Vol.4 no.6 (1955-12 issued)
| Snow Crystals and Aerosols | |
| Nakaya, Ukichiro | 341-354 |
| Studies on the Freezing of Water (III) : Crystallography of disc crystal and dendrites developed from disc crystals | |
| Arakawa, Kiyoshi | 355-358 |
| The Effect of an Electric Field on the Growth of Frost | |
| Magono, Chôji;Sekiya, Setsuo | 359-368 |
| Proton Magnetic Resonance Studies in Normal Paraffins | |
| Endô, Yoshio;Hoshino, Ryôsuke;Nakajima, Haruo;Morita, Eiichi | 369-376 |
| The Electronic Strutures around Impurities in Monovalent Metals | |
| Shinohara, Shozo | 377-390 |
| On the Cut-Off Methods in Meson Theory | |
| Hamada, Tetuo | 391-410 |
| Note on the Relativistic Wave Equation | |
| Matsumoto, Tokuji | 411-419 |