STATE OF ILLINOIS 



DEPARTMENT OF 

 REGISTRATION AND EDUCATION 

 Ronald E. Stackler, Director 

 Springfield 



"EH™ ILLINOIS NATURAL HISTORY SURVEY 



GEOLOGY L. L. Sloss 



chemistry .... Herberts, gutowskv Natural Resources Building Telephone: 333-6880 



ENGINEERING ... Robert H. Anderson 



biology Thomas park Urbana, Illinois 61801 Area Code 217 



FORESTRY Stanley K. Shapiro 



UNIVERSITY OF ILLINOIS 



Dean William L. Everitt 

 SOUTHERN ILLINOIS UNIVERSITY 



Dean John C. Guyon GEORGE SpRUGEL, Jr., Chief 



io 



