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 | 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 | Edwin C. Powell, Acting 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 | Chester Morrill, Assistant to the Secretary. | |
| Grain Future Trading Act Administration | ||
| Office of the Solicitor | R. W. Williams, Solicitor. |
This bulletin is a contribution from the—
| Bureau of Biological Survey | E. W. Nelson, Chief. |
| Division of Food Habits Research | W. L. McAtee, in Charge. |
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COPY FOR PROFIT.—PUB. RES. 57, APPROVED MAY 11, 1922