. Contributions to North American Ichthyology [microform] : based primarily on the collections of the United States National Museum. Ichthyology; Fishes, Fresh-water; Fishes; Ichtyologie; Poissons d'eau douce; Poissons. ;>l. lOC^ CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGYâIII. Tbo case 's precisuly like that of the genus of Doves, Leptoptila Swainsou, lately uumed JEiihmnpiila by Dr. Coues, ou acccuut of tbe previous LeptopHlua of ;â(JoitDAN, Hull. U. S. Gcol. Hurv. Terr, vol iv, No. 2, p. 41H, 1878.) "^ ANALYSIS OF gPECI.^S OF QUASSILABIA. *Head short, conica), with lengt


. Contributions to North American Ichthyology [microform] : based primarily on the collections of the United States National Museum. Ichthyology; Fishes, Fresh-water; Fishes; Ichtyologie; Poissons d'eau douce; Poissons. ;>l. lOC^ CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGYâIII. Tbo case 's precisuly like that of the genus of Doves, Leptoptila Swainsou, lately uumed JEiihmnpiila by Dr. Coues, ou acccuut of tbe previous LeptopHlua of ;â(JoitDAN, Hull. U. S. Gcol. Hurv. Terr, vol iv, No. 2, p. 41H, 1878.) "^ ANALYSIS OF gPECI.^S OF QUASSILABIA. *Head short, conica), with lengthened snout, the region between the eyes flattened and with piotniueut mucous ridgos ; cheeks and lower part of head rather swollen; operele much reduced, itn greatest length scarcely greater than the diameter of tbe eye: head about 4| in length : eye 4J in length of head, about 2 in length of the snout, its situation thus nuite posterior; length of the top of the head 1| in the dist," ie« from the snout to the base of Ihe dorsal. Body rather slender, the form being between that of Myxostouia cervinum aud M. macrolepiduium, the depth 4} in the k'lifjtli. Dorsal (in rather low; its rays I, 12; A. I, 7; V. 9. Scales 5-45-5. Color olive or bluish-brown above; sides and belly silvery ; lower find faintly , 1. 1. QUASSILAPIA LACERA Jorda/i, tfc Bruyton. Hare-lip Suckn: Split-mouth Sucker. May Sucker of the Scioto, Cut-lipn. 1877âLatjochila lacera Jokdan & Bkayton, Proc. Ac. Nat. Sc. Phila. 280,1877. Lufiochila lacera Joiioan, Man. Vert. ed. 2d, oil, 1878. Quamlabia lacera Joudan, Man. Vert. td. 2d, 406, lSi'8. Qnamlubia lacera Jokdan, Bull. U. S. Geol. Surv. Terr. 418, 1878. âTennessee River. Scioto River. Only tliree specinieua of this 8iii{fular Sucker are yet known. Two of theso wore taken by Professo; Bray ton and in the Cliickiiii^auga Iii\ '^r at Uinpr{?f>ld, Catoosa County, Georgia, and the other in Elk Uiver near Estill Spii


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