Positional behavior, selective use of habitat substrate and associated non-positional behavior in free-rangingColobus guereza (Rüppel, 1835) M. E. Morbeck OriginalPaper Pages: 35 - 58
Positional behaviour of olive baboons (Papio anubis) and its relationship to maintenance and social activities M. D. Rose OriginalPaper Pages: 59 - 116
Relationship of sexual dimorphism in canine size and body size to social, behavioral, and ecological correlates in anthropoid primates Walter LeuteneggerJames T. Kelly OriginalPaper Pages: 117 - 136
Dynamics of primate bipedal walking as viewed from the force of foot Tasuku KimuraMorihiko OkadaHidemi Ishida OriginalPaper Pages: 137 - 147
Morphology of the soft palate of the vervet monkey (Cercopithecus pygerythrus) P. Cleaton-Jones OriginalPaper Pages: 149 - 157
A preliminary field investigation of the yellow handed titi monkey,Callicebus torquatus torquatus, in Northern Peru Warren G. KinzeyAlfred L. RosenbergerJeffrey S. Trilling OriginalPaper Pages: 159 - 181
Contribution to the study of alimentation of lowland gorillas in the natural state, in Río Muni, republic of equatorial guinea (West Africa) Jorge Sabater Pí OriginalPaper Pages: 183 - 204
Effects of infant-infant separation of young monkeys in a free-ranging natural environment Sheo D. Singh OriginalPaper Pages: 205 - 214
Social grooming and play behavior of a captive group of chimpanzees Nancy J. Merrick OriginalPaper Pages: 215 - 224
The social behavior of a group of baboons (Papio anubis) under artificial crowding Robert H. EltonBrian V. Anderson OriginalPaper Pages: 225 - 234
Laboratory and feral hybridization ofAteles geoffroyi panamensis Kellogg and Goldman 1944 andA. fusciceps robustus Allen 1914 in Panama Richard N. RossanDavid C. Baerg Short Communications Pages: 235 - 237
The differential contribution of premaxillary, maxillary, and palatine dimensions to sexual dimorphism in the adult olive baboon (Papio cynocephalus anubis) Michael I. SiegelWilliam J. Doyle Short Communications Pages: 239 - 241
Founding Meeting of the American Society of Primatologists, Seattle, April 1977 Notes Pages: 242 - 242