106
OOTACAMUND.
WATER SAMPLES TAKEN—31sT DECEMBER 1911, 1ST & 2ND JANUARY 1912.
REMARKS. —Al l t he r eser voi r s wer e f ul l and over f l owi ng when sampl es wer e t aken. The suppl y i s const ant . Ther e has been about
15 inches of rain since last analysis.
Bacteriological Analysis.
SAMPLE I.—TAP IN FRONT OF DODABETTA UPPER RESERVOIR.
N u m b e r .
L a c t o s e . Sa c c h a r o s e .
Du l c i t e .
A d o n i t e .
I n u l i n .
V o g e s a n d P r o a k .
Indol.
Mot i l i t y.
G r o u p .
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37° C.—51.
Bile salt lactose, medium.
+
-
B. Coscoroba.
1 tube of 20 cc. . . .
. . .
1
1 + + - - - - + - IV
-
- IV
Do. . . .
Group I, nil.
- -
+
. . .
2
2 + + -
2 tubes of 10 co. . . .
3 + + - - - - + - IV
Do. . . .
"
II, nil.
2
1
3 "
5 cc. . . .
" III, nil.
Do. . . .
2
1.
4 + + - - - - + - IV
3 1 cc. . . .
+ + - - - - + - IV
Do. . . .
" IV, 10.
5
" 1
c c .
. . .
. . .
3
6 + + - - - - + - IV
Do,
3
" 3
"
. 0 1
c c . . . .
. . .
7 + + - - - - + - IV
Do.
Fœal bacilli in 20 cc. and upwards.
8 + + - - - - + - IV
Do. . . .
Class I, nil.
9 + + - - - - + - IV
Do. . . .
"
II, 10.
- IV
Do. . . .
" III, nil.
No vibrios in 100 cc.
10 + + - - - - +
1
+
+ - - - - + - IV B. Coscoroba.
SAMPLE II.—TAP IN FRONT OF DODABETTA LOWER RESERVOIR.
- IV
Do. . . .
Group I, nil.
+
Total colonies per cc. on agar at 37° C.—58.
2 + + - - - -
3 + + - - - - + - IV
D o . . . .
" II, nil.
Bile salt lactose, medium.
4 + + - - - - + - IV
Do. . . .
" III, nil.
+
-
5 + + - - - - + - IV
D o . . . .
" IV 10
6 + + - - - - + - IV
Do.
7 + + - - - - + - IV
Do.
1 tube of 20 cc. . . .
. . .
1
8 + + - - - - + - Iv
Do. . . .
Class I, nil.
2 tubes of 10 cc. . . .
. . .
2 9 + + - - - + - IV
Do.
"
II, 10.
3
" 5 cc.
. . .
2
1
1
10 + + - - - - + - IV
Do. . . .
"
III, nil.
3 " 1 cc. . . .
. . .
3
3
"
.1 cc. . . .
. . .
3
3
"
.01 cc. . . .
. . . 3
Fœcal bacilli in 30 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—DODABETTA PIPE LINE.
1 + - - - - - +
-
I B. Vesiculosus.
Total colonies per cc. on agar at 37° C.—58.
2 + + - - - - + - IV B. Coscoroba . . . Group I, 6.
3 + + - - - - + - IV
Do. . . . "
II, nil.
Bile salt lactose, medium.
4 + + - - - - + - IV
D o . . . .
" I I I ,
n i l .
.
+
-
5 + + - - - - + - IV
Do. . . . "
IV, 4.
6 + - - - - - + -
I B. Vesiculosus.
7 + - - - - - + -
I
D o . . . .
Class I, nil.
I
Do. . . .
+ -
1 tube of 20 cc. . . .
. . .
1
8 + - - - - -
Do. . . . "
II, 4.
+ - - - - - + -
I
9
1.
2 tubes of 10ccc. . . .
1
D o . . . .
" I I I ,
6 .
10 + - - - - - + -
2
1
3 "
5 cc. . . .
3 " 1 cc. . . .
. . .
3
3 " .1cc. . . .
. . .
3
3 " .01 cc. . . .
. . .
3
Fœcal bacilli in 30 cc. and upwards.
No vibrios in 100 cc.
1 +
+ - - -
- + - IV B. Coscoroba.
SAMPLE IV.—TAP IN FRONT OF TIGER HILL RESERVOIR.
Total colonies per cc. on agar at 37° C.—57.
2 + + - - -
- + - IV
Do. . . .
Group I, 3.
3 + + - - -
- + - IV
Do. . . .
"
II, nil.
4 + + - - -
- + - IV
Do. . . .
" III, nil.
Bile salt lactose, medium.
5 + + - - -
- + - IV
D o . . . .
" IV, 7.
6 + - - - -
- + - I B. Vesiculosus.
1
t u b e o f 2 0 c c . . . .
. . .
1
7 + - - - - - + -
I
Do.
2 t u b e s o f 1 0 c c . . . .
1
1
8 + - - - - - + -
I
Do. . . .
Class
T.,
n i l
.
3 " 5 cc. . . .
. . .
3
9 + + - - - - + - IV B. Coscoroba . . .
"
II, 7.
3 " 1 c c . . . .
. . .
3 10 + + - - - - + - IV
Do. . . .
"
III, 3.
3 " .1 cc. . . .
. . .
3
3 " .01 cc. . . . .
. . . 3
Fœcal bacilli present in 60 cc.
No vibrios in 100 cc.