STATE OP ILLINOIS 



DEPARTMENT OF REGISTRATION AND EDUCATION 



A. M. Shexton. Director 



BOARD OP 

 NATURAL RESOURCES AND CONSERVATION 



A. M. Sheltox,- Chairman 



Wlliam Trexease, Biology 

 John M. Coulter, Forestry 

 Edson S. Bastin, Geology 

 William A. Notes, Chemistry 



John W. Alvord. Engineering 

 Kendric C. Babcock. Hepresenliriy ihe 

 President of the Vniversity of Illi- 

 nois 



THE NATURAL HISTORY SURVEY DIVISION 

 Stephen A. Fordes, Chief 



ScHNEPP, & Earnes, Printers 

 ""Springfield, III. 

 1925 

 36131— IM 



