ORGANIZATION OF THE 

 UNITED STATES DEPARTMENT OF AGRICULTURE 



December 16, 1929 



Secretary of Agriculture Abthub M. Htdb. 



Assistant Secretary R. W. Dunlap. 



Director of Scientifio Work A. F. Woods. 



Director of Regulatory Worlc . Walter G. Campbell. 



Director of Extension C. W. Waeburton. 



Director of Personnel and Business Adminis- W. W. Stockbebger. 

 tration. 



Director of Information M. S. Eisenhoweb. 



Weather Bureau Chaeles F. Marvin, Chief. 



Bureau of Animal Industry John R. Mohlee, Chief. 



Bureau of Dairy Industry O. E. Reed, Chief. 



Bureau of Plant Industry William A. Taylor, Chief. 



Forest Service R. Y. Stuabt, Chief. 



Bureau of Chemistry and Soils H. G. Knight, Chief. 



Bureau of Entomology C. L. Mablatt, Chief. 



Bureau of Biological Survey Paul G. Redington, Chief. 



Bureau of PuMic Roads Thomas H. MacDonald, Chief. 



Bureau of Agricultural Economics Nils A. Olsen, Chief. 



Bureau of Home Economics Louise Stanley, Chief. 



Plant Quarantine and Control Administration- Leb A. Strong, Chief. 



Grain Futures Administration .J. W. T. Duvel, Chief. 



Food, Drug, and Insecticide Administration.. Walter G. Campbell, Director of 



Regulatory Work, in Charge. 



Office of Experiment Stations , Chief. 



Office of Cooperative Extension Work C. B. Smith, Chief. 



lAbrary Clabjbel R. Babnett, Librarian. 



This bulletin is a contribution from 



Bureau of Entomology 0. L. Mablatt, Chief. 



Division of Bee Culture J. I. Hambleton, Senior Api&ul- 



turist, in Charge. 



43 



U. S, GOVERNMENT PRINTING OFFICE: 1930 



