. Bulletin. Zoology, Economic. 184 THE ENGLISH SPARROW IN AMERICA. bird in couuectiou with the movements of the nets, and to so control the force of j^ulling in closing them as to cause the net to strike the bird when the radius of the semicircle of either wing is at a vertical point. The irregularity of the flight of the Sparrow makes it difficult to catch many at one 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
. Bulletin. Zoology, Economic. 184 THE ENGLISH SPARROW IN AMERICA. bird in couuectiou with the movements of the nets, and to so control the force of j^ulling in closing them as to cause the net to strike the bird when the radius of the semicircle of either wing is at a vertical point. The irregularity of the flight of the Sparrow makes it difficult to catch many at one 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 United States. Division of Economic Ornithology and Mammalogy; Metcalf Collection (North Carolina State University). NCRS. Washington : Government Printing Office
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Keywords: ., bookauthormetcalfc, bookcentury1800, bookdecade1880, bookyear1889
