ORGANIZATION OF HYGIENIC LABORATORY. 
Walter Wyman, Surgeon-General , 
United States Public Health and Marine- Hospital Service. 
ADVISORY BOARD. 
Lieut. Col. Walter D. McCaw, surgeon, U. S. Army; Surg. Charles S. Butler, U. S. 
Navy; Dr. A. D. Melvin, Chief of United States Bureau of Animal Industry, and 
Milton J. Rosenau, United States 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, New 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. — Surg. Milton J. Rosenau. 
Assistant director. — Passed Asst. Surg. John F. Anderson. 
Pharmacists. — Lewis C. Spangler, Ph. G., C. O. Sterns, Ph. Cl. 
Artist. — Leonard H. Wilder. 
Acting librarian. — E. B. K. Foltz. 
DIVISION OF PATHOLOGY AND BACTERIOLOGY. 
Chief of division. — Surg. Milton J. Rosenau. 
Assistants. — Passed Asst. Surgs. John F. Anderson, Claude H. Lavinder, L. L. 
Lumsden, Thomas B. McClintic, Arthur M. Stimson, Herbert M. Manning, W. H. 
Frost, and Walter D. Cannon, M. D. 
DIVISION OF ZOOLOGY. 
Chief of division. — Ch. Wardell Stiles, Ph. D. 
Assistants. — Passed Asst. Surg. Joseph Goldberger, Charles Crane, B. S., and G. F. 
Leonard, A. B. 
DIVISION OF PHARMACOLOGY. 
Chief of division. — Reid Hunt, Ph. D., M. D. 
Assistants. — Atherton Seidell, Ph. D., Rene de M. Taveau, A. B., W. H. Schultz, 
Ph. D., Worth Hale,- M. D., Murray Galt Motter, A. M., M. D., and Martin I. Wilbert, 
Ph. M. 
DIVISION OF CHEMISTRY. 
Chief of division. — Joseph H. Kastle, Ph. D. 
Assistants. — Passed Asst. Surg. Xorman Roberts and Elias Elvove, M. S. 
( 3 ) 
