226 WILD LIFE CONSERVATION 



Migratory Movements of Birds in Relation to Weather. 



W. W. Cooke. Government Printing Office, Washington, 



1911. Q. M. D. 

 Economic Value of Predaceous Birds and Mammals. A. C. 



Fisher. Government Printing Office, Washington, 1909. 



V. P. E. 

 American Game Bird Shooting. George Bird Grinnell. 



Forest and Stream Publishing Co., New York, 1910. 



M. Y. T. 

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K. A. A. 

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Survey of the United States Department of Agriculture. 



H. W. Henshaw. National Geographic Magazine, vol. 19, 



pp. 29-118, Washington, 1909. 

 Our Vanishing Wild Life. W. T. Hornaday. New York 



Zoological Society and Charles Scribner's Sons, New 



York, 1913. M. Y. D. 

 Game Bird Enemies. D. W. Huntington. Independent, vol. 



64, p. 500, New York, 1908. D. A. 

 The Sport of Bird Study. H. K. Job. Outing Press, New 



York, 1908. 

 Birds as Weed Destroyers. S. D. Judd. Year Book, United 



States Department of Agriculture, 1898. 

 Encouraging Birds Around the Home. Frederick H. Ken- 



nard. National Geographic Magazine, vol. 25, pp. 315- 



344, Washington, 1914. 

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States. David E. Lantz. United States Department of 



Agriculture, Washington, 1910. 

 Five Important Wild Duck Foods. W. L. McAtee. United 



States Department of Agriculture, 1914. 

 Our Vanishing Shorebirds. W. L. McAtee. United States 



Biological Survey, Circular 79. Q. G. S. 



