Note

• Biomass and species composition of microalgae （ice algae） in drifting sea-ice collected in coastal waters off Mombetsu, Hokkaido, in the Okhotsk Sea
  - Hiromi Kasai, Yoko Niimura, Ryuichi Nagata, Seiji Katakura and Soshi Hamaoka
• Seasonal occurrence of pelagic chaetognaths from the entrance of Tokyo Bay and population structure of the dominant species, Zonosagitta nagae
  - Kazunori Kuroda, Takuya Ohnishi and Yoshiaki Yamada
• Distributions of planktonic larvae of the burrowing mud shrimp Laomedia astacina de Haan and the ghost shrimp Nihonotrypaea japonica （Ortmann） （Crustacea: Decapoda） in the estuary of Tama River, Tokyo Bay
  - Hiroshi Itoh, Nobuhiro Saito, Ryoko Ishikawa, Satoru Kobayashi, Terumasa Morishige, Taro Furudono, Takeshi Karaki, Kazuhiro Shirai and Toshio Furota

Abstracts of Symposium

• Frontiers in ecological studies of jellysh Joint Usage Research Meeting in Atomosphere and Ocean Research Institute,the University of Tokyo

Research Information

Profile of the Awardee of Doctor’s Degree

Book Review

Abstracts of Original Papers on Plankton & Benthos Research

Society Report