vol. 8 JANUARY, 1910 No.i 



BULLETIN 



OF THE 



Wisconsin Natural History Society 



'£/ aa4 \t*. 



^ Y^ GEOLOGIA \7 



PUBLISHED WITH THE 

 COOPERATION OF THE 



Public Museum of the City of 

 Milwaukee 



EDITOR: RICHARD A. MUTTKOWSKI. 



A-ociate Editors: DR. P. H. DERNEHL. I. N. MITCHELL, HOWLAND RUSSEL, 



EDGAR E. TELLER. 



MILWAUKEE, WISCONSIN. 



THE EDW. KEOOH PRESS. 



Entered si second-cUse mutter, Oct. 24, 1906, At the post-office, Milwaakee, Wis., under Act of Congress 



of July 16, 1891. (Issued quarterly.) 



