228 U.S. NATIONAL MUSEUM BULLETIN 233 



CoTJES, Elliott 



1874. Birds of the northwest: A handbook of the ornithology of the region 

 drained by the Missouri River and its tributaries. U.S. GeoL 

 Surv. Terr. Misc. Publ., no. 3, pp. 791. 

 1878. Field notes on birds observed in Dakota and Montana along the forty- 

 ninth parallel during the seasons of 1873 and 1874. Bull. U.S. 

 Geol. and Geogr. Surv. Terr., vol. 4, pp. 545-661. 

 1884. Egg of the cowbird in nest of the Carolina dove. Auk, vol. 1, p. 293. 

 Cowan, Ian McTaggert 



1939. The vertebrate fauna of the Peace River District of British Columbia. 

 Occas. Papers British Columbia Prov. Mus., no. 1, pp. 102. 

 Cox, George W. 



1958. Unusual nest and nesting behavior of a mourning warbler. Auk, 



vol. 75, p. 473. 



1960. A life history of the mourning warbler. Wilson Bull., vol. 72, 

 pp. 5-28. 

 Ceandall, Lee Saunders 



1914. Notes on Costa Rican birds. Zoologica, vol. 1, pp. 325-343. 

 Crook, Compton 



1934. Cowbird notes from Tennessee. Auk, vol. 51, pp. 384-385. 

 Cross, Frank C. 



1950. Virginia warbler parasitized by cowbird. Condor, vol. 52, p. 138. 

 Currier, E. S. 



1904. Summer birds of Leech Lake, Minnesota. Auk, vol. 21, pp. 29-44. 

 Dales, Marie, and Bennet, Walter W. 



1929. Nesting of the pine siskin in Iowa with remarks on regurgitative 

 feeding. Wilson Bull., vol. 41, pp. 74-77. 

 Darling, F. Eraser 



1959. The significance of predator-prey relationships in the regulation of 



animal population. In Proc. XVth Internat. Congr. Zool., 1958, 

 pp. 62-63. 

 Davie, Oliver 



1889. Nests and eggs of North American birds. Pp. 455. 

 Davis, David E. 



1942. The number of eggs laid by cowbirds. Condor, vol. 44, pp. 10-12. 

 1955. Breeding biology of birds. In Recent advances in avian biology, 

 pp. 264-308. 

 Davis, John 



1953. Birds of the Tzitzio region, Michoacan, Mexico. Condor, vol. 55, 

 pp. 90-98. 



1960. Nesting behavior of the rufous-sided towhee in coastal California. 



Condor, vol. 62, pp. 434-456. 

 Dawson, William Leon 



1903. The birds of Ohio. Pp. 671. 



1921. The season of 1917. Journ. Mus. Comp. Ool., Santa Barbara, 



Calif., vol. 2, pp. 27-36. 

 1923. The birds of California. Student's ed., vol. 1, pp. 696. 

 Denton, J. Fred 



1958. A further note on the breeding of the cowbird in Richmond County 

 (Georgia). Oriole, vol. 23, pp. 37-38. 



