...The reproductive apparatus comprises the different organs ofsex (embryonic glands, sexual ducts, and copulative organs)... 
Ernst Haeckel 「The Evolution of Man」
...The structure of the external sexual organs, the copulative organs that conveythe fecundating sperm from the male to the female organism in the act ofcopulation, is also peculiar to the mammals...
Ernst Haeckel 「The Evolution of Man」
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この漢字は何でしょう？？