. Animal biology. Biology; Zoology; Physiology. . 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 Woodruff, Lorande Loss, 1879-1947. New York The Macmillan company

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Keywords: ., bookcentury1900, books, booksubjectphysiology, booksubjectzoology