ORGANIZATION OF HYGIENIC LABORATORY. 
Walter Wymaa. Surgeon-General, 
U. S. Public Health and Marine-Hospital Service. 
ADTISORT BOARD. 
. U. S. Army; Snrg, John F. Urie, U. S. Navy; Dr. D. E. Salmon, 
Chief of IT. S. Bnrean of Animal Indnstry; and Milton J. Eosenan, U. S. 
Pnblic Health and 3Iarine-Hospital Service, ex officio. 
Prof. William H. Welch, Prof. Simon Flexner. Prof. Victor C. Vanghan, Prof. 
William T. Sedgwick, and Prof. Frank F. Wesbrook, 
LABORATORY CORPS. 
Director. — P. A, Snrg. ^Hilton .J. Rosenan. 
Assistant Director. — P. A. Snrg, -John F. Anderson. 
Pharmacist. — M. H, Watters, Ph. G-. 
DIVISION OF PATHOLOGY AYD BACTERIOLOGY. 
Chief of Division. — P, A. Snrg. !Milton .J. Rosenan. 
Assistants. — P. A. Snrg. .John F, Anderson and H. B. Parker, and Asst. Snrg. 
Thomas B. McClintic, Clarence W. Wille. and Edward Francis. 
DIYISIOY OF ZOOLOGY. 
Chief of Division. — Ch. War dell Stiles. Ph. D. 
Assistants. — Philip E. G-arrison. A. B.; Brayton H. Ransom. B. Sc., A. M.; Earle 
C. SteYenson, B. Sc.; Arthnr L. Mnrray. 
