Archive image from page 356 of The descent of man, and. The descent of man, and selection in relation to sex descentofmanse00darw Year: 1870 £HAK XII.] FISHES, 35S colors; or these are much brighter in the male than in the fe- male. The male, also, is sometimes provided with appendages which appear to be of no more use to him for the ordinary- purposes of life than sure the tail feathers to the peacock. I am indebted for most of the following facts to the kindness of Dr. Giinther. There is rrason to suspect that many tropical fishes differ sexually in color and structure; and there are some s

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Archive image from page 356 of The descent of man, and. The descent of man, and selection in relation to sex descentofmanse00darw Year: 1870 £HAK XII.] FISHES, 35S colors; or these are much brighter in the male than in the fe- male. The male, also, is sometimes provided with appendages which appear to be of no more use to him for the ordinary- purposes of life than sure the tail feathers to the peacock. I am indebted for most of the following facts to the kindness of Dr. Giinther. There is rrason to suspect that many tropical fishes differ sexually in color and structure; and there are some striking cases with our British fishes. The male Callio

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