. Darwin, and after Darwin. An exposition of the Darwinian theory and a discussion of post-Darwinian questions. Evolution; Heredity. Embryology. lo: indicate the fact that when cell-growth proceeds beyond a certain point cell-division ensues. The size to which cells may grow before they thus divide is very variable in different kinds of cells ; for while some may normally attain a length of ten or twelve inches, others divide before they measure yoVir of an inch. This, however, is a matter of detail, and does not affect the general physiological principles on which we are at present
. Darwin, and after Darwin. An exposition of the Darwinian theory and a discussion of post-Darwinian questions. Evolution; Heredity. Embryology. lo: indicate the fact that when cell-growth proceeds beyond a certain point cell-division ensues. The size to which cells may grow before they thus divide is very variable in different kinds of cells ; for while some may normally attain a length of ten or twelve inches, others divide before they measure yoVir of an inch. This, however, is a matter of detail, and does not affect the general physiological principles on which we are at present 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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