Prof. Kolliker on the minute Structure of the Bones of Fishes, 71 



Leuciscus rutilus. 

 Leuciscus tincella. 

 Tinea chrysitis. 

 Barbus vulgaris. 

 Barbus elongatus. 

 Barbus obtusirostris. 

 Barbus marginatus. 

 Chohdrostoma risella, Ag, 

 Dangila lipocheila. 

 Labeo niloticus. 

 Catostomus, spec. 'f 



Fam. 3. Characini. 

 Citharinus Geoffroyi. 

 Distiehodus niloticus. 

 Hydrocyon Forskahlii. 

 Alestes dentex. 

 Tetragonopterus mexicanus. 

 Anodus cyprinoides. 

 Leporinus, spec. 

 Pacu taeniurus. 

 Pacu nigricans. 

 Erythrinus unitaeniatus. 

 Macrodon trahira. 

 Piabuca bimaculata. 

 Gasteropelecus sternicla. 

 Chirodon, Girard, n. spec. 

 Brycon, Mull. TV., n. spec. 



Fam. 5. Mormyri, 

 Mormyrus bane. 

 Mormyrops anguilloides. 

 Mormyrus longipinnis. 

 Mormyrus oxyrhynchus. 

 Mormyrus cyprinoides. 

 Mormyrus, spec. 



Fam. 8. Salmones. 

 Salmo salar. 

 Salmo trutta. 

 Argentina silur. 



Fam. 11. Clupeini. 

 Clupea harengus. 

 Alosa vulgaris. 

 Alosa melanura. 

 Coilia Grayi. 

 Engraulis encrasicholus. 

 Engraulis Brownii. 

 Notopterus Pallasii. 

 Macrostoma angustidens,H«550. 



Meletta thryssa. 

 Elops saurus. 

 Megalops cyprinoides. 

 Chatoessus cepedianus. 

 Chatoessus punctatus. 

 Gnathobolus mucronatus. 

 Chirocentrus dorab. 

 Pristigaster, spec. 

 Lutodeira chanos. 

 Butirinus macrocephalus. 

 Hyodon claudulus. 

 Heterotis niloticus. 

 Osteoglossum Vandellii. 

 Osteoglossum formosum. 

 Sudis gigas. 

 Alepocephalus rostratus. 



Fam. 13. Muranoidei. 

 Anguilla vulgaris. 

 Conger myrus. 

 Ophisurus serpens. 

 Nettastoma melanura. 

 Sphagebranchus imberbis. 



Fam. 14. Cfymnotini, 

 Gymnotus electricus. 

 Carapus brachyurus. 



Subclassis II. Ganoidei. 

 Ordo I. HoLOSTEi. 

 Fam. 1. Lepidostdni. 



Lepidosteus platyrhynchus. 

 Fam. 2. Polypterini, 



Polypterus bichir, 

 Fam. 3. AmiidcB. 



Amia calva. 



Ordo II. Chondrostex. 

 Fam. 1. Acipenserini. 

 Acipenser nacarii. 

 Scaphyrhynchus Rafinesquii. 



Fam. 2. Spatularice. 

 Spatularia folium. 



Subclassis III. Dipnoi. 

 Fam. 1. Sirenoidei, 

 Lepidosiren annectens. 



From these facts it follows that the osseous fishes, notwithstanding 

 their great number, are separated in a very remarkable way into two 

 groups, as shown in the following enumeration ; — 



