Ethological study of the social behavior of hybrid baboons betweenPapio anubis andP. hamadryas in free-ranging groups Kazuyoshi Sugawara OriginalPaper Pages: 429 - 448
Diet and feeding behavior of semi-free ranging mandrills in an enclosed gabonais forest Jeff Norris OriginalPaper Pages: 449 - 463
An ecological comparison of two sympatric primates:Saguinus fuscicollis andCallicebus moloch of Amazonian Peru Janis Crandlemire-Sacco OriginalPaper Pages: 465 - 475
Influence of artificial food supply on population parameters and dispersal in the Hakone T troop of Japanese macaques Fumio Fukuda OriginalPaper Pages: 477 - 492
Development of co-feeding relationships in immature free-ranging Japanese monkeys (Macaca fuscata fuscata) Shinji Imakawa OriginalPaper Pages: 493 - 504
Characteristics of serial cross-sections of hairs of the Japanese monkey (Macaca fuscata fuscata) Haruhisa InagakiHideo Nigi OriginalPaper Pages: 505 - 510
The extensor and peroneal muscles of the crab-eating monkey (Macaca fascicularis) Kunihiko KimuraYutaka TakahashiSotaro Iwamoto OriginalPaper Pages: 511 - 523
Reduction index of the upper M2 in marmosets E. KanazawaA. L. Rosenberger OriginalPaper Pages: 525 - 533
Model of a hypothetical protohominid dentition and its implications for hominid phylogeny Walter W. Ferguson OriginalPaper Pages: 535 - 547
Metachlopromide-induced hyperprolactinemia fails to affect ovarian cyclicity in the common marmosets (Callithrix jacchus) S. D. KholkuteRohini P. PatilC. P. Puri OriginalPaper Pages: 549 - 555
The occurrence of twins and accompanying behavioural changes in the banded langur,Presbytis melalophos Elizabeth L. Bennett Short Communication Pages: 557 - 563
A case of simple tool use in wild liontailed macaques (Macaca silenus) G. Hohmann Short Communication Pages: 565 - 567
Preliminary survey of the distribution and population of chimpanzees in the Republic of Guinea Yukimaru SugiyamaAly G. Soumah Research Report Pages: 569 - 574
