Archive image from page 640 of The descent of man, and. The descent of man, and selection in relation to sex descentofmansele1874darw Year: 1874 Fig. 78. Head of Semnopithecus comatus. Fig. 74. Head of Cebus capucinua Pig. 75. Head of Ateles marginatus Head of Cebus vellerosus. With many of the Quadrumana, we have additional evi- dence of the action of sexual selection in the greater size and strength of the males, and in the greater development of their canine teeth, in comparison with the females. A few instances will suflBce of the strange manner in which both sexes of some species are

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Archive image from page 640 of The descent of man, and. The descent of man, and selection in relation to sex descentofmansele1874darw Year: 1874 Fig. 78. Head of Semnopithecus comatus. Fig. 74. Head of Cebus capucinua Pig. 75. Head of Ateles marginatus Head of Cebus vellerosus. With many of the Quadrumana, we have additional evi- dence of the action of sexual selection in the greater size and strength of the males, and in the greater development of their canine teeth, in comparison with the females. A few instances will suflBce of the strange manner in which both sexes of some species are colored and of the beauty of others. The face of the Cercopithecus petaurista

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