State of Illinois 



DEPARTMENT OF REGISTRATION AND EDUCATION 



Francis "W. Shepardson, Director 



Division of the 

 Natural History Survey 



^ft 



THE FISHES OF ILLINOIS 



BY 



STEPHEN ALFRED FORBES, Ph.D., LL.D. 



AND 



ROBERT EARL RICHARDSON, A.M. 



SECOND EDITION, 1920 



PUBLISHED BY 

 AUTHORITY OF THE STATE OF ILLINOIS 



