. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. 270 SEXUAL-SELECTION: MAMMALS. [I'aut II. vidrc), and of certain antelopes, are furnished with a dew- lap, or great fold of skin on the neck, which is much less developed in the female. Now, what must we conclude with respect to such sexual diiferences as these ? No one will pretend that the. Fio. » Satanu, male (from Brchm). beards of certain male goat*, or the dewlap of the bnH or the erosK ,.f hair ah.,,* ,!,, l,„ ks
. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. 270 SEXUAL-SELECTION: MAMMALS. [I'aut II. vidrc), and of certain antelopes, are furnished with a dew- lap, or great fold of skin on the neck, which is much less developed in the female. Now, what must we conclude with respect to such sexual diiferences as these ? No one will pretend that the. Fio. » Satanu, male (from Brchm). beards of certain male goat*, or the dewlap of the bnH or the erosK ,.f hair ah.,,* ,!,, l,„ ks of ,(Ttain ,„al, ante' of any direct or ordinary use to them. It is possible that the immense beard of the male Pithed*, and the large beard of the male Orang, may protect their Jhroats when fighting; for the keepers in the Zoological Gardens inform me that many monkeys attack each other by the throat: but if is not probable that the beard has. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Darwin, Charles, 1809-1882. New York: D. Appleton and Company
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