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ORGANIZATION OF HYGIENIC LABORATORY 
Walter Wyman, Surgeon-General, 
United States Public Health and Marine-Hospital Service. 
ADVISORY BOARD. 
Lieut. Col. Walter D. McCaw, Surgeon, U. S. Army; Surg. 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, Minne- 
apolis, Minn. 
LABORATORY CORPS. 
Director. — Surg. Milton J. Rosenau. 
Assistant director. — Passed Asst. Surg. John F. Anderson. 
Senior pharmacist. — Frank J. Herty, Ph. G. 
Junior pharmacist . — C. O, Sterns. 
Artist. — Leonard H. Wilder. 
Acting librarian . — E. B. K. Foltz. 
DIVISION OF PATHOLOGY AND BACTERIOLOGY. 
Chief of division. — Surg. Milton J. Rosenau. 
Assistants. — Passed Asst. Surgs. John F. Anderson, L. E. Cofer, L. L. Lums- 
den, Richard Creel, Herbert M. Manning, and Frederick C. Smith ; 
Asst. Surg. W. H. Frost and Walter D. Cannon, M. D. 
DIVISION OF ZOOLOGY. 
Chief of division. — Ch. Wardell Stiles, Ph. D. 
Assistants . — Passed Asst. Surg. Joseph Goldberger, Charles G. Crane, A. B., 
and George F. Leonard, A. B. 
DIVISION OF PHARMACOLOGY. 
Chief of division^— Reir Hunt, Ph. D., M. D. 
As&startts.'r-^N theRton HSeidell, Ph. D., Rene de M. Taveau, A. B., W. H. 
Schultz,' P ll: D., Worth Hale, M. D., Murray Galt Motter, M. D., Martin 
I. Wh/bert,’ 'Phi -M., and Pedro P. Goicouria, Ph. M. 
DIVISION OF CHEMISTRY. 
Chief of division . — Joseph H. Kastle, Ph. D. 
Assistants . — Passed Asst. Surg. Norman Roberts and Elias Elvove, M. S. 
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