Newly-acquired pre-cultural behavior of the natural troop of Japanese monkeys on Koshima islet Masao Kawai OriginalPaper Pages: 1 - 30
An ecological study of wild Japanese monkeys in snowy areas Akira Suzuki OriginalPaper Pages: 31 - 72
Home range, mating season, male group and inter-troop relations in hanuman langurs (Presbytis entellus) Yukimaru SugiyamaKenji YoshibaM. D. Pathasarathy OriginalPaper Pages: 73 - 106
Preliminary survey of the orang-utan in North Borneo (Sabah) Tsuneya Okano OriginalPaper Pages: 123 - 128
