1959 



Weller, M. W. 1959. Parasitic egg laying in the Redhead ( Aythya americana ) and 

 other North American Anatidae . Ecol . Monogr. 29: 333-365. 



Weller, M. W. and P. Ward. 1959. Migration and mortality of hand-reared Red- 

 heads ( Aythya americana ). J. Wildl. Manage. 23: 427-433. 



1957 



Rate, H. 1957. Redheads killed by a downdraft. Auk 74: 391. 



Weller, M. W. 1957. Growth, weights, and plumages of the Redhead, Aythya amer - 

 icana . Wilson Bull. 69: 5-38. 



1956 



Weller, M. W. 1956. Parasitic egg laying in the Redhead ( Aythya americana ) and 

 other North American Anatidae. Ph.D. thesis, Univ. Missouri/Columbia, MO. 

 160 pp. 



1955 



Ferrell, H. W. 1955. Redheads of the Laguna Madre. Texas Game Fish 14: 7, 

 31. 



1954 



Kenaga, E. E. 1954. Summer records of Redheads in a Michigan inland marsh. 

 Wilson Bull. 66: 151. 



McKinney, D. F. 1954. An observation of Redhead parasitism. Wilson Bull. 66: 

 146-148. 



Weller, M. W. 1954. Growth rate and plumage development of the Redhead Duck, 

 Aythya americana . M.A. thesis, Univ. Missouri/ Columbia, MO. 



1953 



Jennings, W. S. and J. R. Singleton. 1953. Redheads ... .acres of 'em. Texas 

 Game Fish 11: 10-11, 27. 



1949 



Robbins, C. S. 1949. Migration of the Redhead i_n Migration of some North Am- 

 erican waterfowl. U.S. Fish & Wildl. Serv. Spec. Sci. Rept . Wildl. No. 



1. 48 pp. 



1946 



Baillie, J. L. , Jr. 1946. The Redhead as a breeding bird of Michigan and 

 Ontario. Wilson Bull. 58: 111-112. 



281 



