420 BULLETIN 196, UNITED STATES NATIONAL MUSEUM 



Arnold, Clarence M. 



1907. Robins and sparrows. Bird-Lore, vol. 9, p. 84. 

 Arrigoni deoli Oddi, Ettore. 



1929. Ornitologia Italiana. 

 Audubon, John James. 



1840. The birds of America, vol. 1. 



1841. The birds of America, vol. 3. 

 Austin, Oliver Luther, Jr. 



1932. The birds of Newfoundland Labrador. Mem. Nuttall Orn. Club, No 7 

 Bagg, Aaron Clark. 



1932. Ruby-crowned kinglet feeding young in Massachusetts. Auk, vol. 

 49, p. 486. 

 Bagg, A. C, and Eliot, Samuel Atkins, Jr. 



1937. Birds of the Connecticut Valley in Massachusetts. 

 Bailey, Alfred Marshall. 



1926. A report on the birds of northwestern Alaska and regions adjacent 



to Bering Strait, pt. 10. Condor, vol. 28, pp. 165-170. 



1927. Notes on the birds of southeastern Alaska. Auk, vol. 44, pp. 351-367. 

 Bailey, A. M., and Niedrach, Robert James. 



1936. Community nesting of western robins and house finches. Condor, 

 vol. 38, p. 214. 

 Bailey, Florence Merriam. 



1902. Handbook of birds of the western United States. 



1928. Birds of New Mexico. 

 Baird, Spencer Fullerton. 



1864. Review of American birds, in the museum of the Smithsonian Insti- 

 tution, pt. 1: North and Middle America. Smithsonian Misc. 

 Coll., No. 181, vol. 12. 

 Baird, S. F.; Brewer, Thomas Mayo; and Ridgway, Robert. 



1874. A history of North American birds: Land birds, vol. 1. 

 Bancroft, Griffing. 



1930. The breeding birds of central Lower California. Condor, vol. 32, 



pp. 20-49. 

 Bangs, Outram. 



1898. Some new races of birds from eastern North America. Auk, vol. 15, 

 pp. 173-183. 

 Bangs, Outram, and Penard, Thomas Gilbert. 



1921. The name of the eastern hermit thrush. Auk, vol. 38, pp. 432-434. 

 Batchelder, Charles Foster. 



1900. An undescribed robin. Proc. New England Zool. Club, vol. 1, pp. 

 103-106. 

 Baxter, Evelyn Vida, and Rintoul, Leonora Jeffrey. 



1914. Birds singing while on migration. Scottish Nat., 1914, pp. 188-189. 

 Beal, Foster Ellenborough Lascelles. 



1907. Birds of California in relation to the fruit industry, pt. 1. Biol. 



Surv. Bull. 30. 

 1915a. Food of the robins and bluebirds of the United States. U. S. Dept. 



Agr. Dept. Bull. 171. 

 1915b. Food habits of the thrushes of the United States. U. S. Dept. Agr. 

 Dept. Bull. 280. 



