LITERATURE QTED 467 



Erich SEN, Walter Jefterson. 



1919. Some summer birds of Liberty County, Georgia. 

 Erickson, Mary Mariixa. 



1937. A jay shoot in California. Condor, vol. 39, pp. Ill-US. 

 Errington, Paul Lester. 



193S. Food habits of mid-west foxes. Joura Mamm., vol. 16, pp. 192-200 

 Evermann, Barton Warren. 



1881. Least titmouse. Ornithologist and Oologist, vol. 6, p. 19. 

 Fargo, William Gilbert. 



1927. Feeding station habit of fish crow. Auk, vol. 44, pp. 566-567. 

 Farley, Frank LeGrange. 



1925. Changes in the status of certain animals and birds during the past 

 fifty years in central Alberta. Can. Field Nat., vol. 20, pp. 200-202. 



1932. Birds of the Battle River region. 

 Ferry, John Far well. 



1910. Birds observed in Saskatchewan during the summer of 1909. Auk, 

 vol. V, pp. 185-204. 

 Finley, William Lovell. 



1907. Two studies in blue. Condor, vol. 9, pp. 121-127. 

 Fisher, Walter Ken rick. 



1902. A trip to Mono Lake, ornithological and otherwise. Condor, vol. 4, 

 pp. 1-11. 

 Fleming, James Henry, and Lloyd, Hoyes. 



1920. Ontario bird notes. Auk, vol. 37, pp. 429-439. 

 FoRBusH, Edward Howe, 



1907. Useful birds and their protection. 



1912. The chickadee. Bird-Lore, vol. 14, pp. 372-375. 



1927. Birds of Massachusetts and other New England States, voL 2. 

 Fox, Herbert. 



1923. Disease in captive wild mammals and birds, 

 Frazar, Marston Abbott. 



1887. An ornithologist's summer in Labrador. Ornithologist and Oologist, 

 vol. 12, pp. 33-35. 

 Friedmann, Herbert. 



1925. Notes on the birds observed in the lower Rio Grande Valley of Texas 



during May, 1924. Auk, vol. 42, pp. 537-554. 



1929. The cowbirds: A study in the biology of social parasitism, 



1938. Additional hosts of the parasitic cowbirds. Auk, vol. 55, pp. 41-50. 

 Gardner, Leon Lloyd. 



1926. Experiments in the economic control of the western crow (Corvus 



brachyrhynchos hesperis). Auk, vol, 43, pp, 447-461. 

 Geist, Otto William, 



1936. Notes on a fight between Alaska jays and a weasel. Condor, vol. 38, 

 pp. 174-175. 

 Gibson, Langdon. 



1922. Bird notes from north Greenland. Auk, vol. 39, pp. 350-363. 

 Gill, Geoffrey. 



1920. Blue jay vs. mouse. Bird-Lore, vol. 22, p. 161. 

 Gillespie, Mabel. 



1930. Behavior and local distribution of tufted titmice in winter and spring. 



Bird- Banding, vol. 1, pp. 113-1^. 



