. Outlines of zoology. Zoology. Fig. ii2.—Embryo of crayfish, flattened out, with removal of yolk (greatly magnified).—After Reichenbach. Note rudiments of eyes and appendages, and in the middle line the nervous 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 Thomson, J. Arthur (John Arthur), 1861-1933. Edinburgh, Glasgow and London, H. Frowde and Hodder & Stoughton

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Keywords: ., bookauthorth, bookcentury1800, bookdecade1890, booksubjectzoology