392 



I'ATAGOXIAN EXPEDITIONS: ;^<)6lO(;\'. 



Sorubiin caparary Spix ; Platystoma 

 pardalis, orbignianum Valenciennes ; 

 Platystoma punctatum Cuvier & 

 Valenciennes; Platystoma forscli- 

 liammeri Reinhardt. 



Habitat: Rio de La Plata to Paraguay; 

 Rio San Francisco Basin. 



SoRUKi.M Spix. 

 Type : Silnnis lima Bloch & Sclineider. 

 Range that of the single species. 

 A I. Sorubim lima (Bloch & Schneider), 



E. & E., 213. 

 Sonibint infraocularis Spix ; Platy- 

 stoma luceri Weyenbergh. 

 Habitat: Rio de La Plata; Amazons to 

 the Rio Magdalena. 



SORUBIMICHTHYS Bleeker. 

 Type: Sorubim jaiidia Spix. 

 Range: Amazons and Orinoco. 



.\i. Sorubiiiiicltthys plaiiiccps (.Agassi/,), 

 K. & E., 215 

 Sorubim piraiiaca Spix; Platystoma 

 artedii Gunthcr; Sorubiiiiicltthys or- 

 toui Gill. 

 Habitat: Amazon ami Orinoco Basins. 

 .\2. Sorubiiitichtliys spatula (Agassiz), 



E. & E., 217. 

 Sorubim jaiidia Spix. 

 Habitat : Amazon? 

 .\3. Sorubiiitichtliys gigas (Giinther), 



E. & E., 217. 

 Habitat: Huallaga. 



Pi..\TYSTOMATirHrHYS Bleeker. 



Type : Platystoma stnrio Kner. 

 Range that of the single species. 

 A I. Platystoinatichtltys sturio (Kner), 



E. &E., 218. 

 Habitat: Amazon Basin. 



Subfamily DoRADiNTii 



Physoi'Yxis Cojje. 

 Type : Physopyxis lyra Cope. 

 Range that of the single species. 

 A I. Physopyxis lyra Cope, . . E. & E., 220. 

 Habitat: Ambyiacu River. 



Doras Lacepede. 

 Pterodoras, Platydoras Bleeker; Zatho- 

 rax Cope. 

 Type: Silurus costatus Linnaeus. 

 Range: Rios Paragua\- and I'rancisco 

 to Rio Magdalena. 



(LiTHODORAS Bleeker.) 

 (Type : Lithodoras lithogaster Bleeker. ) 

 A I. Doras dorsalis Cuvier & Valenciennes, 

 E. & E., 225. 

 Doras carinatns \'alenciennes, iton Silu- 

 rus carinatus LinniEus; Doras papi- 

 lioiiatus l'"i!ippi ; Doras lithogaster 

 Heckel. 



Habitat: Para; Rio Negro and Cay- 

 enne. 



(Doras Lacepede.) 



.\2. Doras uraiioscopus Eigenmann & Ei- 



genmann, E. & E., 228. 



Habitat: Lake Hyanuary. 

 .\3. Doras granulosus Valenciennes, 



E. & P:., 229. 

 Doras murica Natterer. 

 Habitat: La Plata Basin; .\mazon. 



4. Doras maculatus Valenciennes. 



Habitat: La Plata Basin. 



5. Doras loiigispiiiis Steindachnei . 



E. & E.. 231. 

 Habitat: Magdalena Basin. 

 .\6. Doras regani Steindachner, St., igo8. 



Habitat: Para. 

 7. D<>ras alboiiiaculatus Peters, E. & E., 231. 



Habitat: Calabozo, Venezuela. 

 S. Doras hrlicophilus Giinther, 



E. & E., 231. 



