We wish to thank our fieldworker, Juan Tapullima, and Mr. Carlos Ique for their companionship and help during the trapping and examination of the animals. We also thank the Comit6 Regional de Coordinación del Proyecto Primates no Humanos for their logistical support. We also wish to thank Mr. Michael Madden for the English translation of the manuscript and Dr. Kenneth E. Glander for his help with English phrasing. A Spanish version of this paper was presented at the Symposium on Latin American Primatology, held on the IX Latin American Con gress of Zoology in Arequipa, Peru in October 1983. This research was conducted with the support from the Primate Project AMRO 3171.
