. The descent of man, and selection in relation to sex. Evolution; Heredity; Human beings; Natural selection. 350 THE DESCENT OF MAN. [part It in the proportional size of the I'^ad and mouth, and in the po- sition of the eye; ^'^ but the most striking difference is the ex- traordinary elongation in the, male (fig. 29) of the dorsal fin. Mr. W. Saville Kent remar^Ls that this ''singular appendage appears from my observatit)ns of the species in confinement, to be subservient to the same end as the wattles, crests, and other abnormal adjuncts of the male in gallinaceous birds, for the purpose of


. The descent of man, and selection in relation to sex. Evolution; Heredity; Human beings; Natural selection. 350 THE DESCENT OF MAN. [part It in the proportional size of the I'^ad and mouth, and in the po- sition of the eye; ^'^ but the most striking difference is the ex- traordinary elongation in the, male (fig. 29) of the dorsal fin. Mr. W. Saville Kent remar^Ls that this ''singular appendage appears from my observatit)ns of the species in confinement, to be subservient to the same end as the wattles, crests, and other abnormal adjuncts of the male in gallinaceous birds, for the purpose of fascinating their ; ^^ The young males resemble the adult females in structure and color. Through-. 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 Hurst


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Keywords: ., bookcentury1800, bookdecade1870, booksubjecthumanbeings, bookyear