. The descent of man, and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings -- Origin. Chap. XIII. Display by the Male. 395 appearance. Similar facts have already been given with respect to grouse of various kinds. Turning to another Order. The male Rupicola crocea (fig. 50) is one of the most beautiful birds in the world, being of a splendid orange, with some of the feathers curiously truncated and plumose. The female is brown- ish-green, shaded with red, and has a much smaller crest. Sir R. Schomburgk has described their courtship; he found one. Fig. 50. Itup
. The descent of man, and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings -- Origin. Chap. XIII. Display by the Male. 395 appearance. Similar facts have already been given with respect to grouse of various kinds. Turning to another Order. The male Rupicola crocea (fig. 50) is one of the most beautiful birds in the world, being of a splendid orange, with some of the feathers curiously truncated and plumose. The female is brown- ish-green, shaded with red, and has a much smaller crest. Sir R. Schomburgk has described their courtship; he found one. Fig. 50. Itupicola crocea, male (T. W. Wood). of their meeting-places where ten males and two females were present. The space was from four to five feet in diameter, and appeared to have been cleared of every blade of grass and smoothed as if by human hands. A male " was capering, to the " apparent delight of several others. Now spreading its wings, " throwing up its head, or opening its tail like a fan; now " strutting about with a hopping gait until tired, when it. 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
