Contents

Foreword

Obituary

Original Papers

• Trends in appearance of diatom plankton in Onomichi Channel, Hiroshima, Seto Inland Sea, Japan
  Yozi Hagiwara and Kazuhiko Koike

Plankton Symposium

Prize of the Plankton Society of Japan

Book Review

Abstracts of Original Papers on Plankton & Benthos Research

Society Report

Society Bylaws