ORGANIZATION OF THE UNITED STATES DEPARTMENT OF 
AGRICULTURE. 
Secretary of Agriculture. _____----------- Henry C. WALLACE. 
Assistant Secretary ener C. W. PuGstry. 
Director of Scientific Work___------------ BE. D, Batt. 
Director of Regulatory Work__—~~.---~------ 
Weather Bureau_______-_----------- ---~-. CHartes F, Marvin, Chief. 
Bureau of Agricultural Economics_------- Henry C. Taytor, Chief. 
Bureau of Animal Industry_------------— JoHN R. Mouter, Chief. 
Bureau of Plant Industry_--------------- Wr11am A. Taytor, Chief. 
Forest Service_______-- ----~------------- W. B. GREELEY, Chief. 
Bureau of Chemistry_--------- ----------. Watter G. CAMPBELL, .leting Chief. 
IBUTCOU OF SOUS so eee eee Mitton WHItTNEY, Chief. 
Bureau of Entomology__-_----~---------- L. O. Howarp, Chief. 
Bureau of Biological Survey__.---------- E. W. NEtson, Chief. 
Bureau of Public Roads__---------------- THomas H. MacDonatp, Chief. 
Fixed Nitrogen Research Laboratory___~-. F. G. Corrrety, Director. 
Division of Accounts and Disbursements. A. ZAppone, Chief. 
Division of Publications_____.____----_--- JoHN L. Cosss, Jr., Chief. 
Library_—_ : _... CLARIBEL R. Barnett, Librarian. 
States Relations Service__._.--_.____-__-. A. C. Trur, Director. 
Federal Horticultural Board___--.--_-__— Cc. L. Martatr, Chairman. 
Insecticide and Fungicide Board_________. J. K. Haywoop, Chairman. 
Packers and Stockyards Administration___) CHEestreR MorriLu, Assistant to 
Grain Future Trading Act pe menieire, the Secretary. 
Office of the Solicitor R. W. Wittiams, Solicitor. 
This bulletin is a contribution from— 
Bureau of Biological Survey_____________. E, W. Netson, Chief. 
Division of Food Habits Research__.._ W. L. McAresr, In Charge. 
30 
WASHINGTON : GOVBRNMENT PRINTING OFFICD : 1923 
