. Zoology for high schools and colleges. Zoology. Fig. 327.—Seventeen-year Locust, a, 6, pupa; d, incisions for eggs.—After Riley. finishing its transforma,tions on the seventeenth; there is also, according to Eiley, a thirteen-year variety of this species. The froth insect {Ptyelus lineatus) abounds on grass in early summer. The cochineal insect {Coccus cacti) belongs to the Coccidce, or bark-lice; the dried female is used as a dyestuff, and abounds in Central Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability -


. Zoology for high schools and colleges. Zoology. Fig. 327.—Seventeen-year Locust, a, 6, pupa; d, incisions for eggs.—After Riley. finishing its transforma,tions on the seventeenth; there is also, according to Eiley, a thirteen-year variety of this species. The froth insect {Ptyelus lineatus) abounds on grass in early summer. The cochineal insect {Coccus cacti) belongs to the Coccidce, or bark-lice; the dried female is used as a dyestuff, and abounds in Central 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, H. Holt and Company


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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectzoology