133
VELLORE.
WATER SAMPLES TAKEN—6TH OCTOBER 1912.
Remarks. —The supply is intermittent. The level of water in tank was about 14.84 feet of
water. There has been about 9.49 inches of rain since last analysis.
Bacteriological Analyses.
SAMPLE I.—UNFILTERED WATER FROM A TAP BEFORE IT
IS LET INTO FILTER BEDS.
N u m b e r . La c t o s e .
S a c c h a r o s e .
Du l c i t e .
A d o n i t e .
I nul i n.
V o g e s a n d P r o s k .
I ndol .
Mo t i l i t y . Gr o u p .
Name of Bacilli.
Group and
Remarks
Total colonies per cc. on agar at 37° C.—1,470
Bile salt lactose, medium.
+
-
1 tube of 20 cc. ...
......
1
...
1 +
- - - - - + - I B. Vesiculosus
... Group
I, 7.
2 + - - - - - + - I
Do. ...
"
II, nil
.
2 tubes of 10 cc. ... ... ...
2
...
3 + - - - - - + - I
Do.
...
"
III, nil.
3"
5 cc. ...
...
...
3
...
4 + - - - - - - - I B. Mutabilis
...
"
IV, 3.
3
"
1 cc. ... ... ... ...
3
...
5 + + - + - - - - IV B. Gasoformans.
3
"
.1 cc. ... .,. ... ...
3
...
6 + + - + - - - - IV
Do.
3
"
.01 cc. ...
...
...
... ...
3
7 + - - - - - + - I B. Vesiculosus.
Fœcal bacilli in .1 cc. and upwards.
No vibrios in 100 cc.
8 + + - - - - - - IV B. 111
...
... Class
I, nil.
9 + - - - - - - -
I B. Mutabilis
" II, 2.
10 +
- -
- - - + - I B. Vesiculosus
" III, 7.
Undetermined, 1.
SAMPLE II.—FIRST TAP AFTER FILTER BEDS.
1
+
-
- - - -
+ - I B. Vesiculosus
... Group
I, 9.
Total colonies per cc. on agar at 37° C.—1,250.
2 + - - - - - + - I
Do.
" II, nil.
3 +
-
- - - - + - I
Do,
... ",III, nil.
4 + - - - - - + -
I
Do.
" IV, 1.
Bile salt lactose, medium.
+
-
5 + - - - - - + - I
Do.
6 + - - - - - + - I
Do.
7 + - - - - - + -
I
Do.
1 tube of 20 cc. ...
...
..
...
1
...
8 + - - - - - + - I
Do.
... Class
I, nil.
2 tubes of 10 cc. ...
...
...
...
2
...
9 + + - - - - + - IV B. Coscoroba
" II,1.
10
+
-
- - - -
+ - I B. Vesiculosus
" III, 9.
3
"
5 cc. ...
...
...
...
3
...
3
" 1 cc.
..
...
...
...
3
...
3
"
.1 cc. ...
...
...
...
1
2
3
"
.01 cc. ... ... ... ...
...
3
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—T AP AT THE END OF MAIN BAZAAR ROAD
IN SAIDAPET.
1
+
- - - - - + -
I B. Vesiculosus
... Group I, 2.
2 + + - - - - + - IV B. Coscoroba
" II, nil.
Total colonies per cc. on agar at 37° C.—1,900.
3 + - - + - - + - I B. Acidi lactici
...
" III, 1.
4 + + - - - - + - IV B. Coscoroba
... "
IV, 7.
Bile salt lactose, medium.
+
-
5 + + + - - - + - III B. Neapolitanus,
6 + + - - - - + - IV B. Coscoroba.
7 + + - - - - + - IV
Do.
1 tube of 20 cc. ...
...
...
1
...
8 + + - - - - + - IV
Do.
... Class I, nil.
9 + + - - - - + - IV
Do.
" II, 9.
2 tubes of 10 cc. ...
...
..
...
2
...
10 + + - - - - + - 1V
Do
" III, 1.
3 "
5 cc. ...
...
...
...
3
...
3
" 1 cc. ...
...
...
...
3
...
3
".1 cc. ...
...
...
...
2
1
3
"
.01 cc. ... ... ... ...
...
3
Fœcal bacilli in .1 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—TAP NEAR CANTONMENT RAILWAY STATION
COMPOUND.
1
+
- - + - - + -
I B. Acidi lactici
... Group I, 8.
2 + - - + - - + - I
Do.
" II, nil.
Total colonies per cc. on agar at 37° C. —2,300.
3 + - - - - - + - I B. Vesiculosus
... "
III, nil.
4 + - - + - - + - I B. Acidi lactici
" IV, 2.
Bile salt lactose, medium.
+
-
5 + - - + - - + - I
Do.
6 + - -+ - - + - I
Do.
7 + - -+ -- + - I
Do.
1 tube of 20 cc. ...
...
...
...
1
...
8 + + - - - - + - IV B. Coscoraba
... Class I, nil.
9 + + - - - - +-- IV
Do.
" II, 9.
2 tubes of 10 cc. ...
...
...
...
2
...
10 + - - + - - + - I B. Acidi lactici
" III, 1.
3
"
5 cc. ...
...
...
...
3
...
3
"
1 cc. ...
...
...
...
3
3
"
.1 cc. ...
...
...
...
2
1
3
„ .01 cc. ... ... ... ...
...
3
Fœcal bacilli in .1 cc. and upwards.
No vibrios in 100 cc.