. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. InSalivary Development Gland7 of ITIosq. in the iTIosauito .1 /In Body I L Cavity of fllcso,.. 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; Doane, Rennie Wilbur, 1871-. New York, H. Holt and company

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