1 . 
2 . 
3 . 
4 , 
5 . 
6 . 
7 . 
8 . 
9 . 
10 . 
11 . 
12 . 
13 . 
14 . 
15 . 
16 . 
17 . 
18 . 
19 . 
20 . 
21 . 
22 . 
23 . 
24 . 
25 . 
26 . 
27 , 
28 . 
29 . 
30 . 
56 
EAW ^VATER — Continued. 
NOVEMBER. 
Day of month. 
Bacteria 
per c. c. 
B. coli in — 
Fermentation in lactose broth. 
}.l c. c. I 1 e. c. 
10 c. c. 0.1 c. c. I 1 e. c. . 10 c. c. 
3,950 
650 
950 
2,200 
2,600 
850 
- i 
1,700 
500 
350 
700 
900 
550 
650 
500 
650 
750 
550 
700 
800 : - 
+ 1 - 
A verage . 
1,078 
