38o 



'AIACOMAN liXTHnniONS : /()()LOr,\' 



1. Bunoccplioliis (Hiiaiirus Eigeninann MS. 



Habitat: British Guiana. 

 A2. Biinocfp/iiiliis I'crntcosiis (Bloch), 



E. & E., 16. 



Habitat: Amazon, below the Madeira. 



3. Bunocephalus doria Boulenger, 



Boulenger, 1902. 

 Habitat: Paraguay. 



4. Buitoccplialiis ihcriiigii Boulenger, 



Boulenger, 1891, 235. 

 Habitat: Rio Grande do .Sul and 

 Paraguay. 



5. Btiiioccplialus riigosns I'^igcnniann & 



Kennedy, 1903, 498. 



Habitat: Paraguay. 

 A6. Buiioccplialus grouovii Blocker, 



E. & E., 17. 

 Habitat: Mouth of Rio Negro and De- 

 marara. 

 A7. Bunoceplialus bicolor Steindachncr, 



E. & E., 17. 

 Habitat : Amazon and its tributaries 

 from Cudajas to Huallaga. 



.\iS. Bmioccphalus iiulas Cope, E. & E., 18. 



Habitat: Peruvian Amazon. 

 .\9. Bmioccphalus knerii Steindachncr, 



E. & E., 19. 

 Habitat : Amazons and tributaries from 

 Cudajas to the Andes of Peru and 

 Ecuador. 

 A 10. Buiioccphalus ixleuropsis Cope, 



E. & E., 19. 

 Habitat: Pebas, Ecuador. 

 II. Bunoceplialus cliaiiunzcliis Eigenmann 

 MS. 

 Habitat: British Guiana. 



Dysichthys Cope. 

 Type : Dysichthys coracoidcus Cope. 

 Range: Nauta; Paraguay. 

 .\i. Dysichthys coracoideus Cope, 



E. & E., 20. 

 Habitat: Xauta. 

 2. Dysichthys aiistnilis Eigenmann & Ward, 

 E. & W., 1907, 113. 

 Habitat: Paraguay. 



Subfamilv .-XsPREDiNix.K. 



Platystacus Bloch 



Type : Platystacus cotylephonis Bloch ; 



Cotylephorus Swainson. 

 Range: Surinam. 

 Al. Platystacus cotylephorus Bloch, 



E. & E., 21. 

 Silicriis hexadactylus Laccpede; ^.y- 

 predo sexcirrhis Cuvicr & Valencien- 

 nes; Aspredo spectrum Gronow. 

 Habitat: Surinam and Rio Para. 

 2. Platystacus nematopliorus Bleeker, 



E. & E., 23. 

 Habitat: Surinam. 



Aspredo Bleeker. 

 Type: Aspredo batrachus (Linnaeus). 

 Range: Guiana to the Araguay. 



• Vaillant has suggested that batrachus may be 

 identical with sicuephorus, in which case the next 

 species should go by the name of batrachus. 



.\i. Aspredo aspredo (Linnaeus), 



E. & E., 23. 

 Platystacus Ucvis Bloch; Aspredo ba- 

 trachus (Linnaeus).^ 

 Habitat: Guiana; Rio Para and Arary. 

 2. Aspredo sicuephorus Cuvier & Valen- 

 ciennes E. & E., 24. 



Habitat: French and British Guiana. 



Chamaigenes Eigenmann. 

 Type: Aspredo filamentosus C. & V. 

 Range that of the single species. 

 I . Chamaigeues filamentosus ( Cuvier & Val- 

 enciennes), E. & E., 24. 



Habitat: Guianas. 



AsTKEUiNlCilTHYS Bleeker. 

 Type: Aspredo tibicen Temmink. 

 Range that of the single species 



