. 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.] ORNAMENTAL COLORS. 2^9 black, tinged with blue. In the adult female, however, the nose at certain regular intervals of time becomes tinted with red. In all the cases hitherto given the male is more strong- ly or brightly colored than the female, and differs in a. Vui. <;?.- Hraci of male Mandi 111 (from reversed style of coloring is oharaoteristio <»i ths two sexes With some |< \\ birds, BO with the iihesnt


. 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.] ORNAMENTAL COLORS. 2^9 black, tinged with blue. In the adult female, however, the nose at certain regular intervals of time becomes tinted with red. In all the cases hitherto given the male is more strong- ly or brightly colored than the female, and differs in a. Vui. <;?.- Hraci of male Mandi 111 (from reversed style of coloring is oharaoteristio <»i ths two sexes With some |< \\ birds, BO with the iihesnt monkey (MarariiH rhtsns) ihe leimile bai :i large surface of naked. 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: ., bookcentury1900, booksubjectevolutionbio, booksubjecthumanbeings