BULLETIN 



OF THE 



Wisconsin Natural History 



Society 



VOLUME IX 



(NEW SERIES) 



=«S«500* 



^ 



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 



WAVERLY PRESS 

 BALTIMORE, MD. 



