ORGANIZATION OF HYGIENIC LABORATORY. 
Walter Wyman, Surgeon-General. 
United States Public Health and Marine- Hospital Service. 
ADVISORY BOARD. 
Major Walter D. McCaw, Surgeon, U. S. Army; Surgeon John F. Urie, U. S.Navy; 
Dr. A. D. Melvin, Chief of U. S. Bureau of Animal Industry, and Milton J. Rosenau, 
U.'S. Public Health and Marine-Hospital Service, ex officio. 
Prof. William H. Welch, Johns Hopkins University, Baltimore, Md.; Prof. Simon 
Flexner, Rockefeller Institute for Medical Research, New York; Prof. VTctor C. 
Vaughan, University of Michigan, Ann Arbor, Mich.; Prof. William T. Sedgwick, 
Massachusetts Institute of Technology, Boston, Mass.; and Prof. Frank F. Wesbrook, 
University of Minnesota, Minneapolis, Minn. 
LABORATORY CORPS. 
Director. — Surgeon Milton J. Rosenau. 
Assistant director. — Passed Assistant Surgeon John F. Anderson. 
Pharmacists. — Frank J. Herty, Ph. G., and Cletus O. Sterns, Ph. G. 
Artist. — Leonard H. Wilder. 
Acting librarian. — E. B. K. Foltz. 
DIVISION OF PATHOLOGY AND BACTERIOLOGY. 
Chief of division. — Surgeon Milton J. Rosenau. 
Assistants. — Passed Assistant Surgeons John F. Anderson, Claude H. Lavinder, 
Leslie L. Lumsden, Arthur M. Stimson, Herbert M. Manning, Wade H. Frost, and 
Walter D. Cannon, M. D. 
DIVISION OF ZOOLOGY. 
Chief of division. — Ch. Warded Stiles, Ph. D. 
Assistants. — Passed Assistant Surgeon Joseph Goldberger, Chas. G. Crane, B. S., 
Geo. F. Leonard, A. B. 
DIVISION OF PHARMACOLOGY. 
Chief of division. — Reid Hunt, Ph. D., M. D. 
Assistants. — Atherton Seidell, Ph. D., R. de M. Taveau, A. B.,W. H. Schultz, Ph. D., 
Worth Hale, M. D., Murray Galt Motter, A. M., M. D., and M. I. Wilbert, Ph. M. 
DIVISION OF CHEMISTRY. 
Chief of division. — ^Joseph H. Kastle, Ph. D. 
A Passed Assistant Surgeon Norman Roberts, Elias Elvove, M. S. 
