. Darwinism : an exposition of the theory of natural selection, with some of its applications. Natural selection; Evolution. 60 DARWINISM. From Table G. Id Allen's Birds of Florida. Fig. 7.—Variation of Tarsus and 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 Wallace, Alfred Russel, 1823-1913. London : Macmillan

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