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ORGANIZATION OF HYGIENIC LABORATORY. 
AValtek Wymax, Surgeon- General, 
United States Public Health and Marine-Hospital Service. 
ADVISORY BOARD. 
Major AValter D. McCaw, Surgeon, U. S. Army; Surgeon John F. Urie, U. S. Navy; 
•. D. E. Salmon, Chief of U. S. Bureau of Animal Industry; and Milton J. Eosenau, 
. S. Public Health and Marine-Hospital Service, ex officio. 
Prof. AA^illiam H. AA'elch, Prof. Simon Flexner, Prof. Victor C. Vaughan, Prof. 
AVilliam T. Sedgwick, and Prof. Frank F. Wesbrook. 
LABORATORY CORPS. 
Director. — Passed Assistant Surgeon Milton J. Rosenau. 
Assistant director. — Passed Assistant Surgeon John F. Anderson. 
Pharmacist. — Frank A. Southard, Ph. G. 
DIVISION OF’PATIIOLOGY AND BACTERIOLOGY. 
Chief of division. — Passed Assistant Surgeon Milton J. Rosenau. 
Assistants. — Passed Assistant Surgeons John F. Anderson and R. H. von Ezdorf; 
Assistant Surgeon Edward Francis. 
DIVISION OF ZOOLOGY. 
' Chief of division. — Ch. AVardell Stiles, Ph. H. 
Assistants. — Philip E. Garrison, A. B. ; Arthur J>. Murray, M. P. 
DIVISION OF PHARMACOLOGY. 
Chief of division — Reid Hunt, M. I)., Ph. D. 
Assistant. — Daniel Base, Ph. D. 
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