DARIS R. SWINDLER is Professor Emeritus of Anthropology at the University of Washington, Seattle. His main research interests are in primate anatomy and dental studies of early primate dental development, comparative dental morphology and odontometrics of living and fossil primates, and Pacific dental anthropology. He has written or edited nine previous books including An Atlas of Primate Gross Anatomy: Baboon, Chimpanzee, and Man (1973) with C. D. Wood, The Dentition of Living Primates (1976), Systematics, Evolution and Anatomy: Comparative Primate Biology Vol. 1 (1986) with J. Erwin, Paleont...