ORGANIZATION OF HYGIENIC LABORATORY 
'Walter Wyman, Surgeon- General, 
United States Public Health and Marine-Hospital Service. 
ADVISORY' BOARD. 
Major Walter D. McCaw, Surgeon U. S. Army; Surgeon John F. Urie, U. S. XavN'; 
Dr. D. E. Salmon, 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, Prof. Simon Flexner, Prof, '\hctor C. Vaughan, Prof. 
"William 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. — M. 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. McClintic and Clarence W. 'Wille. 
DIY'ISION OF ZOOLOGY. 
Chief of division.— Ch. 'Wardell Stiles, Ph. D. 
Assistants . — Philip E. Garrison, A. B. ; David G. 'Willets, Ph. B. ; Arthur L. Murray, 
William F. Hemler. 
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