1. The social interactions of juvenile Japanese monkeys on Koshima Islet

   • Hitoshige Hayaki

   OriginalPaper Pages: 139 - 153

2. Social organization of savanna-dwelling chimpanzees,Pan troglodytes verus, at Mt. Assirik, Senegal

   • C. E. G. Tutin
   • W. C. McGrew
   • P. J. Baldwin

   OriginalPaper Pages: 154 - 173

3. Diachronic changes in two eastern lowland gorilla groups (Gorilla gorilla graueri) in the Mt. Kahuzi Region, Zaïre

   • Juichi Yamagiwa

   OriginalPaper Pages: 174 - 183

4. Allogrooming and social status: An assessment of the contributions of female behavior to the social organization of hamadryas baboons (Papio hamadryas)

   • Anthony M. Coelho Jr.
   • Sharon A. Turner
   • Claud A. Bramblett

   OriginalPaper Pages: 184 - 197

5. Ecological determinism in the life histories of baboons

   • Joseph L. Popp

   OriginalPaper Pages: 198 - 210

6. Party size and early detection of predators in sumatran forest primates

   • Carel P. van Schaik
   • Maria A. van Noordwijk
   • Edy Sutriono

   OriginalPaper Pages: 211 - 221

7. Breeding behaviors in the black howler monkey (Alouatta pigra) of belize

   • Robert H. Horwich

   OriginalPaper Pages: 222 - 230

8. Palatine fenestrae, the orangutan and hominoid evolution

   • Jeffrey H. Schwartz

   OriginalPaper Pages: 231 - 240

9. Age differences in locomotion of two subtropical galaginae

   • Robin Huw Crompton

   OriginalPaper Pages: 241 - 259

10. Effects of stimulation of hypothalamic “feeding areas” on endocrines and metabolism in normal and diabetic monkeys

    • S. K. Garg
    • G. S. Chhina
    • Baldev Singh

    OriginalPaper Pages: 260 - 265

11. Blood vitamin values of common marmosets (Callithrix jacchus)

    • D. W. McNees
    • R. W. Lewis
    • B. M. Levy

    OriginalPaper Pages: 266 - 272

12. Mahale chimpanzees taste mangoes—Toward acquisition of a new food item?

    • Hiroyuki Takasaki

    Short Communications Pages: 273 - 275

13. Aspilia spp. Leaves: A puzzle in the feeding behavior of wild chimpanzees

    • R. W. Wrangham
    • T. Nishida

    Short Communications Pages: 276 - 282

14. An example of “apparent” dominance-submission behavior between adult male howler monkeys (Alouatta palliata)

    • Orrey P. Young

    Short Communications Pages: 283 - 287

15. Species status of the black howler monkey,Alouatta pigra, of Belize

    • Robert H. Horwich

    Short Communications Pages: 288 - 289

16. Roaring rhythms in black howler monkeys (Alouatta pigra) of Belize

    • Robert H. Horwich
    • Kris Gebhard

    Short Communications Pages: 290 - 296

17. Book reviews

    • J. Kitahara-Frisch
    • Akira Suzuki
    • Ken'ichi Matsunami

    BookReview Pages: 297 - 302