STATE OF ILLINOIS 



DEPARTMENT OF REGISTRATION AND EDUCATION 



A. M. Shetlton, Director 



BOARD OF 

 NATURAL RESOURCES AND CONSERVATION 

 A. M. Shexton, Chairman 



Wu-LiAM Treijiase, Biology 

 Henby C. Cowtes Forestry 

 Edson S. Bastin, Geology 

 WiixiAM A. Notes, Chemistry 



John W. Alvord, Engineering 

 Kendeic C. Babcock, Representing the 

 President of the University of Illi- 

 nois 



THE NATURAL HISTORY SURVEY DIVISION 

 Stephen A. Fobbes, Chief 



ScHNEpp & Barnes, Printers 



Sprinopield, Iu. 



1926 



50652—600 



