. Elementary principles of agriculture : a text book for the common schools. Agriculture. I Fig. 103. The cotton-boll worm. After Quaintance and Bmes. on com silk, twice natural size; 2-4, early larval stages, somewhat enlarged; 5, boll-worm eating into half-grown ball, natural size; 6, mature larva, natural size; 7, boU-wonn on green tomato, one-half natural size; 8, full grown larva burrowing into soil for pupation; 9n, showing line of movement of larva into the soil; 96, pupal chamber with pupa at bottom; 10, mature pupa, slightly magnified; H, boll-worm moth with wings expanded, nat

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. Elementary principles of agriculture : a text book for the common schools. Agriculture. I Fig. 103. The cotton-boll worm. After Quaintance and Bmes. on com silk, twice natural size; 2-4, early larval stages, somewhat enlarged; 5, boll-worm eating into half-grown ball, natural size; 6, mature larva, natural size; 7, boU-wonn on green tomato, one-half natural size; 8, full grown larva burrowing into soil for pupation; 9n, showing line of movement of larva into the soil; 96, pupal chamber with pupa at bottom; 10, mature pupa, slightly magnified; H, boll-worm moth with wings expanded, natural 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 Ferguson, A. M. (Alexander McGowen), 1874-; Lewis, Lowery Laymon, 1869-. Chicago, Ill. : Ferguson Publishing Company

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear