1. The influence of day-night cycles and the additive effects of methamphetamine and illumination on the spontaneous activity in rhesus monkeys (Macaca mulatta)

   • Nobuo Ibuka

   OriginalPaper Pages: 101 - 111

2. Effects of infant loss on the interbirth interval of Japanese monkeys

   • Toshio Tanaka
   • Kisaburo Tokuda
   • Shigetaka Kotera

   OriginalPaper Pages: 113 - 117

3. Effects of group environment on the mother-infant relationship in pigtailed monkeys (Macaca nemestrina)

   • Jaclyn H. Wolfheim
   • Gordon D. Jensen
   • Ruth A. Bobbitt

   OriginalPaper Pages: 119 - 124

4. Biology of reproduction in the squirrel monkey (Saimiri sciureus): I. The estrus cycle

   • Probodh K. Srivastava
   • F. Cavazos
   • Fred V. Lucas

   OriginalPaper Pages: 125 - 134

5. Nuchal adaptations inPerodicticus potto

   • Alan Walker

   OriginalPaper Pages: 135 - 144

6. On the musculature of the forelimb of the crab-eating monkey

   • Kunihiko Kimura
   • Shozo Takai

   OriginalPaper Pages: 145 - 170

7. The use of the tail by an Old World monkey

   • Rathe Karrer

   Reports Pages: 171 - 175

8. Endocardiosis in rhesus monkeys

   • Robert E. Schmidt

   Reports Pages: 177 - 180

9. Estimating rates of behavior from Hansen frequencies

   • Stuart A. Altmann
   • S. S. Wagner

   Reports Pages: 181 - 183

10. Formation and development of a group of juvenileHylobates Iar

    • Robert J. Paluck
    • Jonathan D. Lieff
    • Aristide H. Esser

    Reports Pages: 185 - 194

11. Book review

    • Shigetaka Kotera
    • Takeshi Kanaseki

    BookReview Pages: 195 - 196

12. 14th Annual Meeting of the Japanese Society for Primate Research

    Notes Pages: 197 - 199