liv INTRODUCTION 



Page 



214. AOTUS TRIVIRGATUS Vol. II, 16 



215. Aotus OSERYI " II, 17 



216. Aotus gularis " II, 18 



217. Aotus microdon " II, 18 



218. Aotus spixi " II, 19 



Subfamily D. Cebin^e. 



Genus Ateleus. 



Ateles ( !) E. Geoff., Ann. Mus. Hist. Nat. Paris, VII, 

 1806, p. 262. Type Simla paniscus Linnaeus. 



219. Ateleus paniscus Vol. II, 28 



220. Ateleus ater II, 30 



221. Ateleus variegatus " II, 31 



222. Ateleus marginatus " II, 34 



223. Ateleus rufiventris " II, 36 



224. Ateleus grisescens II, 37 



225. Ateleus cucullatus II, 38 



226. Ateleus belzebuth II, 39 



227. Ateleus pan " II, 41 



228. Ateleus fusciceps " II, 43 



229. Ateleus geoffroyi " II, 44 



230. Ateleus hybridus " II, 47 



Genus Brachyteleus. 



Brachyteles ( !) Spix, Sim. et Vespert. Bras., 1823, p. 36, 

 pi. XXVII. Type Brachyteles ( !) macrotarsus Spix, 

 = Brachyteles (!) arachnoides (E. Geoffroy). 



231. Brachyteleus arachnoides Vol. II, 50 



Genus Lagothrix. 



Lagothrix E. Geoff., Ann. Mus. Hist. Nat. Paris, XIX, 

 1812, p. 106. Type Lagothrix cana E. Geoffroy. 



232. Lagothrix lagotricha Vol. II, 56 



233. Lagothrix lugens 



234. Lagothrix thomasi 



235. Lagothrix ubericola 



236. Lagothrix cana 



237. Lagothrix infumata 



" II, 



58 



" II, 



59 



" II, 



60 



" II, 



60 



" II. 



62 



