ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE 
Seeretary of Agriculture eee HENRY C. WALLACE. 
LESSUSTONT | SCChEL OLY =e a ee er eee — Howarp M. Gore. 
IMGEEtOT OF -SGLENtific’ WORK. eee) Ath. 
Director of Regulatory Work__ i= + WALTER G. CAMPBELL. 
Director of Hatension Work__------~—- 22416: W. WARBURTON: 
NS OUUCT FONE oe i Re Se R. W. WILLIAMS. 
Weather Bureduc 2 = eae eee CHARLES EF. MArvin, Chief. 
Bureau of Agricultural Economics______-~- Hrnry C. Taytor, Chief. 
Bureat.of Animal Industry = Ss JOHN R. MoHtrr, Chief. 
BULCOW Of Plant INdusinys =) = eee ee WiuiAM A. Taytor, Chief. 
BLOWIES Fo NOT UAC C= ee asia ate sa as eee W. B. GREELEY, Chief. 
Bureau. of Chemistry. = eee ey C. A. Browne, Chief. 
Bureau ofiSeils ban? exubioaiamnae te ee MILTON WHITNEY, Chief. 
Burnearof Eitenology eee ae ae L. O. Howarp, Chief. 
Bureaw of- Biological Survey. HK. W. NELSON, Chief. 
Bureau ofePubhe Roads]. 228 a ee THoMAS H. MAcDoNAtLp, Chief. 
Bureau of Home Econonic = Ss LOUISE STANLEY, Chief. 
Bureau of Dairying__--___------- REM ORO C. W. Larson, Chief. 
Office of Experiment Stations_____._______ HK. W. ALLEN, Chief. 
Fixed Nitrogen "Research Laborato. == KF. G. Corrretn, Director. 
PAL OUCH EONS £2 Ps ii a a eae eee ae L. J. HAYNEs, in Charge. 
TORO TY R=. LOLLY eed 5 DIY SRA. RET B CLARIBEL R. BARNETT, Librarian. 
Federal Horticultural, Board. Or, MARnArT Chairman: 
Insecticide and F'ungicide Board____- Pes 198k J. K. HAywoop, Chairman. 
Packers and Stockyards Administration...) CHESTER Morrit1, Assistant to the 
Grain Futures Administration Secretary. 
This bulletin is a contribution from 
Bureau of Prtomolegys 2 ee L. O. Howarp, Chief. 
Cereal and Forage Insect Investigations. G. A. DEAN, Entomologist in charge. 
34 
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