Volume 25 (1980)

• Kôsaku Hotta:
  On the Fundamental System of Neighborhoods of a Subspace in a Complex Space
  pp.1-13.
• Minoru Kimura:
  Mean Field Theory for Ground State of Superradiance
  pp.15-22.
• Kanji Ogawa, Kazuo Matsushima, Shin-ichi Matsuoka:
  The Hydrogen Position in Tin(II) Hydrogen Phosphate by Nuclear Magnetic Resonance
  pp.23-29.
• Isawo Kawai:
  Systematic Studies on the Conducting Tissue of the Gametophyte in Musci (II) Anatomical Characteristics of Stems in Some Species of Leucobryaceae
  pp.31-42.
• Yumi Ishizaki, Yoshishige Umebachi:
  The Presence of Tyrosine Glucoside in the Haemolymph of Lepidopteran Insects
  pp.43-52.
• Kazuo Yamada, Hidekazu Yamano:
  Find of Permian Fossils from the Moribu Formation, Hida Mountains, Central Japan
  pp.53-65.
• Katsumi Inoue:
  Maskit's Combination Theorems and the Residual Limit Sets of the First Kind
  pp.67-71.
• Yoichi Ogata, Shuhei Fujinami, Muraji Shibata:
  The Stereoselectivities in Aminoacidatoethylenediamineoxalatocobalt (III) Complexes
  pp.73-82.
• Akira Uehara, Ryokichi Tsuchiya:
  A New Synthetic Route to Squaric Acid as a Chelating Agent
  pp.83-85.
• Isawo Kawai:
  Die Systematische Forschung auf Grund der Zellteilungsweise für die Bryophyten III. Die Grundorganisationen und die Zellteilungsweisen in den Sporophyten-(1)
  pp.87-95.