Journal of Okayama Medical Association
Published by Okayama Medical Association

Full-text articles are available 3 years after publication.

指紋ならびに血液型上よりみたる日本人の研究甑島々人の指紋および血液型について 第2編 甑島々人のABO式血液型

村永 兼三 鹿児島大学医学部法医学教室
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The auther, having examined the frequency of ABO-type blood-types that appears in the total 10, 767 inhabitants, containing (including) the eastern shoremen of Koshikijima (male, 4.175, female, 3.738), the western-shoremen (male 726, female, 695) of the same, as well as the villagers of Kashima (male 671, female 762), with similar method as used in the case that examined the fingerprint, has arrived at results as follows: 1. Comparison in frequency proved among the eastern-shoremen, the western-shoremen, both of Koshikijima, and the village people of Kashima. The east-shoremen and Kashima people proved superior to the west-shoremen in their frequency of O-type blood, and besides, the former proved higher in ratio than Kashima villagers. As to A-type frequency, both the east-and west-shoremen surpassed Kashima villagers, but while in the former no marked difference has been detected among the three, the frequency proved rather high in general; in the frequency of AB-type, the west-coasters proved highest, compared to the east-shoremen or Kashima-villagers, the last proving very low indeed. II. Comparison of those people of Koshikijima, as well as of Kashima, with several local peoples of Kyushu. In their high ratio of frequency in O-type blood, the east-shoremen seem to belong the local people of Southern Kyushu; esp., they closely resemble the people of Tanegashima; whereas, the Kashima-villagers enjoy a still higher ratio. The west-shoremen closely approach to the local people of Northern Kyushu, but prove lower in ratio. In A-type frequency, both the east and west-shoremen indicate no special diversity, compared to the Noerthern and Southern Kyushu men; only the Kashima villagers have proved as inferior. In B-type frequency, the former three groups alike stand higher than the South-Kyushu men. In AB-type frequency, the western-shoremen is superior, but in Kashima villagers it has proved lower than local peoples of Kyushu. III. In eastern as well as western shoremen and Kashima villagers, the frequency of O-type which often characterized the southern peoples, shows more outstanding than in the South-Kyushu men; the eastern shoremen approach close to peoples of South-Kyushu and Tanegashima; moreover, have tendency to approach to such races and tribes as Amami-Oshima, Loochou, Taiwan-Takasago, Micronesia and Indonesia, with gradual stages in crease; the frequency in Kashima people so closely resembles those of Paiwan triwan tribe of Taiwan-Takasago race or Indonesians of Java, proving remarkably southern. In this point, the eastpeople and Kashima people, as seen from the fingerprint, reveal their southern quality; while west-shoremen, similar to the case of fingerprint, approaches to the Koreans in their low frequency of O-type blood type.