Number
| Title | Author |
| No.137 |
Some Problems of Seismic Exploration |
Hayakawa Masami |
| No.138 |
Report on the Geology of Hitachi-Nakamura District in Oani Coal Field, Kita-akitagun, Akita Prefecture |
Takehara Heiichi and Matsui Hiroshi |
| No.139 |
An Orbicular Rock in Andesite from Akagi Volcano, Japan |
Koide Haku |
| No.140 |
Report on the Geology of North-Futaba District in Joban Coal Field, Fukushima Prefecture |
Mita Masakazu |
| No.141 |
On the So-called Spessartite and Associated Granophyres of Shiratori-honmachi, Kagawa Prefecture, Shikoku |
Kirayama Ken |
| No.142 |
Investigation of the Time Variation of Seismic Wave-Velocity |
Hayakawa Masami |
| No.143 |
On the Character of Fissures and Precipitation of Ore Minerals at Several Zinc and Lead Deposits in Japan |
Ito Shosuke |
| No.144 |
Annual Report of Progress (1947 - 1949) |
