Factors affecting party size and composition of chimpanzees (Pan troglodytes verus) Bossou, Guinea Osamu Sakura OriginalPaper Pages: 167 - 183
Chimpanzee arrival pant-hoots: Do they signify food or status? Adam P. ClarkRichard W. Wrangham OriginalPaper Pages: 185 - 205
Day-journey length and daily diet of solitary male gorillas in lowland and highland habitats Juichi YamagiwaNdunda Mwanza OriginalPaper Pages: 207 - 224
Adult male replacement and social change in two troops of hanuman langurs (Presbytis entellus) at Jodhpur, India Govindasamy Agoramoorthy OriginalPaper Pages: 225 - 238
A primate survey in northern Bolivia, with special reference to Goeldi’s monkey,Callimico goeldii A. ChristenT. Geissmann OriginalPaper Pages: 239 - 274
Transfer index and mediational learning in tufted capuchins (Cebus apella) Carlo De LilloElisabetta Visalberghi OriginalPaper Pages: 275 - 287
Alpha-male sooty mangabeys differentiate between females’ fertile and their postconception maximal swellings Deborah A. Gust OriginalPaper Pages: 289 - 301
Computer data recording and DATAC 6, a BASIC program for continuous and interval sampling studies J. D. PatersonP. KubicekS. Tillekeratne OriginalPaper Pages: 303 - 315