LITERATURE CITED 449 



Cahn, Alvin Robert, and Kemp, Jack Theodore. 



1930. On the food of certain owls in east-central Illinois. Auk, vol. 47, 

 pp. 323-328. 

 Calderwood, A., Jr. 



1889. Nesting of the pigmy owl. Oologist, vol. 6, pp. 110-111. 

 Cameron, Ewen Somerled. 



1907. The birds of Custer and Dawson Counties, Montana. Auk, vol. 24, 



pp. 241-270. 

 Campbell, Berry. 



1934. Bird notes from southern Arizona. Condor, vol. 36, pp. 201-203. 

 Carpenter, Frederic Howard. 



1883. Screech owls breeding in confinement. Ornithologist and Oologist, 

 vol. 8, pp. 93-94. 

 Carriger, Henry Ward. 



1895. The California pygmy owl. Nidiologist, vol. 2, pp. 172-173. 

 Carroll, James Judson. 



1900. Notes on the birds of Refugio County, Texas. Auk, vol. 17, pp. 

 337-348. 

 Carter, John Darlington. 



1925. Behavioi of the barred owl. Auk, vol. 42, pp. 443-444. 

 Cassells, Elsie. 



1922. White gyrfalcon in Alberta. Canadian Field-Nat., vol. 36, p. 58. 

 Chapman, Frank Michler. 



1894. On the birds of the island of Trinidad. Bull. Amer. Mus. Nat. Hist., 



vol. 6, pp. 1-86. 

 1899. Report on birds received through the Peary expeditions to Greenland. 



Bull. Amer. Mus. Nat. Hist., vol. 12, pp. 219-244. 



1908. Camps and cruises of an ornithologist. 

 Clabaugh, Ernest Dwight. 



1926. Notes on the food of the California screech owl. Condor, vol. 28, 



pp. 43-44. 

 1933. Food of the pigmy owl and goshawk. Condor, vol. 35, p. 80. 

 Clark, John Nathaniel. 



1887. A favorite nest. Ornithologist and Oologist, vol. 12, p. 135. 

 Clay, Charles Irvin. 



1911. The spotted owl in northern California. Condor, vol. 13, p. 75. 

 Cleaves, Howard Henderson. 



1910. Barn owls nesting in New York City. Bird-Lore, vol. 12, pp. 225-230. 

 Cohen, Donald Atherton. 



1903. Some observations on the nesting habits of the prairie falcon. Condor, 

 vol. 5, pp. 117-121. 

 Cook, George L. 



1926. Notes on the western horned owl. Oologist, vol. 43, p. 18. 

 Coolidge, Philip Tripp. 



1906. Notes on the screech owl. Auk, vol. 23, pp. 48-55. 

 Cooper, James Graham. 



1870. Geological survey of California. Land birds, vol. 1. 

 Cooper, William Alvord. 



1879. Notes on the breeding habits of the California pygmy owl (Glaucidium 

 californicum) with a description of its eggs. Bull. Nuttall Orn. Club, 

 vol. 4, pp. 86-87. 

 Cory, Charles Barney. 



1888. The European kestrel in Massachusetts. Auk, vol. 5, p. 110. 



