ORGANIZATION OF HYGIENIC LABORATORY 
Walter Wyman. Surgeon-General. 
United Sto.f^ Public Health and Marine-Hospital Service. 
ADVISORY BOARD. 
Major Walter D. McCaw. Surgeon. U. S. Army: Surgeon John F. Urie, U. S. Xavy; 
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. Xew 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. Minneapolis. Minn. 
LABORATORY CORPS. 
Director. — Passed Assistant Surgeon Milton J. Rosenau. 
Assistant director. — Passed Assistant Surgeon John F. Anderson. 
Pharmacist. — Frank J. Herty, Ph. G. 
Acting librarian. — E. B. K. Foltz. 
DIVISION OF PATHOLOGY AND BACTERIOLOGY. 
Chief of division. — Passed Assistant Surgeon Milton J. Rosenau. 
Assist ts. — Passed Assistant Surgeons John F# Anderson. Halstead A. Stansfield, 
and T. B. McClintic. 
DIVISION OF ZOOLOGY. 
Chief of division. — Ch. Warded Stiles. Ph. D. 
Assistants. — Passed Assistant Surgeon Joseph Goldberger; Philip E. Garrison, 
A. B., M. D., and Arthur L. Murray, M. D. 
DIVISION OF PHARMACOLOGY. 
' ef of division . — Reid Hunt. Ph. P.. M. D. 
Assistants . — Ernest S. Clowes. B. S.. and Madison B. Porch, B. S. 
DIVISION OF CHEMISTRY. 
Chief of division . — Joseph H. Kastle. Ph. D. 
Assistant . — Harold Lindsay Amoss. B. S. 
