ORGANIZATION OF THE UNITED STATES DEPARTMENT OF AGRICULTURE WHEN THIS PUBLICATION WAS LAST PRINTED
| Secretary of Agriculture | Arthur M. Hyde. |
| Assistant Secretary | R. W. Dunlap. |
| Director of Scientific Work | A. F. Woods. |
| Director of Regulatory Work | Walter G. Campbell. |
| Director of Extension Work | C. W. Warburton. |
| Director of Personnel and Business Administration | W. W. Stockberger. |
| Director of Information | M. S. Eisenhower. |
| Solicitor | E. L. Marshall. |
| Bureau of Agricultural Economics | Nils A. Olsen, Chief. |
| Bureau of Agricultural Engineering | S. H. McCrory, Chief. |
| Bureau of Animal Industry | John R. Mohler, Chief. |
| Bureau of Biological Survey | Paul G. Redington, Chief. |
| Bureau of Chemistry and Soils | H. G. Knight, Chief. |
| Office of Cooperative Extension Work | C. B. Smith, Chief. |
| Bureau of Dairy Industry | O. E. Reed, Chief. |
| Bureau of Entomology | C. L. Marlatt, Chief. |
| Office of Experiment Stations | James T. Jardine, Chief. |
| Food and Drug Administration | Walter G. Campbell, Director of Regulatory Work, in Charge. |
| Forest Service | R. Y. Stuart, Chief. |
| Grain Futures Administration | J. W. T. Duvel, Chief. |
| Bureau of Home Economics | Louise Stanley, Chief. |
| Library | Claribel R. Barnett, Librarian. |
| Bureau of Plant Industry | William A. Taylor, Chief. |
| Bureau of Plant Quarantine | Lee A. Strong, Chief. |
| Bureau of Public Roads | Thomas H. MacDonald, Chief. |
| Weather Bureau | Charles F. Marvin, Chief. |
U. S. GOVERNMENT PRINTING OFFICE: 1938
For sale by the Superintendent of Documents, Washington, D. C. Price 5 cents
[1] ] Musca domestica L.
[2] ] Stomoxys calcitrans L.
[3] ] Pollenia rudis Fab.
[4] ] Calliphora erythrocephala Meig.
[5] ] Phormia regina Meig. and P. terrae-novae Desv.
[6] ] Lucilia caesar L., L. sericata Meig., and other species of the genus.
[7] ] Fannia canicularis L.
[8] ] Drosophila ampelophila Loew.
[9] ] Where the yellow fever or dengue fever mosquito occurs, 18-mesh screen cloth (or 16-mesh screen cloth made from extra heavy wire) should be used.
[10] ] Veratrum viride or V. aloum.
[11] ] Department Bulletin 118, U. S. Department of Agriculture, p. 25.
Transcriber's note: footnotes 10 & 11 renumbered to avoid the confusion generated by two footnote 9's.