. 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. MYXOSTOMA ANISURA. 127 \gJ0âPtycho8tomu8 hrevicepa Cope, Proo. Am. Philos. Soc. Phila. 478. Teretulua brevicepa Jordan & Copeland, Check List, 157,1876. (Name only.) Moxostoma brevicepa Jordan & Gilbert, in Klippart's Rept. 53, 1876. CName only.) Myxoaloma bra-icepa Jordan, Bull. U. S. Nat. Mas. 9, (Name only.) Habitat.âOhio Valley and Great Lakes. This species
. 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. MYXOSTOMA ANISURA. 127 \gJ0âPtycho8tomu8 hrevicepa Cope, Proo. Am. Philos. Soc. Phila. 478. Teretulua brevicepa Jordan & Copeland, Check List, 157,1876. (Name only.) Moxostoma brevicepa Jordan & Gilbert, in Klippart's Rept. 53, 1876. CName only.) Myxoaloma bra-icepa Jordan, Bull. U. S. Nat. Mas. 9, (Name only.) Habitat.âOhio Valley and Great Lakes. This species, first described by Rafiiiesqne in 1820, lias been entirely lost sight of by succeeding writers, and I, doubting the existence in the Ohio River of a species characterized by the marked inequality of the candal lobes, have hitherto followed Dr Kirtland In using the name aimura for the fish recently named collapsus by Professor Cope. Some specimens lately examined by me from the Ohio River have shown the existence of a fish corresponding very closely to Rafinesque's account, aud which really has the inequality of the caudal fin, on which he lays sach emphasis, and which suggested the name anisurus (unequal-tail). This fish appears to be the same as that to which Professor Cope has given the name of hrevieeps. Professor Cope had, however, but a single specimen, in poor condition, and did not notice the falcation of the 1 caudal, or, more likely, that fin was not preserved intact. I have, some I time since, examined Professor Cope's type, preserved in the Museum of the Academy of Natural Sciences, at Philadelphia, and believe it to be identical with M. anhura Raf. The form of the head and body and of the mouth are similar in the two, and the dorsal in both is simi- jlarly falcate. This species resembles aureolum in every respect, except that the [dorsal fin is shorter, and elevated or falcate in front, the free border being deeply incised, and that the caudal tin is similarly e
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