ORGANIZATION OF THE 

 UNITED STATES DEPARTMENT OF AGRICULTURE. 



August 21, 1924. 



Secretary of Agriculture Henky C. Wallace. 



Assistant Secretary L Howard M. Gore. 



Director of Scientific Work E. D. Ball. 



Director of Regulatory Work Walter G. Campbell. 



Director of Extension Work C. W. Warburton. 



Solicitor R. W. Williams. 



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 . d 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. 



Bureau of Dairying C. W. Larson, Chief. 



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



Publications L. J. Haynes, Director. 



Library Claribel R. 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 the 



Grain Futures Administration f Secretary. 



This bulletin is a contribution from 



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



Division of Biological Investigations E. A. Goldman, In Charge. 



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