4io 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



Cochliodon hypostomus Heckel ; Lori- 



caria melanoptera Natterer. 

 Habitat : Amazon to Paraguay. 



Panaque Eigenmann & Eigenmann. 



Type: Chcctostomus nigrolineatus Pe- 

 ters. 

 Range : Goyaz to Xeberos and Magda- 

 lena. 

 A i. Panaque dentex (Giinther), 



Regan, 243. 

 Habitat : Xeberos. 

 2. Panaque cochliodon (Steindachner) , 



Regan, 243. 

 Chcctostomus gibbosus Steindachner 



and Panaque gibbosus Regan. 

 Habitat : Magdalena Basin. 

 A3. Panaque nigrolineatus (Peters), 



Regan, 244. 

 Habitat: Goyaz; Venezuela. 



Chaetostomus Tschudi. 



Type: Chcctostomus loborhynchus 



Tschudi. 

 Range : Mountains north of Peru to 

 Panama and Venezuela. 

 1. Chaetostomus loborhynchus Tschudi, 



Regan, 246. 

 Habitat: Andes of western Peru. 

 A2. Chcctostomus marcapata Regan, 



Regan, 246. 

 Habitat : Marcapata Valley, eastern 

 Peru. 

 A3. Chcctostomus brevis Regan, 



Regan, 246. 

 Habitat : Rios Bomboiza and Zamora, 

 eastern Peru. 

 A4. Chcctostomus taczanowskii Steindach- 

 ner, Regan, 247. 



Habitat : Rios Huambo and Tortora, 

 eastern Peru. 

 A5. Chaetostomus dermorhynchus Bou- 

 lenger, Regan, 248. 



Habitat : Eastern and western Ecuador 

 6. Chaetostomus fischeri Steindachner, 



Regan, 248. 

 Habitat: Rio Mamoni near Chepo. 



8. Chcctostomus stanii Liitken, Regan, 248. 



Habitat: Puerto Cabello, Venezuela. 



9. Chcctostomus guairensis Steindachner, 



Regan, 249. 

 Habitat: Caracas, Venezuela. 



10. Chaetostomus marginatus Regan, 



Regan, 249. 

 Chccstovius microps Boulenger, non 



Giinther. 

 Habitat : Salidero, northwest Ecuador. 

 All. Chcctostomus branickii Steindachner, 



Regan, 250. 

 Habitat : Callacate, eastern Peru. 



12. Chcctostomus anomalus Regan, 



Regan, 250. 

 Habitat: Merida and neighboring 

 mountains, Venezuela. 



13. Chcctostomus thomsoni Regan, 



Regan, 250. 

 Habitat : Villeta, Colombia. 



14. Chcctostomus nudirostris Liitken. 



Regan, 251. 

 Habitat: Valencia, Venezuela. 



15. Chaetostomus microps Giinther, 



Regan, 251. 

 Hypostomus erinaceus Giinther, non 



Cuvier & Valenciennes. 

 Habitat : Western slope of Ecuador. 



Xenocara Regan. 



Type: Chcctostomus latijrons Giinther. 

 Range : Peru to Guiana. 

 Ai. Xenocara latijrons (Giinther), 



Regan, 253. 

 Habitat : Peruvian Amazon. 

 A2. Xenocara gymnorhynclius (Kner), 



Regan, 254. 

 ? Hypostomus nudiceps Miiller & Tro- 

 schel. 

 Habitat : Venezuela and Guiana ; Paraguay. 



