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PATAGONIAN EXPEDITIONS ! ZOOLOGY. 



8. Characidium vintoni Eigenmann. 



Habitat: Shrimp Creek near Kaieteur. 



9. Characidium blcnnioides Eigenmann. 



Habitat: British Guiana. 

 A 10. Characidium zebra Eigenmann. 



Habitat : Rio Branco Basin. 



Characidium pellucidum Eigenmann. 



Habitat : Gluck Island, Essequibo 

 River. 



Characidium pteroides Eigenmann. 



Habitat : Essequibo River. 

 13. Characidium catenatum Eigenmann. 



Habitat : Essequibo River. 

 A 1 4. Characidium brevirostris Pellegrin. 



Habitat: Northern Brazil. 



Archicheir Eigenmann. 

 Type: Archicheir minutus Eigenmann. 



1 1 



12. 



Range that of the single species. 

 1. Archicheir minutus Eigenmann. 



Habitat: Christianburg, British Gui- 

 ana. 



Microcharax Eigenmann. 



Type: Nannostomus lateralis Boulen- 



ger. 

 Range that of the single species. 

 1. Microcharax lateralis (Boulenger). 

 Habitat: Paraguay Basin. 



Jobertina Pellegrin. 



Type: Jobertina interrupta Pellegrin. 

 Range that of the single species. 

 I. Jobertina interrupta Pellegrin. 



Habitat: Serra d'Estrello, Brazil. 



Subfamily PYRRHULlNlNyE. 



Copeina Fowler. 



Type : Pyrrhulina argyrops Cope. 



Range : Amazons. 

 Ai. Copeina nattereri (Steindachner). 



Habitat : Amazons. 

 A2. Copeina guttata (Steindachner). 



Habitat: Amazons. 

 A3. Copeina argyrops (Cope). 



Habitat: Amazons. 



Pogonocharax Regan. 

 Type : Pogonocharax rehi Regan. 

 1 . Pogonocharax rehi Regan, 

 Habitat: Argentina. 



Pyrrhulina Cuvier & Valenciennes. 

 Type: Pyrrhulina filamcntosa Cuvier & 



Valenciennes. 

 Range : Paraguay and Amazons ; Suri- 

 nam. 



Ai. Pyrrhulina lata Cope. 



Habitat: Ambyiacu. 

 2. Pyrrhulina australis Eigenmann & Ken- 

 nedy. 

 Pyrrhulina semifasciata Boulenger (non 



Steindachner). 

 Habitat: Paraguay and tributaries. 

 A3. Pyrrhulina melanostoma (Cope). 



Habitat: Ecuador. 

 4. Pyrrhulina filamcntosa Cuvier & Valen- 

 ciennes. 

 Habitat : Surinam. 

 A5. Pyrrhulina semifasciata Steindachner. 



Habitat: Amazons. 

 A6. Pyrrhulina brevis Steindachner. 



Habitat : Paraguay and Amazons. 

 Ay. Pyrrhulina maxima Eigenmann & Ei- 

 genmann. 

 Habitat: Solimoens. 



Subfamily Aphiocharacin^;. 



Ccelurichthys Ribeiro. 1. Ccclurichthys iporangce Ribeiro. 



Type : Ccclurichthys iporangce Ribeiro. 

 Range that of the single species. 



Habitat : Ribeira. 



