LITERATURE CITED 705 



Obekholser, Hakby Chtjkch. 



1899. Description of a new Geothlypis. Auk, vol. 16, pp. 2.56-258. 

 1905. Tlie forms of Vcrmivora cclata (Say). Auk, vol. 22, pp. 242-247. 

 1917. A new subspecies of Geothlypis heldingi. Condor, vol. 19, pp. 182-184. 

 1938. The bird life of Louisiana. Louisiana Dept. Conserv., Bull. 28. 



Odum, Eugene Pleasants. 



1931. Notes on the nesting habits of the hooded warbler. Wilson Bull., 

 vol. 43, pp. 316-317. 

 Osgood, Wilfred Hudson. 



1896. Nest and eggs of the Calaveras warbler. Nidologist, vol. 3, pp. 140- 

 141. 

 OvERiNG, Robert. 



1938. High mortality at the Washington monument. Auk, vol. 55, p. 679. 

 Palmer, William. 



1894. Plumages of the young hooded warbler. Auk, vol. 11, pp. 282-291. 



1900. Ecology of the Maryland yellow-throat and its relatives. Auk, vol. 17, 



pp. 216-242. 

 Pabkes, Kenneth Carroll. 



1951. The genetics of the golden-winged X blue-winged warbler complex, 

 Wilson Bull., vol. 63, pp. 5-15. 

 Pearson, Thomas Gilbert; Brimley, Clement Samuel; and Buimlet, Herbert 

 HxrrcHiNsoN. 



1919. Birds of North Carolina. 

 1942. Birds of North Carolina. Revised edition. 

 Pebby, Troup D. 



1887. Some additional notes on Swainson's warbler. Ornithologist and 

 Oologist, vol. 12, pp. 141-142. 

 Peters, Harold SE;YM0TrR. 



1936. A list of external parasites from birds of the eastern part of the 

 United States. Bird-Banding, vol. 7, pp. 9-27. 

 Peterson, Roger Toby. 



1939. A field guide to the birds. 

 Petrides, George Athan. 



1938. A life history of the yellow-breasted chat. Wilson Bull., vol. 50, pp. 



184^189. 

 1943a. Berberis teali as a spring food of songbirds. Auk, vol. 60, pp. 99-100. 

 1943b. Notes on a captive redstart. Wilson Bull., vol. 55, pp. 193-194. 

 Philipp, Philip Bi:KNARD. 



1925. Notes on the summer birds of the Magdalen Islands. Can. Field-Nat., 

 vol. 39, pp. 75-78. 

 Philipp, Philip Bernard, and Bowdish, Beecher Scoville. 



1917. Some summer birds of northern New Brunswick. Auk, vol. 34, pp. 



265-275. 

 1919. Further notes on New Brunswick birds. Auk, vol. 36, pp. 36^5. 

 Phillips, Allan Robert. 



1947. The races of Macgillivray's warbler. Auk, vol. 64, pp. 296-300. 

 PiTELKA, Frank Alois. 



1939. Flight song of the blue-winged warbler. Auk, vol. 56, pp. 340-341. 

 1940a. Nashville warbler breeding in northeastern Illinois. Auk, vol. 57, 



pp. 115-116. 

 1940b. Breeding behavior of the black-throated green warbler. Wilson Bull., 

 vol. 52, pp. 3-18. 



