1. The leader's role in controlling aggressive behavior in a monkey group

   • Kisaburo Tokuda
   • Gordon D. Jensen

   OriginalPaper Pages: 319 - 322

2. On the fission of troops of Japanese monkeys

   • Yoshio Furuya

   OriginalPaper Pages: 323 - 349

3. Nilgiri langur (Presbytis johnii) territorial behavior

   • Frank E. Poirier

   OriginalPaper Pages: 351 - 364

4. Social behaviour of stump-tailed macaques in captivity

   • Nicholas G. Blurton Jones
   • Jeffrey Trollope

   OriginalPaper Pages: 365 - 393

5. Intraspecies variations of red cell enzymes and hemoglobin inMacaca irus

   • Goichi Ishimoto
   • Tasuku Toyomasu
   • Kei-ichi Uemura

   OriginalPaper Pages: 395 - 408

6. Viral infection of cynomolgus macaque (Macaca irus)

   • Akira Kawai
   • Tatsuo Kimoto
   • Nobuharu Kunita

   OriginalPaper Pages: 409 - 418

7. Bibliography of the studies on non-human primates in Japan 1967

   OriginalPaper Pages: 419 - 422

8. Postscript by the editor

   EditorialNotes Pages: 423 - 424