1. Exchange of objects between humans and captive western lowland gorillas

   • Raphaël Chalmeau
   • Patricia Peignot

   OriginalPaper Pages: 389 - 398

2. Successful artificial insemination for indoor breeding in the Japanese monkey (Macaca fuscata) and the cynomolgus monkey (Macaca fascicularis)

   • Ryuzo Torii
   • Hideo Nigi

   OriginalPaper Pages: 399 - 406

3. Urine collection in the common marmoset (Callithrix jacchus) and its applicability to endocrinological studies

   • Ryuzo Torii
   • Makoto Moro
   • Hideo Nigi

   OriginalPaper Pages: 407 - 417

4. Development of responsiveness to novel objects in the titi monkey,Callicebus moloch

   • D. J. Mayeaux
   • W. A. Mason

   OriginalPaper Pages: 419 - 431

5. Early behavioral development and temperamental traits in mother- vs peer-reared rhesus monkeys

   • A. S. Clarke
   • M. Snipes

   OriginalPaper Pages: 433 - 448

6. Seasonal variation in the positional behavior of red howling monkeys (Alouatta seniculus)

   • Dionisios Youlatos

   OriginalPaper Pages: 449 - 457

7. Effect of habitat structure on positional behavior and support use in three species of lemur

   • Marian Dagosto
   • Nayuta Yamashita

   OriginalPaper Pages: 459 - 472

8. Variations in competitive mechanisms of captive male hamadryas-like baboons in two feeding situations

   • Carlos Gil-Burmann
   • Fernando Peláez
   • Susana Sánchez

   OriginalPaper Pages: 473 - 484

9. The nature and evolution of intelligence in orangutans (Pongo pygmaeus)

   • Anne E. Russon

   OriginalPaper Pages: 485 - 503

10. Buttress drumming by wild chimpanzees: Temporal patterning, phrase integration into loud calls, and preliminary evidence for individual distinctiveness

    • Adam Clark Arcadi
    • Daniel Robert
    • Christophe Boesch

    OriginalPaper Pages: 505 - 518

11. Morphometric analysis ofMacaca arctoides andM. thibetana in relation to other macaque species

    • Ruliang Pan
    • N. G. Jablonski
    • L. Freedman

    OriginalPaper Pages: 519 - 537

12. Peer-rearing influences subsequent maternal behavior and infant survival in a newly formed herpes B-virus negative rhesus macaque group

    • Deborah L. Goin
    • Deborah A. Gust

    Short Communication Pages: 539 - 543

13. Tool use by a red howler monkey (Alouatta seniculus) towards a two-toed sloth (Choloepus didactylus)

    • Cécile Richard-Hansen
    • Natalia Bello
    • J. -Christophe Vié

    Short Communication Pages: 545 - 548

14. Sex differences in food acquisition and aggression in captive common marmosets (Callithrix jacchus)

    • Anne M. Michels

    Short Communication Pages: 549 - 556

15. Books received

    Note Pages: 557 - 557

16. Acknowledgements

    Note Pages: 557 - 558