. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. Chap. XIII.] LOVE-ANTICS. 67 " amusing itself by flying backward and forward, taking a shell alternately from each side, and carrying it through the archway in its ; These curious structures,. 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 Darw
. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. Chap. XIII.] LOVE-ANTICS. 67 " amusing itself by flying backward and forward, taking a shell alternately from each side, and carrying it through the archway in its ; These curious structures,. 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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