Archive image from page 370 of The descent of man, and. The descent of man, and selection in relation to sex descentofmansele187201darw Year: 1872 Chap. X.] COLEOPTERA. 357 red thorax. On the whole, as far as I could judge, the females of those PrionidaB, in which the sexes differ, are colored more richly than the males ; and this does not ac- cord with the common rule in regard to color when ac- quired through sexual selection.

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