ORGANIZATION OF THE UNITED STATES DEPARTMENT OF AGRI- 
CULTURE WHEN THIS PUBLICATION WAS LAST PRINTED 
SECKELATY_Of AQT CULL tITe eee een rs a Henry A. WALLACE. 
Under Secretaria Se ee ee r ees SMe oes OWitsone 
SASsistant iS cr eLanyae 2 oss eee eee jee Harry L. Brown. 
Director of Extension Work... = 22=_.-_= ©: W. WaRBURTON. 
Director ojo ina nees am = No Sei Spee erat pee ae W. A. Jump. 
Directorsor Jajormaiton 22% Sse hens M. 8S. EISENHOWER. 
Dene Ctor ofc CnSONME | Sees a ey Gk ares eee OP W. W. StTocKBERGER. 
Darectowofeli esearch == epee ee! See JAMES T. JARDINE. 
WOUCHONE. Ske. aan, pee eet eer ee Pe Mastin G. WHITE. 
Agricultural Adjustment Administration ____- H. R. Tourer, Administrator. 
Bureau of Agricultural Economics____-_-_-- £ A. Gz Buack, Chief. 
Bureau of Agricultural Engineering________- S. H. McCrory, Chief. 
Bureau-of Animal Industry ss se JoHun R. Moutuer, Chief. 
Bureau of Biological Survey. ___._____-__-- Ira N. Gaprrevson, Chief. 
Bureau of Chemisiry and Soils-_=-_-=-2---- Henry G. Kniaut, Chief. 
Commodity Exchange Administration___-_- ~~~ J. We dt Duyn; Cheer 
Bureauw-o- Dairy Indusizy=__ = > ae O. E. Reep, Chief. 
Bureau of Entomology and Plant Quarantine. Lez A. Strona, Chief. 
Office of Experiment Stations__-__________-- JAMES T. JARDINE, Chief. 
Food and Drug Administration_______----~- WALTER G. CAMPBELL, Chief. 
Forest Seroiees sa oi Deen ae ee ee FERDINAND A. Siucox, Chief. 
Bureau of-HomesHconomics. =. = eee Lovu1sE STANLEY, Chief. 
EAD EOS Sea ee ee ee Oe LE eee ae CLARIBEL R. Barnett, Librarian. 
Bureau of Plant nausiry 22. | 3 E. C. AUCHTER, Chief. 
Buréeauroj Publis oadss = S25 fa eee THomas H. MacDona.tp, Chief. 
Farm Security Administration__ 22-22 222 W. W. ALEXANDER, Adminisirator. 
Sotl Conservation, Service... = _ - -82 22-2 H. H. Bennett, Chief. 
W CQther 21S Ur. 60.1 es ne ce yes I Se Wiis R. Greac, Chief. 
This publication is a contribution from 
Bureau of Entomology and Plant Quarantine. Lez A. Strrone, Chief. 
Division of Forest Insect Investigations-. F. C. CraiGHEab, Principal 
Entomologist, in Charge. 
210 
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