1. Fruit availability and chimpanzee party size at Kahuzi montane forest, Democratic Republic of Congo

   • A. Kanyunyi Basabose

   Original Article 23 June 2004 Pages: 211 - 219

   

2. When does play panting occur during social play in wild chimpanzees?

   • Takahisa Matsusaka

   Original Article 07 July 2004 Pages: 221 - 229

   

3. Food transfer between chimpanzee mothers and their infants

   • Ari Ueno
   • Tetsuro Matsuzawa

   Original Article 03 July 2004 Pages: 231 - 239

   

4. Sleeping sites of Rhinopithecus bieti at Mt. Fuhe, Yunnan

   • Ze-Hua Liu
   • Qi-Kun Zhao

   Original Article 27 July 2004 Pages: 241 - 248

   

5. Sex differences in common Marmosets (Callithrix jacchus) in response to an unfamiliar food task

   • Maria E. Yamamoto
   • Camila Domeniconi
   • Hilary Box

   Original Article 22 June 2004 Pages: 249 - 254

   

6. Use of leaves to inspect ectoparasites in wild chimpanzees: a third cultural variant?

   • Clea Assersohn
   • Andrew Whiten
   • Joseph Karamagi

   Original Article 04 June 2004 Pages: 255 - 258

7. Analysis of infant carrying in large, well-established family groups of captive marmosets (Callithrix jacchus)

   • Debbie A. Mills
   • Colin P. Windle
   • Rosalind M. Ridley

   Original Article 10 July 2004 Pages: 259 - 265

   

8. Behavioral economic analysis of water intake in a laboratory rhesus macaque

   • Masumi Wakita

   Short Communication 21 April 2004 Pages: 267 - 270

   

9. First experimental evidence for female mate choice in a nocturnal primate

   • Mathias Craul
   • Elke Zimmermann
   • Ute Radespiel

   Short Communication 07 July 2004 Pages: 271 - 274

   

10. Intrapopulation differences in ant eating in the mountain gorillas of Bwindi Impenetrable National Park, Uganda

    • Jessica Ganas
    • Martha M. Robbins

    Short Communication 10 July 2004 Pages: 275 - 278

    

11. Dorothy M. Fragaszy and Susan Perry (eds): The biology of traditions: models and evidence

    • Michio Nakamura

    Book Review 23 June 2004 Pages: 279 - 281

12. Joanna M. Setchell and Deborah J. Curtis (eds): Field and laboratory methods in primatology

    • Agustín Fuentes

    Book Review 13 July 2004 Pages: 283 - 284

13. Personality research with non-human primates: theoretical formulation and methods

    • Kosuke Itoh

    Erratum 06 August 2004 Pages: 285 - 285