Socio-economic Change of Isolated Mountain Villages
　and Vitalization of Depopulated Areas in Japan
　……Toshimichi Miyaguchi

Government Intervention and Changing Agricultural System
　in Community on Subtropical Islands in Okinawa
　……Juniji Nagata

Population and Environment in Indonesia
　……Ida Bagoes Mantra

Terrestrial Mollusks and Conservation of Their Environment
  in the Ogasawara Islands, (J)
　……Kiyonori Tomiyama and Taiji Morozumi

A Study on Activity Space of Suburban Residents in Japan, (J)
　……Taro Kawaguchi