1. In memory of ProfessorJunichiro Itani

   • Toshisada Nishida;

   Obituary Pages: 1 - 2

2. The use of vocal signals in the social play of barbary macaques

   • Silke Kipper
   • Dietmar Todt

   OriginalPaper Pages: 3 - 17

3. Measuring fruit patch size for three sympatric indonesian primate species

   • S. A. Wich
   • G. Fredriksson
   • E. H. M. Sterck

   OriginalPaper Pages: 19 - 27

4. Fecal testosterone immunoreactivity as a non-invasive index of functional testosterone dynamics in male Japanese macaques (Macaca fuscata)

   • Gordon M. Barrett
   • Keiko Shimizu
   • Akio Mori

   OriginalPaper Pages: 29 - 39

5. Grooming site preferences determined by lice infection among Japanese macaques in Arashiyama

   • Koichiro Zamma

   OriginalPaper Pages: 41 - 49

6. Survey of the black howler monkey,Alouatta pigra, population at the Mayan site of Palenque, Chiapas, Mexico

   • Alejandro Estrada
   • Lucía Castellanos
   • Carlos Jimenez

   OriginalPaper Pages: 51 - 58

7. Assessing habitat utilization by neotropical primates: A new approach

   • Mark D. Warner

   OriginalPaper Pages: 59 - 71

8. The calming effect of stimuli presentation on infant Japanese macaques (Macaca fuscata) under stress situation: A preliminary study

   • Kiyobumi Kawakami
   • Masaki Tomonaga
   • Juri Suzuki

   OriginalPaper Pages: 73 - 85

9. Leaf-grooming by a wild chimpanzee in Mahale

   • Koichiro Zamma

   Short Communication Pages: 87 - 90

10. Book review

    • Ruth Tincoff
    • Marc D. Hauser

    BookReview Pages: 91 - 94