4o8 



PATAGONIAN EXI'KDITIONS : ZOOLOGY 



? Kronkhihys subtcrcs Ribeiro; A', du- 



Siiii. Hcinipsiliclitliys caiiicroiii St. 

 Habitat: Santa Catharina. 



Hemiancistrus Bleeker. 

 Type: Ancistrus medians Kner. 

 Range: Amazons north to Veragua; 



Para to western Ecuador and Pacific 



side of Panama. 



1. Hemiancistrus annectens (Regan), 



Regan, 225. 

 Habitat: St. Javier and Rio Durango; 

 northwestern Ecuador. 



2. Heviiancistrus iiicdiaiis (Kner), 



Regan, 229. 

 Habitat : Surinam. 



3. Hemiancistrus aspidolepis (Giinther), 



Regan 230. 

 Habitat: Veragua, Pacific slope of 

 Panama. 

 A4. Hemiancistrus bracliyunts (Kner), 



Regan, 231. 

 H. pictus of Kner, Giinther and Eigen- 



mann, non Castelnau. 

 Habitat: Rio Negro. 

 A5. Hemiancistrus scaphirhyncltus (Kner), 

 Regan, 231. 

 Habitat: rXmazons. 

 A6. Hciniaiicisints oligospiltts (Giinther), 

 Regan, 232. 

 Habitat: Rio Capin. 

 A7. Heviiancistrus vittatus (Steindachner) . 

 Regan, 232. 

 Habitat: Amazons; Paraguay. 

 A8. Hemiancistrus bachii (Boulenger), 



Regan, 233. 

 Habitat: Rio Jurua. 



9. Hemiancistrus schomburgki (Gunther), 



Regan, 233. 

 Habitat: British Guiana. 



10. Hemiancistrus bovallii Regan, 



Regan, 1906, 96. 

 Habitat: Upper Potaro, British Guiana. 



11. Heviiancistrus megacephalus (Giin- 



ther) Regan, 234. 



.' Hypostovius itacua Cuvier & Valen- 

 ciennes; C/uctiistoiinis niacrops I.iit- 

 ken. 



Habitat: Guiana. 

 A 1 2. Hemiancistrus platyccphalus (Bou- 

 lenger) , Regan, 235. 



Habitat: Eastern Ecuador. 



Pterygoplichtiivs Gill. 

 Type: Hypostovius duodcciiualis Cu- 

 vier & Valenciennes. 

 Range: Paraguay to Magdalena. 



1. Ptcrygopliclithys undccimalis (Stein- 



dachner) , Regan, 226. 



Habitat: Rio Magdalena. 



2. Ptcrygopliclithys cteiitaculatus (Spix), 



Regan, 226. 

 Hypostovius duodccimalis Cuvier & 

 Valenciennes; Ancistrus loiiginianus 

 Kner. 

 Habitat: Rio San Francisco. 

 A3. Pterygoplichtliys gibbiceps (Kner), 



Regan, 227. 

 Liposarcus altipinnis Giinther; Lipo- 



sarcus scrophus Cope. 

 Habitat : Amazons from Gurupa to 

 Nauta. 

 A4. Pterygoplichtliys lituratus (Kner), 



Regan, 227. 

 Habitat: Eastern Brazil; Rio Guapore 

 and Amazons. 

 A5. Pterygoplichtliys viultiradiatus (Han- 

 cock), Regan, 228. 



Hypostomus pardalis Castelnau ; Lipo- 

 sarcus varius, Liposarcus jeanesianus 

 Cope. 

 Habitat: Amazons ami Guiana; Para- 

 guay. 

 6. Ptcrygopliclithys anisitsi Eigenmann & 



Kennedy Regan, 229. 



Ancistrus viultiradiatus alternans Re- 

 gan. 

 Habitat: Paraguay and southern Bo- 

 livia. 



