Volume 28 (1983)

• Hiroshi Yamashita:
  On Nilpotent Factors of Maximam Abelian Extensions of Algebraic Number Fields
  pp.1-5.
• Masaru Masuzaki, Yoh-ichi Tamagawa, Keiichi Kamada, Seiichi Watanabe, Sunao Kawasaki, Takashi Nakanishi:
  A Note on Collective Acceleration of Barium Ions in a Preformed Anode Plasma
  pp.7-10.
• Koichiro Nishikawa, Masayoshi Sato, Nobukimi Ohashi, Shin-ichi Matsuoka:
  Laser Excitation Spectra of the Vibrationally Excited CN Radical
  pp.11-15.
• Yoshisige Umebachi, Motohiko Yasuda, Takashi Yoshimiya, Masahiro Takada:
  Beta-Alanine in the Puparial Case of Drosophila melanogaster
  pp.17-26.
• Ryoh-ichi Ohgushi, Shôichi F. Sakagami, Sôichi Yamane, Nilla Djuwita Abbas:
  Nest Architecture and Related Notes of Stenogastrine Wasps in the Province of Sumatera Barat, Indonesia (Hymenoptera, Vespidae)
  pp.27-58.
• Yoshishige Umebachi, Yumi Ishizaki:
  Beta-alanine and Dopamine in the Reddish Brown Scales of Papilio Butterflies
  pp.59-67.
• Ryoh-ichi Ohgushi, Sôichi Yamane:
  Supplementary Notes on the Nest Architecture and Biology of Some Parischnogater Species in Sumatera Barat (Hymenoptera, Vespidae)
  pp.69-78.