body more elevated than P. americanus ; and the ventrals, nearly or quite twice as long as the head."* The lateral line of P. rostratus, has about 150 scales, and there are "ten series of scales between the anterior dorsal and the lateral line ;" "the ven- tral extends the origin of the anal," but yet is " not much longer than the head." The specimens are eight inches long, or about the same size as those of P. tenuis, here described. From this notice, P. rostratus appears to differ from either of the two here enumerated. It remains, however, to ascertain whether it is an American fish, and then whether it is not MitchilPs Gadus tenuis. Genus UROPHYCIS Gill. Urophycis REGIUS Gill. Blennius Schcepf, Ges. N. F., viii. pt. 2, p. 142. Biennius regius Walbaum, Art., p. 186, 1792. Enchelyopus regalis BL Schn., p. 53, 1891. Gadus blennoides Mitch., Med. and P. Reg., iv . p. 1814. Gadus punctatus Mitch., op. cit., iv. Phycis punctatus Delay, N. Y. F., p. 292, pi. 46, f. 149, 1842. Phycis regalis Kaup, Arch. f. Nat., 1858, i. p. 89. Hab. New York. Subfamily LOTINuE Gill. Genus MOLVA (Flem.) Nilsson. Molva vulgaris Fleming. Gadus molva Fabr., Faun. Groenl., p. 148. Lota moPa Storer, Syn. Hab. Greenland. Greenland representatives of this genus have been identified by European naturalists with their Molva vulgaris. I am not acquainted with the Amer- 299 ' 300 ' 1839 ' Gadus Gill, Proc. Academy of Natural Sciences of Phila., 1S62. Gadus Giinther, Catalogue of the Fishes in the British Museum, vol. iv. pp. 326, 327, 1862. Morrhua Putnam, Bulletin of the Museum of Comparative Zoology of Cam- bridge, 1863. Body elongated, subfusiform in profile, but highest under the first dorsal fin, tapering into the moderately slender caudal peduncle, which is com- pressed ; back compressed and oblique, and abdomen prominent and rather tumid beneath the first dorsal. Scales minute and regularly imbricated. Lateral line slightly convex from the scapular region to the middle of the body, and thence rectilinear, in a groove covered by a membranous linear band. Head scaly, oblong conical in profile, above gradually narrowed towards the front, transversely arched at the nape, nearly flat at the forehead, and with the snout protuberant and longer than the eye. Eyes moderate, mostly or entirely in the anterior half of the head. Opercula almost concealed by the skin ; operculum acute at the angle. Nostrils in front of eye ; the an- terior with a posterior flap ; the posterior patulous or subtubular. Mouth with the cleft moderately oblique and rather deep ; the supramax- illars extending at least under the anterior half of the eyes, their ends pro- duced downwards and truncated behind ; intermaxillars ceasing far in front of the ends of the supramaxillars. Lower jaw received within the upper, broadly rounded in front. Lower jaw with a moderate barbel persistent on the bone. Teeth pauciserial in each jaw ; those of the outer row in the upper, and of the inner in the lower, enlarged. Branchiostegal rays seven. Dorsal fins three, separated by decided interspaces, invested in a naked skin ; the first shortest, more or less behind the vertical of the pectoral fins, rounded or angular in front, and rapidly declining in a more or less convex line decurved backwards ; second oblong and longest. Anal fins two, opposed to the second and third dorsals and nearly equal in size and form. Caudal fin moderate, subtruncated, concave or convex, with numerous supplementary rays above and below. Pectoral fins moderate, obliquely rounded behind. Ventral fins inferior, moderately approximated, inserted moderately in ad- vance of the pectorals, narrow and provided with seven rays, the second of which is more or less prolonged. D. 1214 | 1621 | 1722. A. 1826 | 1724. Artedi, in his " Genera Piscium," establishing this genus in the manner of the moderns, gave the following diagnosis : " Membrana branchiostega utrinque septem ossicula subteretia continet. " Dorsum jam tripterygium, jam dipterygium. " Caput plerumque cathetoplateum, interdum plagioplateum." To the genus were referred the following species : 1. Merlangus vulgaris Flem. 1863.] 18 250 PROCEEDINGS OF THE ACADEMY OP 2. Pollachius carbonarius Bon. 3. " typus Bon. 4. Gadus morrhua L. 5. Melanogrammus seglifmus Gill. 6. Brachygadus luscus Gill. 7. " minutus Gill. 8. Merlucius vulgaris Flem. 9. Molva vulgaris Flem. 10. Lota vulgaris Cuv. 11. Onos mustela Gill. Klein, in his fifth and last "Missus," (1749,) substituted the name Calla- rias, and restricted the genus to species with three dorsal fins, the head tro- 'hiform, the tail coniform and girdled by the caudal. The species were distributed among two sections. Callakias, barbatus, cirro unico, pendulo e men to. 1. Gadus morrhua L. 2. Melanogrammus seglifinus Gill. 3. Brachygadus luscus Gill. 4.*Gadus morrhua L. 5 * " it 6.* " i < 7.* " (< 8." " " ? 9. " " ? 10. Brachyg adus minutus Gill Callakias, imberbis. 1. Pollachius typus Bon. 2. " carbonarius Bon. 3.*Merlangus vulgaris Cuv. 4. Trachurops macarellus Gill ex C. et V.f This genus is surprisingly natural and well defined, compared with most of Klein's genera, and is co-equal with Giinther's Gadus or Cuvier's Morrhua and Merlangus combined. The name cannot, however, be retained, as it is a synonym of Gadus. Cuvier accepted the name Gadus in nearly its Artedian sense, distributed the species among smaller groups, called by him subgenera, and did not ap- ply the name itself to one of them, but conferring an independent one on each called one of his subgenera Morrhua, characterizing it by the three dorsals, two anals and a barbel at the chin. To it were referred the species of Gadus, Brachygadus and Melanogrammus. Nilsson, in his " Prodromus Ichthyologiae Scandinavicse, " (1832,) modified the subgenus Morrhua, including under it only Gadus and Brachygadus, while Melanogrammus formed part of his Merlangus. He gave the following diagnosis : " Corpus forma elegantiore ; pinnis dorsi tribus ; ani duabus & cirro men- tali ; rostro extra maxillas procedente ; corpore maculis variegato ; cauda subsequali." Bonaparte has adopted Nilsson's arrangement. Swainson, in 1839, proposed for the Cuvieran Morrhua? three genera, Gadus, really equivalent to Morrhua ; Cephus for the Gadus macrocephalus of Tilesius and Tilesia for the Gadus gracilis of the same author. These genera are due to mistaken ideas, and the distinctions signalized do not exist. The reviewer has lately limited the genus as here adopted. Finally, Mr. Putnam, some time afterwards, being apparently unacquainted with the different applications of the name by Nilsson, Bonaparte and the [Sept. NATURAL SCIENCES OP PHILADELPHIA. 251 reviewer, restricted the name Gadas to the genus named Melanogrammus and retained Cuvier's Morrhua for the present genus. The genus Gadus as here denned does not embrace a number of species re- ferred to it by previous authors, for from it, by the terms of the description, are excluded the Gadus aegliftnus of Linnaeus, or the common baddock, which now is the type of the genus Melanogrammus ; the Gadus minutus and G. luscus of Linnaeus belonging to Brackygadus. The species, or at least the nominal specie3, of authors which appear to be really congeneric and members of the same genus Gadus are the follow- ing. Those whose claims to specific rank are most doubtful and require to be confirmed, are indicated by an asterisk placed after their respective names. 1. Anus under the anterior portion of the second dorsal fin. Gadus morrhua Linn. Northern European and Polar Seas. Gadus arenosus Mitchill.* Coast of Middle and Eastern United States northwards to Hudson's Bay. Gadus ojac Richardson.* Greenland. Gadus navaga Koelrenter. Coasts of Northern Russia. Gadus gracilis Tilesius. (*) Kamtschatka. Gadus macrocephalus Tilesius. Kamtschatka. * 11. Anus under the hinder portion of first dorsal. Gadus tojicodus Walbaum. Middle and Eastern States northwards to Newfoundland. Gadus proximus Girard. California and Oregon. It is very doubtful, from the slight description, whether the Gadus pyg- mozus of Pallas belongs to this genus : it is said to have five (?) branchi- ostegal rays, the lateral line obsolescent behind, and the following number of fin rays: D. 16 | 16 | 19. A. 18 | 15. C. 28, very much crowded. P. 17. V. 6. The specimen described, about seven inches long, was obtained by Dr. Merk at Cape Elias in Russian America. It is asked by Pallas whether it may not be the Gadus minutus of Linnaeus ? Such cannot be the case. Gadus gracilis Tilesius. Synonymy. Gadus wachna Pallas, Zoographia Rosso-Asiatica, vol. iii. p. 182, 1831. Gadus gracilis Tilesius, in Zoographia Rosso-Asiatica, vol. iii. p. 182, 1831. " " " Memoires de l'Academie Imperiale des Sciences de St, Petersbourg, tome ii. p. 354, tab. 18. (1808) 1810. Tilesia gracilis Swainson, Natural History of Fishes, Amphibians and Reptiles, vol. ii. p. 300, 1839. Hab. Kamtschatka and Kurile Islands (and Oregon ?) (*) The position of the anus in this species is doubtful, but it probably belongs to this section. 1863.] 252 PROCEEDINGS OP THE ACADEMY OP Gadus proximus Girard. Synonymy. Gadus proximus Girard, Proc. Academy of Natural Sciences of Phila., vol. vii. p. 141, 1854. Gadus proximus Girard, op. cit., vol. vii. p. 151. Morrhua californica Ayres, Proc. California Academy of Natural Sciences, vol. i. p. 9, 1854. Morrhua proxima Girard, Explorations and Surveys for a Railroad Route, &c, vol. vi. Abbot's Report, Zoology, p. 22. Moarhua proxima Girard, op. cit., vol. x. Fishes, p. 142, pi. xl.a, figs. 5 8. Morrhua proxima Girard, op. cit., vol. x. Whipple's Report, Zoology, p. 50. " " " op. cit., vol. x. Williamson's Report, Zoology, p. 86. Gadus proximus Gill, Proc. Academy of Natural Sciences of Phila., 1862. " californicus Gunther, Catalogue of the Fishes in the British Museum, vol. iv. p. 332. Hah. California and Oregon. Family BROTULOIDJE Blkr. Synonymy. Brotuloidei Bleeher, Enumeratio specierum Piscium hucusque in Archipelago Indico Observatorum, &c, p. xxv. 1859. Ophidiidse (Brotulina) Gunther, Catalogue of the Fishes in the British Museum, vol. v. pp. 370, 371, 1862. Gadidse pt. auct. Elongated fishes, compressed and regularly tapering behind, with tail generally more or less subtruncated, with the anus subm^ian ; scales either absent or cycloid and minute, imbedded in a lax skin, which more or less envelopes the fins ; very large branchial apertures ; vertical fins united, or contiguous, the dorsal commencing not far from the nape, the caudal narrow or pointed, the ventral fins replaced by simple or bifid filaments attached to the humeral arch and more or less in advance of the pectoral. Pyloric caeca few (1 or 2), rarely obsolete or in increased number (12). The supramaxillars are generally enlarged behind and produced towards their upper angle. The genera referred to the group Brotulina by Gunther may be provisionally retained in this family and distributed in the following manner. The sub- families, perhaps, do not follow in natural order. I. Ventral fins inserted considerably in advance of the pec- toral fins. I. Body scaly, moderately long. A. Pyloric cseca none, one or two. t. Lateral line continuous. 1. Snout and lower jaw with barbels. Caeca 1 or 2. Brotclinje. * Ventral filaments bifid Brotula. ** Ventral filaments entire Nematobrotula.* 2. Head without barbels. Caeca 2 Brosmophtcin.s. * Head naked Brosmophycis. ** Head scaly Dinematichthys. 3. Head without barbels. Caeca none Lucifugje. * Palatine bones without teeth Lucifuga. ** Palatine bones with teeth Stygicola.t /?. Lateral line interrupted or double Bythitinje. * Type. Brotula ensiformis Gunther. f Lucifuga dtntatus Poey. [Sept. NATURAL SCIENCES OF PHILADELPHIA. 253 * Lateral line interrupted. Vomerine and palatine teeth Bythites. ** Lateral line double behind. Vomerine teeth... Pteridium. AA. Pyloric caeca in moderate number (about 12). Ven- tral fins inserted under or nearly under eyes Sirembin^. * Preoperculum unarmed Sirembo. ** Preoperculum with three spines Hoplobrotula.* ?I6. Body naked, very long and compressed. Vertical fins confluent Xiphasiinje. Xiphasia. ?II. Ventral fins under the pectoral." Vertical fins confluent, (Kaup) BROTtTLOPHis^;. Brotulophis. BROSMOPHYCINjE Gill. Synonymy. Brosmophyeinse Gill, Proc. Academy of Natural Sciences of Phila., 1862. Brotuloids with a moderately elongated, scaly body, a more or less distinct caudal fin, two closely-approximated ventral filaments, a continuous lateral line, no barbels and (typically) two pyloric caeca. The typical genera are Brosmophycis, represented in the Californian waters, and Dinematichthys of Bleeker, whose single species is found in the seas of the East Indian Archipelago. The Lucifugae are, however, very closely related to those genera, and the difference in the posterior parts is rather one of degree than kind : they perhaps form a group of the subfamily. Genus BROSMOPHYCIS Gill.f Synonymy. Brosmophycis Gill, Proc. Academy of Natural Sciences of Phil., 1861, p. 168. Halias Ayres, Proc. Californian Academy of Natural Sciences, vol. ii. p. 52, 1861. Brosmius sp. Ayres, 1854. Dinematichthys sp. Giinther, 1862. Body moderately elongated, thick and with the abdomen more or less di- lated, in front of the anus and behind compressed, and uniformly tapering to its truncated end. Anus rather behind the middle, with a scarcely raised margin and unarmed ; second aperture behind and also little raised. Scales minute, scarcely imbricated and imbedded in the skin, which is lax, and invests the dorsal and anal fins. Lateral line inconspicuous, slightly convex above the abdomen and rec- tilinear behind. Head naked, moderate, oblong conical in profile, moderately compressed and above nearly uniformly wide, with the snout longer than the eye, blunt and subtruncated, with deep pits in and near the margin of the skin above the maxillars. Eyes moderate, covered by the skin, situated nearly in the middle of the anterior half of the head. Nostrils nearly equidistant from the snout and eyes. Opercula covered by the skin ; the operculum with a spine at its angle, terminating a bar on its inner surface, near the upper mar- gin. Chin with two deep pits, one on each side. * Type. Brotula armaia T. Schlegel. f A second species of this genus was discovered at Cape Ft. Lucas by Mr. Xantus. Its height is scarcely less than a sixth of the length. The head enters 4% times in the total; the jaw equals half of the head's length ; the snout equals nearly a fifth of the same. The dorsal fin commences with the second fourth of the length; the anal commences a third nearer the snout than the oppo- site end: the pectoral equals about half the length of the head; and the ventral filament is only about a fifth shorter than the head. The color is reddish-brown. The species may be named B. ventralis. 1863.] 254 PROCEEDINGS OF THE ACADEMY OF Branchiostegal rays six. Mouth with its cleft scarcely oblique, quite deep, the supramaxillars ex- tending behind the eyes, expanded towards their ends, especially at the upper angle. Teeth small, stout and rather blunt, in a band on each jaw, inter- rupted at the symphysis and narrowed on the sides behind. Vomer and front of palatines with similar teeth. Dorsal fin rather low, and nearly even, with its origin behind the vertical of the peetorals, and almost connected to the base of the caudal behind. Anal fin much shorter, but similar in form to the dorsal, and partly con- nected behind to the caudal. Pectoral fins moderate, obliquely and convex nearer the lower rays, in an adipose skin. Ventral filaments inserted under the preoperculum, compressed, closely annular, but not articulated like the rays of Phycis, &c. The branchial arches have transverse scabrous ridges on each side of their concave surfaces, except the middle portion of the first below the bend, where the ridges of the outer side are replaced on the margin by about three pro- duced, scabrous, subcylindrical processes. The cleft behind the fourth arch is moderate. There are no pseudo-branchise. The stomach is large and sacciform, and, at the pyloric extremity, there are two short cseca, one on each side. This genus is most nearly allied to Dinematichthys of Bleeker, but distin- guished by the scaleless head, dentition and the absence of claspers to the anal papilla, &c. Brosmophycis marginatus Gill. - Synonymy. Brosmius marginatus Ayres, Proc. California Academy of Natural Sciences, vol. i. p. 13, 1854. Brosmius marginatus Girard, Explorations and Surveys for a Railroad Route, &c, vol. x. Fishes, p. 141. Brosmophycis marginatus Gill, Proc. Academy of Natural Sciences of Phila.; vol. xiii. p. 168, 1861. Halias marginatus Ayres, Proc. California Academy of Natural Sciences, part 2, p. 52, 1861. Brosmophycis marginatus Gill, Proc. Academy of Natural Sciences of Phila., 1862, p. 280. Dinematichthys marginatus Giinther, Catalogue of the Fishes in the British Museum, vol. iv. p. 375. Hab. California. Synopsis of the Family of LYC0D0ID.E. BY THEODORE GILL. In the present article, it is desired to draw the attention of American marine zoologists to the species of this family, to call forth the search for any species of two of the genera hitherto only known from Greenland, or high northern seas ; and also to embody the views regarding the affinities of the several genera, which have been widely scattered in the different ichthyological systems, and yet which appear to be connected by the closest ties. Only the different species of Enchelyopus and Gymnelis are known to the author ; acquaintance with Lycodes being confined to the descriptions and ex- cellent figures of Reinhardt, Kroyer and Richardson. Family LYCODOID^E (Giinther). Synonymy. Zoarchidse Swainson, Natural History and Classification of Fishes, Amphibians and Reptiles, vol. ii. pp. 184, 283, 1839. [Sept. NATURAL SCIENCES OF PHILADELPHIA. 255 Lycodidse Gilnther, Catalogue of the Fishes in the British Museum, vol. iv. pp. 317, 319, 1862. Gadida? and Ophidini pt. Reinhardt. Blennioidei and Ophidoidei pt. Bleeher. Blennioidse pt. Gill, Kroyer. Lycodidse and Blenniidse Gilnther. Teleocephali with an elongated subanguilliform body, with the soft-rayed dorsal and anal fins confluent with the pointed caudal, invested like the body in a loose skin ; the anus submedian or anterior, and with a raised margin ; branchial apertures more or less restricted to the sides ; minute jugular or obsolete ventral fins, and typically two rudimentary pyloric cseca. This diagnosis is believed to embody the peculiar external characters which mark the group as a family, and all the types here included in it are evident- ly closely related. Reinhardt, who first made known two of the genera, Ly- codes and Gymnelis, widely scattered them, referring the former to the Grobiidae next to " Zoarceeus,''' 1 between which and Anarrhicas it was said to be intermediate, while Gymnelis was placed in the family Ophidiini. Rich- ardson, with his usual cautiousness in differing from others, followed Rein- hardt, but expressed his opinion concerning the close affinity between Lycodes and Gymnelis. Kroyer approximated the three genera, referring them to the Blenniidse next to Clinns. Swainson, in 1839, proposed a family " Zoarchidre " for fishes of the first order Acanthopteryges, having the body "anguilliform ; dorsal, caudal and anal fins united ; the rays soft." To the family so vaguely defined were referred the genera Zoarccs and Anarrhicas. Zoarces has essentially the characters mentioned ; but, as Anarhicas cannot be truly said to be either " anguilliform," or have the "dorsal, caudal and anal fins united," or "the rays soft," if by the latter term is meant articulated or branched, it is not quite evident why the genus should have been placed in the family. Giinther has referred Zoarces to the Blenniidse, although it has neither the spinous portion as much developed as the soft, or the whole fin composed of spines, nor is it destitute of pyloric appendages,* as required by his diagnosis of the family. On the other hand, the same gentleman has proposed a family Lycodidse for Lycodes (including Lycodes, Phycocates and Ilyocoztes), Gym- nelis and a new genus founded on a poor description of a species, called Ophi- drum P arrii by Ross. The family thus composed is said to bear " a strong resemblance to some of the Blennoid fishes, yet several of them show pyloric appendages ; they have neither spines in the fins, nor a prominent anal pa- pilla." In all such differential characters, Zoarcesj agrees with the trut- Lycodidse. But, while Zoarces is approximated to Lycodes and Gymnelis, it appears to be somewhat doubtful whether Ily0ca2t.es and Phycoccetes of Jenyns. as well as Giinther's Uronectes, belong to the same family with them, not- withstanding the reference of the first two genera to the genus Lycodes itself. The reviewer has heretofore suggested that " Zoarces and Lycodes form a peculiar family,":): but had previously, in the " Catalogue of the Fishes of the Eastern Coast," followed Reinhardt and Richardson in retaining them in the family of Blennioids. Gymnelis, which should have been approximated to them, was inadvertently omitted. The following synopsis shows the distinctive characters of the several group? and genera : * Gunther, it is true, also refuses pyloric appendages in the diagnosis of Zoarces itself; but on examination of the European as well as American species, I find two developed, as in Lycodes and Gymnelis, in which he admits their presence. t Tae posterior short spines or atrophied rays of the dorsal fin are not truly analogous to the spines of the dorsal fin, as is evident from their position. % Gill, Proc. Academy of Natural Sciences of Phila., 1802, p. 501. 1863.] 256 PROCEEDINGS OF THE ACADEMY OP I. Ventral fins present in a rudimentary condition ; pectoral with the axilla much nearer the back than the breast. a. Dorsal fin interrupted behind, and with its rays replaced by short spines Zoakceinje. Zoarces. ($. Dorsal fin continuous Lycodin-2E. Lycodes. II. Ventral fins obsolete ; pectoral with its axil nearer the breast than the back Gymnelinjb Gymnelis. Subfamily ZOARCEINZE Gill. Synonymy. Zoarceinse Gill, Catalogue of the Fishes of the Eastern Coast of North America, &c, p. 45, 1860. Anarrhicinae pt. Bon. Anarrhicbadinse pt. Bon. Anarrhichfeformes pt. Blkr. Genus ENCHELYOPUS Gronovius. Synonymy. Enchelyopus Klein, Historic Piscium Naturalis promovendse Missus quartus, p. 51, 1744. Enchelyopus Gronovius, Zoophylacise Gronoviani fasciculus primus, p. 77, 1763. Les Zoarcus Cuvier, Regne Animal, ed. 2, tome ii. p. 240, 1829. Zoarcus McMurtrie, The Animal Kingdom of Cuvier, vol. ii. p. 176, 1831. Zoarcseus Epstrom. Zoarceus Bernhardt, Wiegmann's Archiv. fur Naturgeschichte, 1837, b. i. p. 235. Zoarchus Swainson, Natural History of Fishes, Amphibians and Reptiles, vol. ii. p. 283, 1839. Blennius sp. Linn, et Linnseani. Body elongated, subcylindrical anteriorly, compressed towards the tail, into which it gradually tapers. Anus in the second third of the length, with a moderately elevated periphery. Scales minute, imbedded in the skin. Head oblong, moderate and decurved in front to the snout. Eyes mode- rate, entirely in the anterior half of the head. Nostrils simple. Mouth with the cleft little oblique and more or less deep ; the supraniaxil- lars extending mostly under or behind the eyes. Jaws nearly even. Teeth subcylindrical and conic, pauciserial on the jaws. Palate smooth. Branchial apertures rather large, oblique and extending forwards and downwards ; separated by an isthmus little wider than the distance between the ventrals. Branchiostegal rays six. Dorsal fin commencing nearly above the pectoral fins, interrupted near its end for a short interval, where the rays are atrophied and replaced by very short, pungent spines ; the short portion behind, as well as the anal, confluent with the caudal. Pectoral fins moderate, inserted moderately high on the humeral arch, rounded behind. Ventral fins moderately approximated, in advance of the pectorals, provided with three or four branched rays. The type of this genus was placed among the Bfennii by Artedi and Lin- naeus, and the naturalists of the true Linnsean school, as late as the early [Sept. NATURAL SCIENCES OP PHILADELPHIA. 257 years of the present century, although it was considered as the type of a pe- culiar genus by Gronovius as early as the year 1763. That erudite and sagacious ichthyologist accepted for it a name given by Klein to a heterogenous group, of which the species in question was one. It is therefore expedient to examine the group of Klein, more especially 'as his name has been employed for widely distinct genera. It was in his fourth "Missus," and in the year 1744, that Klein intro- duced into the literature of the science the name Enchelyopus. He bestowed this name (s^xst/a^v) on fishes which he supposed to be analagous to, or "collateral" with, the true eels, but distinguished by their open or ample branchial apertures. To them were likewise attributed oblong, smooth oper- cula, of the consistency of more or less tough parchment, and readily com- pressible, and more or less elongated and cylindrical bodies. The species were distributed among two divisions, those with an elongated dorsal, and those with a short one. The character of the genus Enchelyopus may be best learned by a knowledge of its contents. Those indicated iy an asterisk (*) after the number of the species, are figured in Klein's work. I. Enchelyopfjs pinna dorsali longa. l.*Lepturus argenteus Gill ex Shaw. 2. Lepturus haumela Gill ex Forsk. 3. Lepturus. 4. Ophidion barbatum L. 5. Ammodytes tobianus L- 6.*Hyperoplus lanceolatus Gill ex Les. 7. Trachypterus iris C. et V. 8. Trachypterus taenia. 9. Trachypterus taenia BL, Schn. 10. Cepola rubescens L. ll.*Enchelyopus viviparus Gronov. 12.*Lota vulgaris Cuv. 13. " " 14. Molva vulgaris Flem. 15. Mastacembelus. 16. Rhynchobdella aculeata Gthr. ex Block. 17. Geinpylus serpens Cuv. II. Enchelyopus pinna dorsali brevi. 1. Misgurnus fossilis Lac. 2.* " * " 3.*Nemachilus barbatula Blkr. 4. Cobitis taenia L. 5.*Gobio fiuviatilis Aq. It is not necessary to remind the ichthyologist who analyzes this genus of Klein, that it would be almost impossible to combine together as many spe- cies which should offer more numerous points of difference than the fishes thus associated. Representatives of eleven families,* most of which have little affinity to each, are thrown together in one heterogenous mass ; nor is the group confined even within the limits of the vague diagnosis, for, although none of its members have the branchial aperture as restricted as the eels, still there is quite a wide difference in their extent between some of the species, such as the Cobitoidae contrasted with the Lepturoids. Although it may not be allowable to criticize the fathers of science as if they had enjoyed the bene- fits of that knowledge which is the slow result of a century of labor, it will * Lepturoidae (1, 2, 3.) Ophidioida; (4.) Arurnodytoidse (5, 6.) Trachypteroidie (7,8,9.) Ccjioloidse (10.) Lycodoidse (11.) Gadoidas (12, 13, 14.) Mastacerubeloidao (15, 16.) Scombroids (17\ Cobitoida? I II. 1, 2, 3, 4). Cyprinoidffi (5). 1863.] 258 PROCEEDINGS OF THE ACADEMY OF not be denied that Cuvier and Valenciennes were right in utterly denying to Klein the genius of a naturalist. Happy had it been for Icthyology more happy still for Conchology, had he never lived ! The name of Klein was revived in 1763 by Gronovius, and by him applied to a restricted group, composed of the twelfth species of Klein, and one which was for the first time made known. He restricted the genus with much pre- cision, but did not include the posterior depression of the dorsal fin among the generic characters, mentioning that peculiarity of his first species as one of the specific distinctions. His second and only other species had an entire dorsal fin, the branchial apertures very ample, the ventral fins two-rayed, teeth equal, acute, remote, biserial at the front of the lower jaw, elsewhere uniserial (" solitarii"), D. 80. A. 60. P. 16. V.2; it was said to inhabit the American sea. This is probably a Brotuloid related to Brotula, and has not been re-discovered. As Klein specified no type for his genus Enchelyopus, and as his diagnosis agrees as well with Zoarces as any other type noticed or figured, and, finally, as he did not, more than the other zoologists of his time, regard the first spe- cies enumerated under his genera as types, Gronovius was justified in retain- ing Enchelyopus for the genus in question, since its first species was included by Klein in his own. The name of Klein and Gronovius must therefore, I think, be retained in place of Zoarces. Klein's name was afterwards used by Schneider or Bloch and others, for different dismemberments of his genus ; but, as all had been anticipated by Gronovius in its application, it cannot affect the question ; and the objection made by Valenciennes to its employment for the genus called by him, after Cuvier, Zoarces, is therefore illogical. Cuvier, in the second edition of his Regne Animal, first established with exactness and characterized by the depression of the dorsal fin, the genus in question, and gave to it in its French form, (Les Zoarces,) the name which it has since, with more or less modification, borue. But, as the genus had al- ready received a name, that of the great naturalist cannot be retained. The choice assortment of modifications of the word Zoarces is doubtless due to the detestable plan adopted by Cuvier, in common with the other French zoologists of former years and still continued by a few, of giving only the French form of the name, instead of that belonging to the language of science. Naturalists will be precluded from adopting many genera first indicated by Cuvier on account of the preference thus evinced for giving them in the vernacular, for it is not the business of the savant to translate the popular, or even the pseudo-popular name which the author of any country chooses to employ, into its scientific equivalent. In the present case, however, the true form of the name happens to be the same as the French, as its etymology, (jj*pn;,) indicates, and is preferable to those terminating in -us. The genus Enchelyopus, as here adopted, has the same limits as the Cuvier- an Zoarces, but it is probable that two distinct genera are confounded under it, the American species being distinguished from the European by the larger head, much larger mouth, greater extent of the spinous portion of the dorsal fin, and the much larger number of caudal vertebrse. The name Macrozoarces, here used in a subgeneric sense, will doubtless have to be elevated to a gene- ric one, and the American species named M. labrosus. Subgenus MACROZOARCES Gill. ^Enchelyopus anguillaris Gill. Synonymy. Blennius anguillaris Peck, Memoirs of the American Academy of Arts and Sciences, vol. ii, pt. 2, p. 48, fig. 3. Blennius labrosus Mitchell, Transactions of the Literary and Philosophical Society of New York, vol. i. p. 375, pi. 1, fig. 7. [Sept. NATURAL SCIENCES OP PHILADELPHIA. 259 Blennius ciliatus Mitchell, op. cit., p. 374, pi. 1, fig. 6. Zoarces labrosus Cuvier, Regne Animal, t. ii. Zoarces labrosus Cuv. et VaL, Histoire Naturelle des Poissons, t. xi. p. 466, pi. 342. Zoarces fimbriatus Cuv. et VaL, op. cit., t. xi. p. 468. Zoarces anguillaris Storer, Report on the Fishes of Massachusetts, p. 66, 1839. Zoarces anguillaris Delay, Natural History of New York ; Fishes, p. 155, pi. 16, fig. 45. Zoarces fimbriatus Dekay, op. cit., p. 156, pi. 16, fig. 44. Zoarces anguillaris Storer, Synopsis of the Fishes of North America, p. 123 ; ib. in Memoirs of the American Academy of Arts and Sciences, vol. ii. p. 375, 1846. Zoarces fimbriatus Storer, op. cit., p. 123. Zoarces labrosus Cuv., Regne Animal, (ed. ill,) Poissons, pi. 79, fig. 1. Zoarces anguillaris Storer, Memoirs of the American Academy of Arts and Sciences, vol. ii. Zoarces anguillaris Gill, Catalogue of the Fishes of North America, p. 45, 1860. Zoarces ciliatus Gill, op. cit. Zoarces anguillaris Gunther, Catalogue of the Fishes in the British Museum, vol. iv. p. 296. Hah. New York and New England coast. The ''Zoarces anguillaris,'" when allowed to remain some time in weak liquor, apparently represents the state called " Z. fimbriatus.' 1 '' Such change was apparent after a few weeks in a large specimen, received through the kindness of Mr. J. C. Brevoort, of Brooklyn. Subfamily LYCODINjE Gill. Genus LYCODES Reinhardt. Synonymy. Lycodes Reinhardt, Kongelige Danske Videnskabernes Selskabs Naturviden- skabelige og Mathematiske Afhandlingar, deel vii. p. 153, 1838. Lvcodes G anther, Catalogue of the Fishes in the British Museum, vol. iv. p. 319, 1862. Blennius sp. Sabine, Zoarces sp. Richardson. Body elongated, subcylindrical anteriorly, compressed towards the tail and gradually tapering. Anus subcentral, with a tumid border and a small pa- pilla behind. Scales minute or obsolete. Head oblong, moderate, decurved in front to the snout. Eyes moderate, mostly or entirely in the anterior half of the head. Nostrils near the snout and above the maxillars ; the anterior simple ; the posterior tubular. Mouth with the cleft scarcely oblique, little extending backwards, the su- pramaxillars ceasing under or before the front of the orbits. Lower jaw shorter and received within the upper. Lips large ; the upper loose and continuous ; the lower lobular or slightly pendant on each side. Teeth in the jaws, vomer and palatine bones conical, mostly uniserial on the sides of the jaws and the palatines. Branchial apertures rather large, almost vertical, in front of the bases of the pectoral fins and further, extending slightly above and below. Branchiostegal rays five or six. Dorsal fin commencing behind the bases of the pectorals, and, like the anal, continuous with the caudal uninterruptedly. Pectoral Ads moderate, obliquely rounded, behind, inserted moderately high. Ventral fins minute, with three or four rays. 1863.] / 260 PROCEEDINGS OE THE ACADEMY OF Synopsis. A. Pectoral fins with 18 22 rays. I. Body wholly scaly. a.. Vertical fins scaly. Brownish yellow, with six slightly oblique, blackish bands as wide as the in- tervals behind the head, tending downwards and forwards. Head dark. D. 116117. A. 9195. P. 20. V. 4 L. vahlii. 0. Vertical fins naked. Brownish yellow, with anasto- mosing lines forming' five reticulated bands behind the head. Head reticulated with similar lines. D. 9395. A. 75. P. 20. V. 4 L. reticulatus. II. Body only partly scaly. 1. Body scaly in front, naked behind ; fins naked. Yel- lowish, with eight brown bands, broader than their interspaces, behind the head. Head banded above, and with two round yellow spots on the crown. D. 80. A. 65. P. 19. V. 3 L. perspicillum. 2. Body naked in front, scaly behind ; fins naked. Color uniform. D. 91. A. 71. P. 2122. V. (3?) L. seminudus. 3. Body naked anteriorly ; scaly on the posterior part of the dorsal fin, not or scarcely on the anal. Brown, with transverse yellow bands across the back, but small and indistinct. D. 87. A. 68. P. 19. V. 3 L. nebulosus. III. Body and fins wholly naked. Brownish black, with five narrow white bars across the back behind the head ; the posterior largest, and spreading down- wards. Abdomen and head, below white. D. 90. A. 70. P. 18. V. 3 , L. mucosus. B. Pectoral fins "having fifteen rays," with the length "ex- ceeding twice its breadth," without any scales. Yel- lowish, "with eleven large saddle-shape markings across the back, the middle of these markings being much lighter than their edges ; the whole back and the sides marbled L. polaris. Lycodes Vahlii Reinhardt. Synonymy. Lycodes Vahlii Reinhardt, Kongelige Danske Videnskabernes Selskabs Natur- videnskabelige og Mathematiske Afhandlingar, deel vii. p. 153, tab. 5, 1838. Gill, Catalogue of the Fishes of the Eastern Coast, &c, p. 46, 1860. Gunther, Catalogue of the Fishes in the British Museum, vol. iv. p. 319, 1862. Eab. Greenland. Lycodes reticulatus Reinhardt. Synonymy. Lycodes reticulatus Reinhardt, op. cit., deel vii. p. 167, tab. vi. Gill, op. cit., p. 46. Gunther, op. cit., vol. iv. p. 320. Hab. Greenland. Lycodes perspicillum Kroyer. Synonymy. Lycodes perspicillum Kroyer, Oversigt over det Kongelige Danske Viden- skabernes Selskabs, &c, 1844, p. 140. Kroyer, Voyage en Scan- dinavie, en Laponie, au Spitzberg et aux Faroe, &c, sur la corvette [Sept. NATURAL SCIENCES OP PHILADELPHIA. 261 "La Recherche," Poissoyis, tab. vii. Gill, op. cit., p. 46. Giinther, o^. cit., vol. iv. p. 320. Hab. Greenland. Lycodes seminudus Reinhardt. Synonymy. Lycodes seminudus Reinhardt, op. cit., deel vii. p. 223. Gill, Cat,, p. 46. Giinther, op. cit., vol. iv. p. 320. Hab. Greenland. Lycodes nebulosus Kroyer. Synonymy. Lycodes nebulosus Kroyer, Oversigt over det Kongelige Danske Videnska- bernes Selskabs, &c, 1844, p. 140. Gill, Cat., p. 46. Kroyer, Natur- historisk Tidsskrift stiftet af Henrik Kroyer, udgivet af Prof. J. C. Scbiodte, naepes iii. hafte ii. p. 293, 1862. Hah. Greenland. Lycodes mucosus Richardson. Synonomy. * Lycodes mucosus Richardson, Last of the Arctic Voyages, p. 362, pi. 26, 1855. Gill, Cat., p. 46. Giinther, op. cit., vol. iv. p. 320. Hab. Northumberland Sound. Lycodes polaeis Richardson. Synonomy, Biennius polaris Sabine, in Parry's Journal of a Voyage for tbe Discovery of a Northwest Passage, &c, performed in 1819-20, &c, Supplement to Appendix, p. ccxii. Zoarces polaris Richardson, Fauna Boreali-Americana, Fishes, p. 94. Lycodes polaris Richardson, Last of the Arctic Voyages, p. 362. Gill, Cat., p. 46. Giinther, op. cit., vol. iv. p. 321. Subfamily GYMNELINuE Gill. Genus GYMNELIS Reinhardt. Synonomy. Gymnelis Reinhardt, Kongelige Danske Videnskabernes Selskabs Nat. og Math. Afhandlingar, deel vii. p. 130, 1838. Seq. Richardson, Kaup, Gill, Kroyer, Giinther. Cepolophis Kaup, Wiegmann's Archiv. fur Naturgeschichte, 1856, band i. p. 96, 1856. Gymnelis Giinther, Catalogue of the Fishes in the British Museum, vol. iv. p. 323, 1862. Ophidium sp. Fabricius. Body naked, elongated and slender, compressed, especially behind the ab- domen, and with the anus situated little behind the anterior third of the length, and with a moderate papilla. Head, oblong, rather small (one-sixth or seventh of total length), and de- clivous in front to the snout. Eyes moderate, entirely in the anterior half of the head. Nostrils single. Mouth with the cleft moderately oblique and quite deep, the supramaxillars generally extending wholly under or behind the eyes. Jaws equal in front ; lower oblong and rounded in front. Teeth small and acute, pluriserial at the front of jaws, uniserial on the sides, as well as on the vomer and palatine bones. Branchial apertures rather small, scarcely extending in front of the upper portion of the bases of the pectoral fins. 1863.] 262 PROCEEDINGS OP THE ACADEMY OP Branchiostegal rays six. Dorsal and anal fins confluent with, the caudal, and uninterrupted. Pectoral fins fan-shaped, rather small, and inserted rather low. Ventral fins obsolete. The Ophidium imberbe of Linn., as understood by recent authors, and the 0. stigma of Lay and Bennett, do not belong to this genus. The latter is dis- tinguished by its scaly body. Gymnelis viridis Reinhardt. Synonomy . Ophidium viride Fabricus, Fauna Groenlandica, p. 141. Block, Schneid., p. 486. Ross, Reinhardt. Ophidium unernak Lacepi.de, Histoire Naturelle des Poissons, tome ii. p. 286. Gymnelis viridis Reinhardt, Kongelige Danske Videnskabernes Selskabs Nat. og Mat. Afhandlingar, deel vii. Kroyer, Voyage en Scandinavie, en Laponie, au Spitzberg et aux Faroe, &c, sur la corvette "La Re- cherche," Poissons, tab. 15. Richardson, Last of the Arctic Voyages, p. 371, pi. 30. Kroyer, Naturhistorisk Tidsskrift Stiftet af Henrik Kroyer, udgivet af Prof. J. C. Schiodte, naepes iii. hafte 2, 1862. (Jiin- ther, Catalogue of the Fishes in the British Museum, vol. iv. p. 323. Cepolophis viridis Kaup, Archiv fiir Naturgeschichte. Hab. Greenland. Descriptions of the GOBIOID genera of the Western coast of Temperate North America. BY THEODORE GILL. In the present article, detailed descriptions are submitted of three genera represented on the coasts of the Pacific United States. Although more than usually detailed, it is believed that no characters except such as are strictly generic are included ; the brief references made to other genera will assist in obtaining an idea of the character of variation in the family. After having seen as numerous species as any of my predecessors, I am convinced that many natural genera are included under the name Gobius. A number of these have already been name!, but others yet remain without designation. The subfamily Gobiinas is the only one so far known to be represented in the Californian and Oregon waters. Further south, the subfamilies Eleotrina?,^Si- cydiinav* and Amblyopinae occur. Genus CORYPHOPTERUS Gill. Synonymy. Gobius sp. auct. Body robust, considerably compressed, especially towards the back and cau- dal fin, with the anus considerably in advance of the middle ; caudal peduncle oblong, high, and not contracted. Scales regularly imbricated, large, more or less hexagonal, with the posterior margin pectinated, the nucleus at or near the posterior angle, and with striae radiating thence towards the anterior margin ; the scales cease near the nape. Head scaleless, oblong, above nearly square and transversely arched behind the eyes ; the sides compressed downwards ; cheek scarcely tumid ; snout oblique ; eyes rather large, longitudinally elliptical, oblique, very closely ap- proximated, and situated chiefly or wholly in the anterior half of the head ; * The Sicydiinae are represented by four genera, Sicydium, (old world), Sicyopterus (new world), Sicyupus (without labial teeth, &c, and embracing Sicydium zosterophorum, Blkr., and S. bait nense Blkr.), and Sicyogoster Gill, (neo BarneTille = Gobicsoz. [Sept. NATURAL SCIENCES OF PHILADELPHIA. 263 opercula unarmed ; operculum well developed, as long as or longer than the interval between it and the eye. Mouth with the cleft oblique, longitudinal, the periphery of each jaw semi- elliptical, the supramaxillars under or nearly under the pupil ; lower jaw slightly projecting beyond the upper; intermaxillars slightly protractile downwards, with the posterior processes moderate, and the lateral branches thick and attenuated towards their ends, but with a thin crest above ; supra- raaxillars longer than the intermaxillars, behind the apophysis slightly twisted, nearly rectilinear, compressed and slightly expanded downwards behind, and produced towards the inferior angle. Tongue rather thin, oblong, truncated in front, and free. Teeth elongate, curved, acutely conic, pluriserial in front, continued to the angles of the mouth ; enlarged and distant in front, in a row along the margin of each jaw ; again increasing and bent backwards in the posterior row. Branchial apertures lateral, nearly vertical, above bounded by a membrane attached in front of the axil of the pectoral; below continued forwards in a short slit between the fourth branchiostegal ray and breast. Branchiostegal rays five. Dorsal fins distinct ; the first with six spines, all flexible, the third generally longest, the sixth remote; second oblong, generally increasing backwards, and with most of its rays having an anterior simple and a posterior forked branch ; the last ray free. Anal opposite and similar to the dorsal, nearly coterminal with it. Caudal fin well developed, rounded behind. Pectoral fins rounded behind, at the base subvertical and not continued to the plane of the breast, with its rays well defined, and, except one or two upper and lower ones, branched. Ventral fins inserted below the base of the pectoral, very obliquely infurdi- fuliform, the inner rays longest and well connected ; the interspinous membrane low. Type, Coryphopterus glaucofrjenum. This genus is most nearly related among those hitherto named to Ctenogobius Gill, but is distinguished from that type by the short, robust body, the less ab- ruptly decurved snout, the dentition and want of bent canines in the lower jaw in the male,* and the structure of the dorsal and anal fins.f The genus proba- bly includes several species referred to Gobius, such as the Mediterranean G. Lesueurii Risso.J Coryphopterus glaucofr^n dm Gill. The height of the body is contained about five times in the total length ; the head about 4^, and the caudal nearly the same. The head is not far from twice as long as high ; the diameter of the eye enters nearly 3 times in the head's length, and is larger than the snout. The pectoral equals about a fourth , and the ventral about a fifth, of the total length ; the dorsal and anal fins in- crease in height backwards, where they about equal the height of the body. * D. VI. 10. A. I. 9. P. 18. There were apparently twenty-five vertical rows of scales, and seven longitu- dinal ones, between the dorsal and anal fins. The body is tawny, with a faint blue spot in the centre of each scale, and with * The presence of canine teeth in Clenogobius is asexual character; but in the new genus, these teeth are probably absent in both sexes. f Cte.nogobiusfasciatus has six dorsal spines, although, by a typographical error, " V'has been assigned to it in the original description. | In addition to Gobius, C'oryphogobius, Aphya, and Brachyochirus, there are several other genera of European Gobies. G. minutus is the type of one (Pomatoschistus), distinguished by the small scales, extension of branchial aperture above, (a character hitherto unnoticed,) Ac. G. quadrvmar culatus, of another (Delientosteus.) allied to C'oryphogobius, but distinguished by the structure of the dorsal and anal fins and the triangular shape of tlae lower pharyngeal bones. Both have several species. 1863.] 264 PROCEEDINGS OF THE ACADEMY OP six spots formed by aggregations of dark dots on the ridge of the back, between the second dorsal spine and the axil of the soft dorsal fin; the first spot below the interval between the second and third spines ; the second below that, be- tween the fifth and sixth ; the third between the dorsals ; the fourth below the fourth ray; the fifth below the seventh, and the sixth below or behind the tenth or last. Another row of similar but fainter spots runs from the scapular region, and a third row along the middle of the sides on every third or fourth scale, while at the base of the caudal there is a spot above and another below the middle. The humeral region is bluish. The head is tawny, with three dark spots between the forehead and dorsal ; a larger above the operculum, surmounted above by a blue dot ; three blue dots below the oculo-scapular groove, the first two nearest and behind the eye, the third on the operculum. A straight blue line crosses the cheek above and slightly upwards, and is con- tinued, after interruption, on the operculum ; above and below it are dark dots, especially closely aggregated below, behind the angle of the mouth. The dor- sal fins have a few faint blue spots. A single specimen of this species, one inch and seven-tenths long, was ob- tained by Dr. Kennedy, the naturalist of the northwest Boundary Commission, in Washington Territory. Genus EUCYCLOGOBIUS Gill. Synonymy. Eucyclogobius Gill, Proc. Academy of Natural Sciences of Phila., 1862, p. 279. Gobius (Gd.) sp. Girard. Lepidogobius sp. Gill. Cyclogobius sp. Steindachner. Gobius (L.) sp. Gilnther. Body robust, subfusiform, compressed towards the caudal fin, with the anus scarcely in advance of the middle ; behind very slowly decreasing in height towards the caudal peduncle, which is oblong, and not, or scarcely, contracted at its middle. Scales regularly imbricated, small, cycloid, ovoid, with the nucleus behind the centre, with numerous radiating stripe diverging towards the front and sides, and with concentric striae or wrinkles behind. The scales advance for- wards nearly or quite as far as the nape. Head scaleless, oblong, conoid, subquadrangular behind, and nearly as wide as high, above transversely convex in front of the nape and on the sides. Opercula compressed ; cheeks scarcely tumid ; snout oblique; eyes moderate, longitudinal elliptical, nearly lateral, rather distant from each other, and situ- ated nearly in the middle of the anterior half of the head. Opercula unarmed ; operculum well developed, nearly as long as the interval between it and the eye. Mouth with the cleft oblique, longitudinal, the periphery of each jaw ovoid, the supramaxillars extending beneath the eye. Lower jaw nearly even with or scarcely projecting beyond the upper. Intermaxillars slightly protractile downwards, with the posterior processes short and wide, and with the lateral branches thick and attenuated towards the ends, but with a thin crest above (behind), along the posterior half. Supramaxillars nearly twice as long as the intermaxillars, with a compound apophysis in front, thence nearly reetilinear, but twisted, narrow, and only slightly dilated below towards the ends. Tongue thick, emarginated in front, and free. Teeth curved conic, pluriserial ; those of the outer row of the upper jaw enlarged. Branchial apertures lateral, nearly vertical, bounded above by a membrane attached in front of the axil of the pectoral fin ; below continued forwards in a slit between the fourth ray and the breast. [Sept. NATURAL SCIENCES Of PHILADELPHIA. 265 Branchiostegal rays five. Anal papilla moderate, oblong, and compressed. Dorsal fins entirely separated ; the anterior considerably behind the pecto- ral region, convex, and with seven or eight spines. The second oblong (I. 12); with its rays mostly simply bifurcated, and with the last free behind. Anal fin shorter than the second dorsal, but even with it behind, and with its structure similar. Caudal fin well developed, convex behind, and with numerous supplement- ary rays above and below its peduncle. Pectoral fins wide, produced and rounded behind, with the base nearly vertical, but slightly concave, not extending below to the plane of the breast. The upper rays, like the others, are well defined and branched. Ventral fins inserted below the bases of the pectoral, simply infundibuli- form, with the inner rays longest and connected, and with the interspinoun membrane low. The genus Eucyclogobius is very distinct from Lepidogobius, differing espe- cially in the robust, subfusiform body, the size and position of the eyes, wider forehead, shape of jaws, and especially the position of the ventral fins. Only one 3pecies is yet known. EocYCLOGOEins Nkwberrii Gill. Synonymy. Oooius Newberrii Girard, Proc. Academy of Natural Sciences of Phila., vol. viii. p. 128, 1856. Girard, Boston Journal of Natural History, vol. vi. p. 539. PL xxv, figs. 5 8, 1857. Girard, Explorations and Surveys for a Railroad Route, vol. x. Fishes, p. 128. Lepidogobius (Newberrii) Gill, Annals of the Lyceum of Natural History of New York, vol. vii. p. 14, 1858. Gobius Newberrii Giinther, Catalogue of the Acanthopterygian Fishes, Ac., vol. iii. p. 77, 1861. KucyclogobiuB (Newberrii) Gill, Proc. Academy of Natural Sciences of Phila.. 1862, p. 279. Kucyclogobius Newberrii Gill, op. cit., 1862, p. 330. Genus LEPIDOGOBIUS Gill. Synonymy. Lepidogobius Gill, Annals of the Lyceum of Natural History of New York, vol. viii. p. 14, 1859. Cyclogobius Stemdachner, Beitriige zur Kentniss der Gobioideu in Sitzungsbe- richte der kaiserlichen Akademie der Wissenschaften, Math. Nat. Classe., Band xlii. p. 284, 1861. Lepidogobins Gill, Proc. Academy of Natural Sciences of Phila., 1862, p. 330. Gobius Girard, Explorations and Surveys for a Railroad Route, &c, to the Pacific Ocean, vol. x.. Fishes, p. 127. Gobius sp. Gilnther. Body elongated, slender, compressed, with the anus in advance of the mid- dle of the total length ; behind very slowly decreasing in height towards the (vandal peduncle, which is elongated, but scarcely narrowed at the middle. Scales regularly imbricated, small, cycloid, ovoid, subtruncated in front. with the nucleus in the anterior half, and with numerous radiating striae di- verging towards the front and with concentric striae behind ; scales ad- vancing forward above as far as the eyes, and on the sides to the suborbital region. Head elongated, conoid, subquadrangular behind, and there about equally high and wide ; above transversely convex, with the nape undefined, the scales advancing to the eyes ; the opercula sub vertical ; cheeks not tumid, scaly 1868.] 10 266 PROCEEDINGS OF THE ACADEMY OF like the preoperculum and operculum ; snout oblique. Eyes large, longitudi- nal elliptical, oblique, and closely approximated, situated chiefly or entirely in the anterior half of the head. Opercula unarmed ; operculum well de- veloped, as long as or longer than the region between it and the eye. Mouth with the cleft oblique, longitudinal, the periphery of each jaw ovoid, the supramaxillars ending beneath the pupils. Lower jaw even or slightly projecting beyond the upper. Intermaxillars slightly protractile downwards, with the posterior processes short and wide, rounded at their ends; with the lateral branches thick and attenuated towards the ends, but with a thin crescentiform crest above, along the posterior half. Supramaxillars neariy twice as long as the intermaxillars, with a compound apophysis in front; thence nearly rectilinear, compressed, highest at the middle, again slightly en- larged and convex at the ends. Tongue thick, emarginated in front, and tree. Teeth conic, curved, pluriserial ; those of the upper jaw enlarged in the outer row. Palate smooth ; vomer projecting. Branchial apertures lateral, nearly vertical, bounded above by a membrane attached near the axil of the pectoral fin ; below, continued forwards in a short slit between the fourth ray and the breast. Branchiostegal rays five. Anal papilla small. Dorsal fins considerably separated ; the first considerably behind the ven- trals, oblong, convex at the middle, and with seven slender spines, between the last of which and the penultimate a wider interval exists. Second dorsal rather long (I. 19 pm.), with most of its rays with the anterior branch single and the posterior bifurcated. Last ray free behind. Anal fin shorter than the dorsal (I. 16 pm.), but coterminal behind with it. and of similar structure. Caudal fin well developed, convex behind, and with numerous supplement- ary rays above and below its peduncle. Pectoral wide, produced and rounded behind, with the base little oblique, but extending nearly to the plane of the chest, with its superior as well as the other rays well defined and branched. Ventral fins considerably behind the pectoral, very obliquely infundibuli- form, the inner rays longest and well connected ; the interspinous membrane low. The genus Lepidogobius is readily distinguished by its elongated body, small cycloid scales, form of head, development of the fins, and especially by the posterior insertion of the ventral fins. A single species has been discovered ; the Gobius Neivberrii, formerly referred to it wnen known only through the de- scription of Girard and the comparison instituted between it and L. gracilis, belonging to a distinct genus. The type of Lepidogobius has been placed by Dr. Giinther in a section of Gobius characterized by having " the anterior dorsal with seven to nine spines." In this section, besides Lepidogobius, species ot the genera Eucyclogobius, Acantho gobius, (nearly allied to Au-aous, but having an increased number of spines and a scaly head), Chselurichthys R., and two Japanese genera have been placed. One of the latter genera, typified by Gobius virgo T.S., is distinguished by the long dorsal and anal fins (VIII. I. 25 27. A.I. 26.), very small scales, and the form of the head ; it may be called Pterogobius. Another resembles Gobionellus Gd., but is distinguished by the increased dorsal and anal fins (D. VIII. IX. 20. A. 17.), &c. It is represented by Gobius hasta, which may be called Synechogobius hasta. Lepidogobius gracilis Gill. Synonymy. Gobius gracilis Girard, Proc. Academy of Natural Sciences of Phila.. vol. vii. p. 134, 1854. [Sept. NATURAL SCIENCES OF PHILADELPHIA. 267 Not Gobius gracilis Jenyns. Gobius lepidus Girard, Explorations and Surveys for a Railroad Route, Arc, vol. vi., Abbot's Report, Zoology, p. 21 (figured). Girard, op. cit., vol. x., Fishes, p. 127, pi. xxva, figs. 5-6. Girard, op. cit., vol. x. William- son's Report, Zoology, p. 86. Lepidogobius gracilis Gill, Annals of the Lyceum of Natural History of New York, vol, vii. p. 14, 1859. Gobius lepidus Giinther, Catalogue of the Acanthopterygian Fishes, &c.,vol. iii. p. 78, 1861. Lepidogobius gracilis Gill, Proc. Academy of Natural Sciences of Phila., 1862, p. 330. D. VII. I. 19. A. I. 16. P. 24. V. I. 5+5. I. The color is tawny or reddish-brown, (thickly dotted with blackish-purpk when viewed under the magnifier) ; the snout, interorbital region and lips, purplish ; the branchiostegal membrane dark purple. The fins are also pur- ple, and thickly dotted with darker, especially between the rays. On the G0BI0IDS of the Eastern Coast of the United States. BY THEODORE GILL. Subfamily GOBIINJE (Bon.) Gill. Genus GOBIUS Artedi. Synonymy. Gobius Artedi, Genera Piscium. Gobius Cuvier, Regne Animal ed, tome ii. Gobius Cuv. et Vol. Hist., Nat. des Poissons, tome xii. p. 1. Gobius Giinther, Cat. Acanthop. Fishes, vol. iii. p. 3. Body moderately elongated, subcylindrical anteriorly, slowly declining and compressed towards the caudal fin, with the anus little in advance of the mid- dle of the total length, and with the caudal peduncle oblong and not or scarcely contracted at its middle. Scales moderate, (in 35 55 transverse rows), more or less hexagonal, gen- erally higher than long, pectinated behind, with the nucleus at or next to the posterior angle, and with radiating striae diverging from it towards the anterior border ; scales generally advancing forwards on the crown. Head oblong, depressed, wider than high, slowly declining to the snout, and with the snout itself, in front, boldly decurved ; above conical, rather rapidly narrowed to the snout, whose periphery is convex. Cheeks behind more or less tumid. Eyes moderate, longitudinal elliptical, oblique and look- ing upwards, closely approximated and situated almost, or wholly, in the ante- rior half of the head. Opercula unarmed. Operculum moderate, shorter than or equal to the internal between it and the eyes. Mouth with the cleft longitudinal, ovoid^the supramaxillars under the pupils. Lower jaw even with, or rather shorter than the upper. Intermaxillars little protractile obliquely forwards, with the posterior processes short, the lateral branches thick, little attenuated backwards and above, with a thin elevated crest, generally truncated in front and decurved behind. Supramaxillars longer than the intermaxillars, slightly twisted, towards the ends compressed and decurved, and with a narrow expansion downwards. Tongue moderate, rather thin, truncated and free in front. Teeth fixed, acutely conic and curved, pluriserial, enlarged in the outer row. Palate smooth. Branchial apertures lateral, vertical, bounded above by a membrane attached in front of the upper pectoral rays, below continued in a short elit between the fourth branchiostegal ray and breast ; isthmus very wide. 1863.] 26? PROCEEDINGS OF THE ACADEMY OF Branchiostegal rays five ; the fifth very thin and concealed in the mem- brane. Dorsal fins distinct; the first scarcely oblong, with six spines, the last of which is remote; the second rather long, (I. 916), with the soft rays generally having an anterior simple and posterior forked branch ; last ray tree. Anal fin shorter than the second dorsal. (I, 814), and ending under its last rays. Caudal fin broad, rounded behind. Pectoral fins well developed, produced and rounded behind, with the upper rays short, deeply branched and filamentous or silk-like; the rest well defined and normally branched. Ventral fins inserted below the bases of the pectoral, obliquely infnndifu- Hform, with the inner rays largest and well connected; the interspinous mem- brane low. Type. Gobius niger L. The genus Gobius, restricted as it has now been, still contains a num- ber of species, two of which, are English the G. niger L., and G. paga- ndlus, L. upon which the generic characters have been especially verified, they being the types of the genus. A considerable difference exists in the development of the dorsal and anal fins, in different species of the genus. Gobius caroliniensis Gill. The height equals about a fifth of the total length ; the caudal peduncle ( from the vertical of the anal and dorsal fin to its end) forms about a sixth of the came, and its height equals a ninth. The head enters 4, 1-5 times in the length ; its width six times ; the diameter of the eye equals a quarter of the head's length and the length of the snout. The caudal fin forms about a Jifth of the total length : the pectoral nearly equals the caudal. 1 1 D. VI. I. 8 A. L. 1 P. 18 1 1 There are about thirty-eight transverse rows of scales and fourteen longi- tudinal ones between the front of the second dorsal and origin of anal fin. The color is blackish-brown, indistinctly bordered with darker, and with a darker spot at the base of the caudal fin. There are a few lighter spots on the operculum. The fins are purplish. A single specimen has been sent from Charleston, South Carolina, to the Smithsonian Institution. The species is most closely allied to G. soporator, but differs in some of the proportions, especially the narrower caudal pedun- cle, and in the number of scales. Genus GOBIOSOMA Girard. Synonymy. Gobiosoma Girard, Proc. Academy of Natural Science of Philadelphia, 1858. p. 169. Gobiosoma Giinther, Catalogue of the Acanthopterygian Fishes, &c.vol. iii.p. 85, 1861. Gobius sp. Lac, Mitch., Cuv. et Vol. &c. Body scaleless, oblong, slowly declining and compressed towards the cau- dal fin, anus in advance of the middle, the peduncle oblong and not or scarcely contracted, with the back and abdomen trasversely rounded, and the sides nb vertical. Head oblong, depressed, much wider than high, declining slowly to the eyes and thence boldly decurved to the edge of the rather high subtrancated nnout; above snbcordate, in front of the nape, (and preopercle), diminishing [Sept. NATURAL SCIENCES OF PHILADELPHIA. 26 in width to the snoot, whose periphery is convex. Cheeks in front oi preo- perculum tumid. Eyes rather small, longitudinal, oblique, distant from each other and situated nearer the middle of the anterior half of the head. Opercular unarmed ; the preoperculum hidden in a fleshy mass ; the operculum higher than long. Mouth scarcely longer than wide, and with the cleft scarcely oblique, the supramaxillars passing under most of the eye. Lower jaw rather shorter than the upper, intermaxillars little protractile downwards, with the posterior processes short and the lateral branches thick, little attenuated backwards, and without crests. Supramaxillars longer than the intermaxillars, slightly twisted and curved, compressed behind and surmounted by a longitudinal keel below which the expansion takes place, and at whose end the bone is convex. Tongue moderate, oblong, truncated and free in front. Teeth fixed, slender, curved and acute, pauciserial, enlarged in the outer row. Palate smooth. Branchial apertures lateral, nearly vertical, bounded above by a membrane attached in front of the upper pectoral rays, slightly curved forwards below ; isthmus very wide. Branchiostegal rays five. Dorsal fins distinct; the anterior oblong, normally with seven slender spines, the last two remote from each other and the preceding. Second dorsal ob- long, (I. 10 12), with its rays generally having an anterior simple and pos- terior forked branch ; the last ray free. Anal fin oblong, (I. 10 12), smaller than the second dorsal and extending less backwards, but of similar structure. Caudal fin convex behind. Pectoral fins well developed, convex behind, with the rays distinct and almost all branched. Ventral fins inserted below the bases of pectoral, rather small and obliquely infundifuliform, the inner rays longest and well connected, the interspimoup membrane low. The genus Gobiosorna \b apparently peculiar to North America, and is rep- resented on both the Eastern and Western coasts. The foreign species re- ferred to it belong to several genera, the Gobius macrognalhus Blkr. of Japan, differing in the form of the head, &c, may be named Gymnogobius ; the G. ophi- ocephalus Jenyns, in form and development of fins, Ophiogobiw ; the G. Nilssonii D. & K., distinguished by the biradiate first dorsal, may take the name Orystallogobius, and G. stuvitzii D. & K., Boreogobius. Gobjosoma albpidotum (Girard,) Gobius alepidotus, Lac. Gobius viridipallidus, Mitch. Gobius Boscii, Guv. et Val. Gobius alepidotus = Gobiosorna sp. Girard. Gobiosorna alepidotum, Giinther D. VII. Hab. New York to South Carolina. Subfamily ELEOTR1NAZ (Bon) GUI. Genus DORMITATOR Gill. Synonymy. Dormitator Gill, Catalogue of the Fishes of the Eaatero coast of North Ame- rica, &c, p. 44 (named only.) Dormitator Gill, Proc. Academy of Natural Sciences of Phila., 1862, p.. 240. Bleotris Sp. auct. Prochilus Cuvier, Regne Animal ed. i. tome ii. p. 2JH 1863] 270 PROCEEDINGS OF THE ACADEMY OF Body moderately elongated, subfusiform, compressed, especially behind the anus, which is situated a little in advance of the middle of the length ; caudal peduncle oblong and contracted towards the middle, but slightly narrowed towards the caudal fin. Scales regularly imbricated, moderate in size, hexagonal, but apparently rather pentagonal, generally higher than long, with the posterior margin pec- tinated, the nucleus at or next to the posterior angle, from which striae radi- ate towards the anterior border ; the scales advance on the head. Head scaly, the scales advancing forwards above to the snout, and covering the cheeks and opercula, cycloid and smaller above and on the cheeks ; the head is rather small, considerably compressed and much higher than wide, nearly uniform in width, declining downwards to the snout ; the latter is convex, and its periphery arched ; the whole upper surface is convex and fleshy; the cheeks scarcely tumid. Eyes rather small, subcircular, entirely lateral, widely separated, and situated in the anterior half of the head. Opercula unarmed ; operculum fully developed, its length being nearly twice as great as the interval between it and the eye. Mouth with the cleft oblique, transverse, the periphery of each jaw semicircu- lar, the supramaxillars ceasing nearly under the front of the orbit. Lower jaw nearly even with the upper. Intermaxillars, little protractile downwards,with the posterior processes short and wide, (connected), and the lateral branches thick and attenuated backwards, but near the ends with a thin, convex expansion above the posterior half. Supramaxillars longer than the intermaxillars, nar- row, twisted, little curved, and behind compressed, and with a slight expan- sion downwards. Tongue fleshy, moderate, subtruncated in front and free at its tip. Teeth slender, conic, in a narrow band in each jaw, moveable in the external row in the lower. Palate smooth. Branchial apertures lateral, nearly vertical, continued above in a short slit of the oculo-scapular groove, below curved slightly forwards between the membrane and throat; isthmus moderate. Branchiostegal rays five. Anal papilla long and compressed. Dorsal fins two, the first generally with seven (6-8) spines, the anterior nearly uniform ; the second, short and high, (I. 8 9) ; the rays generally, with the anterior branch simple and the posterior forked ; the last ray free be- hind. Anal fin nearly opposite and similar to dorsal. Caudal fin large, convex behind. Pectoral fins well developed, equally convex behind, with the rays well de- veloped, and only one or two upper and lower ones simple. Ventral fins inserted below the base of the pectoral, closely approximated but entirely free ; each with five rays, the fourth of which is longest. This genus is well distinguished by the combination of characters above given, especially the large scales, compressed and nearly uniformly wide de- clivous head, and the extension forwards of the bra-nchial apertures above. The genus Eleotris, from which the present is detached, as understood by Cuvier and his followers, appears to be rather entitled to the rank of a sub- family than to that of a genus. Valencinnes has distinguished the genus Philypnus. Bleeker recognizing the difference of many of the types referred to it, even after such restriction, has proposed to separate from it Culius, Butis, Valenciennea (== Eleotriodes) and Belobranchus ; Poey has founded ErotelU and the Writer has established the genera Bostrichthys aud Dormitator. After all these dismemberments, there still remain, as types of distinct genera, the Eleotris ophiocephalui C. et. V. (genus Ophiocara); E. Mogurnda Rich. (g. Mogubn- da) ; E.gobioides (g. Gobiomorphus) ; G.cyprinoides (g. Hypseleotris) ; E.mae- crodon Blkr. (g. Odonteleotris) ; E. ttrigata 0. et V. (g. Callbleotris) and E. mi [Sept. NATURAL SCIENCES OF PHILADELPHIA. 271 srolepis, Blkr. (g, Ptereleotris), and perhaps still others. These various genera are distinguished by^he form of the body, length of the fins, the form of the caudal, that of the head, the dentition, extent of branchial apertures, num- ber, &c, of branchiostegal rays and size of scales. DORMITATOR LINEATUS Gill. Dormitator somnulentus Gill, Catalogue of the Fishes of the Eastern coast of North America, p. 44. Not Dormitator somnulentus Gill, ex. Gd. The height enters about 4^ times in the total length ; the head about 4 times; the diameter of the eye about equals the snout and two-ninths of the head's length. The caudal forms a fourth of the length; the pectoral equals a fifth ; the ventral does not extend to the anus, and is rather shorter than the, pectoral. D. VII. I. 10. A. I. 10. P. 14. There were, apparently, thirty-one or two oblique rows of scales, and nine longitndinal ones between the origin of the second dorsal and the anal. The color is brownish-yellow, thickly punctulated with darker, with a dark line running along the middle of each row of scales, and with a dark vertical blotch on the scapular region. The head had, apparently, two dark longitu- dinal bands. The dorsal and anal fins have two rows of darker spots on the basal half, and a fainter one beyond ; they are also like the other fins, punc- tulated with minute darker dots. A single specimen, about three inches long, is in the collection of the Smith- sonian Institution, and was sent from Savannah, Georgia. It was referred to as Dormitator somnulentus in the " Catalogue of the Fishes of the Eastern coast," but it differs from that species in color, as well as slightly in pro- portions. On the genus PERIOPHTHALMu'S of Schneider. BY THEODORE GILL. In examining the different species of the genera Periophthalmus and Boleoph- thalmus, attention was arrested by the very trenchant differences existing between the Periophthalmus Kozlreuteri and P. Schlosseri, which indicated gene- ric distinction. It is therefore proposed to restrict the name Periophthalmus to the species having the characters indicated in the following diagnosis, while for the P. Kcelreuteri the generic name Euchoristopus may be employed. The Periophthalminse may be distributed as follows : I. Teeth of jaws vertical, D. (IV XV.) I. 1112. A. I. 1012. v. Scales on head and body well developed and conspicu- ous. Second dorsal and anal fins nearly equal. Ventral fins in adult nearly infundibuliform Periophthalmus. 0. Scales on body and head minute. Anal fin contract- ed. Ventral fins always distinct Euchoristopus. II. Teeth of the lower jaw horizontal. D. V. I. 24 27. A. L. 2325. *. Scales small but conspicuous Boleophthalmus. 0. Scales very minute, inconspicuous or obsolete in front. (Bol. aucupatorius Rich.) Boleops. Genus PEPJOPHTHALMUS (Bl., Schneid.) Body much compressed, with the back rectilinear, gradually declining to the caudal fin, to which the rectilinear inferior outline converges still more slowly. Anus submedian. 1863.] tit PROCEEDINGS OF THK. ACADEMY OF Scales minute, cycloid, regularly imbricated. * Head little longer than high, ascending from the nape to the interorbital region, in front of which the profile is very steep ; below plane. Eyes prom- inent, separated by a narrow furrow. Border of skin above mouth with a triangular flap on each side of the middle. Scales minute, like those of the body. Mouth moderate, with the periphery semioval, the supramaxillars termi- nating under the pupils. Lower jaw most advanced. Upper lip very wide, especially at the sides ; lower free only near the angles of the mouth. Teeth erect in both jaws, uniserial, acutely conic ; above a large median one in front, and one on each side, between which and the former small teeth like those of the sides intervene ; in the lower jaw two large teeth in front, separated by a wide, smooth interval, and on the sides a row of small ones. Branchial apertures small, in front of the lower half of the arm. Branchiostegal rays five. Dorsal fins separated by a short interval ; the spinous above the pectoral tin, higher than long, with ten to fifteen slender, divergent spines : the second oblong, and with about twelve rays. Anal fin short and low, under the middle of the second dorsal, with ten or eleven rays. Caudal fin behind convex at the upper half, at the lower half very rapidly- curved forwards. Pectoral fins inserted on large free arms narrowed towards their bases, the fin nearly or quite scaleless, with the upper rays rapidly increasing in a curved line to the eighth, and the lower gradually shortened, their end* defining a moderate curve. Ventral fins thoracic, under the bases of the arms, separated by a narrow, triangular area, which ends between their inner rays in a point ; each has a spine and five rays increasing toward the inner, their ends describing a curve. Type Periophthalmus Kcelreuteri BL, Schn. Distinguished for the size of the scales, form of the head, dentition, size of branchial apertures, form of anal fin, free arms, and persistent, separation of the ventral fins. Note o tiie genera of HEMLRHAMPHIlsr^:. BY THEODORE GILL. Valenciennes, in the nineteenth volume of the " Histoire Naturelle des Pois- sons," has especially alluded in many cases to the dentition of the various ipeciea of the genus Hemirhamphus, describing the teeth as " very short, blunt and conic, or rather granulated," (//. Brownii C. et V. lix., p. 16,) finer in some, coarser in others ; in the observations on the genus, the following characters are given : " Les deux machoires sont garnies d'une bande 6troite de petites dents courts, grenues et gales," (C. et V. xix., p. 2.)" II faut aussi remarquer que les dents restent toujours petites et egales, tandis qu'elles s'allongent, comine ou le sait, dans les orpines." Trusting in the correctness of Valen- ciennes, I formerly proposed a new generic designation for a species of the tribe, with tricuspid teeth, found at the island of Barbados. As subsequent examination of numerous specimens from the West Indies and elsewhere has, however, failed to discover a dentition among the typical Hemirhamphi like that described by Valenciennes, I am compelled to believe that he is in some cases, if not in all, incorrect; after the arrival at this conclusion, it is easy to believe that the Hyporhamphus tricuspidatus may perhaps be identical with the Hemirhamphus Richardi of Valenciennes, the teeth of which are, however, described as being finer and in a wider band than in any other. Again, aB the [Sept. NATURAL SCIENCES OF PHILADELPHIA. 273 H. Richardi is probably very nearly allied to, and perhaps even identical with the jEsox brasiliensis L., the type of the genus Hemirhamphus of Cuvier, the name Hyporhamphus should probably be suppressed. If this identification then is correct, a new name should be conferred on the species with conic teeth. This question, as well as that of the proper name of the genus, will be hereafter discussed. The genus Hemirhamphus of Cuvier is not a homogeneous one, but em- braces at least four distinct generic types distinguished as follows : A. Body with the back and abdomen parallel; lower jaw very long, uni- form and depressed. I. Caudal fin forked, and with the lower lobe longest. 1. Teeth tricuspid above and below; bill moderate ; dorsal and anal pluriradiate ; pectorals moder- ate ; ventrals moderate Hemirhamphus. 2. Teeth conic above, tricuspid below; bill very slender ; dorsal and anal pluriradiate ; pectorals very long ; ventrals small Euleptorhamphus. II. Caudal fin convex behind. Anal fin of male with some thickened rays Zenarchopterus. B. Body subfusiform ; lower jaw acutely cuspidute Oxyporhamphus. The type of Hemirhamphus Cuv. is Esox brasiliensis Linn.; of Euleptorhamphus Gill (I860,) E. Brevoortii; of Zenarchopterus, Hemirhamjihus dispar C. et V. (xix. p. 58, pi. 558) and of Oxyporhamphus, Hemirhamphus cuspidatus (C. et V. xix., p. 56, pi. 55*7.) The last is only known to me through the description and figure given by Valenciennes. On STREPOMATID.E as a name for a family of fluviatile Mollusca, usually con- founded with Melania. BY S. S. HALDEMAN. In the American Journal of Science, vol. 41, 1841, in my monograph of Lep- toxis, 1845, and in the Iconographic Encyc, I pointed out the necessity of dis- tributing the heterogeneous Melaniae of Lamarck into two separate families, according as the margin of the mantle is festooned, as in the species of the Pa- cific Islands, or simple, as in the North American species. Knowing the two forms to be distinct, I proposed, in accordance with the position assigned by La- marck to his family M61aniens, to restrict the name Melania to the American group; but as the oriental species were best known in Europe when the genus was instituted in 1801, and as Deshayes (following Bruguiere, Fe"russac 180*7, and Rang, Mag. de Conch., pi. 12,) described the animal of Melania, or Pirena, as having a festooned mantle, (in his edition of Lamarck 8,427; 1838,) followed by others, as H. and A. Adams, who give " mantle margin fringed " as a charac- ter, European naturalists were averse to giving up the name for the oriental group ; and as it is a matter of little scientific importance, if the families are properly recognised, I now reluctantly yield it to the oriental form, and conse- quently withdraw the American species from it. In thus giving up the name of Melania as applicable to American species, it must not be forgotten that Lamarck's family of Melaniens includes the three genera Melania, Melanopsis, and Pirena, and that from its position in his sys- tem, and the structure of the European Melanopsides, he would not have in- cluded the species (like the oriental Melania amarula, or the African Pirena aurita,) with a festooned mantle, which have gradually become the representa tives of" Melania," from the accidental circumstance that the mollusc was 6rst described from them. The fact that Lamarck commences his series with the 1863.] 20 274 PROCEEDINGS OF THE ACADEMY OP large oriental species, is of little value, as he commences the genus Planorbis with cornuarietis, a discoid Ampullaria. Conchologists of good repute, as H.-A. Adams, Rrot, Carpenter, Deshayes, Gould, and Lea, continue to place the two groups under the same family name of Melanidae (d'Orbigny) or its equivalent, which is much like uniting Patella, Loltia, and Ancylus, because they have analogous shells. The uncertain posi- tion which these groups hold is apparent in the paper of Mr. Gill, in the Proceed. Acad. Nat. Sci. for Feb., 1863. He there includes the Melaniidae in his " Synop- sis of the families of Pectinibranchiates represented in the fresh-water streams of North America," although he admits (note under Amnicolidae) that they " have not a fringed mantle, and consequently belong to a different group " from the "true Melanians." How then can they be Melaniidae? Of this group he forms " a peculiar ss^family, Ceraphasiinse." Prom his heterogeneous Mela- niidae he rejects certain forms, including Melanopsis and Pirena (probably P. atra (Linn.) and P.fluminea (Gmel.,) lo form a family Melanopidee (and also a subfamily Melanopinae,) to which his Cera(Ceri- ?)phasiinae should belong, as Melanopsis seems to have a simple mantle ; apparently leaving Pirena aurita in his North American Melaniidae. Mr. Carpenter (Smithsonian Report for I860,) not only unites the oriental and North American species, but he assigns a fringed mantle to the latter. In the Iconographic Encyc, I placed Melaniidae (the American form) at the head of the Ctenobranchia, followed by Cerithiidae (including the oriental Me- laniae,) Vermetidae, Trochidae, &c. Melania proper, with a festooned mantle, seems to form a subfamily Melanianae of the family Cerithiidae, and the follow- ing species are examples : M. celebensis Quoy, Astrolabe, p. 152, pi. 56, f. 28. M. costata Quoy, " p. 155, " f. 36. M. cybele Gould, Am. Ex. Exp., p. 132, fig. 1546. Virginia is given as the locality of M. fuscala Born, (Helix) Desh. Lam. 8,436, which is probably an error. Of Lamarck's sixteen recent species, M. (Pleur.) carinifera is the only one from North America, and Say's M. {Pleur.) depygis is the only one among the twenty added by Deshayes. Rafinesque proposed three genera of this fluviatile family, Strepbma, Pleu- rocera and Leptoxis. The last was subsequently described as Anculosa Say, the first as Ceriphasia Swainson, (adopted by H.-A. Adams,) and Trypanosoma Lea, leaving Pleurocera for the varied forms constituting the remainder. But from this remainder I separated Lithasia for shells like Mel. nupera; and Angi- trema for the form including Mel. armigera, which leaves Pleurocera about equivalent to Goniobasis Lea, and to several of the genera proposed by H.-A. Adams, as Melasma, Elirnia, Juga. Thus Juga includes {Pleur.) Virginica Say, (inadvertently placed under Ceriphasia also,) whilst Rafinesque's Pleurocera turricula is a slender shell, like {PL) acuta Lea, or exilis Hald. I now propose that Strepbma and Pleurocera shall replace their synonyms, the former as a genus, the latter as a subgenus in the family Strepomatidte. The groups of Messrs. H.-A. Adams often indicate merely sections ; and sec- tional names given as generic are scientifically erroneous, because they erect certain species iato genera and subgenera only when they belong to extensive groups, requiring numerous specific names, whilst the same amount of charac- ter goes for nothing in groups which have but few species. All the species of Strepomatidae which I have examined living (including lo) have the mantle simple and the opercle subspiral. This is the case with Stre- poma canaliculata (Say,) the type of the first division of " Melania " in Dr. Brot's admirable Catalogue. . . . des M61aniens, Geneve, 1862. In some species of Leptoxis the adult opercle seems to have a different structure, but this arises from erosion of the earlier subspiral portion, as may be ascertained by compa- ring the different ages. [Sept. NATURAL SCIENCES OP PHILADELPHIA. 275 Oct. Qth. Mr. Vaux, Vice-President, in the Chair. Twenty-two members present. Oct. 13 th. Mr. Vaux, Vice-President, in the Chair. Twenty-six members present. Mr. Aubrey H. Smith stated that recently, in company with Dr. Leidy and Mr. Charles E. Smith, he had found in a grove, in New Jersey, about four miles out on the Camden and Atlantic Railroad, a well grown, and perfect specimen of Quercus heterophylla. He also re- marked that previously, in company with Dr. G-eorge Smith, he had noticed a tree of the same kind, though not quite so well marked, in Tinicum, Delaware Co., Pa. Mr. Durand made a communication, which was ordered to be pub- lished, as follows : When false views pertaining to one ot the branches of the natural sciences are spread before the public, either in good faith or with a view to speculation, I consider it to be the duty of an institution like ours to interfere, and bring the weight of its influence to counteract the diffusion of an error. A printed circular has been issued, emanating from a chartered company, entitled " American Tea Company," and purporting to be an announcement that the Chinese Tea-plant, or, a variety of it, has been found growing indigenous in the mountainous districts of Pennsylvania. In this circular, which appears to be the programme of the originators of the American Tea Company, these gentlemen declare that, " upon a thorough investigation of the subject, they could not withhold their entire conviction that this discovery of the Tea-plant, growing indigenously upon our own soil, hardy, vigorous, and with a leaf of superior excellence, was not only a fact, but look upon it a3 one of the most surprising bestowments ever vouchsafed by Almighty God to the people of the United States !" This solemn assertion is countenanced by the following declaration of a gentleman who, for about six years, held the responsible position of superin- tendent and chief manager of the lands, in India, of the Assam Tea Company of London and Calcutta. The following are his words : " Having been engaged, for several years, in the culture and manufacture of tea, in the Valley of Assam, situated to the west of the province of Yunnau, one of the principal tea-growing districts of China, I wrote an article on the subject, which was published in the Agricultural Report of the U. S. Patent Office for the year 1860. Since that time, several enterprising gentlemen, dis- covering that the Tea-plant was indigenous to this country and growing in wild profusion in the mountainous regions of Pennsylvania, called my attention to the subject. At first I had some doubts as to the fact of its existence in this climate ; but having been shown an excellent engraving of the plant and some specimens of the dried leaves, I became convinced of its truth, and, on pro- ceeding to the locality indicated, I found that my hopes and expectations were more than realized. The existence of the Tea-plant in Pennsylvania is a fact ! It grows indigenously, in the greatest luxuriance and abundance, in the places that I have visited, limited, however, to those localities which afford the pe- culiar soil indispensable to it, as it is the case in China, Assam and Japan " 1863.] 276 PROCEEDINGS OP THE ACADEMY OP (The plate accompanying the circular is inscribed, " The Tea- plant of North America Chinese Chah, Assamese Phalop Thea viridis, Linn.") There is no equivocation whatever in the preceding paragraphs, nor in the inscription of the plate ! The originators of the American Tea Company pro- claim to the people of the United States "that they have discovered the Chi- nese Tea-plant, Thea viridis, growing indigenous, in the greatest luxuriance and abundance, in the mountainous districts of Pennsylvania." This is a gross error, which, as a botanist and one acquainted with the mountainous districts of Pennsylvania, I now desire to correct. That the true Tea-plant, Thea viridis, or any of its varieties, have ever been detected growing in~ digenously in the mountains of Pennsylvania, I deny most emphatically ! and I challenge the gentlemen of the American Tea Company to prove the fact which they announce as one of the most surprising bestowments ever vouch- safed by Almighty God to the people of the United States. Could it be possible that a plant so well known under cultivation in our hot-houses should have escaped the sagacity and experience of such active and eminent botanists as Michaux, Pursh, Muhlenberg, Schweinitz, Nuttall, Pickering, Porter, and a host of excellent Pennsylvania botanists, who have explored every nook and corner of our mountain forests, without ever finding a single plant of the Thea viridis, which the originators of the American Tea Company boldly assert to have found growing indigenous, hardy, vigorous and abundant, almost at our doors ? By this emphatic declaration of mine, I have no intention to impeach the good faith of these gentlemen ; they have been mistaken, no doubt, and my object, as a botanist, is to correct a misrepresentation which might lead credu- lous persons into serious miscalculations. No botanist will ever look at the figures of the plate accompanying the circular, or take the trouble to steep in boiling water and unfold the leaves of the American tea, without easily recog- nizing those of a small shrub, Ceanothus Americanus, very common in our woods, and popularly known by the name of Jersey tea, under which it was used during the Revolutionary War, not as genuine Chinese tea, however, but as a substitute for it, when the latter could not be easily procured. Had the figures of the plate of the American Tea Company been provided with flowers and fruit, as they ought to have been, in order to characterize the plant, the gross error of these gentlemen would have been more glaring. In- stead of the large, solitary, or geminate flowers of the Chinese tea- plant, they would have exhibited cymose fascicles of numerous very small flowers, sup- ported on a common peduncle much longer than the leaves. I now submit to your inspection dry and green specimens of different forms of Thea viridis, with figures of the same plant, that they may be compared with specimens of Ceanothus Americanus, the plant which I have every reason to consider as that which is represented in the plate of the American Tea Com- pany. I wil! also show you leaves and fragments of leaves of both Chinese and American teas, that have been steeped in boiling water, and afterwards unfolded and pasted separately upon paper. You will here easily distinguish the peculiar and invariable characters of the leaves of each of these plants, so different from each other. The Chinese plant, as well as its varieties, is a shrub from three to six feet high, and sometimes higher, which belongs to the Camellia family. It is dis- tinguished by large polyandrous flowers, solitary or geminate in the axils of the leaves ; sepals from five to six ; petals five, six, and rarely as many as nine, slightly united at the base; stamens numerous and monadelphous ; three united styles ; capsule three-celled. The leaves axe persistent, oval or narrow- lanceolate, feather-veined, strongly serrate, and attenuated at the base. The Jersey-Tea plant is an undershrub of the order Rhamnacese, scarcely more than two feet high, with very small perigynous flowers in cymose fascicles ; sepals and petals five-parted; stamens five; one style and a three-lobed dry [Oct. NATURAL SCIENCES OP PHILADELPHIA. 277 drupe. The leaves are ovate or oblong-ovate, broad and rounded at the base, some- times almost subcordate, finely serrate, and three-ribbed. Extracts from the essay on Tea Culture, by the author of the fifth para- graph above, have been introduced into the circular of the American Tea Company ; the first of which is worded in the following manner : "The Tea-plant is thus described by botanists : " Thea viridis, Linn., Camellia t heifer a, Griff., Chinese Chah, Assamese Fhalop. " The ordinary height of the cultivated plant is from three to six feet." This concise and very curious botanical description was, it appears, just enough for the present purpose. Had the more detailed account of the plant, given three years ago in the essay on Tea-culture, been reproduced in full, m-re information would perhaps have been given than was intended. The second extract runs thus : " Botanically considered, the Tea-plant is a single species ; the Green and the Black, with all the diversities of each, being mere varieties produced by a difference in culture, qualities of the soil, age of crops, &c." Evidently this extract is the corollary of one of the para- graphs of the circular, in which the same author insinuates that, " although the character of the American Tea-plant differs somewhat from the Chinese variety, it is not greater than might be expected from the difference of climate and soil of the two countries." I will inform the gentleman that difference of climate and soil, and even difference of hemisphere, (although occasionally producing slight changes,) will never transform a plant of the Camellia tribe into one of the Buckthorn family. Referring to the leaf alone, " which," he says, " is the important part, and almost identical with some of the varieties from which the best Assam tea is made," I will add that, far from being almost identical, they are very differ- ent ; the leaf of our Ceanothus being deciduous, of a thin texture, more or less pubescent, strongly three-nerved, and rounded at the base ; whilst in all the va- rieties of Thea viridis the leaf is thick, coriaceous, persistent, quite glabrous, with a single feather- veined rib, and attenuated at the base. I must confess that the remark of an almost identity of the leaves of our plant with those of the Chi- nese Tea-plant, had induced me for a moment to suspect that the species Cea- nothus Asiaticus, a plant indigenous to south-eastern Asia, and very similar to our Ceanothus, was also used in Assam as an auxiliary, if not a substitute, to Thea viridis. I have now done with the subject. My purpose was merely to discuss the botanical value of the assertion of the originators of the American Tea Com- pany, viz. : that the tea which they intend to offer to the public, was derived from the " true Chinese Tea-plant, growing indigenously, luxuriantly, and abundantly in our mountains," invisible, so far, to our numerous and active botanists. I trust that I have convinced you of the fallacy of this assertion. I leave it now to the chemist to test the identity of chemical composition of this American tea with the Chinese Chah, and ascertain whether the former contains tannin, gluten, and thein, three of the principles which characterize Thea viridis. Oct. 20th. Mr. Vaux, Vice-President, in the Chair. Twenty members present. The following were presented for publication : " Description of a new species of Pleurocera," " Description of two new Mexican Land Shells/' and " Description of a new Teredo.'' By George W. Tryon, Jr. 1863.] 278 PROCEEDINGS OF THE ACADEMY OP Oct. 27th. The President, Mr. Lea, in the Chair. Thirty-two members present. On report of the respective Committees, the following were or- dered to be published : Description of a Collection of JASPER "LANCE-HEADS" fonnd near Trenton, New Jersey ; and Remarks on the Locality, with reference to Indian Anti- quities. BY CHARLES C. ABBOTT. During the summer of 1861, a farmer, while engaged in plowing an arti- ficially drained piece of meadow, near Trenton, New Jersey, discovered a large collection of jasper "lance-heads," buried at a distance of about fifteen inches below the surface of the ground. The author visited the spot shortly afterwards, and has lately secured the collection ; a portion of which is now in the possession of the Academy. The collection numbers about one hundred and fifty specimens ; they having been all carefully gathered when exhumed. They are of such shape as ren- ders the term " lance-head " probably most appropriate, each having a well- defined point, sharpened edges, and straight, blunt base. They measure from five and a half to seven inches in length, from two and a half to three inches in width, and from one-third to three-fourths of an inch in thickness. Some six or eight of the specimens have the maximum length and mini- mum width, and two or three are obtusely pointed at either end ; otherwise, any one specimen is a fair representative of the whole number. The material from which these " lance-heads" were manufactured, is a dark yellow jasper, more or less veined, and occasionally enclosing a ribbon of shot-like, glassy particles. A mass of this mineral was found not far distant from the spot where the "lance-heads" were discovered, and from it, evidently, they had been made, as the characteristics of the specimens were well marked in the unused mass. The collection, when discovered, was arranged in a series of circles, the specimens being placed upright on their bases ; and each circle was closely fitted within the other. Two-thirds of the collection was so arranged, while the remaining third, lying on their sides, walled them around so closely, that had they been upon the surface, they would have maintained their po- sition. No jasper is found in the locality, otherwise than as small, irregu- larly shaped fragments, and as small-arrow heads of various outlines. The neighborhood of Trenton, or that portion of it extending from the southernmost limit of the city to Bordentown, bounded on the west by the river Delaware, and east by the Trenton and Crosswicks Turnpike, is here treated of. This includes a meadow,bluff and upland, six miles in length,by from two to four in width ; and in any section whatsoever of the locality is to be found, more or less abundantly, Indian antiquities. These, for the most part, con- sist of arrow-heads of yellow, green, black and olive colored jasper, also of white quartz. These arrow-heads are of various shapes, and average an inch and a half in length. Stone axes of two patterns are abundant; one having a well defined edge and back, with a deeply worn notch on each side, for fastening a handle thereto ; the other having an as equally well marked edge, but with the back tapering to a point. These latter are generally made of serpentine. Pipes of three varietes are occasionally found ; one be- ing a cylindrical bowl of two inches in length, with a pedestal, giving it the appearance of a wine-glass : another having a globular bowl, well hollowed [Oct. NATURAL SCIENCES OF PHILADELPHIA. 279 out, and a stem of an inch in length curving upward from the bottom, being similar in shape to most of the briar-root pipes of the present day ; the third variety is a flattened tube of an inch and a half in width by three inches in length, with a bowl of an inch in diameter upon one end. Of this latter variety but two specimens have been found, so far as the author can ascertain. They were both well covered with deeply engraved de- signs, the principal one of which was evidently intended for the rising or setting sun. Fragments of pottery are also numerous, but not as pro- miscuously scattered in the locality as are the other articles mentioned. They are generally from two to four inches square, and always marked more or less with lines, dots, circles, &c, but never appear to have any particular design. The bluff fronting the Delaware, and varying from thirty to seventy feet in height, contains, throughout the greater portion of its extent, human skeletons in a moderate state of preservation. They are all buried in a recumbent position, with their feet pointing to the east invariably. The- majority of them are encased in clay coffins, which latter have so far proved too fragile to bear exhuming entire. No skeletons have yet been discovered with these, that have been buried in a sitting posture, but below the southern limit of the locality treated of in this paper (Bordentown) the skeletons exhumed are found in such a position.* These clay coffins, as the fragments of pottery to be found, are always co- vered with fantastical markings, evidently intending to portray, in the cof- fins, however, some object or objects ; but specimens have not yet been pro- cured of sufficient size to determine the exact character of the figuring. This pottery is generally a third of an inch in thickness. The following interesting account was communicated to me by Mr. T. A. Conrad of Trenton member of the Academy : " In 1829, while taking earth from the bluffy bank of Watson's creek, a small stream about a mile distant from the locale of the "lance-heads," afire-place or oven was discovered. The spot was walled about with large stones, all well blackened by fire, and the enclosure was covered with well preserved wood ashes. Fragments of pottery were also scattered about the enclo- sure, and pieces of larger size were inside, indicating the breakage there of a vessel. The "fire-place" or oven was about seven feet below the top of the creek bank, about two feet above high-water mark, and three below the level of the surrounding meadow." The meadow surrounding the place is usually inundated once yearly, but at present the deposition is not appreciable ; although Mr. Conrad states that the whole meadows were formed by such depositions. These are the points of interest connected with the locality, and with the discovery of the collection of "lance-heads," which latter appears to be an unique phase in the discovery of Indian antiquities in this neighborhood. Many vague rumors prevail in the locality of the discovery now and then, and formerly, of copper bracelets, strings of sea-shells on copper-wire, &c, but no such specimens have been seen, as yet, by the author. Description of a New Species of PLEUROCERA. BY GEORGE W. TRYON. JR. Pleurocera plicatum, Tryon, t. 2, f. 6. Description. Shell ovate-conical, spire attenuate, the upper whorls closely plicate, the lower ones smooth or obsoletely concentrically striate. Whorls * Catalogue of Crania in Acad. Nat. Sci., Philadelphia, by J. Aitken Meigs, M. D. Manta Indian crania. 1863.] 280 PROCEEDINGS OF THE ACADEMY OE but slightly convex, sutures well impressed. Color light greeu, with usually a lighter baud below the sutures, and ornamented with narrow or broad brown bands. Aperture canaliculately produced ; outer lip thin ; columella twisted. Dimensions. L. -7, diam. -35 inch. Hab. Nashville, Tenn. Remarks. I owe to Dr, Gould the opportunity of describing this beautiful little species. It differs from P. grossum, Anth., in being more slender, different in color, and in having bauds. The aperture is not nearly so large, proportionally, and the plicse are finer. Description of a new species of TEREDO, from New Bedford, Mass. BY GEORGE "W. TRYON, JR. Teredo Thomsonii, Tryon, t. 2, f. 3, 4, 5. Description. Valves convex, longer than wide ; the body rather stout. Anterior auricle moderate, obliquely sub-triangular ; the posterior auricle small, not very wide, short, somewhat reflected outwards. The dorsal margin does not rise above the beak, and the basal margin does not extend so far down the body, (which it joins almost at right angles,) as the anterior area. The transverse sculpture of the anterior area is sharply sculptured, and becoming much more crowded towards its basal margin. The body, which is surmounted by a narrow beak, and terminates below rather obtusely, has the usual depressed narrow radiating area much more depressed than in the other species, only obsoletely sculptured, and defined anteriorly by a quite prominent rib. The separation of the posterior auricle is determined by a rather strong sulcation. Internally, the shell is glossy and rather smooth ; the posterior auricle overhangs, with a sharp, nearly straight projection. Immediately above this it is concave, then convex ; and is marked by semicircular strong growth lines. Beak with an oblique tubercle. Body with a well developed depression corresponding to the radiating area outside. The usual internal rib is scarcely developed, but the posterior tubercle is very prominent. Apophysis thin, blade-shaped, a little wider at its termination, situated obliquely to the direction of the body, with one edge turned slightly towards it. Pallets obliquely, or sometimes regularly, obovate. The style is short and directed backwards. The margins of the blade are convex, sometimes regularly rounded, and sometimes heart-shaped at the end. From tbe style an elevated ridge extends around a portion of each side of the blade, and is smooth, while the centre, extending to the end, is lunately striate. _ The style extends in the form of a lamina through the centre of the other side of the blade. Tube notconcamerated, rather thick, and frequently much twisted. Hab. Marine Railway and Cedar Buoys, Harbor of New Bedford, Mass. J. H. Thomson. Station. Three or four feet below low water mark. Observation. This new species of Teredo differs from all the others in the very small proportionate size of the posterior auricle, and its not extending basally as low down as the anterior area, in the depressed obsoletely sculp- tured radiating area of the body, and the corresponding internal depression and in many other minor respects. The pallets are not uulike those of T. dilatala, Stimpson, but the shell differs very much. I am much indebted to my valued correspondent, John H. Thomson, Esq., of New Bedford, for over a hundred specimens of this species, and take great pleasure in dedicating it to him as a slight recognition of the services which he has rendered to most of the Conchologists of the United States. In a recent letter, referring to this species, he writes, " I am sorry to say [Oct. NATURAL SCIENCES OF PHILADELPHIA. 281 that their name is legion, even the Cedar buoys in the Harbor only last one season. Teredo navalis, Linn. Accompanying the above were a few valves and tubes of this species. Xylotrya fimbriata, Jeffreys. I also found among the New Bedford Teredx, two pallets, apparently belonging to this species. Xylotrya selacea,Tryon. Mr. Gabb writes to me that this Californian species, which I supposed was quite rare, when I described it, is committing great ravages in the harbor of San Francisco, and is unfortunately very numerous in individuals. Descriptions of two new species of Mexican Land Shells. BY GEORGE W. TRYON, JR. Helix Remondi, Tryon, t. 2, f. 1. Description. Shell narrowly umbilicated, thin, turbinately globose. Epi- dermis very thin, light corneus, with a single narrow chestnut band encir- cling the periphery and visible just above the sutures of the spire. Substance of shell thin and appearing smooth to the naked eye, but under a lens minutely punctate. Whorls four, slightly convex, the last rounded, scarcely descending. Base of the shell convex, but with a narrow angle around the umbilicus. Aperture rotundately semi-lunar ; lip slightly expanded and reflected ; the margins not approaching on the columella, which is entirely free from callus. Dimensions. Diam. maj. 17. min, 15, alt. 12 mill. Habitat. Cinaloa, near Mazatlan. Auguste Reniond. Observations. This pretty species resembles, in some respects, H. Trypan- omphala Pfr. from "Sierra Maestra, Mexico," but evidently differs somewhat in form, and particularly in that of the lip. I name it after our Corresponding Member, M. Auguste Remond, of the C.ilfornia Survey, who collected it and kindly sent it to me for description. The two specimens before me are almost precisely alike in form and size. Helix ventrosula, Pfr. Near Mazatlan ; M. Remoud. Not previously reported from the West Coast of Mexico. Glandina turris, Pfr. Near Mazatlan, M. Remond. Cyclotus Cooperi, Tryon, t. 2, f. 2. Description. Shell widely umbilicate, globosely turbinate, rather thick, covered with a corneous epidermis, unmarked except by crowded and rather deeply cut growth lines. Spire conoidal, more or less depressed. Whorls 41 to 5, convex. Lip simple, straight, acute; the junction of the margins scarcely angulated, and merely touching the body of the shell above. Aperture white and shining within. Operculum ? Dimensions. Diam. maj. 16, min. 14, alt. 12 mill. Long, apert. 7 mill. Habitat. Cinaloa, near Mazatlan. Auguste Remond. Observations. This species is not unlike C. translucidum, Sby., in form, but has a wider umbilicus, is much thicker in texture, and the growth lines are strongly impressed. Named after Dr. J. G. Cooper, Zoologist of the California State Geological Survey. Nov. 3d. The President, Mr. Lea, in the Chair. Twenty-four members present. Dr. Leidy exhibited specimens of Nostoc pruneiforme, brought by Mr. Scattergood from a fresh-water lake, in Maine. 1863.] 282 PROCEEDINGS OF THE ACADEMY OF Mr. Abbott exhibited a number of jasper lance beads, similar to those re- cently described by him in a paper presented to the Academy. The additional specimens were obtained, together with a stone axe, from an Indian grave, in the vicinity of Trenton, N. J. Mr. Abbott further remarked, that he had recently witnessed extraordinary numbers of Belone truncata in the Delaware and Raritan Canal. He also stated that he had noticed that the flesh of the Lepidosteus appeared to pos- sess poisonous properties. Nov. 10th. The President, Mr. Lea, in the Chair. Twenty seven members present. The following were presented for publication and referred to Com- mittees : " Notes on the Birds of Jamaica. By W. T. March, with remarks by S. F. Baird." Pt. ii. " Addition to the Catalogue of Stars which have changed their colors." By Jacob Ennis. u The Causes of the changes which have occurred among the Stars." By Jacob Ennis. Nov. 17th. The President, Mr. Lea, in the Chair. Twenty-three members present. The following were presented for publication and referred to Com- mittees : " Synopsis of the Species of Strepomatidse. Pt. i." By Geo. W. Tryon, Jr. " Notes on some species of Rapacious Birds," and " Notes on the Picidse, continued." By John Cassin. " Notes on the species of Sebastes," &c, " Description of the genus Oxyjulis," " Description of the genus Stereolepis," and " Note on some recent additions to the Ichthyological Fauna of Massachusetts." By Theo. Grill. Dr. Leconte called attention to specimens of fresh-water shrimps, from the Mississippi, opposite Vicksburg, presented by him this evening. The Committee on Proceedings, laid on the table the published num- ber for August and September. Nov. 24th. The President, Mr. Lea, in the Chair. Twenty-four members present. On report of the respective Committees, the following were ordered to be published in the Proceedings : [Nov. NATURAL SCIENCES OF PHILADELPHIA. 283 (Communicated by the Smithsonian Institution.) Notes on the BIRDS of Jamaica. BY W. T. MARCH. With remarks, BY 8. F. BAIRD. (Continued from page 154.) II. CUCULIDjE. 85. Saurothera vetula. We have met with several nests of the Old Man Bird in this district in the season of 1862, hut all with young birds. According to a note I made of a nest taken in 1848, "The old man bird builds a loose nest of sticks in low bushes, though sometimes more elevated, and lays 34 eggs, light green, clouded partially with a thinly dispersed chalky substance, measuring 1 T 7 g by a little more than 1 inch," and I find the accuracy of this note confirmed by eggs collected this season, 1863. 86. Piaya pluvialis. The nest of the Rainbird is sometimes found in the lowlands, but more frequently in the hills, it is a rough deep cup made of dried sticks loosely put together, and lined with leaves, &c, and generally contains 3 4 white eggs, oval or oblong oval rounded at both ends, variable in size, measuring 1| to 1 by 1^. Mr. Gosse's informant must have been mistaken in the eggs he described as belonging to Saurothera. PSITTACIDjE. I have had no opportunity of seeing a perfect specimen of any of the Macaws said to have been found on the Island. On one of my professional visits to Montego Bay, in 1834, I saw in the possession of a settler from the Mountains of St. James, near Accompong, the head, wings, and tail of a Macaw, which he said he had shot near Maroon Town. I did not at the time take sufficient interest in this branch of Natural History to note the particulars, but I have a perfect recollection that the head and neck were a bright green with red in the forehead and chin, the tail blue and red, and the wing blue and green. About two years after, Mr. Richard Elmas Breary, then residing in the Moun- tains of St. James, assured me that he had on one occasion, whilst traversing the Mountain road from St. James to St. Elizabeth, seen three blue and yel- low Macaws flying high overhead from one ridge to another. Whether the Macaws be permanent residents, or only occasional visitors, I have not heard of any being seen since 1849. Sir Hans Sloane, in his History of Jamaica, pub- lished in 1725, mentioned a blue and yellow parrot. The next notice of the Macaw as found in the Island is by Patrick Brown. In his History of Jamaica, page 472, he states that he has seen one or two in the woods of St. Ann's, and he calls them the blue Macaw of Edwards, evidently the same species as that mentioned by Sloane ; they both refer to a 2d species as introduced. The next is recorded by Robinson, (1765,) and was said to have been shot by Mr. Odell, ten miles east of Lucea, in Hanover ; this is supposed by Mr. Grosse to be either A. tricolor, or an undescribed species. Mr. Hill speaks of others found in the Mountain district, between St. Ann's and Trelawny, which an- swer the description of A. militaris ; and the Rev. Mr. Coward's birds seen in flight in 1842, in St. Elizabeth, were blue and yellow. All the species of the smaller Psittacidse of the Island breed in decayed hollows in the trunks of old trees, generally high up, laying three or four eggs on a slight bedding of trash feathers, and debris of rotten wood ; several pairs of the yellow bill have been known to build in one cavity when the space was sufficiently commo- 1863.] 284 PROCEEDINGS OP THE ACADEMY OF dious ; tliey sometimes make their nests in those tangled masses of trailing plants found enveloping the lofty trees in the dense highland forests. I, once in the parish of St. John, saw a nest of the black bill taken from such a mass of Bignonia echinata, which had formed a natural bridge over a chasm between two precipitous rocks. The perroquets sometimes select the abandoned nests of the Duck and Termites. This appears, however, to be an exception to the general habit, and only when the nest embraces the trunk or a large branch of the tree. I have unfortunately mislaid my notes of the eggs of the Parrots and Woodpeckers, and have had no opportunity of procuring any for several years. During the breeding season, from March until August, the Parrots mostly retire to the deep woods on the highest mountain ridges, occa- sionally, however, returning to the lower ranges of hills and valleys, when, tempted by the berries or fruit of some forest tree, then in bearing, or by young maize or ripe bananas on the grounds, or corn fields of the mountain settler ; but in these raids they never remain very long at one time, some- times descending in the morning and returning to the higher hills in the even- ing, at other times remaining for a few days only. The small species are 82. Chrysotis collaria, L. (Psittacus leucocephalus, Gosse.) The yellow- billed parrot is more generally distributed in lower ranges than the others ; the iris is usually hazel, but in some is greyish yellow. I have often met with mature individuals of this species in summer livery, spotted all over, the upper plumage with blue and yellow spangles. We have a caged bird which puts on this change every summer. 81. Chrysotis agilis. (Psittacus agilis, Gosse.) I have never seen more than a few stragglers of this species in the lower hills. It appears to be almost re- stricted to the 'higher ranges. 197. Conurus nanus. ( C.Jlaviv enter, Gosse.) From specimens I have at dif- ferent times collected, these appear to be distinct species. PICIDJE. 83. Picus VARUTS. I have never met this species of Woodpecker, unless one I saw in possession of Mr. Hill, a few years back, belonged to it. Mr. Hill obtained in from Manchester. It was grayish white marked with reddish brown spots. 82. Centdrus radiolatus, Wagler. This is a very common species, found at all times in every part of the Island, from the sea coast to the highest moun- tain ridges. TROCHlLIDsE. 23. Lampornis mango, L. The " Doctor bird" is very common in the low- lands, as well as in the mountains. Their breeding season seems to extend from February to July ; the nest is a neat cup, generally with a flat bottom worked on the branch, but it is sometimes in a fork with a conical bottom, varying in size, the largest about 2 inches across, and a little more than 1 inch in depth on the outside, and f of an inch within. In the lowlands it is constructed of down of Eriodendron and some species of Asclepiasj in the mountains, of these and of Ochroma lagopus and Tillandsia. It is always stuccoed on the outside with a whitish lichen. The eggs are oblong, rounded at both ends, pure white, and measure 11-1 6ths by 7-16ths. The nest is easily detected, as the bird always hovers round the intruder on his approaching it, as if inclined to attack him. 24. Aithurds polytmus. {Trochilus polytmus, Gosse.) This species is not uncommon in the lowlands from April till September, but is met with on the hills at all times. It is found abundant in the vicinity of the groves of [Nov. NATURAL SCIENCES OF PHILADELPHIA. 285 Jambosa vulgaris, (Rose Apple). The wall of the nest is rather thicker than that of the preceding, and is generally made altogether of down, covered, some thickly, others sparely, on the outside with spider 'swebs, lichen or moss ; the eggs are pellucid white, and like the thin-shelled eggs of small birds, have a tawny stripe before they are blown ; they are oblong, rounded at both ends, and measure 9-16ths by 6-16ths. The long feathers of the tail vary from 8 to 11 inches. 191. Aithurus fuliginosus, Hill.* I have met with this second species of long-tailed Humming bird only in St. Ann's. The male is smoky -black, with the long tail feathers, the female brown, and without the tail feathers. I have mislaid my note of the dimensions, but the male is smaller than the A. polytmus. 25. Mellisuga humilis. f The length of this bird varies from 2\ to 2 inches. It appears to breed at all seasons, as I have found nests in every month of the year. The nest is made sometimes wholly of down, at other times thinly covered on the outside with lichen, moss, or spider's webs ; it is generally about an inch high and the same in diameter ; the cup barely h an inch within, some being much smaller ; the eggs are oblong, rounded at both ends, pellucid white, tawny before they are blown, and measure 15-32ds by ll-32ds. 79. Mellisuga minima. This diminutive species of Honey Sucker, though not uncommon in the mountains, is rarely met with in the lowlands. About the Penns in the neighborhood of the Moneague they are abundant, building generally in the low shrubs about Walton and other pastures in the Moneague district. The nest is built of down and spider's webs, and the largest I have met with was only | of an inch in height, and less than an inch in depth within the cup. The eggs are pellucid white, oblong, rounded at both ends, and are only 5-16ths by 3-16ths. The dimensions of this diminutive bird are, length 1 jg, expanse 2 T 5 g, flexure y|. 78. There is another species of small humming bird, rather larger than M. humilis, with the plumage of a bright metallic or bronzed green. The nest and eggs are a little larger than those of M. humilis. 192. Trochilus maria, Hill.f I have never met with this species, which is very rare, only three specimens having been recorded, according to my infor- mation. I have been told of another distinct humming bird found on the Dry Harbor Mountains, but have never seen it. CAPRIMULGID^E. 10. Chordeiles popetue. The large night or Mosquito Hawk retains here all the habits, attributed to it on the Continent. This species I have only met with from April to October, but the Chordeiles minor is a permanent resident as I have obtained specimens in nearly every month during the year. They are rather a twilight than a night bird, lying during the day on the ground or ledges of rocks, or on lateral branches of trees ; taking wing only in heavy cloudy weather, or immediately after rain, in the dusk of the evening, at early dawn, or on bright moonlight nights. The eggs are deposited on any slight elevation, in the open pasture or savanna, free from any shade ; they are often found on a spot where bush has been burnt off, and in the moun- * I do not know where this species is described ; it may be the T. stellatus of Gosse referred to by Mr. Gould, (B.) ' J t Mr. Gould considers this as identical with M. minima, (B.) X This species is considered by Mr. Gould to be identical with Aithurus polytmus. {j This species is not distinguished from the next by Gosse. (B.) 1863.] 286 PROCEEDINGS OF THE ACADEMY OP tains on the ledges of rocks. The male does not appear to take any part in the work of incubation, as I have never seen more than one bird near a nest- ing place, and I am sure I have seen the nuptial contact performed on the wing. Two eggs are generally laid, yet seldom more than one is found at any spot. If the nest be disturbed, the bird will remove the egg in its mouth to another spot at a distance ; this I have seen done several times on the Salina, at Great Salt Pond. The eggs are oblong oval, resembling dark colored pebbles, varying in size. I have noted several varying from 1 by |, to 1 yg by one inch ; they are grey stone color, dashed all over with Vandyke brown and grey slaty marbling, but they differ a great deal in the shades of color. 214. Chokdeiles minor. (C. virginianus, Gosse.) Wherever the C. popetue is found, there the small Piramidig will be seen in company. Their habits and nidification are alike, the only differences I have observed being in the size of the bird, the length of the wing, and the eggs ; these latter vary in form and coloring as much as those of the large night hawk ; they measure 1 3-16ths by a trifle over of an inch, some rather more or less ; they are some- times grayish or bluish white, clouded all over or on the smaller half only with bistre-brown and slaty marbling. The egg mentioned by Mr. Gosse, (p. 40), probably belonged to this species. The dimensions of the bird are, length 8 8J- inches ; expanse 19 19$ inches ; flexure 6| inches. 190. Siphonornis americanus, Sclater. (Proc. Zool. Soc, 1861, 77.) The first I saw of this bird was a specimen from near Linstead, St. Thomas in the vale. It was one of a pair that were lying lengthwise on a lateral branch of a dead tree, crouched closely to the branch. One was shot, and the other flew into a thick foliaged Mango tree close by, where it concealed itself so effectually that it could not be detected though a strict search was made for it. I am informed they are often met with in the Saint Catharine Hills. 11. Nyctibius jamaicensis. The common Potoo is widely distributed throughout the Island, in the plains as well as in the highlands. It is said to lay on the ground two eggs, larger, but very like those of the Clwrdeiles. I have never met with either nest or eggs. 12. Nyctibius pallidus. The white-headed Potoo is a mountain bird, and more rare than the preceding. 189. Nyctibius .The tawny brown Potoo is of frequent occur- rence in the cool glades and gullies of the lower hills ; it is rather smaller than the common Potoo , possibly immature individuals of that species. The plumage is grayish white marked with reddish brown. I have never seen it far from the foot of the hills. It is sometimes found on the banks of the Rio Cobre, above Spanish Town. The two American Antrostomi are said to be found in the Island, but I have never seen or heard a specimen of either. CYPSELIDJB. 13. Ch.etura collaris. (Acanthylis collaris, Gosse.) This species is abund- ant in some parts of the island, but they are seldom seen, except in overcast, cloudy weather, or immediately before or after rain, towards evening ; when they leave their cavernous retreats, in the rocky ranges of hills in which they are domiciled, to feed on the insects brought out by the damp atmosphere. The localities in which I have often seen these martins are in the neighbor- hood of the Ferry and Healthshire in St. Catharine, and on the line between St. Ann's and St. Mary's and St. Thomas' in the Vale, and there they are seen, on a fine evening after the rain, with some other species of Hirundines, skimming over the adjacent plains and fields, attracted by the myriads of in- sects ; they are either wholly or in part resident during the entire year, and [Nov. NATURAL SCIENCES OF PHILADELPHIA. 287 breed in the fissures of the rocks, in places in which, though I have often seen them enter, I was unable to follow from their narrowness. The eggs are pure white. 14. Tachoknis phojnicobia. We have here, with the Palm Swift, an in- stance of a total change from natural habits induced by adventitious circum- stances. Previous to 1854, the habitat of the Palm Swift was altogether confined to the palm-trees, in this district (St. Catharine), and to the cocoa- nut palms near the coast at Wreck Bay, Healthshire, Port Henderson and Dawkins Pen, at Passage Fort. In that year a colony of them established themselves on two cocoanut palms in Spanish Town, one near the centre of the town, the other at the northeast corner, and there they remained until, in 1857, the palm at the northeast was taken down and the other divested of the lower fronds, and the Swifts turned adrift. They were then for the first time observed flitting about the lower pinzzas of the House of Assembly, the upper part of this building having been previously occupied by the H.fulva. In a short time these prior occupants were driven out, and a considerable colony of Palm Swifts now occupy the lower colonade in front of the ground- story used as public oflices, where they build on the tops of the end walls, or at the angles formed by the beams and joists. None resort to the upper piazza ; but they pertinaciously drive away the H. fulva on every attempt they make to effect a lodgment. Small colonies of the Palm Swifts last year (1862) again returned to the palm in the centre of the town, but the large colony still retained its position in the buildings. The nests are here built in clusters, without the elaboration found on those in the palm spathes. Each nest contains two or three long-oval, pellucid white eggs 10-16ths to 12-1 6ths by 7-16ths. Before the eggs are blown, the yolk gives them a pale amber tint. Two small colonies of the H.fulva have this year (1863) effected a lodgment in the upper piazza of the buildings, but they have an unquiet time of it, the Palm Swifts keeping up a continuous warfare with them. 15. Cypselus niger. This, like the preceding species, is rarely seen, ex- cept in early dawn, or in dull, cloudy weather, or after rain in the afternoon. I have sometimes procured specimens from Healthshire and the St. Catharine Hills. The only place of their actual resort I know, is a cave on the lower St. Catharine's Hills, near the Ferry, where they dwell in the narrow, deep galleries and fissures of the limestone rocks. TYRANNIDJE. 48. Tyrannus griseus. (J". Dominicensis, Gosse.) The number of Petch- aries departing from, or remaining in, the island seems to depend in a great measure on the supply of insect-food consequent on a dry or wet summer. There is some confusion in Mr. Gosse's first quotation from Mr. Hill's notes, the emigration of the Petchary occurring in October, and the immigration in early spring. The word migratory in the first paragraph of the quotation evidently refers to those birds forming the band of migrants preparing to de- part from, and not to their actual departure from or return to, the island. The facts as I have observed them are, that during the last few days in Au- gust or the first in September, the Petcharies quit their usual haunts and resort to the pastures, savannahs and adjacent hills and valleys along the coast, both on the north and south sides of the island. During the day they keep to the woodlands, but an hour or two before sunset they congregate on the tall trees around the ponds about the pastures and savannahs, and in the vicinity of river-courses and mangrove swamps, wherever their insect-food is most abundant, to take their evening meal before roosting for the night ; and there, perched several in rows on the most elevated, dry branches, they dart about uttering their peculiar cry and capturing insects, always returning to their perch to devour their prey. In a few days they become exceedingly fat, 1863.] 288 PROCEEDINGS OP THE ACADEMY OP and are then shot in great numbers for the table. Early in October, gene- rally within the first three or four days, they depart, taking a southwesterly direction, leaving, however, many of their numbers, no doubt composed of the permanent residents or the late nestlings ; and many more, meeting with a plentiful supply of their favorite food in some localities, are tempted to re- main. Soon after the departure of the migratory flocks, those remaining resume their accustomed haunts, both in the highlands and lowlands, where, in solitary pairs, they occupy, as their particular domain, some lofty tree, in the possession of which they remain till the following August, permitting no intruder to interfere with their occupation. The cocoanut palm is often selected by them from its being usually the most lofty. The migrants, on their return in the spring, usually the end of March, or early in April, (the period varying in different localities, ) gradually disperse, and, like the resident birds, occupy their selected tree in solitary pairs. They immediately commence the work of nidification. In St. Catharine's, the first nest I have found was on the 14th of April, and the latest about the same date in July. They sel- dom build in their perch tree, selecting generally some lower tree near to it ; some make their nests high, others low, usually at the extremity of a lateral branch of the cashaws, (Prosopis juliflora and Acacia tortuosa ;) the nest is a rather loose structure of twigs and stems of trailing plants, with the cup of fibre, grass, or horse-hair, frequently of all intermixed. They lay three, rarely four, long oval eggs, measuring from 1^ by f or 13-16ths of an inch, clayish white, or light cream-color, dashed principally round the large end, some thickly, others more sparingly, with blotches and spots of burnt sienna. and slaty or pale bistre cloudings beneath. 49. Tyrannus ca0difasciatus. The Loggerhead is found, though not so abundant as the Petchary, in all parts of the island ; when the latter congre- gate in September, previous to their leaving the island, they are joined by this species ; these, however, are permanent residents, and do not emigrate. The Loggerhead is never willingly shot by the sportsman, as it seldom puts on even a slight degree of fat, though it is sometimes mistaken for its con- gener and thus falls a victim bj its unfortunate association. Their habits are in most respects those of the Petchary ; the nest is of the same size, formed of similar materials, and built in similar situations ; it usually lays three, rarely four, oval eggs, light drab or dark cream-color, dashed as those of the Petchary, with burnt ochre and slaty markings, and are more uni- formly 1 by | of an inch. I have specimens without the occipital crest. 50. Myiakchus validus, Cab. (Tyrannus crinitus, Gosse.) The Red Petch- ary of the South and the Red Loggerhead of the mountains and Western districts agrees with the common Loggerhead in its general habits, except that of association ; it is always found solitary, or in pairs ; in its nidification it is totally different ; the nest, like that of the other Myiarchi and smaller fly-catchers, is a slight matting of twigs and leaves, lined with cow's or goat's hair, placed in a fork or indentation or decayed hollow near the top of a tree, wherever a convenient lodgment for the materials is found, and sometimes on the decaying summit of the tree ; never in a deep hollow. It lays three or four, sometimes five, longish oval eggs, 1 T 3 g by $ of an inch, clayish white, splashed with spots and scratches, and about the large end with blotches of Vandyke-brown, and pale sepia, and slaty spots. 47. Myiakchus stolidus. Of the three species of fly -catchers known here as Tom Fools* for I believe the three to be distinct the black-cap Tom Fool * Mr. March has transmitted specimens of all his three supposed species of smaller Jamaican Myiarchi; but I am not at present prepared to pass judgment upon their claims to distinctive rank. S. F. B. _._ [Nov. NATURAL SCIENCES OP PHILADELPHIA. 289 appears to answer the description of Gosse's Foolish Petchary : his dimen- sions are, "length 1h inches, expanse 10t, flexure 3, tail 3, leg nearly 1, bill (not given by Gosse) f by 5-16ths at the base." His description, "Iris hazel, bill black, feet blackish grey, upper parts bistre brown, darker on the head, paler on the back, basal part of the outer edge of the primaries nar- rowly chestnut, greater and mid coverts, secondaries and tertiaries edged and tipped whitish. Tail even, feathers broadly edged inwardly with chestnut. Cheeks grey, mottled ; chin, throat and forebreast greyish white ; breast, belly, vent, under tail coverts, and interior of wing pale yellow. Head feathers erectile. The female has the primaries and tail feathers edged with whitish instead of chestnut," (this is not constant.) This and the next spe- cies, if they be really distinct, build in hollow stumps, bamboos, and decayed hollows of low trees, a matting of leaves and down intermixed with soft hair: and sometimes pieces of snake's and lizard's skins are found in the nest of this as well as of the other smaller species of fly-catchers ; they all seem to have a predilection for the hollow, decayed stumps of the upright Cerei. The nest of this is often found in a pengirin plant ; the eggs are usually three, oval or longish oval, cream or yellowish drab, splashed with umber and slaty spots. They measure 15-16ths by ll-16ths of an inch. 215. Myiarchus . The common Tom Fool is like the preceding in general habits, but differs otherwise in many respects. The bill is ^ by nearly ^ an inch wide at the base ; the length the same. The wings a little longer. The entire upper plumage bistre brown ; the markings of the wing coverts imperfectly defined and rusty white ; the feathers of the head close and com- pact, and not darker than the rest of the upper plumage. The chin, throat, head and sides dappled grey, lighter on the breast, rest of the under plumage and under wing coverts yellowish. This species often builds in the thatch or shingles under the eaves of houses and house gutters. I have one nest found in the shell of an old gourd, which bad fallen into a forked branch of the tree, and remained there until the pulp decayed. The coloring of the eggs is lighter than that of the preceding. Myiarchus . The greater Tom Fool approaches the Red Petchary (M. validus) in general habits and nidification, but the plumage is that of the black cap. The bill is much stouter than either of the preceding ; the four cover- ing feathers of the tail edged with white at the tips ; the length over eight inches. It will sit perched for hours on a dry branch of some tall tree, from which it now and then makes a short flight after some passing insect, uttering a harsh, shrill note or cry, (somewhat like pip-pir-e-pir-ee,) captures its prob- and immediately returns to its perch. It builds, like the M. validus, a slight matting in the hollow at the top of a decaying tree or tall stump. The eggs are four, longish oval, about 1 by f of an inch, pale green, splashed with burnt sienna and slaty spots, partially confluent at the large end. 212. Myiarchcs *. This is the second specimen (both females) I have met with of this " curiously-feathered bird." This one was obtained, with the eggs, at Two-mile Wood Savannah, near Spanish Town. It appears to be an individual of the last species in adventitious plumage. The nest, a slight matting, was taken from the hollow top of a decaying tree. The eggs four, oval, pale green, splashed with burnt umber and slaty spots, partially con- fluent on the large end, measured 1 by ll-16ths of an inch. The three species or varieties known as our Tom Fools are subject to albinism. 194. El^enia cotta. This species of fly-catcher was at one time supposed to be confined to the southwest parishes, but I have, within the last five or six years, found it abundant about the south mid-land districts during the * Probably a partial albino of M. stolidus (B.) 1863.] 21 290 PROCEEDINGS OF THE ACADEMY OF winter months. It does not, however, seem to breed there. During the breeding season, from April till September, it appears to retire to the hills. I have several nests and eggs sent to me as identified with the species, but I cannot rely on the authority. Some were evidently eggs of Blacicus and Contopus. The nests were the same. I last year obtained from St. John's a nest and three eggs, which one of my sons, on whose information I can gene- rally rely, assured me belonged to this species. The nest is constructed ot similar materials to that of the Tom Kelly, but rather smaller and not pen- dant ; the eggs dull white, splashed all over with burnt umber dots, confluent about the large end, and measure 6-8ths by f of an inch. I have not yet met with Elcenia fallax. May it not be the immature state of the preceding ? In the yearling birds of both the Petchary and Logger- head the concealed crest is, for the first six months, entirely absent, then audimentary white and gradually assumes the yellow or red color pertinent to the species. 46. Blacicus tristis. (Myiobius tristis, Gosse.) Both the flat bills are generally found sitting in solitary sadness on low branches of trees and shrubs in the mountain waysides ; but this species rarely in the lowlands. The nest is, like that of the Myiarchi, a matting of grass, bark and hair placed in hollow stumps or bamboos. The eggs are oval, usually three, measuring 13-16ths by ll-16ths of an inch ; creamy or clayish white, splashed all over with burnt umber and pale bistre spots and scratches. 45. Contopus pallidus. (Myiobius pallidus, Gosse.) This, like the pre- ceding species, is found most abundant in the hills. It is, however, of more frequent occurrence in the lowlands. The eggs and nidification are the same. The coloring of the eggs lighter and the spots rather larger. COTINGID^E. 51. Hadrostomus niger, (Tityra lenconotus, Gosse.) The large mass sent in the first collection of nests is constructed by the Black Shrike; the nest is built generally in the centre, but sometimes at the bottom or on one side ; the nest itself is small ; other small birds often occupy portions of the structure. The mass, when taken, measured three feet long, by two feet across, and about twelve inches thick, and was suspended from a lateral branch of a lofty Santa Maria tree. There were three small nests on it ; the first at one side of the middle , apparently the nest of the preceding year ; the two others were near the bottom ; the concealed nests had three rotten eggs of the Shrike, the other had two fresh eggs like those of Glossiptila. The eggs of the Shrike are usually three, oval, dull white, thickly splashed all over with pale bistre or slaty spots, principally about the large end, and measure one and one eighth to one and three-eighths by thirteen-sixteenths. The structure is sometimes an irregular roundish mass with a profusion of materials hanging loosely about it like that sent in the second cluster of nests. The Grass Finches, Cotton Tree Sparrow, Soursop bird, and other small birds often build their nests in the mass formed by the Shrike. TURDIDjE. 30. Mimus orpheus, Linn. (M.polyglottus, Gosse.) The tropic Nightingale or Mocking bird is very social in its habits, and is found in every part of the Island. The nest is usually built in low trees or shrubs, often close to a dwelling or frequented path ; it is a loose structure of twigs, generally thorny, with a shallow cup about two inches deep and four inches across, made. of grass fibre, hair, wool, cotton, shreds of cloth, and many other kinds of material, the lining being generally hair or fibre. The eggs are oval or long oval, some more pointed than others, olive green splashed all over, but more thickly at the larger end, with umber dashes and splashes intermixed [Nov. NATURAL SCIENCES OF PHILADELPHIA. 291 with pale brown spots ; they vary in size as well as form, one and three- sixteenths, by thirteen-sixteenths or fourteen-sixteenths, to one inch by six- eighths. The Mocking bird, when taken young, is easily domesticated, but does not live many years in confinement. If a nest of young birds be taken and placed in a cage near the nestling place, or within a mile of it, the parent birds will find them out and tend and feed them until they are able to care for themselves, but if they are not then removed, and the parents still have access to them, they will, on finding the young unable to escape, poison them, using the berries of a Cestrum or Solarium for the purpose. This I have often tested. This year I took a nest of young birds, and captured the female at the same time; at first the male brought them for food berries of Malpighia Guiacum, and Hamelia and insects, and after a few days, finding his mate still in confinement, brought the berries of Cestrum respertinum. The young ones died first, and during the next day the female also died ; several of the berries were found in the cage. This may almost appear a fiction, but it is here an established fact to many persons. When young and in the nest, large maggots are generally found under the skin of the shoulders and head. The Mocking birds are very bold, and will fearlessly attack any one interfering with their nest, as exemplified by a curious fact which recently occurred. A pair has been for several years accustomed to build in an Auruaria, growing in the public square, but this year (1862,) early in the season, a pair of Logger- heads, Tyrannus caudifasciatus, appropriated the same tree to themselves, and commenced constructing their nest. The Mocking birds were seen constantly in the square, but never interrupted or interfered with them until they had nearly completed the nest ; they then drove away the Loggerheads, took possession of it, adding a few sticks to the outwork, laid the eggs and hatched the young brood. The poor Loggerheads hovered about the place in great distress for a few days, but never attempted to regain possession of their property. The Grakle is the most determined enemy the Mockingbird has, destroying their eggs and young without mercy ; when the attack is made by a single pair of Grakles, the Nightingales keep them off with ease, but the marauders sometimes come in a body, and whilst the Mocking birds are engaged in driving away the first comers, the others fall on the nest, and seizing the young or eggs in their claws, fly away with their prey before the return of the Mocking birds. 29. MiMtrs Hillii, March.* (M. orpheus of Hill.) The Spanish Nightingale, or Mocking bird, has many habits of the Thrush. It is, I believe, the bird referred to by Mr. Gosse as Tardus mustelinus. The dimensions are, length 11 ; expanse 13^; flexure 4J; tail 5J. The nest is of similar materials and construction, and rather larger than that of the preceding species ; the eggs are more uniform, the ground color a kind of drab green, thickly splashed all over with small spots of pale madder. This species was formerly thought to be entirely restricted to a short distance, not more than three miles, from the sea beach, from Vere to St. David ; they are now found to be spreading more inland into Clarendon. It is abundant about Passage Fort, Port Henderson, Green Bay, and Great Salt Pond. I have never met with it on the north side. I am informed, but I have had no opportunity of testing the information, that it is to be found about the hills of Rio Bueno, Dry Harbor and Oche Rios ; it is, I dare say, in a more extended range than has come under my observation. At Great Salt Pond and Port Henderson I have often heard it display its remarkable faculty of imitating the notes of other birds, and even the yelping of the puppy, and the mewing of the kitten. I saw, a few years ago in Kingston, in the possession of the late Dr. McGrath, a lively individual of this species, which was perfect in its powers of mimicry. It was fed * This species is verycl.isely related to, if nt the same with M. baJiamensis, Bryant, and it is quite possible that both may be identical with the M. gundlachi, Cab., from Cuba, although the description of the Cuban bird is insufficient to decide the question. S. F. Baird. 1863.] 292 PROCEEDINGS OF THE ACADEMY OF principally on fruits and soaked biscuit. I have never observed in this species the maggots found on the young of the M. orpheus. 27. Turdus aitrantips, Gm. (Merula leucogenys, Gosse.) The Hopping Dick is widely dispersed throughout the mountains as well as the lower limestone hills, and sometimes even to the lowlands; but never goes far from the foot of these hills. The nest is sometimes found in tall trees, but more frequently in low shrubs and bushes; it is a rough mass, composed of roots, twigs, fibre, grass, leaves, stems of trailers, and pieces of trash with a cup formed of the softer materials in the centre, and the bottom of the mass generally cemented with mud. The eggs are oval, sometimes pointed at one end, glaucous white or pale raw sienna, splashed all over with small irregular splashes, and spots of burnt sienna, partially confluent ; they measure one and three-eighths by fifteen-sixteenths of an inch ; the typical eggs have no slaty marking. Individuals of this species are often found in gray mottled plumage. 28. Tr/RDUS jamaicensis, 6m. The Glass Eye is a highland bird, and though often induced to descend to the lower hills in search of food, I have never met with it in the lowlands. The nest is smaller and more compact than that of its congener, and made of similar materials. The eggs are long oval, tapering to one end, glaucous white, dashed all over with dashes and spots of burnt ochre, with slaty or pale bistre spots beneath, confluent at the large end ; measuring one and seven-sixteenths by about one inch. Both the Thrushes are sweet songsters, with full clear and mellow notes ; those of the Glass Eye are more varied. The Hopping Dick eats insects, but the principal food of both is berries and fruit. They are both easily kept in cages and soon become docile and entertaining in confinement. SYLVICOL1DJE. 38. Dendkoica petechia, L. (Sylvicola aestiva, Gosse.) This species is a con- tant resident and known here as the Mangrove Canary, and is rarely seen far from the sea. The nest is often met with in the mangrove swamps along the coast, built in a fork or two more approximate upright branches, often in a lateral fork; it is a neat cup about three inches across, and as much in depth on the outside and two inches deep within ; the bottom is conical, except when built on a large branch, then it is flat ; some are constructed of grass, roots, fibre, leaves, feathers and debris of sea weeds ; in others, down forms a considerable portion of the outer fabric, but the lining is generally of grass or fibre, sometimes of feathers ; the eggs are three or four, oval, clayish white, splashed all over with umber brown, and pale slaty spots, principally around the large end, and measure three-fourths by half an inch. Stragglers of migratory warblers often remain here during the summer, but this is not constant either as to species or numbers, guided possibly by the anticipation of an inclement or genial summer on the Continent. In 1S62 we observed numbers of most of the species throughout the whole year. In 1863 the only species we have met with (exclusive of No. 38 and 202) are a limited number of D. coronata and D. discolor near Spanish Town and D. tigrina at Healthshire. I think, as a general rule, the migratory Sylvieolidae only arrive in the early part of September ; those observed earlier- are such as have remained during the summer and their young of the year. 36. Dendroica coronata. During the second week in May, 1862, I was informed by one of my sons, that several pairs of Yellow Creepers were building in the large trees of Inga Saman, at the riverside near Spanish Town, but the May rains set in and prevented any further investigation at the time, and when he returned to the place after the rains had ceased, the nests were destroyed. I have this year, 1863, secured one of the birds, which I send, (No. 258.) [Nov. NATURAL SCIENCES OF PHILADELPHIA. 293 37. Dendroica superciliosa, (Sglvicola pensilis, Gosse.) I have not myself met with this species during the summer months, but on the 8th of August, 1862, an old bird, accompanied by two young ones, made their appearance in my garden in Spanish Town; the young birds were evidently too young and weak to have crossed the Sea ; by the 11th of August they became abundant. On mentioning to one of my sons the early appearance of these birds, he told me he had seen them all through the summer flitting about the Cashaw trees in the vicinity of the Town, and called my attention to a specimen he procured at Great Salt Pond on the 4th of June, i862. 26. Mniotilta varia. I am sure I have often seen this species in the mountains during the summer months ; but I have no note of it. I am informed by a gentleman residing on the line of Saint Ann and Saint Mary, that they were abundant in that district during the summer of 1S62, but he did not find any nests. One of my sons saw a pair at Great Salt Pond in June, carrying materials into a Mangrove clump ; he could not, however, detect the nest ; neither of them could mistake the bird, as I had several specimens which were recognized by both unless they were Dendroica pkaretra, a species I have never met with. 31. Geothltpis tricuas. (Trichas marilandica, Gosse.) Stragglers of this species are sometimes met with during the summer. In the early part of May, 1861, I was informed that a pair were building in a garden near Linstead, St. Thomas in the Vale, but the nest was removed by some intruder before it was completed. The birds after a few days disappeared. On the 10th of May, 1862, a fine specimen of this bird, sent in third collection, was obtained at the same place.