. Principles of economic zoo?logy. Zoology, Economic. iil THE £GGS RCM AIN ON VINE MONTHS IN THE VITAL PER10D——- THE GYP5Y^ >N THE TREES " YE.'iR;TH£MOST ' FEOF %\ 1^. Fig. 140.—The life cycle of the gypsy moth. (Figures after Forbush and Fernald.) (Bull. No. 121, New Hampshire State Experiment Sta- tion, December, 1905.) The gypsy moth {Ocne'ria di'spar) (Fig. 139), imported from Europe in 1868, has become a great pest of forest and shade trees in Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability
. Principles of economic zoo?logy. Zoology, Economic. iil THE £GGS RCM AIN ON VINE MONTHS IN THE VITAL PER10D——- THE GYP5Y^ >N THE TREES " YE.'iR;TH£MOST ' FEOF %\ 1^. Fig. 140.—The life cycle of the gypsy moth. (Figures after Forbush and Fernald.) (Bull. No. 121, New Hampshire State Experiment Sta- tion, December, 1905.) The gypsy moth {Ocne'ria di'spar) (Fig. 139), imported from Europe in 1868, has become a great pest of forest and shade trees in 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 Daugherty, Lewis Sylvester, 1857-; Daugherty, L. S. , Mrs. , 1859-. Philadelphia, London, W. B. Saunders
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphila, bookyear1915
