ORGANIZATION OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE. 
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 Hexry C. Taylor, Chief. 
Bureau of Animal Industry Johx It. 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 Whttney, Chief. 
Bureau of Entomology L. 0. 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 Edwin C. Powell, Acting Chief. 
Library Clarebel P. Barnett. Librarian . 
States Relations Service A. C . True . D irector. 
Federal Horticultural Board C. L. Marlatt, Chairman . 
Insecticide and Fungicide Board J. K. Haywood, Chairman . 
Packers and Stockyards Adm in istration 1 Chester Morrill. Assistant to 
Grain Futures Trading Act Administration J the Secretary. 
Office of the Solicitor R. W. Williams, Solicitor. 
This bulletin is a contribution from 
Bureau of Animal Industry John R. Mohler, Chief. 
Dairy Division C. W. Larsox. Chief 
46 
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COPT FOR PROFIT.— PUB. RES. 57, APPROVED MAY 11, 1922 
