Woolly Avahi, i. [94]

Woolly Monkeys, i. [204], [220], [221], [248]

Woolly Spider-Monkeys, i. [204], [224], [225], [248]

wurmbii, Papio, ii. [170]

Pithecus, ii. [171]

Pongo, ii. [170]

Simia, ii. [171]

xanthocephalus, Cebus, i. [209]

Xanthochroi, ii. [208], [223]

xanthomystax, Prosimia, i. [71]