ORGANIZATION OF HYGIENIC LABORATORY. 
Waltkr Wyniax, Surgeon-General, 
United States Public Health and Marine- Hospital Service. 
.ADTISOET BOAED. 
Major Walter D. McCaw, Surgeon U. S. Army; Surgeon John F. Urie, U. S. ^avy; 
Dr. D. E. Salmon. Chief of U. S. Bureau of Animal Industry; and Milton J. Eosenau, 
E. S. Public Health and Marine-Hospital Service, ex officio. 
Prof. William H. Welch, Prof. Simon Flexner, Prof. Ahctor C. Vaughan, Prof. 
William T. Sedgvrick, and Prof. Frank F. Wesbrook. 
LABORATORY CORPS. 
Director. — Passed Assistant Surgeon Milton J. Rosenau. 
Assistant director. — Passed Assistant Surgeon John F. ^Cnderson. 
Pharmacist. — Frank J. Herty, Ph. G. 
DIVISION OF PATHOLOGY AND BACTEEIOLOGY. 
Chief of dir ision. — Passed Assistant Surgeon Milton J. Rosenau. 
Assistants. — Passed Assistant Surgeon John F. Anderson and Assistant. Surgeons 
Robert L. Wilson, Edward Francis, and Arthur M. Stimson. 
DIVISION OF ZOOLOGY. 
Chief of division. — Ch. Wardell Stiles, Ph. D. 
Assistants. — Phihp E. Garrison, A. B., and Arthur L. Murray, M. D. 
DIVISION OF PHAEMACOLOGY. 
Chief of division. — Reid Hunt, M. D., Ph. D. 
9 
