74 
THE FILTERED RIVER WATER FROM TAPS— Continued. 
Table showing fermentation in lactose broth of samples taken from constantly flowing 
hydrant in Lafayette Square — Continued. 
JULY, 1908. 
Day of month. j 
Fermentation in lactose broth. 
0.1c. c. 
1 c. c. 
10 c. c. 
1 
“ i 
i 
! ~ 
1 
1 
- 
j - 
1 - 
1 
i 
1 
1 
- 
+ 
+ 
! 
! + 
1 
1 
j 
1 
+ 
4- 
+ 
+ 
+ 
1 
1 
+ 
1 
+ 
! 
1 
) 
