ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE 
August 9.1926 
Secretary of Agriculture. _____ 
Assistant Secretary... .. 
Director of Scientific Work _-_ 
Director of Regulatory Work 
Director of Extension Work 
Director of Information _._ mmm 
Director of Personnel and Business Ad- 
manistration _ __. .e—. W. W, STOCKBERGER. 
Solicitor eo _. —--. R. W. WiLL1iAMS. 
Weather Bureau... _. oeee--. CuArLes F. MARVIN, Chief. 
Bureau of Agricultural Economics ...__..._. Lvroyp S. TENNY, acting Chief 
Bureau of Animal Industry.__. —e—ac—-. Joan R. MosLER, Chief. 
Bureau of Plant Industru ---. WiLLiam A. TAYLOR, Chief. 
Forest Service... ______ W. B. GREELEY, Chief. 
Bureau of Chemistry... C. A. Browng, Chief. 
Bureaw of Soils _—___._.__ --. MiuroNn WHITNEY, Chief. 
Bureau of Entomology. - -.- .—. L. O. Howarp, Chief. 
Bureau of Biological Survey ___.___________. BE. W. NeLson, Chief. 
Bureau of Public Roads _ - _. TI'momas H. MacDonALD, Chief. 
Bureau of Home Economics__. eee--. Louise STANLEY, Chief. 
Bureau of Dairying ___. —_. C. W. Larson, Chief. 
Fixed Nitrogen Research Laboratory ..__.__.. F. G. CorTRELL, Director. 
Office of Experiment Stations ____. c---- E. W. ALLEN, Chief. 
Office of Cooperative Extension Work_.__...__. C. B. Smita, Chief. 
Library «cee -. CrariBeL R. BARNETT, Librarian 
Federal Horticultural Board --__. —e—_- C. L. MarvATT, Chairman. 
Insecticide and Fungicide Board __. .-- J. K. Havywoob, Chatrman. 
Packers and Stockyards Administration ______ JouN T. CAINE, in Charge. 
rain Futures Administration _ J. W. T. DuveL, tn Charge. 
This bulletin is a contribution from 
Bureau of Plant Industry_._....—-_--_._.__ WiLLiam A. TavLOR, Chief. 
Nfiice of Soil-Bacteriology.- -. . K. F. KeLLErRMAN, Associate 
Chief, in Charge. 
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