. Synopsis of the fishes of North America [microform]. Fishes; Poissons. 30. CATOSTOMID/E QUASSILABIA. 143 iu Moxostoma, and the lips are thicker. Size large. {-?.a^, a broad sur- liicc; <p(it'ur:, vhnrynx.) 16§. P* carinatu»i Copu. Body oblong', moderately compressed, heavy at the shoulders. Head very large, 3^ in length of the body. Eye small, behind the middle of the head. Mouth extremely large, the lower jaw oblique when the mouth is closed, tlie mouth, therefore, i)rotractile forwards as well as downwards. Lips very thick, coarsely plicate, the lower lip full an<l heavy, truncate be
. Synopsis of the fishes of North America [microform]. Fishes; Poissons. 30. CATOSTOMID/E QUASSILABIA. 143 iu Moxostoma, and the lips are thicker. Size large. {-?.a^, a broad sur- liicc; <p(it'ur:, vhnrynx.) 16§. P* carinatu»i Copu. Body oblong', moderately compressed, heavy at the shoulders. Head very large, 3^ in length of the body. Eye small, behind the middle of the head. Mouth extremely large, the lower jaw oblique when the mouth is closed, tlie mouth, therefore, i)rotractile forwards as well as downwards. Lips very thick, coarsely plicate, the lower lip full an<l heavy, truncate behind. Head above eveidy rounded or somewhat carl- iiated. Scales G-45-(). Dorsal rays 13; ventral 9. (^olor brassy green above; lower flns red. Great Lakes and Mississippi Valleyj abundant in many streams. ' (Cope, Proc. Amor. Phil. Soc. Phila. 1870, 407; Jordan, Man. Vert. 311; Jordan, 13uU. U. S. Nat. MuH. xii, ) ;iUASSIL4BIA Jordan & Brnytou. Harelip SucJcers. (Lagochila Jordan «fc Brayton, prcoocuincd.) (Jordan & Brayton, Man, Vert. E. U. S. od. 2, 1878, 401: type Lagochila lacera Jordan «fe Brayion.) Suckers like Moxostoma in every respect excepting the structure of ^ the moutn. Head shortish, conical, with lengthened snout; its length 4^5 times iu that of the body, the opercular region being reduced, so that the eye is well backwards. Suborbital bones narrow. Fon- tanelle large, widely open. Mouth large, singular in structure, in- ferior, the upper lip not protractile, greatly i)rolonged, closely plicate. Lower lip much reduced, divided into two distinct elongate lobes, which are weakly papillose. The split between tliese lobes extends backwards to the edge of the deatary bones, which are provided with a rather hard, horny plate, as in Fantostcus. The lov*er lip is entirely sei)arated from the upper at the angles by a deep fissure. The skin of the cheeks forms a sort of cloak over this lissure, the crease separating this skin from the mouth extendi
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectfishes, bookyear1882
