. Elementary text-book of zoology. Zoology. FIG. 473.—Phylloxei'ir nistufru: n, Wing-less 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; Sedgwick, Adam, 1854-1913; Sinclair, F. G. (Frederick Granville), b. 1858. New York : Macmillan

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884