Foreword

Original Papers

• Comparison of biomass and species composition among netplankton samples from the western subarctic Pacic, obtained at dierent sampling depths using dierent sampling gears
  Hiromi Kasai and Haruko Umeda
• Community structures and changes in the abundance of hydrozoans and ctenophores in the innermost part of Tokyo Bay
  Nobuyo Matsushima, Maito Kato, Atsuki Nakamura and Haruto Ishii

Prize of the Plankton Society of Japan

Book Review

Abstracts of Original Papers on Plankton & Benthos Research

Society Report

Society Bylaws