NUMBER 2 
VOLUME XIII (New Series) 
JUNE, 1915 
BULLETIN 
OF THE 
Wisconsin Natural History 
Society 
PUBLISHED WITH THE COOPERATION 
OF THE 
Public Museum of the City of Milwaukee 
EDITOR: 
RICHARD A. MUTTKOWSKI 
ASSOCIATE EDITORS: 
P. H. DERNEHL HOWLAND RUSSEL EDGAR E. TELLER 
