. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. Chap. XVIII ] EQUAL TRANSMISSION. 285 with snow, the pale winter coats would probably be ren- dered, through natural selection, whiter and whiter by de- grees, until they become as white as snow. Although we must admit that many quadrupeds have. Fig. 68.—Tragelaphus Rcriptus, male (from the Knowsley Menagerie). received their present tints as a protection, yet with a host of species the colors are far too conspicuous and too sin-


. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. Chap. XVIII ] EQUAL TRANSMISSION. 285 with snow, the pale winter coats would probably be ren- dered, through natural selection, whiter and whiter by de- grees, until they become as white as snow. Although we must admit that many quadrupeds have. Fig. 68.—Tragelaphus Rcriptus, male (from the Knowsley Menagerie). received their present tints as a protection, yet with a host of species the colors are far too conspicuous and too sin- gularly arranged to allow us to suppose that they serve for this purpose. We may take as an illustration certain antelopes: when we see that the square white patch on. 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