Alliance formation in a free-ranging troop of Japanese macaques Kunio Watanabe OriginalPaper Pages: 459 - 474
On the ecology and behavior ofCebus albifrons in eastern Colombia: I. Ecology Thomas R. Defler OriginalPaper Pages: 475 - 490
On the ecology and behavior ofCebus albifrons in eastern Colombia: II. Behavior Thomas R. Defler OriginalPaper Pages: 491 - 502
Grouping of the wild spider monkey Kosei IzawaKoshin KimuraAlejandro Samper Nieto OriginalPaper Pages: 503 - 512
Tool-using and -making behavior in wild chimpanzees at Bossou, Guinea Yukimaru SugiyamaJeremy Koman OriginalPaper Pages: 513 - 524
Behavioral patterns of estrous females of the Arashiyama West troop of Japanese macaques (Macaca fuscata) Linda Wolfe OriginalPaper Pages: 525 - 534
A review of play in the genusMacaca: Social correlates Nancy CaineG. Mitchell ReviewPaper Pages: 535 - 546
Response to neighbors and strangers by capuchin monkeys (Cebus apella) James D. BeckerGershon Berkson OriginalPaper Pages: 547 - 551
A study of reliability and its hierarchical structure in observed chimpanzee behavior Helena Chmura Kraemer OriginalPaper Pages: 553 - 561
On the correlation between sexual behavior and ovarian hormone level during the menstrual cycle in captive Japanese monkeys T. EnomotoK. SeikiY. Haruki OriginalPaper Pages: 563 - 570
Reproductive development and behavior of captive female chimpanzees Christopher L. CoeAmanda C. ConnollySeymour Levine OriginalPaper Pages: 571 - 582
The relationship between maternal rank and companion choice in immature macaques (Macaca mulatta andM. radiata) Nancy CaineG. Mitchell Short Communications Pages: 583 - 590
Some developmental markers in yellow baboon infants of Mikumi National Park, Tanzania K. L. Rasmussen Short Communications Pages: 591 - 593
Tool-use in free-ranging baboons of Nairobi National Park Ordean J. Oyen Short Communications Pages: 595 - 597
