356 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



CURIMATU5 



Range of the characid genus, Prochilodus. 



Range of the characid genus Curimatus. 

 (In Trinidad.) 



"^^^XP^- 



PLECOSTOMUS 



Range of the minute catfishes of the genus Range of the mailed-catfish genus, Pleco- 



Pimelodella. stomus. (In Trinidad.) 



To Illustrate the Origin of the Pacific Slope Fauna. 



