hypoleucus, Cebus, i. [206], [236]; ii. [254], [255]
Semnopithecus, ii. [110], [248]
hypoxanthus, Ateles, i. [226]
ibeanus, Papio, i. [269]; ii. [246]
Papio thoth, i. [269]
ignita, Cercopithecus, ii. [80]
illigeri, Hapale, i. [145]
Midas, i. [145], [146]; ii. [255]
Illiger's Tamarin, i. [145]
Indri, i. [108]