. Darwinism : an exposition of the theory of natural selection, with some of its applications. Natural selection; Evolution. 426 DARWINISM CHAP. produced by some other power, then natural selection is not wanted. If, on the other hand, both fit and unfit are produced, and natural selection decides between them, that is pure Dar- winism, and Mr. Cope's theories have added nothing to Fig. 35.—Transformation of Artemia salina to A. Milhausenii; 1, tail-lobe of A. salina, and its transition through 2, 3, 4, 5, to 6, into that of A. Milhausenii; 7, post-abdomen of A. salina; 8, post-abdomen of
. Darwinism : an exposition of the theory of natural selection, with some of its applications. Natural selection; Evolution. 426 DARWINISM CHAP. produced by some other power, then natural selection is not wanted. If, on the other hand, both fit and unfit are produced, and natural selection decides between them, that is pure Dar- winism, and Mr. Cope's theories have added nothing to Fig. 35.—Transformation of Artemia salina to A. Milhausenii; 1, tail-lobe of A. salina, and its transition through 2, 3, 4, 5, to 6, into that of A. Milhausenii; 7, post-abdomen of A. salina; 8, post-abdomen of a form bred in brackish ^vater; 9, gill of A. Milhausenii; 10, gill of A. salina. (From Schmauke- witsch.) Semper on the Direct Influence of the Environment. Another eminent naturalist. Professor Karl Semper of Wiirzburg, also adopts the view of the direct transforming power of the environment, and has brought together an. 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 ; New York : Macmillan
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