Observations on the population dynamics and behavior of wild chimpanzees at Bossou, Guinea, in 1979–1980 Yukimaru Sugiyama OriginalPaper Pages: 435 - 444
Subtrooping in a chacma baboon (Papio ursinus) population Connie M. Anderson OriginalPaper Pages: 445 - 458
Behaviour of the red howler monkey (Alouatta seniculus) in the Llanos of Venezuela F. BrazaF. AlvarezT. Azcarate OriginalPaper Pages: 459 - 473
Comparisons of nests made by different populations of chimpanzees (Pan troglodytes) P. J. BaldwinJ. Sabater PíC. E. G. Tutin OriginalPaper Pages: 474 - 486
Social organization in captive barbary macaques (Macaca sylvana) Derek WhiteGeoffrey R. Hosey OriginalPaper Pages: 487 - 493
Experimental study on sexual behavior between mother and son in Japanese monkeys (Macaca fuscata) N. ItoigawaK. NegayamaK. Kondo OriginalPaper Pages: 494 - 502
Reproductive seasonality in a free-ranging troop of stumptail macaques (Macaca arctoides): A five-year report Alejandro EstradaRosamond Estrada OriginalPaper Pages: 503 - 511
Infant development in the lion-tailed macaque,Macaca silenus (Linnaeus): The first eight weeks Ajith KumarG. U. Kurup OriginalPaper Pages: 512 - 522
The behavioural repertoire of the grey-cheeked mangabeyCercocebus albigena johnstoni Simon J. Wallis OriginalPaper Pages: 523 - 532
Anterior dental microwear and its relationship to diet and feeding behavior in three african primates (Pan troglodytes troglodytes, Gorilla gorilla gorilla andPapio hamadryas) Alan S. Ryan OriginalPaper Pages: 533 - 550
Karyotypic variation in susceptibility to hemolytic anemia and idiopathic eosinophilia of owl monkeys,Aotus trivirgatus M. F. BelandR. T. BronsonT. L. Keadle OriginalPaper Pages: 551 - 556
A newly-discovered population ofColobus angolensis in East Africa Toshisada NishidaJunichiro ItaniToshikazu Hasegawa Short Communications Pages: 557 - 563
The density ofAlouatta seniculus in the eastern llanos of Colombia Thomas R. Defler Short Communications Pages: 564 - 569
The maternal behavior of a home-reared, language using chimpanzee Diana DavisRoger S. FoutsMark E. Hannum Short Communications Pages: 570 - 573
Estimates of reproductive parameters for free-rangingAteles geoffroyi Katharine Milton Short Communications Pages: 574 - 579
Parturition in rhesus monkeys (Macaca mulatta) Jane TeasHenry G. TaylorCharles H. Southwick Short Communications Pages: 580 - 586
Acinetobacter infection associated with pneumonia in an orangutan William O. IversonMary R. Connelly Short Communications Pages: 587 - 589
