HOST RELATIONS OF PARASITIC COWBIRDS 227 



BuRTCH, Verdi 



1910. Nesting of the hermit thrush. Oologist, vol. 27, p. 139. 

 Buss, Irven O., and Mattison, Helmer M. 



1955. A half century of change in bird populations of the lower Chippewa 

 River, Wisconsin. Milwaukee Public Mus. Publ. Ornith., no. 1. 

 Pp. 319. 

 Butler, A. G. 



1908. The black cassique. Avicult. Mag., new ser., vol. 6, pp. 182-183. 

 Byers, George W. 



1950. Black and white warbler's nest with eight cowbird eggs. Wilson 

 Bull., vol. 62, pp. 136-138. 

 Cahn, Alvin R. 



1918. Notes on the vertebrate fauna of Houghton and Iron Counties, 



Michigan. Trans. Wisconsin Acad. Sci., vol 19, pp. 483-510. 

 1920. Bird notes from Itasca County, Minnesota. Wilson Bull., vol. 32, 

 pp. 103-122. 

 Cameron, E. S. 



1907-08. Birds of Custer and Dawson Counties, Montana. Auk, vol. 24, 

 pp. 389-406; vol. 25, pp. 39-56. 

 Carter, John D. 



1906. A June trip to Pocono Lake, Monroe County, Pennsylvania. Cas- 

 sinia, vol. 10, pp. 30-34. 

 Chamberl.\in, B. R. 



1958. Southern Atlantic Coast region. Audubon Field Notes, vol. 12, 



p. 405. 



1959. Southern Atlantic Coast region. Audubon Field Notes, vol. 13, 



pp. 424-426. 

 Chamberlain, B. R., and Denton, J. Fred 



1949. Southern Atlantic Coast region. Audubon Field Notes, vol. 3, pp. 

 232-233. 

 Chambers, A. 



1947. Minnesota nesting records. Fhcker, vol. 19, pp. 90-95. 

 Chapman, Frank Michler 



1928. The nesting habits of Wagler's oropendola {Zarhynchus wagleri) 

 on Barro Colorado Island. Bull. Amer. Mus. Nat. Hist., vol. 58, 

 pp. 123-166. 

 Cherrie, George Kruck 



1891. A prehminary hst of the birds of San Jose, Costa Rica. Auk, vol. 8, 



pp. 271-279. 



1892. A prehminary list of the birds of San Jose, Costa Rica (cont.). Auk, 



vol. 9, pp. 21-27. 

 Childs, John Lewis 



1908. A trip to the Dismal River, Nebraska. Warbler, vol. 4, pp. 9-13. 

 Clayton, W. J. 



1914. Nesting of the yellow palm warbler. Oologist, vol. 31, pp. 143-144. 

 Cohen, Robert R. 



1959 Red-eyed vireo and least flycatcher observed in joint family relation- 

 ship. Flicker, vol. 31, p. 134. 

 Cook, A. G. 



1893. Birds of Michigan. Michigan Agric. Exp. State Bull. 94, pp. 168. 



