. The descent of man, and selection in relation to sex. Evolution; Natural selection; Sexual selection in animals; Human beings -- Origin; Sexual dimorphism (Animals). 140 SEXUAL SELECTION: BIRDS. [Part II. spot (5), with its bright shading, there is a long, narrow, black mark (c), belonging to the same row, and which is arched a little downward so as to face (b). It is also narrowly edged on the lower side with a fulvous tint. To the left of and above c, in the same oblique direction, but. Please note that these images are extracted from scanned page images that may have been digitally enhanc
. The descent of man, and selection in relation to sex. Evolution; Natural selection; Sexual selection in animals; Human beings -- Origin; Sexual dimorphism (Animals). 140 SEXUAL SELECTION: BIRDS. [Part II. spot (5), with its bright shading, there is a long, narrow, black mark (c), belonging to the same row, and which is arched a little downward so as to face (b). It is also narrowly edged on the lower side with a fulvous tint. To the left of and above c, in the same oblique direction, but. 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 Co.
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Keywords: ., boo, bookcentury1800, bookdecade1870, booksubjectnaturalselection
