. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings -- Origin. Fig. 7.—Orcbestia Darwinii (from Fritz Miiller), showing the differently-con' etructed chelse of the two male forms. fact shows that in the Amphipoda, an order low in the scale, the males and females recognize each other, and are mutually 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
. The descent of man, and selection in relation to sex. Evolution (Biology); Sexual selection in animals; Sexual dimorphism (Animals); Sex differences; Human beings -- Origin. Fig. 7.—Orcbestia Darwinii (from Fritz Miiller), showing the differently-con' etructed chelse of the two male forms. fact shows that in the Amphipoda, an order low in the scale, the males and females recognize each other, and are mutually 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, booksubjectevoluti, bookyear1872
