On the division of a natural troop of Japanese monkeys at takasakiyama Yukimaru Sugiyama OriginalPaper Pages: 109 - 148
An example of fission of a natural troop of Japanese monkey at gagyusan Yoshio Furuya OriginalPaper Pages: 149 - 179
A field experiment on the process of group formation in the Japanese monkey (Macaca fuscata), and the releasing of the group at Ôhirayama Masao Kawai OriginalPaper Pages: 181 - 255
