ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE. 
October 24, 1923. 
meer etarg oF Agriciiture:- >. = = ss eo oe HENRY C. WALLACE. 
Assistant. Secrevary No Sa. Se Howarp M. Gore, 
TPC CLOT-OF SCICTLANG WOnl 222 Wee BD. Bar, 
Director of Regulatory Work _~__- 2 -~ W ALTER G. CAMPBELL. 
Director of Hzxtension Work______- Ps Pe SO C. W. WARBURTON. 
pre CET 00 = one ap Os 2 ie a ee R. W. WILLIAMS. 
NEDTA CLAS EXD 211 |) Se a ep APM ee EE CHARLES F. MArvIN, Chief. 
Bureau of Agricultural Heonomics___________- HENRY C. TAYtor, Chief. 
Bureau of Animal Industry___ 2s JOHN R. MouHTLER, Chief. 
iGareawo; Plant nausi yg ee ae eee WILLIAM A. TAYLOR, Chief. 
PIGMENT ES EIUICE.. 2-3 a5: + an Cee e 18 7 EE ee ee! W. B. GREELEY, Chief. 
Bareau of Chemistry 2 ae ree ee te C. A. BRowNng, Chief. 
WSUTEDUAO/. SOUS Soe Se ont AWS Sal er MILTON WHITNEY, Chief. 
Perea Of Entomol gus2 = a se es L. O. Howarp, Chief. 
Bureau of Biological Survey____. 2 EK. W. NELSON, Chief. 
BUTetu OF PUbUG ROGdS. =k. 2 3.) a ee = THOMAS H. MACDONALD, Chief. 
Bureau of Home Hconomics.__-—___-—_-__-____- LOUISE STANLEY, Chief. 
Office of Experiment Stations_________ ______ EK. W. ALLEN, Chief. 
Fixed Nitrogen Research Laboratory________ F. G. CoTTretyt, Director. 
CATT CHIROILS © =< om eee tS 78 Sg ee oe L. J. HAYNES, in Charge. 
JOLT, x | ea NE ee ee, eee eA CLARIBEL R. BARNETT, Librarian. 
Meceral Horlicitihirel Board _. ao C. L. MARLATT, Chairman. 
Insecticide and Fungicide Board_____________ J. K. HAYwoop, Chairman. 
Packers and Stockyards Administration______. CHESTER MorrRIL, Assistant to the 
Grain Futures Administration________-____. Secretary. 
This bulletin is a contribution from 
Bureaworpatomowgy. > ee L. O. Howarp, Chief. 
Forest Insect Investigations________.____. F. C. CRAIGHEAD, Entomologist in 
Charge. 
20 
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