LITERATURE CITED 463 



Soper, Joseph Dewey. 



1918. Flight of horned owls in Canada. Auk, vol. 35, pp. 478-479. 

 Sprunt, Alexander, Jr. 



1932. The barn owl (Aluco alba pratincola) at sea. Auk, vol. 49, p. 86. 

 Stearns, Y/infrid Alden. 



1883. New England bird life. (Edited by Elliott Coues.) 

 Steidl, John. 



1928. Sparrow hawk killing young chickens. Auk, vol. 45, p. 503. 

 Stejneger, Leonhard. 



1885. Results of ornithological explorations in the Commander Islands and in 

 Kamtschatka. U. S. Nat. Mus. Bull. 29. 

 Stephens, Frank. 



1892. Notes on Syrnium occidentals Auk, vol. 9, pp. 392-393. 

 Stockard, Charles Rupert. 



1905. Nesting habits of birds in Mississippi. Auk, vol. 22, pp. 146-158. 

 Stoner, Emerson Austin. 



1934. A parasitic fly on horned owls. Oologist, vol. 51, pp. 4-5. 

 Strecker, John Kern, Jr. 



1894. The breeding habits of Audubon's caracara. Nidiologist, vol. 2, p. 6. 

 Sugden, John William. 



1928. A nest site of the western horned owl in Utah. Condor, vol. 30, 

 pp. 324-325. 

 Sumner, Eustace Lowell, Jr. 



1928. Notes on the development of young screech owls. Condor, vol. 30, 



pp. 333-338. 



1929. Comparative studies in the growth of young Raptores. Condor, vol. 



31, pp. 85-111. 



1933. The growth of some young raptorial birds. Univ. California Publ. 



Zool., vol. 40, pp. 277-307. 



1934. The behavior of some young raptorial birds. Univ. California Publ. 



Zool., vol. 40, pp. 331-362. 

 Sumner, Florence Anne. 



1933. Young sparrow hawks and a screech owl in the same nest. Condor, 

 vol. 35, pp. 231-232. 

 Surface, Harvey Adam. 



1904. The economic value of our native birds. Zool. Quart. Bull. Penn- 

 sylvania Dept. Agr., vol. 1, no. 4. 

 Sutton, George Miksch. 



1926. Long-eared owl capturing ruffed grouse. Auk, vol. 43, pp. 236-237. 



1927. Ruffed grouse captured by a screech owl. Wilson Bull., vol. 39, p. 171. 



1928. The birds of Pymatuning Swamp and Conneaut Lake, Crawford 



County, Pennsylvania. Ann. Carnegie Mus., vol. 18, pp. 19-239. 

 1929a. Does the great horned owl have a poor memory? Wilson Bull., 



vol. 41, pp. 247-248. 

 1929b. Insect-catching tactics of the screech owl (Otus asio). Auk, vol. 46, 



pp. 545-546. 

 1932. The birds of Southampton Island. Mem. Carnegie Mus., vol. 12, 

 pt. 2, sect, 2. 

 Swainson, William, and Richardson, John. 



1831. Fauna Boreali-Americana. Vol. 2: Birds. 

 Swann, Harry Kirke. 



1925-1936. A monograph of the birds of prey. 



