400 



PATAGONIAN EXPEDITIONS : ZOOLOGY. 



A20. Pygidium eigenmanni (Boulenger), 

 Boll. Mus. Torino, XIII. 

 Pygidium knerii Eigenmann & Eigen- 



mann, non Steindachner. 

 Habitat : Cumbaca. 

 A21. Pygidium vittatum (Regan), 



Regan, 1903. 

 Habitat: Marcapata Valley, Eastern 

 Peru. 

 A22. Pygidium dispar (Tschudi), 



E. & E., 335. 

 Habitat: Eastern and western slopes of 

 Ecuador. 



23. Pygidium punctulatum (Cuvier & 



Valenciennes), E. & E., 336. 



Habitat : Western slopes of Peruvian 

 Andes. 



24. Pygidium burmeisteri Berg, ....1895. 



Habitat: Mendoza, Argentina. 



25. Pygidium goeldii (Boulenger), 



Boul., 1896. 

 Habitat: Rio de Janeiro. 



26. Pygidium retro pinnis (Regan), 



Regan, 1903. 

 Habitat : St. Augustine, Andes of Co- 

 lombia, 5,000 feet. 



27. Pygidium nigromaculatum (Boulen- 



ger), E. & E., 336. 



Habitat : Colombia. 



28. Pygidium pardus (Cope), 



E. & E., 337. 

 Habitat: Jequetepeque ; Callao Bay. 

 A29. Pygidium immaculatum Eigenmann 



& Eigenmann E. & E., 337. 



Habitat: Juiz de Fora ; Sao Matheos; 

 Goyaz. 

 A30. Pygidium taczanoivskii (Steindach- 

 ner), E. & E., 338. 



Habitat: Rio de Huambo; Rio de Tor- 

 tora. 

 31. Pygidium nigricans (Cuvier & Valen- 

 ciennes) E. & E., 338. 



Habitat: Santa Catharina. 

 A32. Pygidium amazonicum (Steindach- 

 ner), E. & E., 338. 



Habitat: Cudajas. 



33. Pygidium borellii (Boulenger). 



Habitat: Bolivian Chaco; Salta Argen- 

 tina. 



34. Pygidium quechuorum Steindachner, 



St., 1902, 49. 

 Habitat: Arequiba, Peru. 



35. Pygidium proops Ribeiro, Ribeiro, 1908. 



Habitat: Rio Ribeira. 



36. Pygidium guianensis Eigenmann, 



E., 1909, 11. 

 Habitat : Potaro River, British Guiana. 



37. Pygidium barbouri Eigenmann MS. 



Habitat: Rio Beni. 



Eremophilus Humboldt. 



Thricomycterus Humboldt; Trachypoma 

 Giebel. 

 Type: Eremophilus mutisii Humboldt. 

 Range that of the single species. 

 1. Eremophilus mutisii Humboldt, 



E. & E., 274. 

 Trachypoma marmoratum Giebel. 

 Habitat: Bogota. 



Tridens Eigenmann & Eigenmann. 



Type : Tridens melanops Eigenmann & 



Eigenmann. 

 Range : Upper Amazons. 

 Ai. Tridens melanops Eigenmann & Ei- 

 genmann. 

 Habitat: I<;a. 

 A2. Tridens brevis Eigenmann & Eigen- 

 mann. 

 Habitat: Tabatinga. 



Pseudostegophilus Eigenmann & Eigen- 

 mann. 



Type: Stegophilus nemurus Giinther. 

 Range that of the single species. 

 Ai. Pseudostegophilus nemurus (Giinther), 



E. & E., 34i- 



