1957 



Humphrey, P. S. 1957. Observations on the diving of the Surf Scoter ( Melanitta 

 perspicillata ). Auk 74: 392-394. 



1950 

 Pearse, T. 1950. Parasitic birds. Murrelet 31: 14. 



1949 

 Johnston, D. W. 1949. Surf Scoter records from Georgia. Auk 66: 81. 



1945 

 Zapf, T. 1945. Surf Scoters at Greensboro. Chat 9: 46. 



1943 



Trautman, M. B. and M. A. Trautman. 1943. An Ohio record of the Surf Scoter. 

 Wilson Bull. 55: 54. 



1926 



Miller, W. DeW. 1926. Structural variations in the scoters. Am. Mus . Novit . 

 243: 1-5. 



1922 



Widraann, 0. 1922. Surf Scoters ( Oidema perspicillata ) near St. Louis. Auk 

 39: 250. 



1920 



Alford, C. E. 1920. Some notes on diving ducks. Brit. Birds 14: 106-110. 



1914 



Dwight , J. 1914. The moults and plumages of the scoters - genus Oidemia . 

 Auk 31: 293-308. 



1891 



Mackay, G. H. 1891. The scoters ( Oidemia americana , 0_. deglandi , and 0. per- 

 spicillata ) in New England. Auk 8: 279-2 90. 



376 



