ORGANIZATION OF HYGIENIC LABORATORY. 
Walter Wyman, Surgeon-General, 
United States Public Health and Marine-Hospital Service. 
ADVISORY' BOARD. 
Maj. 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 Flex- 
ner, 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 Min- 
nesota, 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. 
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, W. W. King, H. A. Stansfield, 
and T. B. McClintic. 
DIVISION OF ZOOLOGY. 
Chief of division. — Ch. Wardell Stiles, Ph. D. 
Assistants. — Passed Assistant Surgeon Joseph Goldberger, Philip E. Garrison, M. D., 
and Arthur L. Murray, M. D. 
DIVISION OF PHARMACOLOGY. 
Chief of division. — Reid Hunt, Ph. D., M. D. 
Assistant. — Madison B. Porch, B. S. 
DIVISION OF CHEMISTRY. 
Chief of division. — Joseph H. Kastle, Ph. D. 
Assistant. — H. L. Amoss, B. S. 
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