TRAVELS AND TRADITIONS OF WATERFOWL 



Slepian, Joseph 



1948. Physical basis of bird navigation. J. Applied Physics 19:306. 

 Smith, Allen G. 



1951. Waterfowl breeding ground survey in Alberta, 1951. U.S. Fish and Wildlife 

 Seivice, Special Scientific Report: Wildlife No. 13, pp. 28-34. 

 Smith, J. Donald 



1946. The Canvasback in Minnesota. Auk 63(1) :73-81. 

 Smith, J. Maynard 



1953. Birds as aeroplanes. New Biology No. 14, pp. 64-81. London: Penguin Books. 

 Smith, Robert H., and Robert P. Allen 



1948. An aerial waterfowl reconnaissance in the Far North. U.S. Fish and Wildlife 

 Service, Special Scientific Report No. 60 pp. 5-12. 

 Smith, Robert H., and Everett L. Sutton 



1953. Waterfowl breeding ground survey in northern Alberta, the Northwest Terri- 

 tories, and the Yukon. U.S. Fish and Wildlife Service, Special Scientific Report: 

 Wildlife No,25, pp. 7-15. 

 Smith, Stuart 



1945. How to study birds. London : Collins. 

 Snow, D. W. 



1953. Visible migration in the British Isles: A review. Ibis 95 (2):242-270. 

 Snyder, L. L. 



1941. On the Hudson Bay eider. Occasional papers of the Royal Ontario Museum of 

 Zoology No. 6, pp. 1-7. 



1948. Tradition in bird life. Canadian Field-Naturalist 62 (2) :75-77. 

 Soper, J. Dewey 



1930. The Blue Goose (Chen caerulescens [Linnaeus]) . Dept. Interior, Ottawa. 



1942. Life history of the Blue Goose (Chen caerulescens [Linnaeus]). Proc. Boston 

 Soc. of Natural History 42 (2) : 121-222. 



1948. Canada looks at waterfowl. Trans. 13th North Amer. Wildlife Conference, 

 pp. 52-56. 



Sowls, Lyle K. 



1946. The 1946 fall waterfowl flight at Delta, Manitoba. Unpublished manuscript, 

 Delta Waterfowl Research Station. 



1947a. 1947 fall waterfowl flight and shooting season at Delta, Manitoba. Unpublished 

 manuscript, Delta Waterfowl Research Station. 



1947b. New techniques for breeding ground surveys. Trans. 12th North Amer. Wild- 

 life Conference, pp. 448-452. 



1949. A preliminary report on renesting in waterfowl. Trans. 14th North Amer. Wild- 

 life Conference, pp. 260-275. 



1950. Techniques for waterfowl-nesting studies. Trans. 15th North Amer. Wildlife 

 Conference, pp. 478-489. 



1951. A study of the ecology and behavior of some surface-feeding ducks. Unpub- 

 lished thesis, Univ. of Wisconsin. 



1955. Prairie Ducks, a study of their behavior, ecology and management. Harrisburg: 

 Stackpole and Heck. 

 Springer, Paul F., and Robert E. Stewart 



1950. Gadwall nesting in Maryland. Auk 67 (2):234-235. 

 Stearns, Harold T. 



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