217
VELLORE .
WATER SAMPLES TAKEN—22ND DECEMBER 1910.
REMARKS.—The level of water in tank is about 27 feet. There has been about 22 inches of rain since last analysis.
The supply is constant.
Bacteriological Analyses.
SAMPLE I.—SAMPLE OF UNFILTERED WATER. BROM A TAP BEFORE
IT IS LET INTO FILTER BEDS.
Total colonies per co. on agar at 37° C—Countless.
C o l o n y N u m b e r .
L a c t o n e
S h c c h a r o s e .
D u l o i t e .
A d o n i l e
D o u l i n e
V o g e s a n d P r o s k .
Indole.
M o t i l i t y .
G r o u p .
Name of Bacilli.
Group and
Remarks.
Bile salt lactose, medium.
+
-
1 tube of 20 cc.
..
..
..
..
1
..
1 + +
+ - - + - - III B. 75 ..
.
.. Group
I, nil,
2 tubes of 10 cc.
..
..
..
.
2
..
2 + + + - - + - - III Do...
..
..
„
II, nil.
3 + + + - - + - - III
Do. ..
..
..
,, III, 10
3 17
5 cc.
..
..
..
..
3
..
4
+ + + - - + - - III Do. ..
..
..
„
IV , nil.
3 ,,
3
5
+ + + - - + - - III Do.
3 „
.1 cc.
..
..
..
..
. .
3
6 + + + - - + - - III Do.
3
„
.01 oc.
..
..
..
..
3
7 + + + - - + - - III Do.
F œc a l b a c i l l i i n 5 c c . a n d u p wa r d s .
No vibrios in 100 CC .
8 + + +
- - + - - III Do. ..
..
.. Class I, nil.
9 + + + - - + - - III Do. ..
..
..
„ II, nil.
10 + + + - - + - - III Do. ..
..
..
„ III ,10.
SAMPLE II.—FIRST TAP AFTER FILTRATION
Total colonies per cc. on agar at 37° C—820.
1 + + - + - + - -
V B. Lactic ærogenes.
Group
I, nil.
2 + + - + - + - - I
II, nil.
3 + + - + - + - - IV
Do.
„ III, nil .
4 + + - + - + - - IV
Do.
77
IV, 10 .
Bile salt lactose, medium,
+
—
5 + + - + - + - - IV
Do.
6 + + - + - + - - IV
Do.
7 + + - + - + - - IV
Do.
.
1 tube of 20 cc.
..
..
..
..
1
8 + + -
+
- + - - IV
Do.
Class
I, nil.
9 + + - + _ + - - IV
Do.
„
II, 10.
2 tubes of 10 cc.
..
..
..
..
2
..
10 + + - + - + - - IV
Do.
17
III, nil.
.
3
,,
5 cc.
..
..
..
..
3
1 cc.
..
..
. .
. .
. .
3
3
.1 cc.
....
..
..
..
3
3 „
.01 co.
.
..
..
..
Fœcal bacilli present in 5 cc. and upwards.
. .
No vibrios in 100 cc.
SAMPLE III.—TAP IN SYDAPET.
Total colonies per cc. on agar at 37° C—119.
1 + + - - - + - -
IV B. 112
..
.. Group I, nil.
2 + + - - - + - - IV
Do.
II, nil
3 + +
- - - + - - IV
Do. ..
71
III
, nil.
4 + + - - - + - - IV
Do.
71
IV, 10.
Bile salt lactose, medium.
+
—
5 ++ - - - + - - IV
Do.
6 + + - - - + - -
IV
Do.
7
+ +
- - - + - -
IV
Do.
1 tube of 20 cc.
8 + + - - - +
- - IV
Do. ..
.. Class I, nil.
9
+
+
- - -
+
- -
IV
Do.
II, nil.
2 tubes of 10 cc
2
10
+
+ - - - + - - IV
Do.
1II ni/
Undetermined, 1.
3
5 cc.
2
3 ,,
1 cc...
. .
2
3
7,
.1 cc.
..
. .
1
2
3 „
.01 cc.
..
..
..
..
3
Fœcal bacilli in 20 cc. and upwards.
No vibrios in 100 cc.
.
SAMPLE IV .—TAP NEAR CANTONMENT RAILWAY STATION COM-
POUND.
1 +
+ - - - + - - IV B. 112
..
.. Group I, nil
2 + + - - - + - - IV
Do.
..
..
II, nil.
„
3 + + - - - + - -
IV
Do.
"
. .
III, nil.
11
Total colonies per cc. on agar at 37° C—188.
Bile salt lactose, medium.
+
—
4 + + - - - + - -
[V
Do.
IV, 10.
5 + +
- - - + - -
IV
Do.
6 + ++- - - + - -
IV
Do.
1 tube of 20 cc.
..
..
..
..
1
..
7 + +
- - - +
- - IV I Do.
8 + + - - - + - - IV
Do.
..
.. Class
I, nil.
2 tubes of 10 co.
..
..
..
..
1
1
9 + + - - - + - - IV
Do.
..
II, nil.
3,,
..
3
10
+
+
- -
-
+
-
- IV
Do.
..
..
„ III , nil.
Undetermined 10.
„
1 cc.
. . .
. .
. .
1
2
3
„
3
3
,,
01 cc.
..
..
..
..
..
3
Fœcal bacilli in 10 cc. and upwards.
No vibrius in 100 cc.
55