Palm-fruit cracking behavior of wild black-capped capuchin (Cebus apella) Kosei IzawaAkinori Mizuno OriginalPaper Pages: 773 - 792
Social relations in a free-ranging troop of stumptail macaques (Macaca arctoides): Male-care behaviour I Alejandro EstradaJuan M. Sandoval OriginalPaper Pages: 793 - 813
Mother-infant dyad behavior in the oregon troop of Japanese macaques R. Daniel MurrayKatherine Mayer Murdoch OriginalPaper Pages: 815 - 824
Empirical choice of sampling procedures for optimal research design in the longitudinal study of primate behavior Helena C. KraemerByron AlexanderDavid Riss OriginalPaper Pages: 825 - 833
Complementarity and symmetry in social relationships of nonhuman primates Ted D. Wade OriginalPaper Pages: 835 - 847
Experimental analysis of the nature of social context in captive groups of squirrel monkeys (Saimiri sciureus) Elizabeth A. Vaitl OriginalPaper Pages: 849 - 859
Social context as a structuring mechanism in captive groups of squirrel monkeys (Saimiri sciureus) Elizabeth A. Vaitl OriginalPaper Pages: 861 - 874
Diurnal variation of common behaviors of pigtail monkeys (Macaca nemestrina) J. Martenson Jr.M. OswaldJ. Erwin OriginalPaper Pages: 875 - 882
Social play behavior of the common marmoset (Callithrix jacchus Erxl., 1777) in captivity Eckart Voland OriginalPaper Pages: 883 - 901
Effects of orbitofrontal lesions on social behavior in a confined group of stump-tail macaques (Macaca speciosa) Michael H. MillerEllen R. Levine OriginalPaper Pages: 903 - 912
Chimpanzee bipedal locomotion in the Gombe National Park, East Africa Harold R. Bauer OriginalPaper Pages: 913 - 921
Experimental protein malnutrition during gestation and breeding performance of squirrel monkeys,Saimiri sciureus Sohan L. ManochaJames Long OriginalPaper Pages: 923 - 930
A brief survey of the primates of Coiba Island, Panama Katharine MiltonRussell A. Mittermeier Short Communications Pages: 931 - 936
Observations onCebus capucinus in Southwestern Panama John D. BaldwinJanice I. Baldwin Short Communications Pages: 937 - 941
On the behaviour of siamang after playback of their calls David J. ChiversJohn MacKinnon Short Communications Pages: 943 - 948
Adult male replacement in a group of silvered leaf-monkeys (Presbytis cristata) at Kuala Selangor, Malaysia Katherine E. WolfJohn G. Fleagle Short Communications Pages: 949 - 955
Interspecific play between free ranging guerezas (Colobus guereza) and vervet monkeys (Cercopithecus aethiops) M. D. Rose Short Communications Pages: 957 - 964
The birth of a wild mountain gorilla (Gorilla gorilla beringei) Kelly J. Stewart Short Communications Pages: 965 - 976
Laboratory methods for the assessment of social dominance among captive squirrel monkeys Martin SmithP. J. HarrisF. F. Strayer Short Communications Pages: 977 - 984
Field research on tree shrews and prosimians: An historical, geographical, and bibliographical listing Lori A. BaldwinGeza Teleki Bibliography Pages: 985 - 1007
