129
TABLE 1 .—Table showing the quantity of pollution in each sample.
N a m e s
of municipalities.
Unfiltered or natural waters.
Filtered waters.
Water taken from pipes.
T o t a l c o l o n i e s
p e r c c . o n a g a r
a t 3 7° C .
Lactose fermen-
t e r s i n
V i b r i o s i n 1 0 0 c c .
T r u e c o l i c o m .
T o t a l c o l o n i e s
p e r c c . o n a g a r
a t 3 7° C .
L a c t o s e f e r m e n -
t e r s i n
V i b r i o s i n 1 0 0 c c .
T r u e c o l i c o m .
Tot al col oni es
per cc. on agar
a t 3 7° C .
L a c t o s e f e r m e n -
t e r s i n
V i b r i o s i n 1 0 0 c c .
T r u e c o l i c o m .
2 0 c c . 1 0 c c . 5 c c . 1 c c .
. 1 c c .
. 0 1 c c .
2 0 c c . 1 0 c c .
5 c c . 1 c c . . 1 c c . . 0 1 c c .
2 0 c c . 1 0 c c .
5 c c . 1 c c .
. 1 c c .
. 0 1 c c .
A . — R i v e r w a t e r s a n d g a l l e r i e s
i n r i v e r s .
† +
+
+ + + - - -
7 5 0
+ + + + - -
-
-
Bezwada
830 + + + +
- - - -
Canal
...
Countless + + + + +
- - - 700
+ + + - - - - -
1 2 0
+
- - - - - - -
4 8 0
-
- - - - - - -
7 8 0
-
- - - - - - -
Cocanada
Stored ...
6 0
+ + + - - - - -
Conjeeveram ...
...
2,840
+ + + - - - - -
7 0
+ + + - - - - -
3,520 + + + + +
- -
-
Gudiyāttam
...
...
2,560 + + + + +
- - -
3,730
+ + + + + + - -
89
+
+ - - - - - -
Canal ...
...
4,500 + + + + +
- - -
6 0
-
- - - - - - -
Kurnool Stored
3,840
+ + + + - - - -
Stored. ...
...
760
+ + + + + - - -
2,900
+ + + - - - - -
5 0
+ + - - - - - -
3 9 0
+ + + + + - - -
Madura ...
...
...
3 8 0
+ + + + - - - -
750
+ + + + + - - -
3,520 + + + + +
- - -
-
1,790
+ + + + + - - -
Nellore ...
...
...
2,620 + + + + +
- - -
8,100
+ + + + + - - -
6 , 4 0 0
+ + + - - - - -
3 7 0
+ - - - - - - -
Tanjore ...
...
...
3 6 0
+
+ - - - - - -
†
+ + + + +
- - -
8,700
+ + + - - - - -
Countless
+ + + - - - - -
Trichinopoly ...
....
Countless
+ + + + + + - -
1,040
+ + + + - - - -
2 , 4 2 0
+ + + + - - - -
3 , 1 6 0
+ + + + - - - -
Tirupati *
2,200
+ + + + - - - -
5 , 8 4 0
+ + + + + - - -
4,500
+ + + + + - -
-
Average ...
3,551
+
+
+ + + - - -
3 , 3 9 9
+ + +
- - - - -
2 , 2 4 6
+ + + + - - -
-
B . — U p l a n d s u r f a c e w a t e r s .
1 , 1 5 0
+
+
+
+ - - - -
1 , 0 4 0
+
+
+
+ -
-
- -
9 5 0
+ + + + -
-
- -
Adō ni . . . . . .
2,080
+ + + - - - - -
2 2 5
+ + + + - - - -
10
+ + + - - - - -
Coonoor
...
...
...
28 + + +
- - - - -
45
+ + + - - - - -
2 0 6
-
- - - - - - -
1,430
+ + + + - - -
-
Madras
...
...
...
9 9
-
- - - - - - -
1 , 4 4 0
+ + + + - - -
-
552
+ + +
+ - - - -
3 0
+ + + - - - - -
88
+ + + - - - - -
610
+ + + - - - - -
2 7 5
-
- - - - - - -
Ootacamund
278
+
+ - - - - - -
1 3 4
-
- - - - - - -
30
+
- - - - - - -
6,800
+
+ + + + - - -
1 , 4 7 0
+ + + + + - - -
1 , 2 5 0
+ + + + - - -
-
1 , 9 0 0
+ + + + + - -
-
Vellore
...
..
2,300
+ + + + + - -
-
4,100
+
+
+ + - - - -
5 0
+ + - - - - - -
1 , 4 1 0
+
+ + - - - - -
Vizagapatam.
...
...
7 0 0
+
-
- - - - - -
Average ...
1,301 + + + +
- - - - 780
+ +
+ + - - - -
909 + +
+
- - - - -
C . — S p r i n g
w a t e r s .
Adō ni (spring) ...
...
†
+
+
+
+ + - - -
1 , 0 0 0
+
+
+
+ - - - +
Cuddapah
...
...
4 4 0 +
+ + - - - - -
Deep well ...
....
670
+
+ + + - - - -
8 2 0 -
- - - - - - -
Dindigul
...
7,040
-
- - - - - - -
3,130
+
+ + + - - - -
Guntū r
†
- - - - - - - - 1,090
+
+ + + - - - -
4,900
+
+ + + + - - -
Average ...
670
+
+ + + + - - -
- - - - - - - -
2 , 6 3 1
+
+ + + - - -
* These waters are well waters in the bed of a river.
For the purposes of averages "Countless" is taken to be 10,000.
† Signifies "not. determined."
The various quantities of the sample that showed the presence of fœcal bacilli are marked + ; those from which these organissms
were absent are marked—.
37