. The descent of man, and selection in relation to sex. Evolution; Heredity; Human beings; Natural selection. £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 f
. The descent of man, and selection in relation to sex. Evolution; Heredity; Human beings; Natural selection. £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*. 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
