On the Consanguineous Marriage in the Upper Ina Valley.:(III) Further Data from Miwa Village.

概要

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Marriage custom in Miwa village, where 20.5% of 726 families were of consanguineous marriage, was further studied. Main findings are reported below: 1. Consanguineous marriage is most frequent in upper classes of the v illage. 2. Households containing more than one family are common among upper classes, but there is no trend that multi-familial household is derived from consanguineous marriage. 3. No significant differences were found between somatic measurements and intelligence of the consanguineous offspring and those of the non-consanguineous one. 4. It. was not proved in this village that defective traits of the offspring be related to consanguineous marriage. 5. Motivation of the consanguineous marriage in this village seems to consist of one or more factors of the following (i) Interest in the family asset. (ii) Narrowness of the social circles of the mother, key person of marriage-making. (iii) Passive attitude of the son and daughter. (iv) Racial trend of close internal cohesion of the population of the same decendance.
日本民族衛生学会の論文