1956 



Goodwin, C. E. 1956. Black Duck and Mallard populations in the Toronto area. 

 Ont. Field Biol. 10: 7-18. 



McCormick, J. M. 1956. Black Ducks eat stunned fish. Wilson Bull. 68: 320. 



1955 



Coulter, M. W. 1955. Spring food habits of surface- feeding ducks in Maine. 

 J. Wildl. Manage. 19: 263-267. 



Kennedy, P. G. 1955. Black Duck in Co. Kilkenny: a bird new to Ireland and 

 Britain. Brit. Birds 48: 341. 



Miskiraan, M. 1955. Meteorological and social factors in autumnal migration 

 of ducks. Condor 57: 179-184. 



Scott, P. 1955. Notes on the Black Duck. Brit. Birds 48: 342. 



Stotts, V. D. 1955. Black Duck breeding study ends in the Kent Island area. 

 Md. Tidewater News 12: 1-4. 



1954 



Lee, J. A. 1954. Recent studies on the fall migration of Black Ducks in New 

 Hampshire. New Hampshire Fish Game Dept . 6 pp. 



Wright, B. S. 1954. High tide and an east wind. The story of the Black Duck. 

 Stackpole & Wildl. Manage. Instit. xiii and 162 pp. 



1953 



Addy, C. E. 1953. Fall migration of the Black Duck. U.S. Fish & Wildl. Serv., 

 Spec. Sci. Rept. Wildl. No. 19. 63 pp. 



1950 



Bellrose, F. C. and E. B. Chase. 1950. Population losses in the Mallard, Black 

 Duck, and Blue-winged Teal. 111. Nat. Hist. Surv . Biol. Notes No. 22: 1- 

 27. 



Hammond, M. C. and E. J. Smith, Jr. 1950. The Black Duck, Anas rubripes , in 

 North Dakota. Auk 67: 510-512. 



1949 



Mendall, H. L. 1949. Food habits in relation to Black Duck management in 

 Maine. J. Wildl. Manage. 13: 64-101. 



225 



