INTRODUCTION 

 Genus Cacajao. 



liii 



Cacajao Less., Spec. Mamm., 1S40, p. 181. Type Simia 



melanoccphala E. GeofFroy. 



Page 



193. Cacajao calvus Vol. I, 301 



194. Cacajao rubicundus " I, 304 



195. Cacajao melanocephalus " I, 305 



Genus Saimiri. 



Saimiri Voigt, Cuv. Thierr., I, 1831, p. 95. Type Simla 

 sciurea Linnaeus. 



196. Saimiri sciureus Vol. I, 310 



197. Saimiri cassiquiarensis 



198. Saimiri macrodon 



199. Saimiri madeir.e 



Saimiri ustus 



Saimiri boliviexsis 



200. 

 201. 



202. Saimiri b. nigriceps 



203. Saimiri cerstedi ... 



Subfamily C. Aotin.^. 



Genus Actus. 



AoTUS Humb., Rec. Obs. Zool. et Anat. Comp., 1811, 



(1815), pp. 306, 356, pi. XXVIII. Type Simia trivir- 

 gata Humboldt. 



204. AoTUS INFULATUS Vol. II, 5 



205. AOTUS NIGRICEPS " H. 8 



206. AOTUS SENEX " 11, 8 



207. AoTUS RUFIPES " 11, 9 



208. AoTUS ROBERTI " II, 10 



209. AoTUS MIRIQUOUINA " II, 10 



210. AoTUS BOLIVIENSIS " II, 11 



211. AoTUS LANIUS " 11,12 



212. AOTUS VOCIFERANS " II, 13 



213. AoTUS GRISEIMEMBRA " II, 15 



