. Darwinism : an exposition of the theory of natural selection, with some of its applications. Natural selection; Evolution. DIAGRAM OF VARIATION 47 1 S 6 7 9 11 U. 1 3 5 7^ 9 11 14 The lengths in the table are giuea in millimetres, which are here reduced to inches for the means. Fig. 1.—Yariatious of Laccrta 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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