ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE 
July 24, 1926 
CCECLONY Of AQTICUUUTe 2 22 ee W. M. JARDINE. 
PAISST SCONE SECT CLON Ya Se Le R. W. DuN.uap. 
Dinectom op oczentipic: Works 2 2 2 eee —_—_—. 
Director of Regulatory Work__.------------ WALTER G. CAMPBELL. 
Marector oj Haltension W ork] 220. = 22s C. W. WARBURTON. 
WRURCELO LR Of LI OTN OO N= sa eee os Ln ae NELSON ANTRIM CRAWFORD. 
Director of Personnel and Business Adminis- 
PMOL VO Wie teat pee Peer see tein PUL ee oe ea W. W. STOCKBERGER. 
ROLLE UL OI eae et emia ek oe Te Pea Fe NS R. W. WILLIAMs. 
WCU ei URCOW soar = Bec Se eee CHarLes F. Marvin, Chief. 
Bureau of Agricultural Economics____------ THomas P. Coopsmr, Chief. 
Bune of Animal Industry => 2222 ee JoHn R. Moutsr, Chief. 
TSUGCOM O) LONE UNGUSiniae = See ee Se Wiuuiam A. Taytor, Chiet. 
WOLES iS ChUUCE ae see rr kU eee ses W. B. GREELEY, Chief. 
SIUC CAO CHEINUSUTAaet me ie De C. A. Browne, Chief. 
UNCTULOlRS OULS ee eek Se RE mS eS SL Mitton Wuitney, Chief. 
Buneny 0} PMtomology so 2-22 28s es L. O. Howarp, Chief. 
bureau, of Biological Surveys 2 se | E. W. Neuson, Chief. 
BeRCOUeay He ALDILCO OG Sty oe eos THomas H. MacDona.p, Chief. 
Bureau of Home Economics_______----_--_- LouvtsE STANLEY, Chief. 
NS URCOMSO) OO) OUT YONG Aas cece Bee oe C. W. Larson, Chief. 
Fixed Nitrogen Research Laboratory-__----- F. G. Corrretu, Director. 
Ofice of Ha pervmentastations 22 E. W. AuuEen, Chie. 
Office of Cooperative Extension Work_____-_- C. B. Smita, Chief. 
MADD OUR Sp cee Ee eae ee og ae ae CLARIBEL R. Barnett, Librarian. 
Peder al TOriCilhurGl BOONE 2.9 a oe C. L. Maruatt, Chairman. 
Insecticide and Fungicide Board______~_-__- J. K. Haywoop, Chairman. 
Packers and Stockyards Administration ____- JoHN T. Caine, in Charge. 
Grain Futures Administration_________-_-- J. W. T. Duvezt, in Charge. 
This bulletin is a contribution from 
ICA Of ant INOUsiry. = oe ee WiuuiaAM A. Taytor, Chief. 
OPice Oj me Onage-C TOPs =~ S= R. A. Oakey, Senior Agronomist in 
Charge. 
Office of Western Irrigation Agriculture... C.S. Scorin.p, Senior Agriculturist 
in Charge. 
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