Bulletin 



OF THE 



Illinois State Laboratory 



OF 



Natural History 



Urbana, Illinois, U. S. A. 



VOLUME VII. 

 1904-1909 



Contributions to the Natural History Survey of Illinois 



made under the direction of 



Stephen A . Forbes 



SASY 

 NEW YO^X 

 tfOTAN 



1910 



Illinois Printing Company 



Danville, Illinois 



