Difference in food selection between patas monkeys (Erythrocebus patas) and tantalus monkeys (Cercopithecus aethiops tantalus) in Kala Maloue National Park, Cameroon, in relation to nutrient content Naofumi Nakagawa Original Article Pages: 3 - 11
Positional behavior of free-ranging Japanese macaques (Macaca fuscata) Kaoru Chatani Original Article Pages: 13 - 23
Three acoustic forms of Allen's galagos (Primates; Galagonidae) in the Central African region Lesley Ambrose Original Article Pages: 25 - 39
Comparative morphology of the hyo-laryngeal complex in anthropoids: two steps in the evolution of the descent of the larynx Takeshi Nishimura Original Article Pages: 41 - 49
Altitudinal and seasonal variations in the diet of Japanese macaques in Yakushima Goro HanyaNaohiko NomaNaoki Agetsuma Original Article Pages: 51 - 59
Increase in tannin consumption by sifaka (Propithecus verreauxi verreauxi) females during the birth season: a case for self-medication in prosimians? Valentina CarraiSilvana M. Borgognini-TarliMassimo Bardi Original Article Pages: 61 - 66
Successful reproduction in wild-released orphan chimpanzees (Pan troglodytes troglodytes) BenoƮt GoossensJoanna M. SetchellAliette Jamart Short Communication Pages: 67 - 69
Long distance mobility of male Japanese macaques evidenced by mitochondrial DNA Ikuya YoshimiHiroyuki Takasaki Short Communication Pages: 71 - 74