. Bird friends; a complete bird book for Americans. Birds. xu CONTENTS B. Their Economic Value VII. Friends among the Birds as Destroyers of Insect Pests 63 Bureau of Biological Survey â Methods of determin- ing food of birds â Harm done by insects â Nature's check on insects â Service performed by birds â Amount of food eaten by birds â Value of nestling birds â Control of insect outbreaks â Division of labor â Birds of a Maryland farm â Birds and human health. VIII. Friends among the Birds as Destroyers of Weed Seeds 84 Harm doncbi For. %iss^ clarget. 42nd St., N. Y. 18, Dept: 501-HT IX : '
. Bird friends; a complete bird book for Americans. Birds. xu CONTENTS B. Their Economic Value VII. Friends among the Birds as Destroyers of Insect Pests 63 Bureau of Biological Survey â Methods of determin- ing food of birds â Harm done by insects â Nature's check on insects â Service performed by birds â Amount of food eaten by birds â Value of nestling birds â Control of insect outbreaks â Division of labor â Birds of a Maryland farm â Birds and human health. VIII. Friends among the Birds as Destroyers of Weed Seeds 84 Harm doncbi For. %iss^ clarget. 42nd St., N. Y. 18, Dept: 501-HT IX : ' for the Spring Floods! t SUMP PUMPS Aristocrat automatic elec- imp Model Kl with non- ;ller. is a submerged type .__ drainer, having a shaft to a Vi horsepower. ieavy Duty 115 Volt mp unit has a capacity of aer hour, free discharge, or XT hour against a five foot laller capacities up to a ead. VT! inches high, 11 inches wide. â ^i-t moio-ht C9Q OSS COMBINATION FAUCETS. weight. Reg.$ "OB Newark, N. J. fIDSON'S IMBING SUPPLY T AVE., NEWARK, N. J. Chrome Plated, Brass, with soap tray. Will fit ony sink. Standard size. Value $ OUR PRICE. 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 Trafton, Gilbert H. (Gilbert Haven), 1874-. Boston, New York, Houghton Mifflin company
Size: 1997px × 1252px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherb, booksubjectbirds