. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. 292 SEXUAL SELECTION: MAMMALS. [PartIL a manner, and an- iurni^lRMl with such curious and elegant crests ot'liair, that we can hardly avoid looking at these characters as having been gained for the sake of orna- ment. The accompanying figures (Figs. 70 to 74) serve. Fio. 70.—Head of Semnopithccus nibicundus. This and the followinpr flpmres (from Prof. Gervaisi are jrivcn to ghow the odd arrangement and develop- ment of lUe hair on
. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. 292 SEXUAL SELECTION: MAMMALS. [PartIL a manner, and an- iurni^lRMl with such curious and elegant crests ot'liair, that we can hardly avoid looking at these characters as having been gained for the sake of orna- ment. The accompanying figures (Figs. 70 to 74) serve. Fio. 70.—Head of Semnopithccus nibicundus. This and the followinpr flpmres (from Prof. Gervaisi are jrivcn to ghow the odd arrangement and develop- ment of lUe hair on the head. to show the arrangement of the hair on the face and head in several species. It is scarcely conceivable that these crests of hair and strongly-contrasted colors of the fur and skin can be the result of mere variability without the aid of selection; and it is inconceivable that they can be of any ordinary use to these animals. If so, they have probably been gained through sexual selection, though transmitted equally, or almost equally, to both 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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Keywords: ., bookcentury1800, bookdecade1870, booksubj, booksubjecthumanbeings
