41 
I 
Table showing the number of bacteria and presence of colon bacilli in samples taken from 
the outlet of the filtered water reservoir — Continued. 
OCTOBER. 
Date. 
Number of bacteria 
per cubic centime- 
ter. 
B. coli in— 
Fermentation in sugar 
broth (c). 
(a) 
Filtra- 
tion 
plant. 
(&) 
Agri- 
cultu- 
ral De- 
part- 
ment. 
(c) 
Hygi- 
enic 
Labor- 
atory. 
0.1 c. c. 
1 c. c. 
10 c. c. 
i 
0.1 e. c. 
1 c. c. 
10 c. c. 
1907. 
Oct. 1 
42 
12 
260 
-f 
+ 
2. 
220 
45 
240 
+ (b) (c).. 
+ (b) (c).. 
-t- 
+ 
3. 
31 
10 
56 
+ (b) ... . 
-f- 
4. 
38 
14 
56 
-t-(a) (b) (c) 
-t- 
-f 
5 
44 
23 
22 
i 
+ {b) (c)..i 
- 1 - 
. G 
30 
-f (a) 
7. 
40 
3 
34 
+ (b) (c).. 
+ 
8. 
24 
4 
28 
+ (b) (c)..l 
i -P 
9 
30 
3 
70 
+ (f>) 
10 
26 
3 i 
18 
1 _ 
11.. 
44 
1 
4 
110 
12 
75 
100 
....1 
-f- (c) 
-f- 
13. 
38 
14 
43 
1 10 
28 
15 
50 
1 
40 
16 
13 
i 9 
20 
17. 
14 
10 
100 
18 
19 
, 9 
18 
+ 
19 
21 
1 « 
16 
-t- (c) 
- 1 - 
20. 
32 
21. . . .. 
28 
5 
60 
22 
13 
39 
23.. 
11 
180 
1 
24 
14 
6 
500 
25 
19 
6 
140 
26. . . . 
18 
9 
20 
27 
28 ^ 
15 
6 
30 
29 
10 
30 
30 
4 
i 2 
70 
i 
31 
8 
18 
|... 
Average. . . . 
^-1 + 
+ 
1 84-1- 
1 
1 
! 
i 
1 
