1. Gorillas: A preliminary survey in 1958

   • Kinji Imanishi

   Originals Pages: 73 - 78

2. The muhavura gorillas

   • M. W. Baumgartel

   Originals Pages: 79 - 83

3. On the acquisition and propagation of a new food habit in the natural group of the Japanese monkey at Takasaki - Yama

   • Junichiro Itani

   Originals Pages: 84 - 98

4. A social relation between monkey and man

   • Shigeharu Asakura

   Originals Pages: 99 - 110

5. On the rank system in a natural group of Japanese monkey (I)

   • Masao Kawai

   Originals Pages: 111 - 130

6. On the rank system in a natural group of Japanese monkey (II)

   • Masao Kawai

   Originals Pages: 131 - 148

7. The matriarchal social order in the minoo-B Group

   • Syunzo Kawamura

   Originals Pages: 149 - 156

8. The preliminary survey on the white-handed gibbon in Thailand

   • Syunzo Kawmura

   Correspondence Pages: 157 - 158

9. The primates research society

   Notes Pages: 159 - 159

10. Studies on peripheral blood cells of normal macaca monkeys (Macaca fuscata)

    • Mutsumi Inoue

    Summaries of the Papers Read in the Meeting of P.R.S. Pages: 160 - 160

11. Comparative studies on vocalization of monkeys and human beings by observing the process of vocal development of infants

    • Masuji Ōshima

    OriginalPaper Pages: 161 - 161

12. Studies of behavior in Japanese monkeys (1) play

    • Naosuke Itoigawa

    OriginalPaper Pages: 161 - 162

13. Menstural and sexual cycle of primates

    • Shigeharu Asakura

    OriginalPaper Pages: 162 - 163