. The descent of man, and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings -- Origin. Chap. XIII. Law of Battle. 3^5 are larger in the male than in the In certain plovers, however, the wing-spurs must be considered as a sexual cha-. Fig. 28. Palamedea cornuta (from Brehm), shewing the double wing-spurs, and the filament, on the head. 16 For the Egyptian goose, see p. 639. For Plectropterus, 'Living- Macgillivray,' British Birds,' vol. iv. stone's Travels,' p. 254. For Pala-. Please note that these images are extracted from scanned page images that ma
. The descent of man, and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings -- Origin. Chap. XIII. Law of Battle. 3^5 are larger in the male than in the In certain plovers, however, the wing-spurs must be considered as a sexual cha-. Fig. 28. Palamedea cornuta (from Brehm), shewing the double wing-spurs, and the filament, on the head. 16 For the Egyptian goose, see p. 639. For Plectropterus, 'Living- Macgillivray,' British Birds,' vol. iv. stone's Travels,' p. 254. For Pala-. 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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