CONTENTS
General Introduction
A Field Study of the Behavior and Social Relations of
Howling Monkeys (1934)
Behavior of Red Spider Monkeys in Panama (1935)
An Observational Study of Two Captive Mountain Goril-
las (1937)
A Survey of Wild Life Conditions in Atjeh, North Suma-
tra, with Special Reference to the Orang-Utan (1938)
A Field Study in Siam of the Behavior and Social Relations
of the Gibbon (1940)
The Menstrual Cycle and Body Temperature in Two Gib-
bons (1941)
Rhesus Monkeys for American Laboratories (1940)
Notes on Results of a Test for Tuberculosis in Rhesus Mon-
keys (1941)
Sexual Behavior of Free Ranging Rhesus Monkeys: Speci-
mens, Procedures and Behavioral Characteristics of Es-
trus (1942)
Sexual Behavior of Free Ranging Rhesus Monkeys: Perio-
dicity of Estrus, Homosexual, Auto-Erotic and Non-Con-
formist Behavior (1942)
Societies of Monkeys and Apes (1942)
Characteristics of Social Behavior in Non-Human Primates
(1942)
Social Behavior of Non-Human Primates (1952)
Grouping Behavior of Howling Monkeys (1953)
Tentative Generalizations on the Grouping Behavior of
Non-Human Primates (1954)
Field Studies of a Primate Population (1962)
Appendix: Territoriality: A Review of Concepts and Prob-
lems (1958)
Concluding Comments
Index
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