1 . 
2. 
3. 
4. 
5. 
6. 
8 . 
9. 
10. 
11 . 
12 . 
13. 
14. 
15. 
16. 
17. 
18. 
19. 
20 . 
21 . 
22 . 
23. 
24. 
25. 
26, 
27, 
28, 
29, 
30 
72 
FILTERED WATER— Continued. 
NOVEMBER, 1908. 
B. coli in — 
Day of month.” 
Bacteria 
per c. c. I 
0.1c. e. le. c. 
47 
26 
14 
Fermentation in lactose broth. 
10 c. c. 
: 0.1 c. c. 
1 c. c. 
10 c. c. 
j 
_ 
85 
17 
14 
27 
68 
55 
17 
26 
23 
15 
11 
50 
25 
35 
40 
48 
55 
26 
00 
Average 37 
