. The descent of man : and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. BIRDS—YOUNG LIKE ADULT MALES. 471 incubation, for Mr. Swinhoe^^ found the females before the close of the summer associated in flocks, as occurs with the females of the Turnix. The females of Phalaropus fulicarius and P. hj'-perboreus are larger, and in their summer plumage "more gayly attired than. Fig. 62. Rhynchaea capeiisis (from Brehm). "the ; But the difference in color between the sexes is far from conspicuous. According to Professor Steenstrup, the male al
. The descent of man : and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. BIRDS—YOUNG LIKE ADULT MALES. 471 incubation, for Mr. Swinhoe^^ found the females before the close of the summer associated in flocks, as occurs with the females of the Turnix. The females of Phalaropus fulicarius and P. hj'-perboreus are larger, and in their summer plumage "more gayly attired than. Fig. 62. Rhynchaea capeiisis (from Brehm). "the ; But the difference in color between the sexes is far from conspicuous. According to Professor Steenstrup, the male alone of P. fulicarius undertakes the duty of incubation; this is likewise shown by the state of his breast-feathers during the breeding-season. The female of the dotterel plover (Eudro- mias morinellus) is larger than the male, and has the red and black tints on the lower surface, the white crescent on the breast. i» 'Ibis,' 1866, p. 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 : Merrill and Baker
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