26
NELLORE.
WATER SAMPLES TAKEN—22ND FEBRUARY 1911.
REMARKS.—There was no flow of water in the river Pennar when samples were taken and therefore sample was taken from a sta
gnant pool of water in the bed of the river. The supply is intermittent. There has been about 1.07 inches of rain since last analysis.
Bacteriological Analyses.
SAMPLE I.—FROM THE RIVER-BED OF THE NORTHERN PENNAR
—UNFILTERED WATER.
C o l o n y n u m b e r .
L a c t o s e . S a c c h a r o s e .
D u l c i t e .
A d o n i t e .
I n u l i n .
V o g e s a n d P r o s k . I n d o l .
M o t i l i t y . G r o u p .
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37° C.—446.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. of water taken ...
...
1
. . .
1 + +
- - - +
-
-
IV B. 112
G r o u p I ,n
i l.
2 tubes of 10 cc.
„
..
...
2
. . .
3 „ 5 cc. „
3
. . .
2 + +
- - - +
- - IV
Do.
„ I I ,n
i l.
3 „ 1 cc.
„
..
...
1
2
3
+ + - - -
+
-
- IV
Do.
„ III, n i l.
3 „ .1 cc. „ ...
. . .
3
4
+ + - - -
+
- - IV
Do.
„ I V , 1 0 .
3 „ .01 cc.
„
. . .
. . .
3
5
+ + - - -
+
- - IV
Do.
6
+ + - - -
+
- - IV
Do.
Fœcal bacilli in 5 cc. and upwards.
7
+ + - -
- +
- - IV
Do.
...
Class I,n i l
.
8 + +
- - - +
- - IV
Do.
...
...
„ II nil.
9
+ + - - -
+
- - IV
Do.
...
...
„ I I In
i l.
No vibrios in 100 cc.
10 + +
- - - +
- - IV
Do.
... Undetermined, 10.
SAMPLE II. —TAP IN HEAD-WATER WORKS—FILTERED WATER.
1 + +
- +
- +
- + IV B. 102
...
. . . Group I, n i l.
2
+ + - + - +
- + IV
Do.
...
...
„ II, n i l.
Total colonies per cc. on agar at 37° C.—18.
3 + +
- +
- +
- + IV
Do.
...
...
„ I I I ,n
i l.
4 + +
- +
- +
- + IV
Do.
„ 1 V , 1 0 .
Bile salt lactose, medium
+
-
5 + +
- +
- +
- + IV
Do.
6 + +
- +
- +
- + IV
Do.
7
+ + - + - +
- + IV
Do.
1 tube of 20 cc. of water taken
. . .
1
8 + +
- +
- +
- + IV
Do.
...
Class I, nil.
9 + +
- +
- +
- + IV
Do.
...
...
„ II,10.
2 tubes of 10 cc. „ ... ...
. . .
2
10 + +
- +
- +
- + IV
Do.
...
...
„ III, nil.
3 „ 5 cc. „...
...
1
2
3 „ 1 cc. „...
...
. . .
3
3 „ .1 cc. „.
...
. . .
3
3 „ .01 cc. „...
...
. . .
3
Fœcal bacilli present in 60 cc.
No vibrios in 100 cc.
SAMPLE III.—A TAP IN EASTERN CORNER—FOUNTAIN No. 3,
NAVVAPET.
1
+ + + +
- +
-
- III B. 67
...
... Group I , n i l.
Total colonies per cc. on agar at 37° C.—Cannot be counted.
2 + + + +
- +
- - III
Do.
...
„ I I ,n
i l.
3 + + + +
- +
- - III
Do.
„ I I I , 1 0 .
Bile salt lactose, medium.
+
-
4 + + + +
- +
- - III
Do.
„ I V ,n
i l .
5
+ + + +
- +
- - III
Do.
6 + + + +
- +
- -
I I I Do.
1 tube of 20 cc. of water taken ...
...
1
...
7
+ + + + - +
- - III
Do.
8 + + + +
- +
- - III
Do.
Class I, nil.
2 tubes of 10 cc.
. . .
2
9 + + + +
- +
- - III
Do.
„ II,10.
3 „ 5 cc.
„ .
... ...
. . .
3
10
+ + + + - +
- - III
Do.
„ I I I ,n
i l .
3 „ 1 cc.
...
...
. . .
3
3 „ .1 cc.
. . .
3
3 „ .01 cc.
...
3
Fœcal bacilli in 20 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—A TAP IN SOUTHERN CORNER IN
FRONT OF
DISTRICT COURT—FOUNTAIN No. 52.
1 + + + +
- +
- - III B. 67
. . .
Group I, nil.
2
+ + + + - +
- - III
Do.
„ I I ,n
i l.
Total colonies per cc. on agar at 37° C.—3.
3 + + + +
- +
- - III
Do.
„ III, 10.
4
+
+
+
+
- + - - III
Do.
„ I V ,n
i l.
Bile salt lactose, medium.
+
-
5
+ + + + - +
- - III
Do.
6 + + + +
- +
- -
I I I Do.
7 + + + +
- +
- - III
Do.
1 tube of 20 cc. of water taken ...
...
1
. . .
8 + + + +
- +
- - III
Do.
...
Class I, nil .
9 + + + +
- +
- - III
Do.
„ I I , 1 0 .
2 tubes of 10 cc.
„ ... ...
. . .
2
10 + + + +
- +
- - III Do.
„ III, n i l.
3 „ 5 cc.
„
...
...
. . .
3
3 „ 1 cc.
„
.. •
. . .
3
3 „ .1 cc.
„
...
...
. . .
3
3 „ .01 cc.
„ ...
...
. . .
3
Fœcal bacilli in 20 cc. and upwards.
No vibrios in 100 cc.