. The fishes of North and Middle America [microform] : a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Fishes; Fishes; Poissons; Poissons. Jordan and Iivcrniann.âFishes of North America. 230.'i iilong iiiiddlu of sidcH, and a faiDter one alon;; bast; of anal, furnied Ity â¢lurker uiarginM tatcst depth immediately behind insertion of anal iin, thence tajteriug to a very narrow tail. Head narrow, cuboid, (â (impressed, the upper surface nearly piaue, the cheeks vertictA. Eyes very small, superior, with little l
. The fishes of North and Middle America [microform] : a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Fishes; Fishes; Poissons; Poissons. Jordan and Iivcrniann.âFishes of North America. 230.'i iilong iiiiddlu of sidcH, and a faiDter one alon;; bast; of anal, furnied Ity â¢lurker uiarginM tatcst depth immediately behind insertion of anal iin, thence tajteriug to a very narrow tail. Head narrow, cuboid, (â (impressed, the upper surface nearly piaue, the cheeks vertictA. Eyes very small, superior, with little lateral range; diameter of orbit about i'-, l(ni,'th of head; snout very short, about equaling orbit; anterior nostril in a short tube; gape snbvertical, the lower Jaw very heavy, projecting. as ill I'ranoscopus; premaxillaries protractile, the processes reat^hing far bciiind orbits; lips fringed; both jaws with bands of villiforni teeth; no teeth on tongue, vomer, or palatines. Subopeicle and iuteropercle very wide, llexible, striate, the latter overlapping throat and of ventral tins, the former wholly covering base of pectoral fins; the striations of oitorde terminate posteriorly in a wide, coarse, membranaceous fringe; hrauchiostegal membranes not united, free from the isthmus; pubic bones forming a sharp projection at throat; no pseudobranchiie; gills small, a loniid pore behind the fourth. Dorsal beginning on the nape, its distance fronv snout about eciualing depth of body, the first 6 rays shorter than tlidse following and not connected by membrane; as no traces of articula- tion can be found, they are probably flexible spines, but are not clearly (lilVerentiated from those immediately following; origin of anal under fourth dorsal spine; caudal distinct, narrow, short; ventrals inserted luuler anterior margin of preopercle; ventrals 2 in head; ptu-torals \^. Scales large, with entire edges, wanting on head, breast, and region Iioliind pectoral fins. Lateral line
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisher, booksubjectfishes
