1997年9月,在内蒙古呼伦贝尔盟调查了947例蒙古族巴尔虎人、厄鲁特人、布里亚特人的拇指类型、环食指长、指甲形状和足趾长4项人类遗传学形态特征.研究结果显示：(1)呼盟蒙古族人多直形拇指(58.29%)，环指多长于食指(95.25%)，指甲多呈长形(64.73%)，拇趾多长于2趾(60.19%).(2)4项形态特征出现率均无性别间差异.(3)3个群体的拇指类型、指甲形状、足趾长的出现率无显著性差异.布里亚特人的环指长出现率与其他两个群体差异显著.(4)4个项目间无相关关系.%Four anthropological traits of total 947 Mongolians of B argud,Elute and Buriats including thumb type, palmar digital formula, nail t ype and plantar digital formula have been investigated in Hulunbuir League of In ner Mongolia in Sept.,1997. The results showed:(1)most Mongolians in Hulunbuir L eague were straight pollical type(58.29%),relative length of annular was over in dex(95.25%),long nail(64.73%) and the 1st toe longer than the 2nd toe of pl antar digital formula(60.19%); (2)the 4 traits showed no significant sexual diff erence; (3) the frequencies of pollical type, nail type and plantar digital formula had no obvious difference between t he 3 groups while palmar digital formula had significant difference betwe en Buriats and Elutes, Buriats and Bargud; (4)no correlation occurred between t he 4 traits.
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