;378 APPENDIX IV. 



1905. Bailey, Vernon. Birds Known to Eat the Boll Weevil. 

 United States Department of Agriculture, Bulletin 22, 

 pages 1-66. 

 Notes on twenty species of birds that eat boll weevils. 



1905. McAtee, W. L. The Horned Larks and their Relation 

 to Agriculture. United States Department of Agricul- 

 ture, Bulletin 23, pages 1-37. 



Food habits of the one species of Horned Lark found in tlie 

 United States, which is divided into 21 subspecies. 



1905. JuDD, Sylvester D. The Grouse and Wild Turkeys of 

 the United States and their Economic Value. United 

 States Department of Agriculture, Biological Survey, Bul- 

 letin 24, pages 1-52. 



A general discussion with special reference to the wild turkey, 

 ruffed grouse and prairie hen. 



1906. Oberholser, Harry C. The Xorth American Eagles and 

 their Economic Relations. United States Department of 

 Agriculture, Biological Survey, Bulletin 27, pages 1-31. 



Food ha])its of bald, golden and gray sea eagles. 



1906. Howell, Arthur H. The Relation of Birds to the Cot- 

 ton Boll Weevil. United States Department of Agricul- 

 ture, Biological Survey, Bulletin 29, pages 1-31. 



Forty-three species of birds are listed as enemies of the boll 

 weevil. General discussion of results of investigations. 



1906. McxVtee, W. L. Birds that Eat Scale Insects. United 

 States Department of Agriculture, Yearhook, 1906, pages 

 189-198". 



Fifty-seven species of Idrds are iceorcb'd as feeding on scab* 

 insects. 



