. Text-book of embryology. Embryology. 40 EMBRYOLOGY OF THE LOWER VERTEBRATES ch. accompanied, no doubt, by a certain amount of involution though this is difficult to determine with certainty, has proceeded much. 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 MacBride, E. W. (Ernest William), 1866-1940; Kerr, John Graham, 1869-; Heape, Walter, 1855-1929. London : Macmillan

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Keywords: ., bookcentury1900, bookdecade1910, bookpubli, booksubjectembryology