1. Social scratch: Another custom in wild chimpanzees?

   • Michio Nakamura
   • William C. McGrew
   • Toshisada Nishida

   OriginalPaper Pages: 237 - 248

2. Function and distribution of coalitions in captive bonobos (Pan paniscus)

   • Hilde Vervafcke
   • Han de Vries
   • Linda van Elsacker

   OriginalPaper Pages: 249 - 265

3. Allelic variation of the serotonin transporter gene polymorphic region in apes

   • Miho Inoue-Murayama
   • Youko Niimi
   • Yuichi Murayama

   OriginalPaper Pages: 267 - 273

4. Skeletal evidence of probable treponemal infection in free-ranging African apes

   • Nancy C. Lovell
   • Robert Jurmain
   • Lynn Kilgore

   OriginalPaper Pages: 275 - 290

5. Regional differences in the infection of wild Japanese macaques by gastrointestinal helminth parasites

   • Shunji Gotoh

   OriginalPaper Pages: 291 - 298

6. Plasma cholesterol levels in free-ranging macaques compared with captive macaques and humans

   • Akiko Takenaka
   • Yuko Matsumoto
   • Osamu Takenaka

   OriginalPaper Pages: 299 - 309

7. Monitoring hormones in urine and feces of captive bonobos (Pan paniscus)

   • M. H. Jurke
   • L. R. Hagey
   • N. M. Czekala

   OriginalPaper Pages: 311 - 319

8. Matrilineal rank Inheritance varies with absolute rank in Japanese macaques

   • Nobuyuki Kutsukake

   OriginalPaper Pages: 321 - 335

9. Chimpanzees in Bwindi-Impenetrable National Park, Uganda, use different tools to obtain different types of honey

   • Craig B. Stanford
   • Caleb Gambaneza
   • Michele L. Goldsmith

   Short Communication Pages: 337 - 341

10. Nineteen new microsatellite DNA polymorphisms in pigtailed macaques (Macaca nemestrina)

    • Shalini Nair
    • James Ha
    • Jeffrey Rogers

    Short Communication Pages: 343 - 350

11. Radio tracking of a male Japanese macaque emigrated from its group

    • Yasuyuki Muroyama
    • Hiroshi Imae
    • Kiyotaka Okuda

    Short Communication Pages: 351 - 356