. Zoology : for students and general readers . Zoology. Fig. 331. —Cor- eus tristis, aquaali- bug. Fig. -Seventeen-year Locust. pupa ; d, incisions for eggs.—After Riley. An aberrant form is Thrips (Pig. 335, Thrips cere'alium), with long, slender white wings and free biting mouth-parts. While most insects live but a year or two, or three at the. 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 Packard, A. S.

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. Zoology : for students and general readers . Zoology. Fig. 331. —Cor- eus tristis, aquaali- bug. Fig. -Seventeen-year Locust. pupa ; d, incisions for eggs.—After Riley. An aberrant form is Thrips (Pig. 335, Thrips cere'alium), with long, slender white wings and free biting mouth-parts. While most insects live but a year or two, or three at the. 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 Packard, A. S. (Alpheus Spring), 1839-1905. New York : Henry Holt

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1879