. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. 84 SEXUAL SELECTION: BIRD& [PartIL throwing uj) its head, or opi'iiing its tail like a Ian; now strutting about with a hopping gait until tired, when it gal)hled some kind of note, and was relieved by Fig. 50.—Rupicola crocea, male (from Brelim). Thus three of them successively took the field, an<i then, with self-api)r<)bation, withdrew to ; The Indians, in order to obtain their skins, wait at one of


. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. 84 SEXUAL SELECTION: BIRD& [PartIL throwing uj) its head, or opi'iiing its tail like a Ian; now strutting about with a hopping gait until tired, when it gal)hled some kind of note, and was relieved by Fig. 50.—Rupicola crocea, male (from Brelim). Thus three of them successively took the field, an<i then, with self-api)r<)bation, withdrew to ; The Indians, in order to obtain their skins, wait at one of the Jiieeting- places till the birds are eagerly engaged in dancing, and. 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, booksubj, booksubjecthumanbeings