1918 



Mendall, H. L. 1938. Ring-necked Duck, breeding in eastern North America. Auk 

 55: 401-404. 



1936 



Todd, W. E. C. 1936. The Redhead and Ring-necked Duck breeding at Pyraatuning 

 Lake, Pennsylvania. Auk 53: 440. 



1926 



Sprunt, A., Jr. 1926. Status of the Ring-necked Duck in South Carolina. Auk 

 43: 364-366. 



1924 



Griscom, L. and J. M. Johnson. 1924. Ring-necked Duck in northern New Jersey. 

 Auk 41: 339. 



289 



