Volume 9 (1964)

• Joji Kajiwara:
  On Thullen's Example of a Cousin-II Domain.
  pp.1-8.
• Mitsuo Ida, Minoru Hirata, Shuji Kawada:
  The Changes in Dielectric Properties of Water during Adsorption by Solids
  pp.9-24.
• Wataru Ichikawa, Norio Fuji, Alfred Bachmann:
  Fossil Diatoms, Pollen Grains and Spores, Silicoflagellates and Arachaeomonads in the Miocene Hojuji Diatomaceous Mudstone Noto Peninsula, Central Japan
  pp.25-118.
• Wataru Ichikawa, Norio Fuji, Alfred Bachmann:
  Part I Fossil Diatoms, Pollen Grains and Spores
  pp.25-86.
• Wataru Ichikawa, Norio Fuji, Alfred Bachmann:
  Part II Silicoflagellidae und Archaeomonadaceae
  pp.87-118.
• Genkei Masamune:
  Enumeratio Tracheophytarum Ryukyu Insularum (X)
  pp.119-154.
• Noboru Matsuyama:
  On Some Maximal Theorems for the Gap Series
  pp.155-164.
• Katsushige Hori:
  A New Species of the Genus Platystoma from Japan (Diptera, Platystomatidae)
  pp.165-168.
• Kenji Konishi:
  Geologic Notes on Tonaki-jima and Width of Motobu Belt, Ryukyu Islands
  pp.169-188.
• Masao Yamasaki, Nobuhiro Nakanishi, Yoshio Kaseno:
  Nuee Ardente Deposit of Hakusan Volcano
  pp.189-201.