322 BULLETIN 174, TJNITED STATES NATIONAL MUSEUM 



Weydemeyer, Winton. 



1926. Sapsuckers feeding sap to young. Auk, vol. 43, p. 236. 

 Weydemeyer, Winton, and Weydemeyer, Donald. 



1928. The woodpeckers of Lincoln County, Montana. Condor, vol. 30, pp. 

 339-346. 

 Weygandt, Cornelius. 



1912. The summer of fire and bird adaptation. Cassinia, no. 15, pp. 2&-34. 

 Wheelock, Irene Grosx-enor. 



1904. Birds of California. 



1905. Regurgitative feeding of nestlings. Auk, vol. 22, pp. 54-70. 

 Whittle, Charles Livy. 



1920. A (polony of throe toed woodpeckers. Bird-Lore, vol. 22, pp. 351-352. 

 Wiu-AKO, Fkancis Cottlj:. 



1912. A week afield in southern Arizona. Condor, vol. 14, pp. 53-63. 

 1918. Evidence that many birds remain mated for life. Condor, vol. 20, 



pp. 167-170. 

 Wilson, Alexander. 



1832. American ornithology, vol. 1. (1811 edition also cited.) 

 Wood, John Claire. 



1905. Some nesting sites of the hairy woodpecker {Dnjohates villosus). 

 Wilson Bull., vol. 17. p. 66. 

 Woods, Robert S. 



1932. Acquired food habits of some native birds. Condor, vol. 34, pp. 

 237-240. 

 Wright, Albert Hazen, and Harper, Francis. 



1913. A biological reconnaissance of Okefiuoke Swamp : The birds. Auk, 



vol. 30, pp. 477-505. 

 Wright, Horace Winslow. 



1911. The birds of the Jefferson region in the White Mountains, New 



Hampshire. Proc. Manchester Inst. Arts and Sci., vol. 5. pt. 1. 



1912. Morning awakening and even-song. Auk, vol. 29, pp. 307-327. 

 Wright, Howard W. 



1908. A death struggle. Condor, vol. 10, p. 93. 



