ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE 
April 13, 1925 
Secretary of Agriculture W. M. Jaedine. 
Assistant Secretary Renick W. Dtjxlap. 
Director of Scientific Work E. D. Ball. 
Director of Regulatory Work Walter G. Campbell. 
Director of Extension Work C. W. Waeburtox. 
Solicitor R. W. Williams. 
Weather Bureau Charles F. Marvix, Chief. 
Bureau of Agricultural Economics Henry C. Taylor, Chief. 
Bureau of Animal Industry John R. Mohler, Chief. 
Bureau of Plant Industry 1 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 PuNic Roads . Thomas H. MacDonald, Chief. 
Bureau of Home Economics Louise Stanley, Chief. 
Bureau of Dairying C. W. Larson, Chief. 
Fixed Nitrogen Research Laboratory -:t F. G. Cottrell, Director. 
Office of Experiment Stations E. W. Allen, Chief. 
Office of Cooperative Extension Work . C. B. Smith, Chief. 
Office of 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 G. X. Daggar, Acting in Charge. 
Grain Futures Administration J. W. T. Ditv'el, Acting in Charge. 
This bulletin is a coiitribution from 
Bureau of Entomology L. O. Howard, Chief. 
38 
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-V 
