ORGANIZATION OF HYGIENIC LABORATORY. 
Walter Wyman, Surgeon-General, 
United States PiiNic Health and Marine-Hospital Service. 
ADVISORA' 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. 
Victor C. Vaughan, University of Michigan, Ann Harbor, 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. 
Pharmacist. — Frank J. Herty, Ph. G. 
Artist. — Leonard H. Wilder. 
Acting IHrarian. — E. B. K. Foltz. 
DIVISION OF PATHOLOGY AND BACTERIOLOGY. 
Chief of division. — Surgeon Milton J. Rosenau. 
Assistants. — Passed Assistant Surgeons John F. Anderson, L. L. Lumsden, 
J, W. Amesse, George W. McCoy, A. M. Stimson, and Assistant Surgeon W. W. 
Miller. 
DIVISION OF ZOOLOGY. 
Chief of division . — Ch. Warden Stiles, Ph. D. 
Assistants. — Passed Assistant Surgeon Joseph Goldberger and Walter D. Can- 
non, M. D. 
DIVISION OF PHARMACOLOGAL 
Chief of division. — Reid Hunt, Ph. D., M. D. 
Assistants. — Atherton Seidell, Ph. D., and Rene DeM. Taveau, A. B. 
DIVISION OF CHEMISTRY. 
Chief of division. — Joseph H. Kastle, Ph. D. 
Assistants. — Assistant Surgeon Norman Roberts and Madison B. Porch, B. S. 
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