ORGANIZATION OF THE 

 UNITED STATES DEPARTMENT OF AGRICULTURE 



February 3, 1928 



Secretary of Agriculture W. M. Jardine. 



Assistant Secretary R. w. Dunlap. 



Director of Scientific Worlc A. F. Woods. 



Director of Regulatory Work Walter G. Campbell. 



Director of Extension C. W. Warbubton. 



Director of Personnel and Business Adminis- 

 tration W. W. Stockberger. 



Director of Information Nelson Antrim Cbawfoed. 



Solicitor R. W. Williams. 



Weather Bureau Charles F. Marvin, Chief. 



Bureau of Animal Industry John R. Mohler, Chief. 



Bureau of Dairy Industry L. A. Rogers, Acting 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 joint contribution from 



Bureau of Plant Industry William A. Taylor, Chief. 



Office of Mycology and Disease Survey— C L. Sheab, Senior Pathologist, 



in Charge. 



Bureau of Entomology C. L. Marlatt, Chief. 



Division of Truck Crop Insects J. E. Graf, Senior Entomologist, 



in Charge. 

 10 



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