title: The species of sakis, genus Pithecia (Cebidae, Primates), with notes on sexual dichromatism.
abstract: Recognized species of sakis, South American monkeys of genus Pithecia (Cebidae), are P. hirsuta Spix, P. monachus E. Geoffroy, P. albicans Gray, P. pithecia Linnaeus. Evolutionary stages in sexual dichromatism in sakis and other primates are noted.
mesh_terms: D000818:Animals; D005260:Female; D006200:Hair Color; D000882:Haplorhini / Q000033:anatomy & histology / Q000145:classification*; D008297:Male; D012737:Sex Factors; D013020:South America