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, 
52 
RAW WATER— Continued. 
JUNE. 
Day of mouth. 
Average, 
Bacteria 
per c. c. 
B . coli in— 
Fermentation in lactose broth. 
0.1 c. c. 
1 c. c. 
10 c. c. 
0.1 c. c. 
1 c. c. 
! 
10 c. c. 
4,750 
_ 
+ 
+ 
+ 
+ 
1 
I + 
3,400 
- 
+ 
+ 
- 
+ 
+ 
2,900 
+ 
+ 
+ 
+ 
+ 
+ 
2, 400 
- 
+ 
+ 
- 
+ 
i + 
2,750 
- 
+ 
+ 
- 
+ 
j + 
1,850 
- 
- 
+ 
- 
- 
1 - 
1,400 
- 
+ 
- 
- 
+ 
1,150 
- 
■ 
+ 
- 
+ 
+ 
800 
- 
- 
+ 
- 
- 
+ 
525 
- 
- 
- 
- 
- 
- 
1,925 
- 
+ 
+ 
+ 
+ 
+ 
1,900 
- 
- 
+ 
- 
+ 
+ 
4,200 
+ 
+ 
- 
+ 
+ 
18,800 
+ 
+ 
+ 
+ 
+ 
9, 650 
i 
+ 
+ 
+ 
+ 
+ 
4,900 
- 
+ 
+ 
- 
+ 
+ 
2,950 
+ 
+ 
+ 
+ 
+ 
+ 
2, 300 
- 
+ 
+ 
- 
+ 
+ 
1 
1,200 
- 
- 
+ 
- 
- 
i + ■ 
675 
- 
- 
+ 
- 
- 
+ 
1,025 
- 
- 
+ 
- 
- 
+ 
250 
- 
- 
+ 
- 
- 
+ 
200 
- 
- 
+ 
- 
+• 
400 
- 
- 
+ 
- 
- 
+ 
255 
- 
- 
+ 
- 
+ 
+ 
2,902 
i 
1 
