1. Pygmy chimpanzee association patterns in ranging

   • Koji Kitamura

   OriginalPaper Pages: 1 - 12

2. Social organization of gelada baboons: Social units and definitions

   • M. Kawai
   • H. Ohsawa
   • R. Dunbar

   OriginalPaper Pages: 13 - 24

3. Social organization of captive black howler monkeys (Alouatta caraya): “Social competition” and the use of non-damaging behavior

   • Clara B. Jones

   OriginalPaper Pages: 25 - 39

4. Categorical responses to natural and synthesized alarm calls in Goeldi's monkeys (Callimico goeldii)

   • Nobuo Masataka

   OriginalPaper Pages: 40 - 51

5. Behavioral development of a malformed infant in a free-ranging group of Japanese monkeys

   • Masayuki Nakamichi
   • Hisanori Fujii
   • Takamasa Koyama

   OriginalPaper Pages: 52 - 66

6. Maternal separation and reunion of an infant orang-utan

   • Ronald D. Nadler
   • Mark A. Codner

   OriginalPaper Pages: 67 - 76

7. Maternal transport and infant motor development in a captive group of lowland gorillas

   • Michael P. Hoff
   • Ronald D. Nadler
   • Terry L. Maple

   OriginalPaper Pages: 77 - 85

8. Extensor muscles of the thigh of crab-eating monkeys (Macaca fascicularis)

   • Kunihiko Kimura
   • Yutaka Takahashi
   • Sotaro Iwamoto

   OriginalPaper Pages: 86 - 93

9. Functional differentiation of fore- and hindlimb muscles inMacaca fuscata determined on the basis of enzymatic activities

   • Kyoko Moriyama

   OriginalPaper Pages: 94 - 108

10. Diet of the Oligocene anthropoidsAegyptopithecus andApidium

    • Susan Cachel

    OriginalPaper Pages: 109 - 117

11. A micro-culture technique for the mitogen stimulation of lymphocytes fromMacaca mulatta (rhesus) andMacaca fascicularis (cynomolgus)

    • Karin C. Loftin
    • Barnet M. Levy

    OriginalPaper Pages: 118 - 126

12. Self-aggression in macaques: Five case studies

    • Cynthia L. Pond
    • Howard G. Rush

    Short Communication Pages: 127 - 134

13. Book reviews

    • Shigeo Uehara
    • Kazuyoshi Sugawara

    BookReview Pages: 135 - 138