176
VELLORE.
WATER SAMPLES TAKEN—7TH JANUARY 1913.
Remarks .—The supply is intermittent. The level of water in tank was about 27.04 feet of
water. There has been about 20.86 inches of rain since last analysis.
Bacteriological Analyses.
SAMPLE I.—UNFILTERED WATER BEFORE IT IS LET INTO FILTER
BEDS.
Numbe r . La c t o s e . Sa c c h a r o s e .
Du l c i t e .
Adoni t e .
I nul i n.
V o g e s a n d P r o s k .
I ndol .
Mot i l i t y.
Group.
Name of Bacilli.
Grou and
Remarks.
Total colonies per cc. on agar at 37° C.—43.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. ...
...
...
...
. . .
1
1 + + - - - - + - IV B. Vesiculosus
... Group I, nil.
2 tubes of 10 cc. ...
...
...
...
. . .
2
2 + + - - - - + - IV
Do.
...
„
II, nil.
3
„
5 cc.
...
...
...
...
2
1
3 + + - - - - + - IV
Do.
...
„ III, nil.
3
„
1 cc. ... ... ... ...
. . .
3
4 + + - - - - + - IV
Do.
„ IV, 10.
3
„
. 1 c c .
. . .
. . .
. . .
...
. . .
3
5 + + - - - - + - IV
Do.
3
„
. 0 1 c c .
. . .
. . .
. . .
...
. . .
3
6 + + - - - - + - IV
Do.
Fœcal bacilli in 30cc. and upwards.
7 + + - - - - + - IV
Do.
8 + + - - - - + - IV
Do.
...
Class
I, nil.
9 + + - - - - + - IV
Do.
...
„ I I , 1 0 .
No vibrios in 100 cc.
1 0 + + - - - - + - IV
Do.
...
„ I I I ,
n i l .
SAMPLE II.—FIRST TAP AFTER FILTER BEDS.
1 + - - - - -
+ - I B. Vesiculosus
... Group I, 10.
Total colonies per co. on agar at 37° C.—60.
2 + -
- - - - + - I
Do.
...
„
II, nil.
3 + -
- - - - + - I
Do.
...
„ I I I ,
n i l .
4 + -
- - - - + - I
Do.
...
„
IV, nil.
5 + -
- - - - + - I
Do.
...
Bile salt lactose, medium.
+
-
6 + -
- - - - + - I
Do.
...
7 + -
- - - - + - I
Do.
...
8 + -
- - - - + - I
Do.
...
Class I, nil.
1 tube of 20 cc.
...
...
...
...
1
. . .
9 + -
- - - - + - I
Do.
...
„ I I ,
n i l .
2 tubes of 10 cc.
...
...
...
...
2
. . .
1 0 + - - - - - + - I
Do.
...
„ I I I , 1 0 .
3 „ 5 cc.
...
...
...
...
2
1
3 „ 1 cc.
...
...
...
...
. . .
3
„ .1cc.
...
...
...
...
. . .
3
3 „ .01
...
...
...
...
cc.
. . .
3
Fœcal bacilli in 5 cc. and. upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP AT THE END OF MAIN BAZAAR ROAD, IN
SAIDAPET.
1 + - - - - +
- I B. Vesiculosus
... Group I, 10.
2 + - - - - +
- I
Do.
...
„
II, nil.
Total colonies per cc. on agar at 37° C.—90.
3 + - - - - +
- I
Do.
...
„ I I I ,
n i l .
4 + - - - - +
- I
Do.
...
„ IV, nil.
Bile salt lactose, .medium.
+
-
5 + - - - - +
- I
Do.
...
6 + - - - - +
- I B. Grunthal.
7 + - - - - +
- I B. Vesiculosus.
1 tube of 20 cc.
...
...
...
...
1
. . .
8 + - - - - +
- I
Do.
... Class
I, nil.
2 tubes of 10 cc. ... ... ... ...
2
...
9 + - - - - +
- I
Do.
...
„ I I ,
n i l .
3
„
5 cc. ...
...
. . .
2
1
1 0 + - - - - +
-
I
Do.
...
„ I I I 1 0 .
3
„
1 c c .
. . .
. . .
.
. .
. . .
3
3
„
. 1 c c .
. . .
. . .
.
. .
. . .
3
3
„
. 0 1 c c .
. . .
. . .
. . .
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—TAP NEAR POLICE RECRUITS LINE NEAR CANTON
¬MENT RAILWAY STATION.
1 +
+ - + - - - IV B. Gasoformans ... Group I, nil.
Total colonies per cc. on agar at 37° C.—310.
2 +
+ - + - - - IV
Do.
...
„ II, nil.
3 +
+ - + - - - IV
Do.
...
„ I I I ,
n i l
.
Bile salt lactose, medium.
+
-
4 +
+ - + - - - IV
Do.
...
„ I V , 1 0 .
5 +
+ - + - - - IV
Do.
6 +
+ - + - - - IV
Do.
1 tube of 20 cc. ...
...
...
1
. . .
7 +
+ - + - - - IV
Do.
2 tubes of 10 cc. ...
...
.. .
1
1
8 +
+ - + - - - IV
Do.
...
Class I, nil.
3
„
5 cc. ... . . .
. . .
. . . . . .
3
9 +
+ - + - - - IV
Do.
...
„ II, 10.
3
„
1 cc. ... . . .
. . .
.. .
. . .
3
1 0 +
+ - + - - -
I V
Do.
...
„
III, nil.
3
„
. 1 c c .
. . .
. . .
. . .
. .
.
. . .
3
3
„
. 0 1 c c .
. . .
. . .
. . .
. . .
. . .
3
Fœcal bacilli in 10 cc. and upwards.
No vibrios n 100 cc.