. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. 194 SEXUAL SELECTION: BIRDS. [Part 11. 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-. Fig. 60.— Rkynchsea capensis (from Brelrm). 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 thei
. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. 194 SEXUAL SELECTION: BIRDS. [Part 11. 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-. Fig. 60.— Rkynchsea capensis (from Brelrm). 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 " '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 Company
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Keywords: ., bookcentury1900, booksubjectevolutionbio, booksubjecthumanbeings