STATE OF ILLINOIS 

 Henry Horner, Governor 

 DEPARTMENT OF REGISTRATION AND EDUCATION 

 John- J. Hallihax, Director 



BOARD OF NATURAL RESOURCES AND CONSERVATION 



John J. Hallihan, Chairman 

 William Trelease, D.Sc, LL.D., William A. Noyes, Ph.D., LL.D.. Chem. D.. 

 Biology D.Sc, Chemistry 



Henry C Co%vles. Ph.D.. D.Sc. ^^^^^ g. Bastin. Ph.D.. Geology 

 forestry 



L. R. HowsoN, B.S.C.E.. C.E.. En- Arthur Cutts Willard. D.Eng.. LL.D., 

 gineering President of the University of Illinois 



NATURAL HISTORY SURVEY DIVISION 

 Urbana, Illinois 



SCIENTIFIC AND TECHNICAL STAFF 



Theodore H. Frison, Ph.D., Chief 



SECTION OF ECONOMIC ENTO- 

 MOLOGY 



W. P. Flint, B.S., Chief Entomologist 



C. C. CoMPTON. M.S.. Associate Ento- 

 mologist 



M. D. Farrar, Ph.D., Research Ento- 

 mologist 



J. H. Bigger, B.S.. Associate Ento- 

 mologist 



S. C. Chandler. B.S.. Southern Field 

 Entomologist 



L. H. Shropshire. M.S.. Northern 

 Field Entomologist 



W. E. McCauley, M.S.. Assistant 

 Entomologist 



C. J. Weinman, M.A.. Assistant En- 

 tomologist 



C. W. Kearns. Ph.D.. Research 

 Fellow in Entomology 



Arthur E. Ritcher, B.A., Research 

 Fellow in Entomology 



R. C. Rendtorff. M.S., Research 

 Fellow ifi Entomology 



K. L. Knight, M.S.. Research Fellow 

 in Entomology 



SECTION OF INSECT SURVEY 



H. H. Ross, Ph.D., Systematic En- 

 tomologist 



C.\RL O. MoHR, Ph.D., Associate En- 

 tomologist, Artist 



B. D. Burks, Ph.D., Assistant En- 

 tomologist 



G. T. RiEGEL. B.S.. Assistant Ento- 

 mologist 



SECTION OF FORESTRY 



James E. Davis, M.F., Extension For- 

 ester 

 Lee E. Yeager. Ph.D.. Forester 



SECTION OF AQUATIC BIOLOGY 



D.wiD H. Thompson. Ph.D.. Zoolo- 

 gist 

 George W^. Bennett, Ph.D., Limnol- 



ogist 

 Donald F. Hansen, Ph.D.. Assistant 



Zoologist 

 C. L. Schloemer, Ph.D.. Assistant 

 Aquatic Biologist 

 SECTION OF GAME RESEARCH 

 AND MANAGEMENT 

 Ralph E. Yeatter, Ph.D., Game 



Specialist 

 C. S. Spooner. Jr.. M.S.. Junior Bi- 

 ologist 

 SECTION OF WILDLIFE 

 EXPERIMENTAL AREAS 

 Arthur S. Hawkins. M.S.. Game 

 Technician 



F. C. Bellrose, Jr., B.S., Assistant 

 Game Technician 



COOPERATIVE WILDLIFE RES- 

 TORATION PROGRAM 

 {State Department of Conservation and 



U. S. Biological Survey) 

 H. G. Anderson, M.S., Junior Bi- 

 ologist 

 Louis G. Brown, B.S.. Junior Biol- 

 ogist 

 R. E. Hesselschwerdt. B.A. Junior 

 Biologist 

 SECTION OF APPLIED BOTANY 

 AND PLANT PATHOLOGY 

 L. R. Tehon, Ph.D.. Botanist 

 J. C. Carter. Ph.D., Assistant Bota- 

 nist 



G. H. Boewe. M.S.. Field Botanist 



SECTION OF PUBLICATIONS 



James S. Avars, B.S.. Editor 



(70738— 2M— 1-39) 

 >2 



