LITERATURE CITED 449 



Knappen, Phoebe. 



1933. Birds eating sawfly larvae. Auk, vol. 50, pp. 451-452. 

 Knight, Oka Wiixis. 



1908. The birds of Maine. 

 Knowlton, Geoege Feanklin, and Habmston, F. C. 



1943, Grasshoppers and crickets eaten by Utah birds. Auk, vol. 60, pp. 

 589-591. 

 Kopman, Heney Hazlitt. 



1915. List of the birds of Louisiana, pt. 7. Auk, vol. 32, pp. 183-194. 

 Lacey, Howakd [George]. 



1911. The birds of Kerrville, Texas, and vicinity. Auk, vol. 28, pp. 200-219. 

 Langelle, JameS Hibbert. 



1884. Our birds in their haunts. 

 La Rivers, Ira. 



1941. The Mormon cricket as food for birds. Condor, vol. 43, pp. 65-69. 

 Laskey, Ameua RtTDOLPH (Mrs. F. C. Laskey). 



1936. Fall and winter behavior of mockingbirds. Wilson Bull., vol. 48, pp. 

 241-255. 

 Law, John Eugene. 



1928. Toxostoma curvirostris: 1. Description of a new subspecies from the 



lower Rio Grande. Condor, vol. 30, pp. 151-152. 



1929. Down-tree progress of Sitta piigmaea. Condor, vol. 31, pp. 45-51, figs. 



13-21. 

 Lewis, Harbison Flint. 



1927. Destruction of birds by lighthouses in the provinces of Ontario and 



Quebec. Can. Field-Nat., vol. 41, pp. 75-77. 

 Lincoln, Frederick Charles. 



1920. A peculiarly marked example of Dumetella caroUnensis. Auk, vol. 37, 



p. 593. 



1939. Migration of American birds. 

 LiNSDALE, Jean Myron. 



1938. Environmental responses of vertebrates in the Great Basin. Amer. 

 Midi. Nat., vol. 19, pp. 1-206. 

 Lloyd, J. William. 



1914. The whisper song of the catbird. Bird-Lore, vol. 16, pp. 446-447. 

 Lofberg, Lila McKinley. 



1931. "Office aids" in nest building. Condor, vol. 33, pp. 245-246. 

 LowERY, George Hines, Jr. 



1940. Geographical variation in the Carolina wren. Auk, vol. 57, pp. 95-104. 

 Macoubeie, Jennie K. 



1932. A useful bird. Bird-Lore, vol. 34, p. 390. 

 Macoun, John, and Macoun, James M. 



1900. Catalogue of Canadian birds. 

 Mailliard, Joseph. 



1902. Wren-tit building in a tree. Condor, vol. 4, p. 95, 

 Marshall, Joe T., Jr. 



1942. Food and habitat of the spotted owl. Condor, vol. 44, pp. 66-67. 

 Marx, Edward J. F. 



1916. A bold winter wren. Bird-Lore, vol. 18, p. 109. 

 Mason, Edwin A. 



1936. Parasitism of birds' nests by Protocalliphora at Groton, Massachusetts. 

 Bird-Banding, vol. 7, pp. 112-121. 

 Mathews, Ferdinand Schuyler. 



1921. Field book of wild birds and their music. Rev. ed. 



