Genetic variations within and between troops of the crab-eating macaque (Macaca fascicularis) on Sumatra, Java, Bali, Lombok and Sumbawa, Indonesia Yoshi KawamotoTb. M. IschakJatna Supriatna OriginalPaper Pages: 131 - 159
Mental map in wild chimpanzees: An analysis of hammer transports for nut cracking Christophe BoeschHedwige Boesch OriginalPaper Pages: 160 - 170
Average coefficient of relationship within troops of the Japanese monkey and other primate species with reference to the possibility of group selection Kenichi AokiKen Nozawa OriginalPaper Pages: 171 - 184
Kin selection, social grooming and the removal of ectoparasites: A theoretical investigation Michael J. Reiss OriginalPaper Pages: 185 - 191
Behavioral characteristics of old female Japanese monkeys in a free-ranging group Masayuki Nakamichi OriginalPaper Pages: 192 - 203
Mother-infant separation and reunion in the great apes Mark A. CodnerRonald D. Nadler OriginalPaper Pages: 204 - 217
Early rearing experiences and the performance of affinitive and approach behavior in infant and juvenile baboons Anthony M. Coelho Jr.Claud A. Bramblett OriginalPaper Pages: 218 - 224
The organization of song in the Hainan black gibbon (Hylobates concolor hainanus) Elliott H. Haimoff OriginalPaper Pages: 225 - 235
An investigation of number-concept appreciation in a rhesus monkey Lisa M. Ruby OriginalPaper Pages: 236 - 242
