ORGANIZATION OF THE UNITED STATES DEPARTMENT OF AGRICULTURE 

 WHEN THIS PUBLICATION WAS LAST PRINTED 



Secretary of Agriculture Henry A. Waixace. 



Under Secretary Rexford G. Tugwell. 



Assistant Secretary M. L. Wilson. 



Director of Extension WorJc C. W. Warbtjeton. 



Director of Personnel W. W. Stookberger. 



Director of Information M. S. Eisbnhoweei. 



Director of Finance W. A. Jump. 



Solicitor Masiin G. White. 



Agricultural Adjustment Administration Chester C. Davis, Administrator. 



Bureau of Agricultural Economics A. G. Black, Chief. 



Bureau of Ayrioultural Engineering S. H. MoCeory, Chief. 



Bureau of Animal Industry John R. Mohler, Chief. 



Bureau of Biological Surrey Iea N. Gabejeilson, Chief. 



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



Bureau of Dairy Industry 0. E. Reed, Chief. 



Bureau of Entomology and Plant Quarantine. Lbjb A. Strong, Chief. 



Office of E-i-periment Stations - James T. Jardinb, Chief. 



Food and Drug Administration Walter G. Campbell, Chief. 



Forest Service Ferdinand A. Silcox, Chief. 



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



Bureau of Home Economics Louise Stanley, Chief. 



Library Claribbl R. Barnett, Librarian. 



Bureau of Plant Industry Frbdemck D. Richby, Chief. 



Bureau of PuMic Roads Thomas H. MaoDonald, Chief. 



Soil Conservation Service H. H. Bennett, Chief. 



Weather Bureau Willis R. Gregg, Chief. 



This circular is a contribution from 



Bureau of Entomology and Plant Quarantine... Lee A. Strong, Chief. 



Division, of Bee Culture Jas. I. Hamblbton, Principal Api- 



cuUurist, in Chai-ge. 

 14 



U. S. GOVERNMENT PRINTING OFFICE: 1936 



For sale by the Superintendent of Documents, Washington, D. C. - - - Price 5 cents 



