1921 



Dixon, J. 1921. The Bufflehead breeding in California. Condor 23: 165. 



Ray, M. S. 1921. On the occurrence of the Bufflehead at Eagle Lake. Condor 

 23: 192-193. 



1918 



Monro, J. A. 1918. The Buffle Head in the Okanagan Valley, British Columbia. 

 Oologist 35: 12-13. 



1911 



Simpson, R. B. 1911. A flight of Buffleheads. Oologist 28: 44, 



417 



