STATE OF ILLINOIS 

 DEPARTMENT OF REGISTRATION AND EDUCATION 



DIVISION OF THE 

 NATURAL HISTORY SURVEY 



STEPHEN A. FORBES. Chef 



Vol. XV. 



BULLETIN 



Article VL 



Illinois River Bottom Fauna in 1925 



BY 



ROBERT E. RICHARDSON 



PRINTED BY AUTHORITY OF THE STATE OF ILLINOIS 



URBANA. ILLINOIS 

 October. 1925 



