ORGANIZATION OF HYGIENIC LABORATORY. 
AValtek Wyniax, Surgeon- General. 
United States PuNic Health and Ha rine- Hospital Service. 
ADVISORY BOARD. 
Major "Walter D. McCaw, Surgeon U. S. Army; Surgeon John F. Frie, U. S. Aavy; 
Dr. D. E. Salmon, Chief of U. S. Bureau of Animal Industry; and Milton J. Rosenau, 
F". S. Public Health and Marine-Hospital Service, ex officio. 
Prof. William H. Welch, Prof. Simon Flexner, Prof. Victor C. Vaughan, Prof. 
William T. Sedgwick, and Prof. Frank F. "Wesbrook. 
LABORATORY CORPS. 
1)1 rector . — Passed Assistant Surgeon Milton J, Rosenau. 
Assistant director . — Passed Assistant Surgeon John F. Anderson. 
Pharmacist. — iM. H. "Watters, Ph. G. 
DIVISION OF PATHOLOGY' AND BACTERIOLOGY'. 
Chief of division . — Passed Assistant Surgeon Milton J. Rosenau. 
Assistants . — Passed Assistant Surgeon John F. Anderson and Assistant Surgeons 
Thomas B. McGlintic, Clarence V'. "Wille. 
DIVISION OF ZOOLOGY'. 
Chief of division. — Ch. "Wardell Stiles, Ph. D. 
Assistants . — Philip E. Garrison, A. B. ; David G. Millets, Ph. B. ; Arthur L. Mur- 
ray; "William E. Hemler. 
