388 



PATAGONIAN EXPEDITIONS : ZOOLOGY. 



Habitat: Subterranean waters of 

 Marajo. 



PIMELODUS Lacepede. 

 Pseudariodes Bleeker ; Pseudorhamdia 



Bleeker. 



Type : Silurus clarias Bloch. 

 Range : Rio de La Plata to Panama. 

 Ai. Pimelodus cyanostigma (Cope), 



E. & E., 164. 

 Habitat: Pebas, Ecuador. 

 2. Pimelodus quadrimaculatus (Bloch), 



E. & E., 164. 

 Habitat: America. 



A3. Pimelodus ornatus Kner, E. & E., 168. 

 Habitat: Paraguay; Brazilian Ama- 

 zons and northward. 

 4. Pimelodus albicans (Valenciennes), 



E. & E., 169. 

 Habitat: Rio de La Plata to Matto 



G rosso. 

 AS. Pimelodus pictus Steindachner, 



E. & E., 170. 



Habitat : Maranon to Hyaray. 

 A6. Pimelodus clarias (Bloch), 



E. &E., 171. 



Pimelodus maculatus Lacepede; Pimelo- 

 dus rigidus Spix; Pimelodus blochii 

 Cuvier & Valenciennes; Pimelodtis 

 arekaima Schomburgk; Mystus as- 

 cita Gronow ; Pimelodus macronema 

 Bleeker ; Pseudariodes pantherinus 

 Liitken ; Pseudorhamdia piscatrix 

 Cope; Piramutana macrospila Giin- 

 ther. 

 Habitat : Rio de La Plata to Panama. 



7. Pimelodus valenciennis Kroyer, 



E. & E., 1 80. 



Pimelodus nigribarbis Boulenger. 

 Habitat : Rio de La Plata to Paraguay 

 and San Francisco. 



8. Pimelodus grosskopfii Steindachner, 



E. & E., 1 80. 



Habitat : Magdalena Basin. 

 Ap. Pimelodus altipinnis Steindachner, 



E. & E., 1 80. 



Habitat: Amazon and northward. 

 Aio. Pimelodus fur (Reinhardt), 



E. & E., 182. 



Pimelodus maculatus Kner, non Valen- 

 ciennes ; Pimelodus microstoma 

 Steindachner. 



Habitat : Rio Paraguay ; Rio San Fran- 

 cisco and Amazon. 



1 1 . Pimelodus spegazzinii Perugia, 



Perugia, 1891, 32. 

 Habitat: Rio Durango. 



12. Pimelodus argenteus Perugia, 



Perugia, 1891, 31. 

 Habitat : Rio de La Plata ; Rio Parana. 



GCELDIELLA Eigenmann & Norris. 



Type : Pimelodus eques Mtiller & 



Troschel. 



Range that of the single species. 

 Ai. Gceldiella eques (Mtiller & Troschel), 



E. & E., 166. 



Habitat : Brazilian Amazons and north- 

 ward. 



IHERINGICHTHYS Eigenmann & Norris. 



Type : Pimelodus labrosus Kroyer. 

 Range : Rio de La Plata Basin. 



1. Iheringichthys labrosus (Kroyer), 



E. & E., 1 80. 

 Habitat: Rio de La Plata Basin. 



2. Iheringichthys megalops Eigenmann & 



Ward, E. & W., 1907, 115. 



Habitat: Bahia Negra on the Para- 

 guay. 



PIMELODELLA Eigenmann & Eigenmann. 



Type : Pimelodus cristatus Miiller & 

 Troschel. 



Range : La Plata to Panama and west- 

 ern Ecuador. 



A I. Pimelodella cristata (Miiller & Tros- 

 chel), E. & E., 150. 



Pimelodus agassizii Steindachner ; 

 Pimelodus ophthalmicus Cope. 



Habitat: North of the Mucuri to Peru 

 and Ecuador. 



