38
VELLORE.
WATER SAMPLES TAKEN—29TH JUNE 1911.
REMARKS.—The tank now contains about 19.10 feet of water. The supply is constant. There has been about 4.66 inches of
rain since last analysis.
Bacteriological Analyses.
SAMPLE I.—SAMPLE of UNFILTERED W
A T E R F R O M A T A P B E F O R E I T I S L E F T I N T O F I L T E R B E D S .
Nu mb 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 .
Inulin.
V o g a a n d P r o s k .
I n d o l .
Mo d a l i t y .
Gr oup.
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37° C.—180.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. of water taken
. . .
. . .
1
. . .
1 + + - + - + - - I V
B. Lactis ærogenes. Group
I
, n i l
.
2 tubes of 10 cc.
. . .
. . .
. . .
2
. . . 2 + + - + - + - -
I V
Do.
. . .
„
II,
n i l
.
3
„
5 cc.
. . .
. . .
. . .
3
. . .
3 + + - + - + - - I V
Do.
. . .
„
III,n i l
.
3
„
.1 cc.
...
. . .
. . .
3
4 + + - + - + - - I V
Do.
. . .
„
I V , 1 0 .
3
„ .
1 c c .
. . .
. . .
. . .
3
5 + + - + - + - - I V
Do.
3
„
. 0 1 c c .
. . .
. . .
. . .
3
6 + + - + - + - - I V
Do.
7 + + - + - + - - I V
Do.
F œ c a l b a c i l l i i n 5 c c . a n d u p w a r d s .
8 + + - + - + - - I V
Do.
. . .
Class I, n i l.
9 + + - + - + - - I V
Do.
. . .
„
I I , 1 0 .
No vibrios in 100 cc.
10 + + - + - + - - I V
Do.
...
„
III, n i l .
SAMPLE II.—FIRST TAP AFTER FILTRATION.
1
+ -
- - - -
+ - I B. Vesiculosus
...
Group I , 1 0 .
Total colonies per cc. on agar at 37° C .—160.
2 + -
- - - - + - I
Do.
. . .
„
II, nil.
3 + -
- - - - + - I
Do.
. . .
„
III,n i l .
4 + -
- - - - + + I B. Grunthal
. . .
„
IV, nil.
Bile salt lactose, medium.
+
-
5 + -
- - - - + - I B. Vesiculosus,
6 + -
- - - - + + I B. Grunthal.
1 tube of 20 cc. of water taken ...
. . .
1
. . .
7 + -
- - - - + + I
Do.
8 + -
- - - - + - I B. Vesiculosus
. . . Class I, nil.
9 + -
- - - - + + I B. Grunthal . . .
„
I I ,
n i l .
2 tubes of 10 cc.
. . .
. . .
. . . 2
. . . 1 0 + -
- - - - + - I B. Vesiculosus
. . .
„
I I I ,
n i l .
3
„
5 cc.
. . .
. . .
3 ...
3
„
1 cc.
. . .
. . .
. . .
1
2
3
„
.1 cc.
. . .
. . .
. . .
. . .
3
3
„
. 0 1 c c .
. . .
. . .
. . .
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP IN SAIDAPET.
1 + - + - - - + - II B. Schæfferi
. . .
Group I, nil.
Total colonies per cc. on agar at 37° C.—210.
2 + - + - - - + - II
Do.
. . .
„
I I , 1 0 .
3 + - + - - - + - II
Do.
. . .
„ III, nil.
Bile salt lactose, medium.
. . .
+
- 4 + - + - - - + + II B. Colicommunis
. . . „ IV, nil.
5 + - + - - - + + II
Do.
6 + - + - - - + + II
Do.
1 tube of 20 cc. of water taken
...
1
. . .
7 + - + - - - + + II
Do.
8 + - + - - - + - II B. Schæfferi
. . . Class I, 10.
9 + - + - - - + - II
Do.
. . .
„
II,n i l .
2 tubes of 10 cc.
... ... ...
2
. . .
1 0 + - + - - - + - II
Do.
. . .
„
I I I ,
n i l
.
3
„
5 cc.
... ... ...
3
. . .
3
„
1 cc.
... ... ...
1
2
3
„
.1 CC.
. . . . . . . . .
1
2
3
„ .01 cc.
... ... ...
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—TAP NEAR CANTONMENT RAILWAY STATION COM
POUND.
1
+
-
- - - - + + I B. Grunthal . . . Group I, 4.
Total colonies per cc. on agar at 37° C.—280.
2 + -
- - - - + + I
Do.
. . . „ II, nil.
3 + -
- - - - + + I
Do.
. .
„
III nil.
Bile salt lactose, medium.
+
-
4 ++ - - - - + + IV B. 106
...
„
IV, 6.
5 ++ - - - - + + IV Do.
6 ++ - - - - + + IV Do.
7 ++ - - - - + + IV Do.
1 tube of 20 cc.
...
...
...
. . . 1
. . .
8 + + - - - - + + IV Do.
. . . Class I, nil.
9 + -
- - - - + + I B. Grunthal
...
„
II, 6.
2 tubes of 10 cc.
...
...
...
. . . 2
. . .
1 0 + + - - - - + + IV B. 106
...
...
„
III, 4.
3 „
5 cc.
...
...
...
. . . 2
1
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.