. The descent of man, and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings; Sexual selection in animals; Sexual dimorphism (Animals); Sex differences. MAMMALS. 60? beard, bui» it disappears in some of the domestic breeds of the common goat; and neither sex of the Hemitragus has a beard. In the ibex the beard is not developed during the summer, and it is so small at other times that it may be called rudimentary.* With some monkeys the beard is confined to the male, as in the orang; or is much larger in. Fig. 68. Pithecia satanas, male (from Brehm). the male tha
. The descent of man, and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings; Sexual selection in animals; Sexual dimorphism (Animals); Sex differences. MAMMALS. 60? beard, bui» it disappears in some of the domestic breeds of the common goat; and neither sex of the Hemitragus has a beard. In the ibex the beard is not developed during the summer, and it is so small at other times that it may be called rudimentary.* With some monkeys the beard is confined to the male, as in the orang; or is much larger in. Fig. 68. Pithecia satanas, male (from Brehm). the male than in the female, as in the Mycetes car ay a and Pithecia satanas (fig. 68). So it is with the whiskers of some species of Macaous,f and, as we have seen, with the manes of some species of baboons. But with most kinds of monkeys the various tufts of hair about the face and head are alike in both sexes. * See Dr. Gray's " Cat. of Mammalia in British Museum," part iii» 1S52, p. 144. fRengger, **Saugetliiere/' etc.^ s. 14; Dei^mare^t, *'M^mm(il ; p, 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 : A. L. Burt
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Keywords: ., bookcentury1800, bookdecade1870, booksubjecthumanbeings, bookyear