. The germ-cell cycle in animals . Cells. Fig. 72. — Chromosome cycle in Phylloxera canjCBcaulis. {From. Mot- garCs Heredity and Sex, published by the Columbia UniversUy Press.). 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 Hegner, Robert William, 1880-1942. New York : The Macmillan Company

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcells, bookyear1914