TREASURY DEPARTMENT. 
Public Health and Marine-Hospital Service of the United States. 
HYGIENIC LABORATORY.— BULLETIN No. 44. 
May, 1908. 
REPORT No. 2 
ON 
THE ORICxIN AND PREVALENCE OF TYPHOID 
FEVER IN THE DISTRICT OF COLUMBIA. 
( 1907 .) 
BY 
M. J. L. L. LLINISDEN, 
anH JOSEPH: H. KASTLE. 
WASHINGTON : 
GOVERNMENT PRINTING OFFICE. 
1908. 
