Socio-sexual factors of troop fission in wild Japanese monkeys (Macaca fuscata yakui) on Yakushima Island, Japan Juichi Yamagiwa OriginalPaper Pages: 105 - 120
Female life history and mating patterns among the M group chimpanzees of the Mahale national park, Tanzania Hiroyuki Takasaki OriginalPaper Pages: 121 - 129
Reproductive patterns in mantled howler monkeys: Estrus, mate choice and copulation Clara B. Jones OriginalPaper Pages: 130 - 142
A behavioral profile for stumptail macaques (Macaca arctoides) Robert T. O'KeeffeKenneth Lifshitz OriginalPaper Pages: 143 - 160
New record of predatory behavior by the mandrill in Cameroon Hiroko KudoMasazumi Mitani OriginalPaper Pages: 161 - 167
The acquisition of stone-tool use in captive chimpanzees Kyoko SumitaJean Kitahara-FrischKohshi Norikoshi OriginalPaper Pages: 168 - 181
Comparison of object manipulation among 74 species of non-human primates Takashi Torigoe OriginalPaper Pages: 182 - 194
Differences in male-female interaction betweenLemur fulvus andL. macaco L. KoendersY. RumplerP. Ropartz OriginalPaper Pages: 195 - 201
A review of attempts to condition operantly alloprimate vocalizations John D. Pierce Jr. ReviewPaper Pages: 202 - 213
