Volume 12 (1967)

• Yoshikazu Eda, Norikata Nakagoshi:
  An Elementary Proof of the Prime Ideal Theorem with Remainder Term
  pp.1-12.
• Nagahide Izumi, Kanji Ogawa, Shin-ichi Matsuoka, Kantaro Senda:
  Pressure-dependent Chemical Shifts of Fluorine NMR in Some Freon Gases
  pp.13-20.
• Kazuhisa Komura, Masanobu Sakanoue:
  Studies on the Dating Methods for Quaternary Samples by Natural Alpha-Radioactive Nuclides
  pp.21-66.
• Katsushige Hori, Hiromu Kurahashi:
  Three Species of Japanese Dichaetomyia, with Description of Two New Species (Family Muscidae, Diptera)
  pp.67-74.
• Yoshikazu Kishida:
  Electron Microscopic Studies on the Planarian Eye I. Fine Structures of the normal eye.
  pp.75-110.
• Yoshikazu Kishida:
  Electron Microscpic Studies on the Planarian Eye II. Fine Structures of the regenerating eye.
  pp.111-142.
• Wataru Ichikawa, Isamu Shimizu, Alfred Bachmann:
  Fossil Silicoflagellates and Their Associated Uncertain Forms in Iida Diatomite, Noto Peninsula, Central Japan
  pp.143-172.
• Kenji Konishi, Akio Ômura:
  Collenia (algal stromatolites) from the Hida Mountainland, Central Japan
  pp.173-184.
• Kazuo Yamada:
  Stratigraphy and Geologic Structure of the Paleozoic Formations in the Upper Kuzuryu River District, Fukui Prefecture, Central Japan
  pp.185-207.
• Chikara Watanabe:
  On Normality of a Family of Analytic Sets
  pp.209-213.
• Katsushige Hori:
  Comparative Anatomy of the Internal Organs of the Calyptrate Muscoid Flies V. Consideration on the Phylogeny of the Calyptratae
  pp.215-254.
• Hiromu Kurahashi:
  Studies on the Calypterate Muscoid Flies from Japan VI. Revision of the Tribes Bengaliini and Polleniini of the Subfamily Calliphorinae and the Subfamilies Chrysomyiinae and Rhiniinae (Diptera, Calliphoridae)
  pp.255-302.