392 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



Sorubim caparary Spix ; Platy stoma 

 pardalis, orbignianum Valenciennes ; 

 Platystoma punctatum Cuvier & 

 Valenciennes; Platystoma forsch- 

 hammeri Reinhardt. 



Habitat : Rio de La Plata to Paraguay ; 

 Rio San Francisco Basin. 



Sorubim Spix. 



Type : Silurus lima Bloch & Schneider. 

 Range that of the single species. 

 Al. Sorubim lima (Bloch & Schneider), 



E. & E„ 213. 

 Sorubim infraocularis Spix ; Platy- 

 stoma luccri Weyenbergh. 

 Habitat : Rio de La Plata ; Amazons to 

 the Rio Magdalena. 



Sorubimichthys Bleeker. 



Type: Sorubim jandia Spix. 

 Range: Amazons and Orinoco. 



Ai. Sorubimichthys planiceps (Agassiz), 



E. & E., 215 



Sorubim piranaca Spix ; Platystoma 



artedii Gunther; Sorubimichthys or- 



toui Gill. 



Habitat: Amazon and Orinoco Basins. 



A2. Sorubimichthys spatula (Agassiz), 



E. & E., 217. 

 Sorubim jandia Spix. 

 Habitat: Amazon? 

 A3. Sorubimichthys gigas (Gunther), 



E. & E., 217. 

 Habitat: Huallaga. 



Platystomatichthys Bleeker. 



Type: Platystoma sturio Kner. 

 Range that of the single species. 

 Al. Platystomatichthys sturio (Kner), 



E. & E., 218. 

 Habitat: Amazon Basin. 



Subfamily Doradin.*:. 



Physopyxis Cope. 



Type: Physopyxis lyra Cope. 

 Range that of the single species. 

 Al. Physopyxis lyra Cope, . . E. & E., 220. 

 Habitat: Ambyiacu River. 



Doras Lacepede. 



Pterodoras, Platydoras Bleeker; Zatho- 

 rax Cope. 

 Type : Silurus costatus Linnaeus. 

 Range: Rios Paraguay and Francisco 

 to Rio Magdalena. 



(LlTHODORAS Bleeker.) 



(Type : Lithodoras lithogaster Bleeker. ) 

 Al. Doras dorsalis Cuvier & Valenciennes, 



E. & E., 225. 

 Doras carinatus Valenciennes, non Silu- 

 rus carinatus Linnasus ; Doras papi- 

 lionatus Filippi ; Doras lithogaster 

 Heckel. 



Habitat: Para; Rio Negro and Cay- 

 enne. 



(Doras Lacepede.) 



A2. Doras uranoscopus Eigenmann & Ei- 



genmann, E. & E., 228. 



Habitat : Lake Hyanuary. 

 A3. Doras granulosus Valenciennes, 



E. & E., 229. 

 Doras murica Natterer. 

 Habitat : La Plata Basin ; Amazon. 



4. Doras maculatus Valenciennes. 



Habitat: La Plata Basin. 



5. Doras lougispiuis Steindachner, 



E. & E., 231. 

 Habitat : Magdalena Basin. 

 A6. Doras regani Steindachner, St., 1 908. 

 Habitat : Para. 



7. Doras alb omaculatus Peters, E. & E., 231. 



Habitat : Calabozo, Venezuela. 



8. Doras hclicophilus Gunther, 



E. & E., 231. 



