BA 
U15 
\ 
VOLUME XIII (New Series) 
MARCH, 1915 
NUMBER 1 
BULLETIN 
OF THE 
Wisconsin Natural History 
Society 
PUBLISHED WITH THE COOPERATION 
OF THE 
Public Museum of the City of Milwaukee 
EDITOR: 
RICHARD A. MUTTKOWSKI 
P. H. DERNEHL 
ASSOCIATE EDITORS: 
HOWLAND RUSSEL 
EDGAR E. TELLER 
