cxxvi GENERA AND SPECIES 



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Pithecia chrysocephala 294 



Pithecia albinasa 295 



Pithecia satanas 296 



Pithecia chiropotes 297 



Cacajao 299 



Cacajao calvus 301 



Cacajao rubicundus 304 



Cacajao melanocephalus 305 



Saimiri 307 



Saimiri sciureus 310 



Saimiri cassiquiarensis 311 



Saimiri macrodon 312 



Saimiri madeirae 313 



Saimiri ustus 314 



Saimiri boliviensis 315 



Saimiri b. nigriceps 316 



Saimiri cerstedi 316 



