The writer made a biometric investigation, measuring bodies, limbs, heads and faces, for, the 508 inhabitants of Koma district, Hidaka-machi, Saitama-ken, from the constitutional-anthropological point of view. The following conclusion was drawn out of the comparative study of the findings about other districts.
1. Their average height is 160.54cm. This belongs to the “medium” height group in the comparison with other districts, and to the “ short medium ” height group of the Martin!s classification.
2. The cephalic index is 83.08, which belongs to the brachycephalic type.
3. The zygomatic arch width-mandibular angle width irides is 77.83, which belongs to the medium type.
It is found through the comparison by the average type index with the inhabitants of other districts that the inhabitants of Koma district have the close affinity to those of Izumo, Koma and Shinshu-Kamiina districts, Hachijojima island and the west coast of middle Korea (with under forth of the average type index), anc the slight affinity to Ainos in Hokkaido, the inhabitants of Ecchu district and southern part of Noto, and Shirakawa villagers (with under twelve of the same index). Thus, it is shown that Koma people belong to the Japanese of Korean extraction, and the old tradition that they are the descendants of the refugees from Heijo (situated at the west coast of middle Korea) is considered to be true.
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