Volume 6 (1958-1959)

• Noboru Matsuyama:
  On the Convergence of Some Gap Series
  pp.1-7.
• Noboru Matsuyama, Shigeru Takahashi:
  On the Gap Sequence Having Random Signs
  pp.9-14.
• Shigeru Ohshio:
  Parallel Series to a Closed Convex Curve and Surface and the Differentiability of Their Quantities
  pp.15-24.
• Mitsuo Ida:
  Dielectric Anomaly of n-Higher Alcohols Solidified under an Alternating Electric Field
  pp.25-31.
• Shin-ichi Matsuoka, Shuzo Hattori:
  Analysis of I-I Coupling Fine Structures in Nuclear Magnetic Resonance Spectra of Simple Organic Molecules I
  pp.33-39.
• Juro Maruha, Matsuo Terakura:
  On the Magnetic Susceptibility of Pyridine
  pp.41-44.
• Yoshishige Umebachi:
  Yellow Pigments in the Wings of the Papilionid Butterflies I. The Relation between Kynurenine and the Yellow Pigments of Papilio xuthus
  pp.45-55.
• Shigeru Takahashi:
  A Remark on the Riemann-Sum
  pp.57-59.
• Noboru Matsuyama:
  Notes on Gap Theorems
  pp.61-64.
• Mitsuo Ida:
  On the Dielectric Properties of Polycapramide
  pp.65-68.
• Yoshishige Umebachi:
  Yellow Pigments in the Wings of the Papilionid Butterflies.II. The Presence of a Pale Blue Fluorescent Substance Supposed to be Kynurenine in the Wings of the Zerynthiinae
  pp.69-75.
• Tetsuji Kido:
  Location of the New Pharynx in Regenerating Piece of Planaria
  pp.77-84.
• Hidekuni Matsuo:
  A Revision of the Miocene Fern of Osumunda bromeliaefolioides Matsuo from Noto Peninsula in the Innerside of Central Japan.
  pp.85-90.