1. Activity rhythm and the ranging of a solitary male mountain gorilla (Gorilla gorilla beringei)

   • Juichi Yamagiwa

   OriginalPaper Pages: 273 - 282

2. A new procedure to study the perceptual world of animals with sensory reinforcement: Recognition of humans by a chimpanzee

   • Kazuo Fujita
   • Tetsuro Matsuzawa

   OriginalPaper Pages: 283 - 291

3. The human extensor digitorum profundus muscle with comments on the evolution of the primate hand

   • M. Ashraf Aziz
   • Samuel Strong Dunlap

   OriginalPaper Pages: 293 - 319

4. Interspecific relationships ofCallithrix based on the dental characters

   • Masahito Natori

   OriginalPaper Pages: 321 - 336

5. Locomotion and habitat utilization in free-rangingTarsius bancanus: A preliminary report

   • Robin Huw Crompton
   • Patrick Mahedi Andau

   OriginalPaper Pages: 337 - 355

6. Polymorphism in the mitochondrial DNA of cynomolgus monkeys

   • Shinji Harihara
   • Naomi Aoto
   • Keiichi Omoto

   OriginalPaper Pages: 357 - 361

7. Esterase D and carbonic anhydrase 2 in a natural population ofCebus apella from Brazil

   • Maria Iracilda da Cunha Sampaio
   • Maria Paula Cruz Schneider
   • Carmem Maria Leitão Barroso

   OriginalPaper Pages: 363 - 367

8. The bronchial tree and blood vessels of the Japanese monkey lung

   • Shoichi Nakakuki

   OriginalPaper Pages: 369 - 375

9. Behavioural development of howling monkey twins (Alouatta palliata) in Santa Rosa National Park, Costa Rica

   • Colin Chapman
   • Lauren J. Chapman

   Short Communication Pages: 377 - 381

10. Information on the distribution of Formosan monkeys (Macaca cyclopis)

    • Ken'ichi Masui
    • Yoshinori Narita
    • Susumu Tanaka

    Research Report Pages: 383 - 392

11. Book reviews

    • Kiyoaki Matsubayashi
    • Holger Preuschoft

    BookReview Pages: 393 - 395