1. Non-antagonistic relations between wild bonobos and two species of guenons

   • Hiroshi Ihobe

   OriginalPaper Pages: 351 - 357

2. Morphological changes of female reproductive organs of Japanese monkeys with reproductive conditions

   • Shin-ichi Hayama
   • Shinji Kamiya
   • Hideo Nigi

   OriginalPaper Pages: 359 - 367

3. The behavior of peripheral males during the mating season inMacaca fuscata

   • Katharine M. Jack
   • M. S. M. Pavelka

   OriginalPaper Pages: 369 - 377

4. Sexual behavior of adult male chimpanzees of the Mahale Mountains national park, Tanzania

   • Toshisada Nishida

   OriginalPaper Pages: 379 - 398

5. Genetic variation of blood proteins within and between local populations of grivet monkey (Cercopithecus aethiops aethiops) in central Ethiopia

   • Makoto K. Shimada
   • Takayoshi Shotake

   OriginalPaper Pages: 399 - 414

6. Drinking from tails: Social learning of a novel behaviour in a group of ring-tailed lemurs (Lemur catta)

   • Geoffrey R. Hosey
   • Marie Jacques
   • Angela Pitts

   Short Communication Pages: 415 - 422

7. A new lorisid humerus from the early miocene of Uganda

   • Daniel L. Gebo
   • Laura MacLatchy
   • Robert Kityo

   Short Communication Pages: 423 - 427

8. The rediscovery ofCallicebus personatus barbarabrownae in northeastern brazil with a new western limit for its distribution

   • Jader Marinho-Filho
   • Ed Wilson Veríssimo

   Research Report Pages: 429 - 433

9. Book reviews

   • Masako Myowa
   • Masazumi Mitani

   BookReview Pages: 435 - 438

10. Books received

    Note Pages: 439 - 440