. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. Fig. 473.—Pht/lloxera vanfafrix. a. Wingless root-louse seen from the back, b, from the ventral surface. c. Winged 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 Claus, Carl, 1835-1899; Metcalf Collection (North Carolina State University). NCRS. London, Swan Sonnenschein

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanimals, bookyear1892