LITERATURE CITED 451 



Drew, Frank Mayo. 



1885. On the vertical range of birds in Colorado. Auk, vol. 2, pp. 11-18. 

 DuBois, Alexander Dawes. 



1923. The short-eared owl as a foster-mother. Auk, vol. 40, pp. 383-393. 



1924. The nuptial song-flight of the short-eared owl. Auk, vol. 41, pp. 



260-263. 

 Dufresne, Frank. 



1922. The snowy owl — destroyer of game. Bull. Amer. Game Prot. Assoc, 

 vol. 11, no. 3, pp. 11-12. 

 Dunn, Harry H. 



1899. The Pacific horned owl. Oologist, vol. 16, pp. 116-118. 



1901. The spotted owl (Syrnium occidentale) . Oologist, vol. 18, pp. 165-167. 

 Earl, Thomas Mason. 



1934. Observations on owls in Ohio. Wilson Bull., vol. 46, pp. 137-142. 

 Eaton, Elon Howard. 



1910. Birds of New York. New York State Mus. Mem. 12, vol. 2. 

 Eaton, Warren Francis, and Curry, Haskell Brooks. 



1924. Richardson's owl in Vermont in summer. Auk, vol. 41, pp. 155-156. 

 Eckstorm, Fannie Hardy. 



1902. A description of the adult black merlin (Falco columbarius suckleyi). 



Auk, vol. 19, pp. 382-385. 

 Edwards, Helen McCurdy. 



1932. Behavior of a Florida screech owl. Bird-Lore, vol. 34, pp. 130-131. 

 Eifrig, Charles William Gustave. 



1906. The great gray owl. Ottawa Nat., vol. 20, pp. 79-81. 



1907. American goshawk (Accipiter atricapillus) versus man and barred 



owl. Auk, vol. 24, pp. 437-438. 

 1909. Winter birds of New Ontario, and other notes on northern birds. 

 Auk, vol. 26, pp. 55-59. 

 Ekblaw, Sidney Everetts. 



1919. Nesting of American long eared owl. Wilson Bull., vol. 31, pp. 99-100. 

 Emerson, William Otto. 



1885. California mottled owl. Ornithologist and Oologist, vol. 10, pp. 173- 

 174 

 Errington, Paul Lester. 



1930. The pellet analysis method of raptor food habits study. Condor, 



vol. 32, pp. 292-296. 



1931. Winter-killing of barn owls in Wisconsin. Wilson Bull., vol. 43, p. 60. 

 1932a. Studies on the behavior of the great horned owl. Wi'son Bull., vol. 



44, pp. 212-220. 

 1932b. Technique of raptor food habits study. Condor, vol. 34, pp. 75-86. 

 1932c. Food habits of southern Wisconsin raptors. Parti: Owls. Condor. 



vol. 34, pp. 176-186. 



1933. Food habits of southern Wisconsin raptors. Part 2: Hawks. Condor. 



vol. 35, pp. 19-29. 

 Errington, Paul Lester, and Bennett, Logan Johnson. 



1935. Food habits of burrowing owls in northwestern Iowa. Wilson Bull., 



vol. 47, pp. 125-128. 

 Evermann, Barton Warren. 



1882. American barn owl. Ornithologist and Oologist, vol. 7, pp. 97-98, 



109-110. 

 1913. Eighteen species of birds new to the Pribilof Islands, including four 



new to North America. Auk, vol. 30, pp. 15-18. 



