Archive image from page 17 of The descent of man, and. The descent of man, and selection in relation to sex descentofmansel02darw Year: 1871 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 sp
Archive image from page 17 of The descent of man, and. The descent of man, and selection in relation to sex descentofmansel02darw Year: 1871 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. 54.
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