| Abstract |
本研究では，縄文時代の人々とは大きく異なる高顔性を有するとされ，しかし，1989年以降その地域性に関して体系的な検討がなされていない北部九州弥生時代人骨の頭蓋形質の地域性に関する検討を行った．その結果，縄文時代の津雲・吉胡や西北九州の弥生時代人骨と比べると，北部九州地域，さらには山口地域を含めても，高顔という点において類似性が高い集団が存在したことが追認された．さらに，その内部において若干の差は認...められ，早良平野や春日・福岡平野・三国丘陵などでより強い高顔性を示し，周辺部にあたる遠賀川流域・朝倉・佐賀東部，さらには山口と相対的に顔高が低くなっていく傾向が確認された．この点もDoi and Tanaka（1987），中橋・永井（1989a）などの指摘を追認するものである．一方で，これまで指摘されてきた三国丘陵地域の著しい高顔性と，新町遺跡９号人骨の顔面形質が縄文あるいは西北九州的という見解については再評価が必要であること，個体レベルでの分析を行うと高顔な個体と低顔な個体はいずれの地域のどの時期においても存在することが明らかとなった．これらの結果から，いわゆる渡来的形質は北部九州地域で確立し，その内的多様性は混血が進む中で生じる多様な形質発現を一因とするものといえるであろう．
In this study, I examined the regional characteristics of cranial traits in human remains from Northern Kyushu in Yayoi period, which are said to have high facial features that differ greatly from those of human remains in Jomon period but have not been systematically examined for their regional characteristics since 1989. As a result, it was confirmed that there existed people who have similarities in terms of high facial features in the Northern Kyushu region, and even in the Yamaguchi region, when compared with the Jomon period human remains of Tsukumo and Yoshigo and the Yayoi period human remains of Northwestern Kyushu. However, some differences were observed within the group, with the Sawara plain, Kasuga, Fukuoka plain, and Mikuni hills showing a higher face, and the peripheral areas of Onga River basin, Asakura, East Saga, and Yamaguchi showing a relatively lower face height. This result was in agreement with Doi and Tanaka (1987) and Nakahashi and Nagai (1989a). On the other hand, it may be necessary to re-evaluate the facial features of the significant height of the Mikuni Hills and the facial features of the human remains of the Shinmachi Site No. 9. These results suggest that although the presence of a small number of immigrants is important, the so-called Yayoi period cranial traits are established in the Northern Kyushu region, and that the diversity of traits within the region is due to the diverse expression of traits resulting from the progression of admixture.show more
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