. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. SEXUAL SELECTIOX. [Part II. 27.) In our salmon this change of structure lasts only during the breeding-season ; but in the Salmo lycaodon of Northwestern America the change, as Mr J. K. Lord ^. Fig. 2G.—Head of male of common palmon (Salmo ealar) during the brceding- eeason. [TluH drawing, as well ns all the others in the present chapter, have been ex- ecnted l)y the well-known artist, Mr. G. Ford, under the kind superintendence o
. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings. SEXUAL SELECTIOX. [Part II. 27.) In our salmon this change of structure lasts only during the breeding-season ; but in the Salmo lycaodon of Northwestern America the change, as Mr J. K. Lord ^. Fig. 2G.—Head of male of common palmon (Salmo ealar) during the brceding- eeason. [TluH drawing, as well ns all the others in the present chapter, have been ex- ecnted l)y the well-known artist, Mr. G. Ford, under the kind superintendence of Dr. Oflnther, from specimens in the British Museum]. 'The Naturalist iu Vancouver's Island,' vol. 1. 1SG6, 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: ., bookcentury1800, bookdecade1870, booksubj, booksubjecthumanbeings
