. The descent of man : and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. 548 The Descent of Man. Part II. pigs, and tapirs, may bo due to a change in the general colour of their coats; but whether this change was eiiected 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 Asiati


. The descent of man : and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. 548 The Descent of Man. Part II. pigs, and tapirs, may bo due to a change in the general colour of their coats; but whether this change was eiiected 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. Fifr. 72. Tloatl of Senmopithecus rubicundus. This and the following figures (from Prof. (Jprvais) are given to shew the odd arrangement and development of the hair on the head. the cross shoulder-stripe, whilst those which inhabit Africa are conspicuously striped, with the ]iartial exception of A. ;tuopus, â which has only the cross shoulder-stripe and generally some faint bars on the legs ; and this species inhabits the almost inter- noediate region of Upper l^^gypt and ;** " ' Proc. Zool. Soc' 1862, ]). \M. L;indw.' Bd. xliii. a. 222. Ser, also, Dr. Iliutmanu, ' Auu. 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, booksubjecthumanbeings, bookyear