ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE 
..-.. November 29, 1924 
Secretary of Agriculture—-- Howard M. Gore. 
Assistant Secretary __■_- 
Director of Scientific Work E. D. Ball. 
Director of Regulator}/ Work Waltee G. Campbell. 
Director of Extension Work C. W. Wabbubton. 
Solicitor R. W. Williams. 
Weather Bureau Chaeles F. Marvin, Chief. 
Bureau of Agricultural Economics Heney C. Tayloe, Chief. 
Bureau of Animal Industry John R. Mohleb, Chief. 
Bureau of Plant Industry William A. Tayloe, Chief. 
Forest Service W. B. Geeeley, Chief. 
Bureau of Chemistry C. A. Browne, Chief. 
Bureau of Soils . Milton Whitney, Chief. 
Bureau of Entomology L. O. Howaed, 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. Laeson, Chief. 
Office of Experiment Stations E. W. Allen, Chief. 
Office of Cooperative Extension Work C. B. Smith, Chief. 
Fixed Nitrogen Research Laboratory F. G. Cottbell, Director. 
Office of Publications L. J. Haynes, Director. 
Library Claeibel R. Baenett. Librarian. 
Federal Horticultural Board C. L. Maelatt, Chairman. 
Insecticide and Fungicide Board J. K. Haywood, Chairman. 
Packers and Stockyards Administration 1 Chestee Morrill, Assistant to the 
Grain Futures Administration | Secretary. 
This bulletin is a contribution from 
Bureau of Plant Industry William A. Taylor. Chief. 
Office of Horticultural Investigations— L. C. Corbett, In Charge. 
20 
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