. Darwin, and after Darwin. An exposition of the Darwinian theory and a discussion of post-Darwinian questions. Evolution; Heredity. 84 Darwin, and after Darwin. these muscles persist, and are then described by anatomists as abnormalities. The following illustra- tions serve to show the muscles in question, when thus found in adult man. S\if?yfi spijioiis Li<. dvk^rol^^ todcydi^ l^s'. Coccyx. Fig. 17.—Front and back view of adult human sacrum, showing abnormal persistence of vestigial tail-muscles. (The first drawing is copied from Prof Watson's paper in Journl. Anat. and Physiol., yo\. 79
. Darwin, and after Darwin. An exposition of the Darwinian theory and a discussion of post-Darwinian questions. Evolution; Heredity. 84 Darwin, and after Darwin. these muscles persist, and are then described by anatomists as abnormalities. The following illustra- tions serve to show the muscles in question, when thus found in adult man. S\if?yfi spijioiis Li<. dvk^rol^^ todcydi^ l^s'. Coccyx. Fig. 17.—Front and back view of adult human sacrum, showing abnormal persistence of vestigial tail-muscles. (The first drawing is copied from Prof Watson's paper in Journl. Anat. and Physiol., yo\. 79 : the second is compiled from different specimens.) (6) Vermiform Appendix of the Caecum.—This is of large size and functional use in the process of digestion among many herbivorous animals; while in man it is not only too small to serve any such purpose, but is even a source of danger to life—many persons dying every year from inflammation set up by the lodge- ment in this blind tube of fruit-stones, &c. In the orang it is longer than in man (Fig. 18), as. 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 Romanes, George John, 1848-1894. Chicago The Open Court Pub. Co
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