92 
THE FILTERED RIVER WATER FROM TAPS— Continued. 
Table showing fermentation in lactose broth of samples taken from constantly flowing 
hydrant at the Hygienic Laboratory — Continued. 
SEPTEMBEE, 1908. 
Day of montli. 
Fermentation in lactose broth. 
0.1 c. c. 1 c. c. 10 c. c. 
1 . 
2. 
3. 
4. 
5. 
6 . 
8 . 
9. 
10. 
11 . 
12. 
13. 
14. 
15. 
16. 
17. 
18. 
19. 
20 . 
21 . 
22 . 
2.3. 
24. 
25. 
26 
28. 
29 
30 
