STATE OF ILLINOIS 



Hexrv Hurner, Governor 



DFPARTMFXT OF REGISTRATION AND EDUCATION 



John J. Hallihan, Director 



BOARD OF NATURAL RESOURCES AND CONSERVATION 



John J. Hallihan, Chairynan 



William Trelease, D.Sc, LL.D., John \V. Alvord, C.E., Engineering 



Biology Henry C. Cowles, Ph.D., D.Sc, 



William A. Noves, Ph.D., LL.D., Forestry 



Chem.D., D.Sc, Chemistry Edson C. Bastix, Ph.D., Geology 



.Arthur Cutts Willard, D.Eng., LL.D., 

 President of the University oj Illinois 



NATURAL HISTORY SURVEY DIMSION 



LRRANA, ILLINOIS 



Scientific and Technical Staff 

 Theodore H. Prison, Ph.D., Chief 



SECTION OF ECONOMIC 

 ENTOMOLOGY 



W. p. Flint, B.S., Chief Entomolo- 

 gist 



C. C. CoMPTON, M.S., .-Issoiiate En- 

 tomologist 



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

 tomologist 



S. C. Chandler, B.S., Southern 

 Field E}itomolo%ist 



J. H. Bk.cer, B.S., Central Field 

 Entomologist 



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

 Field Entomologist 



W. E. McCaulev, B.S., .-Assistant 

 Entomologist 



C. W. Kearns, M.S., Research Fel- 

 low in F^nlomology 



J. F. Alsterlund, M.S., Research 

 Fellow in Entomology 



DwiGHT Powell, .A.B., Research 

 Fellow in Entomology 



SECTION OF APPIJEI> BOTANY AM) 

 PLANT PATH0L0(;Y 



I„ R. Tehon, Ph.D., Botanist' 



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



Botanist 

 G. H. BoEWE, M.S., Field Botanist 



SECTION OF FORESTRY 



James E. Davis, M.F., Extension 

 Forester 



SECTION OF AQU.\TIC BIOLOGY 



David H. Thompson, Ph.D., Zoolo- 

 gist 



F. D. Hlnt, Field Naturalist 



D. F. Hansen, .A.M., Assistant Zo- 

 ologist 



D. j" O'DoNNELL, M.S., Jssistant 

 Zoologist 



SECTION OF IN -SECT SURVEY 



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

 tomologist 



Carl O. Mohr, Ph.D., Associate 

 Entomologist, Jrtist 



L. H. TowNSEND, Ph.D., Jssistant 

 Entomologist 



B. D. Blr'ke, M.A., Jssistant En- 

 tomologist 



SECTION OF GAME RESEARCH .\ND 

 MANAGE.MENT 



R. E. Yeatter, Ph.D., Game Spe- 

 cialist 



\V. H. Lek^h, M.A., Jssistant Zo- 

 ologist 



SECTION OF PUBLICATIONS 



Carroll Chohnard, M..A., Editor 



