. Biennial report of the Department of Agriculture. Agriculture. Woolly Aphis.—a, Affected root of young tree; b, section of root with cluster of aphides; c, root aphis fe- male o, and b, natural size; c, much enlarged. (After Marlatt; Circular 20 Bureau of Entomology, U. S Dept. Agr.). San Jose Scale, female and cluster of established young. (After Lowe and Y. Agr. Bui. 193.). 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 resemb

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. Biennial report of the Department of Agriculture. Agriculture. Woolly Aphis.—a, Affected root of young tree; b, section of root with cluster of aphides; c, root aphis fe- male o, and b, natural size; c, much enlarged. (After Marlatt; Circular 20 Bureau of Entomology, U. S Dept. Agr.). San Jose Scale, female and cluster of established young. (After Lowe and Y. Agr. Bui. 193.). 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 Tennessee. Dept. of Agriculture. Nashville, Tenn. : The Dept.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectagriculture, bookyear