JUNE JULY AUGUST SEfTEMBER OCTOBER 
LOOlf3 0loC>lOO>T>OLOOLoOtOOLOOli:>0 
(35<?>COCO£>t^<X)CDLOlO 'T’^tQCOOJCVi — — 
CASES OF TYPHOID FEVER REPORTED IN THE DISTRICT OF COLUMBIA FROM JUNE 1 TO NOVEMBER 1, 1906, CHARTED ACCORDING TO THE 
DATE OF ONSET OF ILLNESS, IN HVE-DAY PERIODS. 
CASES OF TYPHOID FEVER REPORTED IN THE DISTRICT OF COLUMBIA FROM MAY 1 TO NOVEMBER 1, 1907, CHARTED ACCORDING TO THE 
DATE OF ONSET OF ILLNESS, IN FIVE-DAY PERIODS. norris peters co.. Washington, d. c. 
