ORGANIZATION OF THE 

 UNITED STATES DEPARTMENT OF AGRICULTURE. 



November 1, 1923. 



Secretary of Agriculture Heney C. Wallace. 



Assistant Secretary , Howard M. Gore. 



Director of Scientific Work E. D. Ball. 



Director of Regulatory Work Walter G. Campbell. 



Director of Extension Work C. W. Warburton. 



Weather Bureau Charles F. Marvin, Chief. 



Bureau of Agricultural Economics Henry C. Taylor, Chief. 



Bureau of Animal Industry John R. Mohler, Chief. 



Bureau of Plant Industry William A. Taylor, Chief. 



Forest Service W. B. Greeley, Chief. 



Bureau of Chemistry C. A. Browne, Chief. 



Bureau of Soils Milton Whitney, Chief. 



Bureau of Entomology L. O. Howard, Chief. 



Bureau of Biological Survey , E. W. Nelson, Chief. 



Bureau of Public Roads Thomas H. MacDonald, Chief. 



Bureau of Home Economics Louise Stanley, Chief. 



Fixed Nitrogen Research Laboratory F. G. Cottrell, Director. 



Division of Accounts and Disbursements A. Zappone, Chief. 



Library Claribel It. Barnett, Librarian. 



Federal Horticultural Board C. L. Marlatt, Chairman. 



Insecticide and Fungicide Board J. K. Haywood, Chairman. 



Packers and Stockyards Administration 1 Chester Morrill, Assistant to 



Grain Future Trading Act Administration J the Secretary. 



Office of the Solicitor It. W. Williams, Solicitor. 



This bulletin is a contribution from — 



Bureau of Plant Industry William A. Taylor, Chief. 



Cotton, Truck, and Forage Crop Disease W. A. Orton, Pathologist in 

 Investigations. Charge. 



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