Interindividual distance and influence of dominance on feeding in a natural Japanese macaque troop Takeshi Furuichi OriginalPaper Pages: 445 - 455
One observed case of temporary adoption of an infant by unrelated nulliparous females among wild chimpanzees in the Mahale Mountains, Tanzania Shigeo UeharaRamadhani Nyundo OriginalPaper Pages: 456 - 466
Selecting nest-sites of sumatran organ-utans,Pongo pygmaeus abelii in the Gunung Leuser National Park, Indonesia Jito Sugardjito OriginalPaper Pages: 467 - 474
Spatial relationships between recent mothers and other troop members in red howler monkeys (Alouatta seniculus) Ranka Sekulic OriginalPaper Pages: 475 - 485
Comparison of the communicative vocalizations and behaviors of group ranging in eastern gorillas, chimpanzees and pygmy chimpanzees Akio Mori OriginalPaper Pages: 486 - 500
The social relationships of twin common marmosets (Callithrix jacchus) and their breeding success Alison Woodcock OriginalPaper Pages: 501 - 514
Effects of diet on health, weight and litter-size in captive cotton-top tamarinsSaguinus oedipus oedipus James K. Kirkwood OriginalPaper Pages: 515 - 520
Longitudinal studies on annual changes in plasma testosterone, body weight and spermatogenesis in adult Japanese mankeys (Macaca fuscata fuscata) under laboratory conditions Kiyoaki MatsubayashiTomoo Enomoto OriginalPaper Pages: 521 - 529
Some reproductive parameters of stumptailed macaques (Macaca arctoides) Nancy C. HarveyRamon J. Rhine OriginalPaper Pages: 530 - 536
Carbohydrate tolerance, serum albumin and protein values of normal and “waster” marmosets (Callithrix jacchus) D. W. McNeesR. W. LewisR. F. Sis OriginalPaper Pages: 537 - 545
A new coordinate system using the orbital axis for morphological analysis of primate skulls Shin Matsumoto OriginalPaper Pages: 546 - 566
Structural patterns of enamel in the superfamily Ceboidea Yasuo NogamiMasaaki Yoneda OriginalPaper Pages: 567 - 575
Development of infant twin Japanese monkeys (Macaca fuscata) in a free-ranging group Masayuki Nakamichi Short Communications Pages: 576 - 583
Ecological and behavioural information onBrachyteles arachnoides C. Torres de Assumpção Short Communications Pages: 584 - 593
Chimpanzees of Sapo Forest, Liberia: Density, nests, tools and meat-eating James R. AndersonElizabeth A. WilliamsonJanis Carter Short Communications Pages: 594 - 601
Further evidence of insect consumption in the bearded saki monkey,Chiropotes satanas chiropotes Russell A. MittermeierWilliam R. KonstantEspedito Cordeiro da Silva Jr. Short Communications Pages: 602 - 605