﻿ORGANIZATION OF THE UNITED STATES DEPARTMENT OF 



AGRICULTURE. 



V 



Secretary of Agriculture Henry C. Wallace. 



Assistant Secretary C. W. Pugsley. 



Director of Scientific Work E. D. Ball; 



Director of Regulatory Work 



Weather Bureau : Charles F. Marvin, 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 Walter G. Campbell, Acting 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. 



Fixed Nitrogen Research Laboratory F. G. Cottrell. Director. 



Division of Accounts and Disbursements-. A. Zappone, Chief. 



Division of Publications John L. Cobbs, Jr., Chief. 



Library Claribel R. Barnett, Librarian. 



States Relations Service A. C True, Director. 



Federal Horticultural Board C. L. Marlatt, Chairman. 



Insecticide and Fungicide Board J. K. Haywood, Chairman. 



Packers and Stockyards Administration 1 Chester Morrill, 



Grain Future Trading Act Administration-] Assistant to the Secretary. 

 Office of the Solicitor R. W. Williams, Solicitor. 



This bulletin is a contribution from 



Bureau of Entomology L. O. Howard, Chief. 



Gipsy Moth and Brovcn-Tail Moth In- 

 vestigations A. F. Burgess, Entomologist in 



Charge. 



16 



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 COPY FOR PROFIT.— PUB. RES. 67, APPROVED MAY 11, 1922 



