Social relations between adult males and females of Japanese monkeys in the arashiyama B troop Yukio Takahata OriginalPaper Pages: 1 - 23
A comparison of the demographic structure and growth of free-ranging and captive groups of rhesus monkeys (Macaca mulatta) David Glenn Smith OriginalPaper Pages: 24 - 30
Population dynamics of japanese macaques at ryozenyama: III. Female desertion of the troop Yukimaru SugiyamaHideyuki Ohsawa OriginalPaper Pages: 31 - 44
An ethological study on chimpanzees at the artificial feeding place in the Mahale mountains, Tanzania—with special reference to the booming situation Akio Mori OriginalPaper Pages: 45 - 65
One observed case of cannibalism among wild chimpanzees of the Mahale mountains Kohshi Norikoshi OriginalPaper Pages: 66 - 74
Parturition behaviour in pluriparous Java-macaques (Macaca fascicularis) Annemie KempsPaul Timmermans OriginalPaper Pages: 75 - 88
Structure of social relationships in a captive gelada group: A test of some hypotheses derived from studies of a wild population R. I. M. Dunbar OriginalPaper Pages: 89 - 94
Effects of animate vs. inanimate stimuli on curiosity behavior in greater galago and slow loris Carol JaenickeAnnette Ehrlich OriginalPaper Pages: 95 - 104
Mandible/basihyal relationships in red howler monkeys (Alouatta seniculus): A craniometrical approach Tsuyoshi Watanabe OriginalPaper Pages: 105 - 129
A field manipulation of spatial relations among male mantled howler monkeys Clara B. Jones Short Communications Pages: 130 - 134
A case of adoption of a howler monkey infant (Alouatta villosa) by a female spider monkey (Ateles geoffroyi) Alejandro Estrada Short Communications Pages: 135 - 137
An unusual instance of tool-use among wild orang-utans in tanjung puting reserve, indonesian borneo Birute M. F. Galdikas Short Communications Pages: 138 - 139
Birth Intervals inM. sylvanus of Gibraltar F. D. BurtonL. A. Sawchuk Short Communications Pages: 140 - 144
Hematology of common marmosets (Callithrix jacchus) D. W. McNeesB. J. PonzioB. M. Levy Short Communications Pages: 145 - 150