Group size in folivorous primates: ecological constraints and the possible influence of social factors Colin A. ChapmanMary S. M. Pavelka Original Article 10 June 2004 Pages: 1 - 9
Kinematic analysis of bipedal locomotion of a Japanese macaque that lost its forearms due to congenital malformation Naomichi OgiharaHiraku UsuiMasato Nakatsukasa Original Article 06 August 2004 Pages: 11 - 19
Incisor-molar relationships in chimpanzees and other hominoids: implications for diet and phylogeny Martin Pickford Original Article 21 October 2004 Pages: 21 - 32
Changes in testicular and nipple volume related to age and seasonality in Japanese macaques (Macaca fuscata), especially in the pre- and post-pubertal periods Yuzuru HamadaJuri SuzukiSeiji Hayakawa Original Article 30 September 2004 Pages: 33 - 45
Form and function of the oblique cord (chorda obliqua) in anthropoid primates Biren A. Patel Original Article 07 July 2004 Pages: 47 - 57
Intestinal parasites and bacteria of mountain gorillas (Gorilla beringei beringei) in Bwindi Impenetrable National Park, Uganda Gladys Kalema-ZikusokaJessica M. RothmanMark T. Fox Original Article 26 August 2004 Pages: 59 - 63
An additional specimen of a large-bodied Miocene hominoid from Chiang Muan, northern Thailand Yutaka KunimatsuBenjavun RatanasthienBantita Udomkan Short Communication 12 August 2004 Pages: 65 - 70
Does relative economic value of food elicit purposeful encounter in the yellow baboons (Papio hamadryas cynocephalus) of Ruaha National Park, Tanzania? Sharon T. Pochron Short Communication 31 August 2004 Pages: 71 - 74
Dario Maestripieri (ed): Primate psychology Masayuki Tanaka Book Review 09 November 2004 Pages: 75 - 76