1968 



Barry, T. W. 1968. Observations on natural mortality and native use of Eider 

 Ducks along the Beaufort Sea coast. Can. Field-Nat. 82: 140-144. 



Clark, S. H. 1968. The breeding biology and experimental management of the 

 American Eider in Penobscot Bay, Maine. M.S. thesis, Univ. Maine/Orono, 

 ME. 169 pp. 



Guignion, D. L. 1968. Clutch size and incubation period of the American Eider 

 ( Somateria mollissima dresseri ) on Brandypot Island. Nat. Can. 95: 1145- 

 1152. 



Kumari, E. 1968. [The Common Eider ( Somateria mollissima L.) in the U.S.S.R., 

 Proc. Conf. Estonia, May 1966.] Tallinn: Valgus, and Inst. Zool. & Bot . , 

 Acad. Sci. Estonian S.S.R. 131 pp. [In Russian with English summary.] 



Mendall, H. L. 1968. An inventory of Maine's breeding Eider Ducks. Trans. 

 Sect. Wildl. Soc, Fish & Wildl. Conf. 25: 95-104. 



Milne, H. 1968. The Eider — mussel food link in the community of the Ythan 

 Estuary. Rept . Challenger Soc. 3: 31. 



Pethon, P. 1968. Food and feeding habits of the Common Eider ( Somateria mol - 

 lissima ). Nytt Mag. Zool. 15: 97-111. 



Swennen, C. 1968. Nest protection of Eiderducks and Shovelers by means of 

 faeces. Ardea 56: 248-258. 



1967 



Choate, J. S. 1967. Factors influencing nesting success of Eiders in Penob- 

 scot Bay, Maine. J. Wildl. Manage. 31: 769-777. 



Guignion, D. L. 1967. A nesting study of the Common Eider ( Somateria mollis - 

 sima dresseri ) in the St. Lawrence Estuary. M.S. thesis, Laval Univ. /Que- 

 bec , PQ. 131 pp. 



McGilvrey, F. B. 1967. Food habits of sea ducks from the northeastern United 

 States. Wildfowl Trust Annu. Rept. 18: 142-145. 



McLaughlin, F. L. 1967 ms. Behavior study of the interrelationships of gulls 

 and Eiders in mixed breeding colonies of Penobscot Bay, Maine. Unpubl. 

 File Rept., Maine Coop. Wildl. Res. Unit, Orono , ME. 41 pp. 



1966 



Choate, J. S. 1966. Breeding biology of the American Eider in Penobscot Bay, 

 Maine. M.S. thesis, Univ. Maine/Orono, ME. 



Marriot, R. W. 1966. The food and feeding of the Eider population of the Ythan 

 Estuary, Aberdeenshire, in autumn and winter. Ph.D. thesis, Univ. Aber- 

 deen/Aberdeen, Scotland. 



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