ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE. 
October 23, 1924 
Secretary of Agriculture Henry C. Wallace. 
Assistant Secretary Howard M. Gore. 
Director of Scientific Work E. D. Ball. 
Director of Regulatory Work Walter"^. Campbell. 
Director of Extension Woi'k C. W. Warburton. 
Solicitor R. W. Williams. 
Weather Bureau Charles F. Martin, 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. 
Bureau of Dairying C. W. Larson, Chief. 
Office of Cooperative Extension Work C. B. Smith, Chief. 
Fixed Xitrogen Research Laboratory F. G. Cottrell, Director. 
Office of Experiment Stations E. W. Allen. 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— J\ Chester Morrill, Assistayit to the 
Grain Futures Administration [ Secretary. 
This bulletin is a contribution from 
Bureau of Plajit Industry William A. Taylor. Chief. 
Office of Horticultural Investigations— L. C Corbett, Senior Horticultur- 
ist in Charge. 
48 
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