ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE 
October 29, 1927 
Secretary of Agriculture W. M. Jardine. 
Assistant Secretary It. W. Dunlap. 
Director of Scientific Work A. F. Woods. 
Director of Regulatory Work Walter G. Campbell. 
Director of Extension : C. W. Waebubton. 
Director of Personnel and Business Adminis- 
tration W. W. Stockbekgee. 
Director of Information Nelson Antrim Crawford. 
Solicitor R. W. Williams. 
Weather Bureau Charles F. Marvin, Chief. 
Bureau of Animal Industry John R. Mohler, Chief. 
Bureau of Dairy Industry C. W. Larson, Chief. 
Bureau of Plant Industry William A. Taylor, Chief. 
Forest Service W. B. Greeley, Chief. 
Bureau of Chemistry and Soils H. G. Knight, Chief. 
Bureau of Entomology C. L. Marlatt, Chief. 
Bureau of Biological Survey Paul G. Redington, Chief. 
Bureau of Public Roads Thomas H. MacDonald, Chief. 
Bureau of Agricultural Economics Lloyd S. Tenny, Chief. 
Bureau of Home Economics Louise Stanley, Chief. 
Federal Horticultural Board C. L. Marlatt, Chairman. 
Grain Futures Administration J. W. T. Duvel, Chief. 
Food, Drug, and Insecticide Administration- Walter G. Campbell, Director 
of Regulatory Work, in Charge. 
Office of Experiment Stations E. W. Allen, Chief. 
Office of Cooperative Extension Work C. B. Smith, Chief. 
Library Claribel R. Barnett, Librarian. 
This bulletin is a contribution from 
Bureau of Plant Industry William A. Taylor, Chief. 
Office of Cereal Crops and Diseases Carleton R. Ball, Senior Agron- 
omist, in Charge. 
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