1704 U.S. NATIONAL MUSEUM BULLETIN 23 7 part 3 



Cameron, Ewen Somerled — Continued 



1913. Notes on Swainson's hawk (Buteo swainsoni) in Montana. Auk, vol. 

 30, pp. 381-394. 

 Campbell, Louis Walter 



1937. Shufeldt's junco near Toledo, Ohio. Auk, vol. 54, p. 399. 



1939. Nelson's sparrow in Monroe County, Michigan. Wilson Bull., vol. 



51, p. 186. 



1940. Birds of Lucas County (Ohio). Bull. Toledo Zool. Soc, vol. 1, 



No. 1. 

 Camras, Sidney 



1940. A new Savannah sparrow from Mexico. Field Mus. Nat. Hist. Zool. 

 Surv., vol. 24, No. 15, p. 159. 

 Cardiff, Eugene A. 



1956. Additional records for the Imperial Valley and Salton Sea area of 

 California. Condor, vol. 58, pp. 447-448. 

 Cardiff, Eugene E., and Cardiff, Bruce E. 



1950. Late nesting record for the Abert towhee. Condor, vol. 52, p. 135. 

 Carpenter, Charles C. 



1951. Young goldfinches eaten by garter snake. Wilson Bull., vol. 63, 



pp. 117-118. 

 Carpenter. Nelson K. 



1907a. Concerning a few abnormally marked eggs. Condor, vol. 9, pp. 198- 



199. 

 1907b. The rufous-crowned sparrow in San Diego County, California. 



Condor, vol. 9, pp. 158- 159. 

 1918. An odd nest of the song sparrow of Los Coronados Islands. Condor, 

 vol. 20, p. 124. 

 Carriger, Henry Ward, and Pemberton, John Roy 



1907. Nesting of the pine siskin in California. Condor, vol. 9, pp. 18- 19. 

 Carriker, Melbourne Armstrong, Jr. 



1902. Notes on the nesting of some Sioux County birds. Proc. Nebraska 

 Ornith. Union, vol. 3, pp. 75-89. 



1910. An annotated list of the birds of Costa Rica, including Cocos Island. 



Ann. Carnegie Mus., vol. 6, pp. 314-915. 

 Carter, Frances 



1937. Bird life at Twentynine Palms. Condor, vol. 39, pp. 210-219. 

 Cartwright, Bertram William, Shortt, Terence Michael, and Harris, 

 Robert D. 



1937. Baird's sparrow. Trans. Roy. Canadian Inst., vol. 21, pp. 153-197. 

 Cary, Merritt 



1901. Birds of the Black Hills. Auk, vol. 18, pp. 231- 238. 



1902. Some general remarks upon the distribution of life in northwest 



Nebraska. Proc. Nebraska Ornith. Union, vol. 3, pp. 63-75. 



1911. A biological survey of Colorado. North American Fauna, No. 33. 

 1917. Life zone investigations in Wyoming. North American Fauna, No. 



42. 

 Cassel, Joseph Frank 



1952. Breeding bird populations at various altitudes in north central 



Colorado. Ph. D. thesis, Univ. Colorado, Boulder Colo. 

 Cassin, John 



1852. Descriptions of new species of birds, specimens of which are in the 

 collection of the Academy of Natural Sciences of Philadelphia. 

 Proc. Acad. Nat. Sci., Philadelphia, vol. 6, pp. 184-188. 



