| Number | Title | Author |
| No.163 |
Illustrated Catalogue of Tertiary Plants in Japanese Coal Fields, I. Early and Middle Miocene Floras |
Tanai Toshimasa |
| No.164 |
Experimental Studies on Seismic Disturbances and Reflection Waves |
Nagumo Shozaburo, Mori Kiyoshi and Hayakawa Masami |
| No.165 |
Titanium Resources of Hokkaido, Japan (The first report) |
Ore-Prospecting Section of Hokkaido Branch |
| Abstract |
Kikuchi Toru |
| Preface |
Saito Masao |
| Generalization |
| Titanium and its Resources |
Kikuchi Toru |
| Titanium Resources and its Localities in Hokkaido |
Saito Masao |
| Ilmenite Placer in the Coast Area of the Okhotsk Sea |
Kikuchi Toru |
| Titaniferous Iron Sand of the Coast Area in the Volcano-Bay |
Kikuchi Toru |
| Titanium Resources in the Other areas |
Saito Masao |
| Some Properties of the Ore-Minerals |
Bamba Takeo and Kikuchi Toru |
| Relations between the Titanium Placer and Geology |
Saito Masao |
| Quality and Amount |
Kikuchi Toru |
| Method of Surveying and Prospecting |
Kikuchi Toru |
| Mining of Iron Sand |
Kikuchi Toru |
| Description of each deposit |
| Coast Area of the Okhotsk Sea |
Matsumura Akira, Kikuchi Toru and Umemoto Satoru |
| Coast Area of the Volcano-Bay |
Watanabe Yoshiji, Saito Masao, Bamba Takeo, Umemoto Satoru and Igarashi Teruaki |
| The Other Areas |
Saito Masao, Umemoto Satoru and Matsumura Akira |
| Conclusion |
Kikuchi Toru |
| No.166 |
Natural Gas in Takabe, Central Part of Shizuoka Prefecture, Japan |
Motojima Koji, Ida Kazuyoshi, Makino Tokio and Mitsunashi Takashi |