The writer carefully studied the three areas in the Kitakami Mountainous Land shown in the following listed below., 1., Sakamotozawa valley., ., ., ., ., ., Hikoroichi-mura, Kesen-gun, Iwate Pref., (Lat., 39°1O'E., 141°1'45" E., ) 2., Kattizawa valley., ., ., ., ., ., Setamai-machi, Kesengun., 3., Kanokurazawa valley., ., ., ., ., ., A branch of Kattizawa valley., These three places are famous localities for fossils of Permian Period, and some formational names were established after these localities by several senior authors., The writer has divided the formations into the following three series, such as Upper Kofugane, Lower Kofugane, and Yubano-sawa series., Each series consists of limestone, sandstone, slate, and conglomerate., The following is the correlation Minato's stratigraphical table with the writer's., The writer's Minato's Limestone Slate (Toyoma slate) Kohama Stage Series Conglomerate (Usuginu Cg., ) Limestone., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., Stage Shishiori Stage? Series Conglomerate ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., ., Yubanosawa Series., ., ., ., Sakamotozawa Series In these localities, twenty-two fossil beds are observed, and these fossil beds may be grouped as the following seven fossil zones from which the writer has identified 11 genera and 34 species., 1., Lepidolina shiraiwensis zone 2., Neoschwagerina douvillei zone 3., Parafususina wanneri? Zone Limestone Sandstone Lower Kofugane Ser., (Upper Permian) 4., Pseudofusulina kraffti zone 5., P., vulgaris zone Limestone., ., ., ., ., ., Yubanosawa Series., ., ., ., ., ., ., ., ., ., ., ., ., 6., Pseudoschwagerina sp., Zone 7., Triticites irregularis zone Mid., Permian Lower Permian Upper Carboniferous It is notable that the Triticites zone is discovered while the absence of so-called Parafusulina ? japonica zone.,
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