U. S. DEPARTMENT OF AGRICULTURE 
BIOLOGICAL SURVEY BULLETIN No. 26 
c ii \i; i mi;i;i:i \M Chty 
DISTRIBUTION AM) MIGRATION OF N0RT1 
AMERICAN DUCKS, GEESE, 
AND SWANS 
BY 
WELLS W. COOKE 
Assistant, Biological Survey 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1906 
