88
MADURA.
WATER SAMPLES TAKEN—14TH NOVEMBER 1911.
Remarks.—The river-bed of the Vaigai river was dry when samples were taken. Spring channels are out in the bed of the
river to increase the yield. The supply is intermittent. There has been about 10.54 inches of rain since last analysis.
Bacteriological Analysis.
SAMPLE
1.— F R O M A C H A N N E L C U T I N T H E B E D O F T H E R I V E R
VAIGAI.
N u m b e r . Lactose.
Sacchar ose.
Du l c i t e . Adoni te.
Inul i n.
V o g e s a n d P r o s k .
Indol . Motility. Group.
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37° C.—Countless.
Bile salt lactose, medium.
+
-
1 tube of 20 cc.
.
.
.
1
. . .
1
+ +
- +
- +
-
- IV
B. Lactis ærogenes.
Group I, nil.
2
. . .
2 tubes of 10 cc. . . .
2 + + +
-
- - + +
I I I B.71. . .
" I I ,n
i l .
3
3 " 5 cc. . . .
. . .
3 + +
- +
- +
-
- IV B. Lactis ærogenes.
" III, 4.
3
3 " 1 cc. . . .
. . .
4 + +
-
-
- - + +
I V B. 106. . .
" IV, 6.
3 " . 1 c c . . . .
2
1
5 +
+
+
-
- -
+
+
I I IB. 71. . . .
3 " . 0 1 c c . . . .
. . .
3
6 +
+
-
+
- +
-
- IV
B. Lactis ærogenes.
Fœcal bacilli in .1 cc. and upwards.
7 +
+
+
-
- - +
-
I I I B. Neapolitanus.
8 + + +
-
- - + + III B. 71
...
... Class
I, nil.
9 + +
- +
- +
-
- IV
B. Lactis ærogenes.
" II, 10.
No vibrios in 100 cc.
10 + +
-
+
- +
-
- IV
" III, nil.
Do.
SAMPLE II.—TAP IN FRONT OF PUMPING STATION.
1 +
- +
-
-
- +
+
I I B. Coli communis. . . Group I, nil.
Total colonies per cc. on agar at 37° C.—120.
2
+
-
+
-
-
-
+
+ II
Do. . . .
" II, 10.
3 +
- +
-
-
- + + II
Do. . . .
" I I I ,n
i l .
4
+
-
+
-
-
-
+
+ II
Do. . . .
"
I V ,
n i l .
Bile salt lactose, medium.
+
-
5
+
-
+
-
-
-
+
+ II
Do. . . .
6 +
- +
-
-
- + + II
Do. . . .
7
+
-
+
-
-
-
+
+
I I
Do. . . .
8
+
-
+
-
-
-
+ + II
Do. . . .
Class I, 10.
1 tube of 20 cc. . . .
. . .
1
9
+
- +
-
-
- + + II
Do. . . .
" II, nil.
2 tubes of 10 cc. . . .
1
1
10 +
- +
-
-
- + + II
Do. . . .
" III nil .
3 "
5 cc. . . .
1
2
3 " 1cc. . . .
1
2
3 " .1 cc. . . .
. . .
3
3 " .01 cc. . . .
. . .
3
Fœcal bacilli in 20 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP IN MUNGAMMAL CHATTRAM.
N o l a c t o s e f e r m e n t e r s .
Total colonies per cc. on agar at 37° C.—80.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. . . .
. . .
1
2
2 tubes of 10 cc. . . .
. . .
3 " 5 cc. . . .
. . .
3
3
3 " 1cc. . . .
. . .
3 " . 1 c c . . . .
. . .
3
3 " . 0 1 c c . . . .
. . .
3
Fœcal bacilli not present in 60 cc.
No vibrios in 100 cc.
SAMPLE IV.—PILLAR FOUNTAIN NO. 1 NEAR BIG TEPPA
-
K U L A M .
1 + +
-
-
-
- +
- IV B. Coscoroba . . .
Group
I, nil .
Total colonies per cc. on agar at 37° C.—100.
2 + +
-
-
-
- +
- IV
Do. . . .
" II, nil .
3 + +
-
-
-
-
+
- IV
Do. . . .
" III, nil .
Bile salt lactose, medium.
+
-
" IV, 10.
4 + +
-
-
-
- +
- IV
Do. . . .
5 + +
-
-
-
- +
-
I V
Do. . . .
6
+
+
-
-
-
-
+
- IV
Do. . . .
1 tube of 20 cc. . . .
1
. . .
7 + +
-
-
-
- +
- 1V
Do. . . .
8 + +
-
- -
- +
- IV
Do.
. . .
C l a s s I ,n
i l .
. . .
2 tubes of 10 cc. . . .
2
9 + +
-
-
- - +
- IV
Do. . . .
" II, 10.
3 " 5 cc. . . .
3
. . .
10 + +
-
-
- - +
- IV
Do. . . .
" III,
n i l .
3 " 1 c c . . . .
. . .
3
3 " . 1 c c . . . .
3
. . .
3 " .01 cc. . . .
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.