This volume brings together information about recent discoveries and current theories concerning the origin and early evolution of anthropoid primates- monkeys, apes, and humans. Although Anthropoidea is one of the most dis- tinctive groups of living primates, and the origin of the group is a frequent topic of discussion in the anthropological and paleontological literature, the topic of anthropoid origins has rarely been the foeus of direct discussion in primate evolution. Rather, diseussion of anthropoid origins appears as a ma- jor side issue in volumes dealing with the origin of...