STATE OF ILLINOIS 
Henry Horner, Governor 
DEPARTMENT OF REGISTRATION AND EDUCATION 
Joun J. Hainan, Director 
BOARD OF NATURAL RESOURCES AND CONSERVATION 
Joun J. Hainan, Chairman 
Wittram Trecease, D.Sc., LL.D., 
Biology 
Wituram A. Noyes, Ph.D., LL.D., 
Chem.D., D.Sc., Chemistry 
Joun W. Avorn, C.E., Engineering 
Henry C. Cowes, Ph.D., D-Sc., 
Forestry 
Epson C. Bastin, Ph.D., Geology 
ArtHur Cutts Witvtarp, D.Eng., LL.D., 
President of the University of Illinots 
NATURAL HISTORY SURVEY DIVISION 
URBANA, ILLINOIS 
Scientific and Technical Staff 
THeEoporeE H. Frison, Ph.D., Chief 
SECTION OF ECONOMIC 
ENTOMOLOGY 
W. P. Fuint, B.S., Chief Entomolo- 
gist 
C. C. Compton, M.S., Associate En- 
tomologist 
M. D. Farrar, Ph. D., Research En- 
tomologist 
S. C. CuHanocer, B.S., Southern 
Field Entomologist 
J. H. Biccer, B.S., Central Field 
Entomologist 
L. H. SHropsuire, M.S., Northern 
Field Entomologist 
W. E. McCautey, B.S., Assistant 
Entomologist 
C. W. Kearns, M.S., Research Fel- 
low in Entomology 
J. F. Atstertunp, M.S., Research 
Fellow in Entomology 
Dwicut Powe t, A.B., Research 
Fellow in Entomology 
SECTION OF APPLIED BOTANY AND 
PLANT PATHOLOGY 
L. R. Tenon, Ph.D., Botanist™ 
J. C. Carrer, Ph.D., Assistant 
Botanist 
G. H. Boewe, M.S., Field Botanist 
SECTION OF FORESTRY 
James E. Davis, M.F., Extension 
Forester 
SECTION OF AQUATIC BIOLOGY 
Davip H. Tuompson, Ph.D., Zoolo- 
gist 
F. D. Hunt, Field Naturalist 
D. F. Hansen, A.M., Assistant Zo- 
ologist 
D. J. O'Donnett, M.S., Assistant 
Zoologist 
SECTION OF INSECT SURVEY 
H. H. Ross, Ph.D., Systematic En- 
tomologist 
Cart O. Monr, Ph.D., Associate 
Entomologist, Artist 
L. H. Townsenp, Ph.D., Assistant 
Entomologist 
B. D. Burke, M.A., Assistant En- 
tomologist 
SECTION OF GAME RESEARCH AND 
MANAGEMENT 
R. E. Yeatrer, Ph.D., Game Spe- 
cialist . 
W. H. Leicu, M.A., Assistant Zo- 
ologist 
SECTION OF PUBLICATIONS 
Carro._it Cuournarp, M.A., Editor 
