-. 
Division of Birds 
South Dakota 
Geological and Natural History Survey 
Freeman Ward, State Geologist 
Bulletin 9 
BIRDS 
OF 
SOUTH DAKOTA 
SUUTASONIAN INST ITUTION 
ASHINGTON 23, D.C. 
By 
William H. Over and 
Craig S. Thoms 
Series X XI March 1921 No. 9 
Bulletin 
University of South Dakota 
Entered as second-class matter, May 3, 1902, at the Post Office at 
Vermilion, South Dakota, under Act of July 16, 1894. 
