ORGANIZATION OF HYGIENIC LABORATORY. 
Walter Wymait; 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. Victor 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. — Passed Assistant Surgeon Milton J. Rosenau. 
Assistant director. — Passed Assistant Surgeon John F. Anderson. 
Pharmacist. — Frank J. Herty, Ph. G. 
Artist. — Leonard H. Wilder. 
Acting librarian. — E. B. K. Foltz. 
DIVISION OF PATHOLOGY AND BACTERIOLOGY. 
Chief of division. — Passed Assistant Surgeon Milton J. Rosenau. 
Assistants. — Passed Assistant Surgeons John F. Anderson, L. L. Lumsden, W. W. 
King, and George W. McCoy, and Assistant Surgeon A. M. Stimson. 
DIVISION OF ZOOLOGY. 
Chief of division. — Ch. Wardell Stiles, Ph. D. 
Assistants. — Passed Assistant Surgeon Joseph Goldberger, Walter D. Cannon, A. B., 
M. D., and David G. Willets, A. B. 
DIVISION OF PHARMACOLOGY. 
Chief of division. — Reid Hunt, Ph. D., M. D. 
Assistant. — Atherton Seidell, Ph. D. 
DIVISION OF CHEMISTRY. 
Chief of division. — Joseph H. Kastle, Ph. D. 
Assistants. — Assistant Surgeon Norman Roberts, Harold L. Amoss, B. S., and James 
S. McHargue, B. S. 
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