4o8 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



? Kronichthys subteres Ribeiro; A^. du- 



seni, Hemipsilichthys cameroni St. 

 Habitat: Santa Catharina. 



Hemiancistrus Bleeker. 



Type: Ancistrus medians Kner. 

 Range: Amazons north to Veragua; 

 Para to western Ecuador and Pacific 

 side of Panama, 

 i. Hemiancistrus annectens (Regan), 



Regan, 225. 

 Habitat: St. Javier and Rio Durango; 

 northwestern Ecuador. 



2. Hemiancistrus medians (Kner), 



Regan, 229. 

 Habitat: Surinam. 



3. Hemiancistrus aspidolepis (Giinther), 



Regan 230. 

 Habitat: Veragua, Pacific slope of 

 Panama. 

 A4. Hemiancistrus brachy tints (Kner), 



Regan, 231. 

 H. pictus of Kner, Giinther and Eigen- 



mann, non Castelnau. 

 Habitat: Rio Negro. 

 A5. Hemiancistrus scaphirhyncltus (Kner), 



Regan, 231. 

 Habitat : Amazons. 

 A6. Hemiancistrus oligospilus (Giinther), 



Regan, 232. 

 Habitat : Rio Capin. 

 A7. Hemiancistrus vittattts (Steindachner), 



Regan, 232. 

 Habitat: Amazons; Paraguay. 

 A8. Hemiancistrus bachii (Boulenger), 



Regan, 233. 

 Habitat: Rio Jurua. 



9. Hemiancistrus schomburgki (Giinther), 



Regan, 233. 

 Habitat: British Guiana. 



10. Hemiancistrus bovallii Regan, 



Regan, 1 906, 96. 

 Habitat: Upper Potaro, British Guiana. 



11. Hemiancistrus megacephalus (Giin- 



ther), Regan, 234. 



? Hypostomus itacua Cuvier & Valen- 

 ciennes; Chcetostomtts macrops Liit- 

 ken. 



Habitat: Guiana. 

 A12. Hemiancistrus platycephalus (Bou- 

 lenger), Regan, 235. 



Habitat: Eastern Ecuador. 



Pterygoplichthys Gill. 



Type: Hypostomus dttodecimalis Cu- 

 vier & Valenciennes. 

 Range: Paraguay to Magdalena. 



1. Pterygoplichthys undecimalis (Stein- 



dachner) , Regan, 226. 



Habitat: Rio Magdalena. 



2. Pterygoplichthys etentaculatus (Spix), 



Regan, 226. 

 Hypostomus dttodecimalis Cuvier & 

 Valenciennes; Ancistrus longimanus 

 Kner. 

 Habitat : Rio San Francisco. 

 A3. Pterygoplichthys gibbiceps (Kner), 



Regan, 227. 

 Liposarcus altipinnis Giinther; Lipo- 



sarcus scrophus Cope. 

 Habitat : Amazons from Gurupa to 

 Nauta. 

 A4. Pterygoplichthys lituratus (Kner), 



Regan, 227. 

 Habitat : Eastern Brazil ; Rio Guapore 

 and Amazons. 

 A5. Pterygoplichthys multiradiatus (Han- 

 cock), Regan, 228. 



Hypostomus pardalis Castelnau ; Lipo- 

 sarcus varius, Liposarcus jeanesianus 

 Cope. 

 Habitat : Amazons and Guiana ; Para- 

 guay. 

 6. Pterygoplichthys anisitsi Eigenmann & 



Kennedy, Regan, 229. 



Ancistrus multiradiatus alter nans Re- 

 gan. 

 Habitat : Paraguay and southern Bo- 

 livia. 



