Vol. 41, No. 3 July 2000

Nakamura, Michio; McGrew, William C.; Marchant, Linda F.; Nishida, Toshisada : Social Scratch: Another Custom in Wild Chimpanzees?..........237 Key Words: Chimpanzees, Pan troglodytes schweinfurthii, Social scratch, Social groom, Self-scratch, Custom, Culture .

Vervaecke, Hilde; de Vries, Han; van Elsacker, Linda: Function and Distribution of Coalitions in Captive Bonobos (Pan paniscus) ..........249 Key Words: Bonobo, Pan paniscus, Coalitions, Support in conflict.

Inoue-Murayama, Miho; Niimi, Youko; Takenaka, Osamu; Okada, Kyoko; Matsuzaki, Ichiyo; Ito, Shin'ichi; Murayama, Yuichi: Allelic Variation of the Serotonin Transporter Gene Polymorphic Region in Apes ..........267 Key Words: Serotonin transporter, Promoter sequence, Allelic variation, Hominization.

Lovell, Nancy C.; Jurmain, Robert; Kilgore, Lynn: Skeletal Evidence of Probable Treponemal Infection in Free-ranging African Apes ..........275 Key Words: Chimpanzee, Gorilla, Paleopathology, Yaws.

Gotoh, Shunji: Regional Differences in the Infection of Wild Japanese Macaques by Gastrointestinal Helminth Parasites ..........291 Key Words: Helminth parasites, Gastrointestinal parasites, Japanese macaques, Macaca fuscata.

Takenaka, Akiko; Matsumoto, Yuko; Nagaya, Aika; Watanabe, Kunio; Goto, Shunji; Suryobroto, Bambang; Takenaka, Osamu: Plasma Cholesterol Levels in Free-ranging Macaques Compared with Captive Macaques and Humans ..........299 Key Words: Total cholesterol, HDL, LDL, Free-ranging macaques, Captive macaques.

Jurke, M. H.; Hagey, L,. R.; Jurke, S.; Czekala, N. M.: Monitoring Hormones in Urine and Feces of Captive Bonobos (Pan paniscus) ..........311 Key Words: Bonobo, Pan paniscus, Ovarian hormones, Perineal swelling, Menopause, Cortisol.

Kutsukake, Nobuyuki: Matrilineal Rank Inheritance Varies with Absolute Rank in Japanese Macaques ..........321 Key Words: Japanese macaques, Dominance rank, Matrilineal rank inheritance, Youngest ascendancy, Intra-group variation, Support, Provisioning .

Short Communications

Stanford, Craig B.; Gambaneza, Caleb; Nkurunungi, John Bosco; Goldsmith, Michele L.: Chimpanzees in Bwindi-Impenetrable National Park, Uganda, Use Different Tools to Obtain Different Types of Honey ..........337 Key Words: Chimpanzees, Tool use, Honey-foraging, Bees, Tool archaeology.

Nair, Shalini; Ha, James; Rogers, Jeffrey: Nineteen New Microsatellite DNA Polymorphisms in Pigtailed Macaques (Macaca nemestrina) ..........343 Key Words: DNA polymorphisms, Pigtailed macaque, Microsatellite, Paternity.

Muroyama, Yasuyuki; Imae, Hiroshi; Okuda, Kiyotaka: Radio Tracking of a Male Japanese Macaque Emigrated from its Group ..........351 Key Words: Macaca fuscata fuscata, Radiotelemetry, Home range, Emigraton, Spatial relation, Life history.