Vol. 9 OCTOBER, 1911 No. 4 



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: DR. P. H. DERNEHL, I. N. MITCHELL, HOWLAND RUSSEL 



EDGAR E. TELLER. 



MILWAUKEE, WISCONSIN. 



THE EDW. KEOGH PRESS. 



