42 UNIVERSITY OF COLORADO. 



Baynard, Oscar E. Food of Herons and Ibises. The Wilson Bulletin, No. 



81, Vol. XXIV, pp. 167-169, 1912. 

 Beal, F. E. L. Preliminary Report on the Food of Woodpeckers. U. S. Dept. 



Agile., Div. Orn. & Mam., Bull. No. 7, pp. 7-33, 1895. 



Crow Blackbirds and their Food. U. S. Dept. Agric., Yearbook for 1891, 



pp. 233-248, 1895. (Revised and reprinted as part of U. S. Biol. Surv., 

 Bull. No. 13, 1900.) 



The Meadowlark and Baltimore Oriole, U. S. Dept. Agric., Yearbook for 

 1895, pp. 419-430, 1896. 



The Blue Jay and its Food. U. S. Dept. Agric., Yearbook for 1896, 

 pp. 197-206, 1897. 



- Birds that Injure Grain. U. S. Dept. Agric., Yearbook for 1897, pp. 

 345-354, 1898. 



Some Common Birds in their Relation to Agriculture. U. S. Dept. Agric., 

 Farmers' Bull. No. 54, 1S98. 



The Food of Cuckoos. U. S. Dept. Agric., Biol. Surv., Bull. No. 9, pp. 

 7-14, 1898. 



- How Birds Affect the Orchard. U. S. Dept. Agric., Yearbook for 1900, 

 pp. 291-304, 1901. 



Food of the Bobolink, Blackbirds and Crackles. U. S. Dept. Agric., 

 Biol. Surv., Bull. No. 13, 1900. 



National Audubon Society, Educational Leaflet : No. 1, Remarks on 

 Economic Value of Nighthawks. 



The Relation of Birds to Fruit Growing in California. U. S. Dept. 

 Agric., Yearbook for 1904, pp. 241-254, 1905. 



- Birds of California in Relation to the Fruit Industry. U. S. Biol. Surv., 

 Part I, Bull. No. 30, 1907 ; Part II, Bull. No. 34, 1910. 



The Relation Between Birds and Insects. U. S. Dept. Agric., Yearbook 

 for 1908, pp. 343-350, 1909. 



Food of the Woodpeckers of the United States. U. S. Biol. Surv., Bull. 

 No. 37, 1911. 



Food of Our More Important Flycatchers. U. S. Biol. Surv., Bull. No. 

 44, 1912. 



See also under McAtee and Beal, and under Beal and McAtee. 



Beal, F. E. L., and McAtee, W. L. Food of Some Well-known Birds of 

 Forest, Farm and Garden. U. S. Dept. Agric., Farmers' Bull. No. 506, 

 1912. 



Bendire, C. E. Life Histories of North American Birds. U. S. Natl. Museum, 

 Special Bull. No. 1. 



Bergtold, W. H. A Study of the House Finch. The Auk, Vol. XXX, pp. 40-73, 

 1913. 



Brown, E. W. Digestion Experiments with Poultry. U. S. Bur. Animal In- 

 dustry, Bull. No. 56, 1904. 



Bryant, Harold C. The Relation of Birds to an Insect Outbreak in Northern 

 California during the Spring and Summer of 1911. The Condor, Vol. 

 XIII, pp. 195-208, 1911. 



Birds in Relation to a Grasshopper Outbreak in California. Univ. Call. 



Pub. in Zool., Vol. XI, No. 1, pp. 1-20, 1912. 



