. 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. 490 THE DESCENT OF MAN. of the former and the simpler ocelli or mere colored spots on other birds; and so with all the other characters of the peacock. Let us look to the allied Gallinaceae for any still- existing gradations. The species and sub-species of Poly- pi ectron inhabit countries adjacent to the native land of the loeacock; and they so far resemble this bird that they are iiometimes called peacock-phea
. 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. 490 THE DESCENT OF MAN. of the former and the simpler ocelli or mere colored spots on other birds; and so with all the other characters of the peacock. Let us look to the allied Gallinaceae for any still- existing gradations. The species and sub-species of Poly- pi ectron inhabit countries adjacent to the native land of the loeacock; and they so far resemble this bird that they are iiometimes called peacock-pheasants. I am also informed. Fig. 54. Feather of peacock, about two-thirds of natural size, drawn by Mr Ford. The transparent zone is represented by the outermost white zone, confined to the upper end of the disk. by Mr. Bartlett that they resemble the peacock in their voice and in some of their habits. During the spring the males, as previously described, strut about before the com- paratively plain-colored females, expanding and erecting their tail and wing feathers, which are ornamented with numerous ocelli. I request the reader to turn back to the drawing (fig. 51) of a Polyplectron. In P. napoleonis the ocelli are confined to the tail^ and the back is of a ricji. 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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