. Principles of economic zoo?logy. Zoology, Economic. 306 BRANCH CHORDATA Where man has not interfered, nature has a well-balanced arrangement for the protection of his crops. The grasses and low-growing herbs are protected from such enemies as the cut- worm, caterpillar, and grasshopper by the chipping sparrow, robin, and bluebird, and, farther afield, by the quail, meadow- lark, blackbird, and field sparrow. In the edge of the woods are. Fig. —Bluebird at edge of nest with grasshopper in mouth. (From photograph by R("v. P. B. Peabody.) (Bulletin 17, Biological Survey, U. S. Dept. o
. Principles of economic zoo?logy. Zoology, Economic. 306 BRANCH CHORDATA Where man has not interfered, nature has a well-balanced arrangement for the protection of his crops. The grasses and low-growing herbs are protected from such enemies as the cut- worm, caterpillar, and grasshopper by the chipping sparrow, robin, and bluebird, and, farther afield, by the quail, meadow- lark, blackbird, and field sparrow. In the edge of the woods are. Fig. —Bluebird at edge of nest with grasshopper in mouth. (From photograph by R("v. P. B. Peabody.) (Bulletin 17, Biological Survey, U. S. Dept. of .\grii-ulture.) the chewinks and brown thrashers; and in the deep woods, the ruffed grouse; while along the fresh-water streams andpontls may be seen the woodcocks, sandpipers, and snipes. In the trees "the woodpeckers, assisti^i by the nuthatches and creepers, look after insects on and beneath the bark of both the trunk and the ;! The chickadees, bluebirds, thrushes, warblers, ' Weed and Dearborn, " Birds in Theii Relation to Man.''. 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
