. The descent of man : and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. REPTILES. 3S1 crest running along the neck; and this is much more developed in the full-grown males, than in the females or young ; A Chinese species is said to live in pairs during the spring; "and if one is caught, the other falls from the tree to the ground, "and allows itself to he captured with impunity"—I presume from despair.''^ There are other and much more remarkable differences between the sexes of certain lizards. The male of Ceratophora aspera bea
. The descent of man : and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. REPTILES. 3S1 crest running along the neck; and this is much more developed in the full-grown males, than in the females or young ; A Chinese species is said to live in pairs during the spring; "and if one is caught, the other falls from the tree to the ground, "and allows itself to he captured with impunity"—I presume from despair.''^ There are other and much more remarkable differences between the sexes of certain lizards. The male of Ceratophora aspera bears on the extremity of his snout an appendage half as long. 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 : Merrill and Baker
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Keywords: ., bookcentury1800, bookdecade1870, booksubjecthumanbeings, bookyear
