INTRODUCTION lxxxix 



208. Aotus rufipes. Nicaragua? Central America. 



209. Aotus roberti. Matto Grosso, Brazil. 



210. Aotus miriquouina. Argentine Republic, South America. 



211. Aotus boliviensis. Province of Sara, Bolivia. 



212. Aotus lanius. Tolima Mountains, Colombia, South America. 



213. Aotus vociferans. Banks of the Rio Ucayali and Rio Hual- 



laga, and Upper Marafion, eastern border of Peru among 

 the mountains of Tolima. 



214. Aotus griseimembra. Mountains of Santa Marta, Colombia. 



215. Aotus trivirgatus. Region of the Upper Amazon. 



216. Aotus oseryi. "Haute Amazone, Perou." 



217. Aotus gularis. Mouth of the Rio Chocho, on Upper Rio 



Napo, Ecuador. 



218. Aotus microdon. Ecuador. Range unknown. 



219. Aotus spixi. Range and type locality unknown. 



Ateleus. 

 Range of the Genus. 

 Neotropical Region. 

 Range of the Species. 



220. Ateleus paniscus. The Guianas; lowlands of the Lower and 



Upper Amazon ; banks of the Rio Madeira, Rio Marmore, 

 Rio Guapore, and Rio Carara, Brazil; and the Lower Rio 

 Marafion, Peru. 



221. Ateleus marginatus. Para, banks of the Tocantins, and banks 



of the Rio Cupari, a branch of the Rio Tapajos, Brazil; 

 Peru. 



222. Ateleus ater. Panama, Colombia and Eastern Peru. 



223. Ateleus variegatus. Upper Cauca River, Venezuela; Upper 



Rio Negro; Province of Jean de Bracamoros, Peru. 



224. Ateleus rufiventris. Panama into Colombia. 



225. Ateleus grisescens. Unknown. 



226. Ateleus cucullatus. Colombia? 



227. Ateleus belzebuth. Banks of the Orinoco above the rapids of 



Aturas and Maypures. 



228. Ateleus pan. Guatemala, into the State of Vera Cruz, Mexico. 



229. Ateleus fuscipes. Range and type locality unknown. 



230. Ateleus hybridus. Valley of the Magdalena, Colombia. 



231. Ateleus geoffroyi. Costa Rica, Central America, to Colombia. 



South America. 



