. The descent of man, and selection in relation to sex. Evolution; Natural selection; Sexual selection in animals; Human beings -- Origin; Sexual dimorphism (Animals). 194 SEXUAL SELECTION: BIRDS. [Part II. first plumage are said to resemble the mature There is also reason to believe that the male undertakes the duty of incubation, for Mr. Swinhoe 19 found the fe- li\,. W(. Fig. 60.— Rhynchsea capensis (from Brehm). males before the close of the summer associated in flocks, as occurs with the females of the Turnix. The females of Phalaropus fulicarius and P. hyperbo- reus are larger, a
. The descent of man, and selection in relation to sex. Evolution; Natural selection; Sexual selection in animals; Human beings -- Origin; Sexual dimorphism (Animals). 194 SEXUAL SELECTION: BIRDS. [Part II. first plumage are said to resemble the mature There is also reason to believe that the male undertakes the duty of incubation, for Mr. Swinhoe 19 found the fe- li\,. W(. Fig. 60.— Rhynchsea capensis (from Brehm). males before the close of the summer associated in flocks, as occurs with the females of the Turnix. The females of Phalaropus fulicarius and P. hyperbo- reus are larger, and in their summer plumage "more gayly 18 'The Indian Field,' Sept. 1858, p. 3. 19 '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 : D. Appleton and Co.
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Keywords: ., boo, bookcentury1800, bookdecade1870, booksubjectnaturalselection
