380 APPENDIX IV. 



1910. Dearborn, Ned, How to Destroy English Sparrows. 

 United States Department of Agriculture, Farmers' Bul- 

 letin 383, pages 1-11. 



A practical discussion. 



1910. Oldys, Henry. Pheasant Eaising in the United States. 

 United States Department of Agriculture, Farmers' Bul- 

 letin 390, pages 1-40. 



A general discussion. 



1911. Beal, F. E. L. Food of the Woodpeckers of the United 

 States. United States Department of Agriculture, Bio- 

 logical Survey, Bulletin 37, pages 1-64. 



" Formal reports on the food habits of sixteen species." 



1911. McAtee, ay. L. Woodpeckers in Eelation to Trees and 

 Wood Products. United States Department of Agricul- 

 ture, Biological Survey, Bulletin 39, pages 1-99. 



A discussion of the effect of the work of sapsuckers on trees 

 and lumber. 



1911. McAtee, W. L. Our Vanishing Shorebirds. United 

 States Department of Agriculture, Biological Survey, Cir- 

 cular 79, pages 1-9. 



Note on economic values and necessity of protection. 



1911. Cooke, W. W. Distribution of the American Egrets. 

 United States Department of Agriculture, Biological Sur- 

 vey, Circular 84, pages 1-5. 



Discussion of iilgret and Snowy Egret. 



1911. McAtee, W. L. Bird Enemies of the Codling Moth. 

 United States Department of Agriculture, Yearbook, 1911, 

 pages 237-246. 



Shows usefulness of birds against the codling moth. 



