山階鳥類研究所研究報告
Online ISSN : 1883-3659
Print ISSN : 0044-0183
ISSN-L : 0044-0183
アメリカ産齧歯類数種の精子頭部の形態と分類的関係
高橋 正樹
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ジャーナル フリー

1955 年 1 巻 6 号 p. 256-259

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The morphology of the sperm-head was studied in 9 species of the American rodents collected by Prof. S. Makino, with particular regards to the relationship to taxonomy.
The morphological features of the sperm-head show remarkable differences characteristic, not only to species but also to family. Particularly the variation in size of the sperm-head is very distinct between families. Generally there is a similarity in the feature of the sperm-head between the species belonging to the genus.

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