TREASURY DEPARTMENT. 
Public Health and Marine-Hospital Service of the United States. 
Walter Wyman, Surgreon-General. 
HYGIENIC LABORATORY.— BULLETIN No. 35. 
WL. J. ROSEMMAU, Director. 
February, 1907 . 
REPORT 
ON 
THE ORIGIN AND PREVALENCE OF TYPHOID 
FEVER IN THE DISTRICT OF COLUMBIA. 
BY 
IVT. J. ROSENAU, L. L. LLJiVrSrDEN, 
and JOSERH H. KASTLE. 
(Incldciing articles coxAtribated t>y Ch.. Wardell Stiles, 
JosejplA Goldberger, and .A.. XI. Stinason.) 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1907. 
