*Ken-ichiro Hisada¹, Shiho YABUSAKI², Yukihiko KARATA³ (1. Bunkyo Univ., 2. Research Institute for Humanity and Nature, 3. Dank Co., Ltd.)

*Takashi Ishibashi¹, Tomoko Doei² (1. Masutomi Mus. Geosci. / Minakata K. Mus. / Osaka Univ. / Intl. Res. Ctr. for Japanese Studies, 2. Minakata Kumagusu Archices)