134
MADRAS.
SAMPLES TAKEN—9TH &amp; 10TH AUGUST 1909.
REMARKS.—There has been 7.13 inches of rain since last report. Boosikal and Maclean's Channels were dry when samples were taken,
Bacteriological Analyses.
SAMPLE I.—SUPPLY CHANNEL TO SHOLAVARAM LAKE.
C o l o n y n u m b 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 .
I n u l i n .
V o g e s a n d P r o s k .
I n d o l .
M o t i l i t y . G r o u p .
Bacillus.
Group and
remarks.°(
a) Total colonies per c.c. on agar at 37°—One colony occupy-
ing whole plate.
(b) Bile salt lactose, medium.
+
-
1 tube 20 cc. of water taken ..
..
1
. .
1 + - - + - - + - I B. Acidi lactici ..
G r o u p
I I , ,
3 .
2 tubes 10 cc.
"
.. ..
2
. . 2 + - - + - - + - I
Do . ..
" II, 1.
3
3 " 5 cc.
" .. ..
. .
3 + + - - - - + + IV
...
" III, nil.
3
3 " 1 cc.
"
..
..
. . 4 + + - + - - + - IV 101
.. ..
" IV, 6.
3 "
. 1 c c .
"
. .
. .
2
1 5 + + - - - - + - IV B. Coscoroba ..
3 "
. 0 1 c c .
" .. ..
2
1
6 + + - - - - + - IV
Do.
..
(c) Fœcal bacilli in .01 cc. and upwards
7 + - - + - - + - I B. Acidi lactici .. Class I, 1.
8 + - + - - - + - II B. Schæfferi ..
" II, 8.
(d) No vibrios in 100 cc.
9 + + - - - - + - IV B. Coscoroba
..
" III, nil.
(e) Glucose fermenters in .01 cc. and upwards.
10 +++ - - - - - + IV 109
..
.. Doubtful, 1.
SAMPLE II.—SUPPLY CHANNEL FROM SHOLAVARAM LAKE TO THE
RED HILLS (SHOLAVARAM CHANNEL).
1 + + - - - - - - IV 111 ..
..
.. Group I, 1.
(a) Total colonies per cc. on agar at 37°—One colony occupy-
ing whole plate
2 + + + - - + - - III 75 ..
..
..
II, 1 .
"
3 + - - - - - - - I B. Mutabilis
. .
III, 3.
"
4 + + - + - - - - IV B. Gasoformans ..
IV, 5,
"
(b) Bile salt lactose, medium.
+
—
5 ++ +
IV 111 .
. .
. -
6 + - + - - - + - II B. Schaefferi
. .
7 + + - + - - - - IV B. Gasoformans .. Class I 1.
1 tube 20 cc. of water taken
. .
. .
1
..
8 + + - + - - - - IV
Do.
. .
" II 7 .
9 + + + - - - - - III
....
" III, 1.
2 tubes 10 cc.
"
. .
. .
2
. . 10 + + + + - - + - III 66 ..
..
.. Doubtful, 1.
3 " 5 cc.
"
. .
. .
3
. .
3 " 1 cc.
"
. .
. .
3 " .1 cc.
"
. .
. .
1
2
3 "
. 0 1 c c .
" .. ..
. .
3
( c) Fœcal bacilli in 1 cc. and upwards,
1
(d) No vibrios in 1 0 cc.
(e) Glucose fermenters in .01 cc. and upwards.
SAMPLE III.—RED HILLS.
(a) Total colonies per cc. on agar at 37°—One colony occupy-
ing whole plate.
1 + + + - - - + + III 71 ..
..
.. Group I, 1.
2 + + - - - + - - IV
....
" II, nil.
3 + - - - - - - + I 7 ..
..
..
" III, 4
(b) Bile salt lactose, medium.
+
- 4 + ++
- - - - + III 74 ..
..
..
" IV, 5.
5 + + + - - -
+ - III. B. Neapolitanus ..
1 tube 20 cc. of water taken ..
. .
6 + + + - - - + - III
Do.
..
1
..
7 + + — — — -
- — IV 111 ..
. .
. .
Class I, nil.
8 + + - - - + - - IV
. . . .
" II, 4.
2 tubes 10 cc.
"
.. ..
2
. .
9 + + - - - + - - IV
....
" III, 1.
3
"
5 c c .
"
.. .. 3
. . 10 + + - - - + - - IV
. . . .
Doubtful, 5.
3 " 1 cc.
"
. .
. .
3
. .
"
. 1 c c .
" .. ..
3
1
2
3 "
. 0 1 c c .
"
. .
. .
. .
3
(c) Fœcal bacilli in 1 cc. and upwards.
(d) No vibrios in 100 cc.
(e) Glucose fermenters in .1 cc. and upwards.
SAMPLE IV.—TAP WATER IN MALAYAPERUMAUL STREET, GEORGE-
TOWN.
1
+
+
- -
- - -
IV 111 ..
..
.. Group I, nil.
(a) Total colonies per cc. on agar at 37°—1,280.
2 + + - - - -
- IV 111
. .
. .
. .
" II, nil.
3 + + + - - - + - III B. Neapolitanus . .
" III, 3.
4 +++ + - - - + - III
Do.
. .
" IV, 7.
(b) Bile salt lactose, medium.
+
-
5 + + - - - - - + IV 109
. .
. .
. .
6 + + - - - - - - IV 111
. .
. .
. .
7 + + - - - - - - IV 111 ..
.. . . Class I , nil.
1 tube 20 cc. of water taken
. .
. .
1
. .
8 + + + - - - - - III
. . . .
" II, 3.
9 + + - - - - - - IV 111
. .
. .
. .
" III, nil.
2 tubes 10 cc.
" .. ..
2
. . 10 + +
- - - - - - IV 111 ..
..
.. Doubtful, 7.
3 " 5 cc.
"
. .
. .
3
..
3 " 1 cc.
"
. .
. .
1
2
3 " .1 cc.
"
. .
. .
3
. .
3 " .01 cc.
" .. ..
3
. .
(c) Fœcal bacilli in 5 cc. and upwards.
(d) No vibrios in 100 cc.
(e) Glucose fermenters in .01 cc.