INDEX TO PAPERS RELATING TO FOOD OF BIRDS. 25 



Eeport of the chief of the Division of Biological Survey. By C. 

 Hart Merriam. pp. 291-305. 



This report mentions bird enemies of the codling moth in California, dis- 

 cusses the relation of birds to honeybees, and comments on the importation of 3 

 species of injurious birds. 



1905. 



Report of the chief of the Division of Biological Survey. By C. Hart 

 Merriam. pp. 303-315. 



A brief statement of the economic value of horned larks and grosbeaks is in- 

 cluded in this report. 



1906. 



Eeport of the acting chief of the Bureau of Biological Survey. By 

 Henry W. Henshaw. pp. 397^18. 



Includes brief discussion of the following topics: Ravages of geese in Cali- 

 fornia grainflelds, birds in relation to the cotton-boll weevil, economic value of 

 eagles, also of grosbeaks, food of wild ducks, and means of attracting birds. 



1907. 



Report of the chief of the Bureau of Biological Survey. By C. Hart 

 Merriam. pp. 485-505. 



This report discusses scale-eating birds, grosbeaks, the English sparrow, and 

 the relation of birds to the cotton-boll weevil. 



1908. 



Report of the chief of the Bureau of Biological Survey. By C. Hart 

 Merriam. pp. 571-590. 



The economic topics receiving consideration in this report are as follows : 

 Relation of birds to the cotton-boll weevil, California birds in relation to the 

 fruit industry, food of wild ducks, food of woodpeckers, mosquito-eating birds, 

 birds in relation to the codling moth, the spread of the English sparrow in 

 southern California, and means of attracting birds. European skylarks and 

 song thrushes imported for liberation were denied admission, and an investiga- 

 tion of the economic status of the starling is announced. 



1909. 



Report of the chief of the Bureau of Biological Survey. By C. Hart 

 Merriam. pp. 533-551. m 



The problem of keeping English sparrows out of southern California receives 

 further attention in this report. Other economic subjects considered are the 

 food of woodpeckers, flycatchers, wild ducks, and shorebirds; birds in relation 

 to wheat aphids, to the boll weevil, and to the fruit industry in California ; and 

 the exclusion of injurious species from Hawaii. 



51197°— Bull. 43—13 4 



