. The descent of man, and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings -- Origin. 543 The Descent of Alan. Part II, pigs, and tapirs, may be due to a change in the general colour of their coats; but whether this change was effected through sexual or natural selection, or was due to the direct action of the conditions of life, or to some other unknown cause, it is impossible to decide. An observation made by Mr. Sclater well illustrates our ignorance of the laws which regulate the appearance and disappearance of stripes; the species of Asinus which inhabit
. The descent of man, and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings -- Origin. 543 The Descent of Alan. Part II, pigs, and tapirs, may be due to a change in the general colour of their coats; but whether this change was effected through sexual or natural selection, or was due to the direct action of the conditions of life, or to some other unknown cause, it is impossible to decide. An observation made by Mr. Sclater well illustrates our ignorance of the laws which regulate the appearance and disappearance of stripes; the species of Asinus which inhabit the Asiatic continent are destitute of stripes, not having even. IL. 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, Appleton
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Keywords: ., boo, bookcentury1800, bookdecade1880, booksubjectnaturalselection
