162
NELLORE.
WATER SAMPLES TAKEN—4TH DECEMBER 1912.
Remarks .—There was a small flow of water in the Northern Pennar when samples were taken.
The supply is intermittent. There has been about 33.93 inches of rain since
last analysis.
Bacteriological Analyses.
SAMPLE I.—FROM THE RIVER BED OF NORTHERN PENNAR.
N u m b e r .
La c t oa e .
S a c c h a r o s e . D u l o i t e .
A d o n i t e .
I n u l i n .
V o g a a n d P r o s k .
Indol . Mo d a l i t y .
Group
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37° C.—1,570.
Bile salt lactose, medium.
+
-
1 tube of 20 cc.
...
...
...
...
1
. . .
1 + -
- - - - + - I B. Vesiculosus
Group I, 10..
2 tubes of 10 cc.
...
...
...
...
2
. . .
2
+ -
- - - - + - I
Do.
„ I I ,
n i l
.
3 „
5 cc.
...
...
...
...
3
. . .
3
+ -
- - - - + - I
Do.
„ I I I ,
n i l
.
3
„
1 cc.
...
...
...
...
3
. . .
4
+ -
- - - - + - I
Do.
„ I V ,
n i l
.
3
„ .1 cc. ... ... ... ...
3
. . .
5
+ -
- - - - + - I
Do.
3
„ .01 cc. ... ... ... ...
1
2
6 + -
- - - - + - I
Do.
Fœcal bacilli in .1 cc. and upwards.
7
+ -
- - - - + - I
Do.
Class
I,
n i l
. n i l ,
8 + -
- - - - + - I
Do.
„ I I
n i l
.
No vibrios in 100 cc.
9 + -
- - - - + - I
Do.
„ III, 10.
10 + -
- - - - + - I
Do.
SAMPLE II—TAP IN FRONT OF PUMPING STATION.
1
+ + - + - + - - IV B. Lactic ærogenes. Group I, nil.
Total colonies per cc. on agar at 37° C.—3,100
2 + + - + - + - - III B. 67.
„ I I ,
n i l
. .
3 + + - + - + - - IV B. Lactis ærogenes.
„ III, 1.
Bile salt lactose, medium.
+
-
4 + + - + - + - - IV
Do.
„ I V , 9 .
5 + + - + -
- - IV
Do,
6 + + - + - + - - IV
Do.
1 tube of 20 cc.
...
1
. . .
7 + + - + - + - - IV
Do.
2 tubes of 10 cc.
...
. . .
2
. . .
8 + + - + - + - - IV
Do.
Class I, nil.
3 „ 5 cc.
3
. . .
9 + + - + - + - - IV
Do.
„ I I , 1 0 .
3 „ 1 cc.
3
. . .
1 0 + + - + - + - - IV
Do.
„
III, nil.
3 „ .1 cc.
1
2
3 „ .01 cc.
. . .
3
Faecal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP IN NAVVAPET NEAR OLD POLICE STATION.
Total colonies per cc. on agar at 37° C.—800.
Bile salt lactose, medium.
+
-
1 + + - - - + - + IV B. Cloacæ
Group I, nil.
2 + + - + - + - + IV B. 102.
„ I I ,
n i l .
3 + + - - - + - + IV B. Cloacæ.
„ III, nil.
1 tube of 20 cc.
...
. . .
. . .
1
. . .
4 + + - - - + - + IV
Do.
„ IV, 10.
5 + + - - - + - + IV
Do.
2 tubes of 10 cc.
...
. . .
. . .
2
. . .
6 + + - - - + - + IV
Do.
3
„
5 cc.
...
. . .
. . .
3
. . .
7 + + - - - + - + IV
Do.
Class
I, nil.
3
„
1 c c .
. . .
. . .
. . .
3
. . .
8 + + - - - + - + IV
Do.
„ I I , 1 .
3
„
. 1 c c .
. . .
. . .
. . .
. . .
3
9 + + - - - + - + IV
Do.
„ I I I , 9 .
3
„
. 0 1 c c . . . . . . . . . .
. . .
3
1 0 + + - - - + - + IV
Do.
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—TAP IN FRONT OF DISTRICT COURT.
1 + + +
- - + -
-
III B. 75.
...
... Group I, 2.
Total colonies per cc. on agar at 37°C.—700.
2 + + - - - + -
- IV B. 112.
„ I I ,
n i l .
3 + + - - - + -
- IV Do.
„ „ I I I , 2.
Bile salt lactose, medium.
+
-
4 + + - - - + -
- IV Do.
„ I V , 6 .
5 + + - - - - + -
- IV Do.
6 + + - - - + - - IV Do.
1 tube of 20 cc.
...
...
...
. . .
1
. . .
7 + - - - - - + - I B. Vesiculosus.
2 tubes of 10 cc.
...
...
...
2
. . .
8 + - - - - - + - I
Do.
... Class
I, nil .
3 „
5 cc.
...
...
...
...
3
. . .
9 + + + - - + -
- III B. 75
...
...
„ II, nil.
3 „
1 cc.
...
...
...
...
3
. . .
1 0 + + - - - + + + IV B. 113
...
...
„ III, 4.
3 „ .1c c .
. . .
. . .
. . .
. . .
1
2
Undetermined,
3 „ .01c c .
. . .
. . .
. . .
. . .
. . .
3
6 .
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.
.