1. Population changes of rhesus monkeys (Macaca mulatta) in India, 1959 to 1965

   • Charles H. Southwick
   • M. Rafiq Siddiqi

   OriginalPaper Pages: 303 - 314

2. Five natural troops of Japanese monkeys in Shodoshima Island (I)

   • Munemi Yamada

   OriginalPaper Pages: 315 - 362

3. Delayed response of wild Japanese monkeys by the sand-digging method (II)

   • Atsuo Tsumori

   OriginalPaper Pages: 363 - 380

4. Comparative anatomical and neurohistological observations on the tongue of the squirrel monkey (Saimiri sciurea)

   • Kinziro Kubota
   • Sugio Hayama
   • Mitsuo Iwamoto

   OriginalPaper Pages: 381 - 389

5. A case of unseasonable birth in Japanese monkeys

   • Masao Kawai

   Short Communications Pages: 391 - 392

6. One observed case of hunting behavior among wild chimpanzees living in the savanna woodland of Western Tanzania

   • Munemi Kawabe

   Short Communications Pages: 393 - 396

7. Proceedings of the Eleventh Pacific Science Congress

   OriginalPaper Pages: 397 - 404

8. Postscript by the editor

   EditorialNotes Pages: 405 - 405