43 ( a)
MADRAS.
WATER SAMPLES TAKEN—23RD & 24TH JULY 1911.
REMARKS.—Both Sholavaram and Maclean's Channels were dry when samples were taken. The supply is constant. There has
been about 1.47 inches of rain since last analysis.
Bacteriological Analyses.
SAMPLE I.—FROM THE BOTTOM OF THE RED HILLS LAKE.
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 e .
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 .
Gr oup.
Name of Bacilli.
Group and
Remarks.
T o t a l c o l o n i e s P e r c c . o n a g a r a t 3 7° C . — 8 0 0 .
Bile salt lactose, medium.
+
-
1 tube of 20 cc.
...
...
...
...
1
. . .
1 + + - - - - + + IV B. 106.
2 tubes of 10 cc.
...
...
...
. . .
1
1
2 + + - - - - + + IV Do.
...
... Group I, nil.
3 „ 5 cc.
...
...
. . .
3
. . .
3 + + - - - - + + IV Do.
„ I I ,n
i l
.
3 „ 1 c c .
. . .
. . .
. . .
. . .
3
4 + + - - - - + + IV Do.
...
...
„ III, 2.
3 „ .1 cc.
. . .
3
5 + + - - - - + + IV Do.
„ I V , 8 .
3 „ . 0 1 c c
. . . 3
6
+ + + - - -
+ + III B. 71.
7 + + - - - -
+ + IV B. 106.
Fœcal bacilli in 5 cc. and upwards.
8 + + - - - - + + IV Do.
...
... Class I, nil.
9 + + + - - - + + III B. 71
...
...
„ II, 10.
No vibrios in 100 cc.
10 + + - - - - + + IV B. 106
„ I I I ,
n i l
.
SAMPLE II.—FROM THE SURFACE OF THE RED HILLS LAKE.
1 + + - - - - + - IV B. Coscoroba.
2 + + - - - - + -
I V
Do.
... Group I, 2.
Total colonies per cc. on agar at 37° C.—1,080
3 + + - - - - + - IV
Do.
. . .
„ II, nil.
4 + + - - - - + - IV
Do.
...
„ III, nil.
5 + + - - - - + - IV
Do.
. . .
„ IV, 8.
Bile salt lactose, medium.
+
-
6 + + - - - - + - IV
Do.
7 + - - - - - + - I B. Vesiculosus.
1 tube of 20 cc.
...
...
...
. . .
1
. . . 8 + + - - - - + - IV B. Coscoroba
... Class I, nil.
9 + - - - - - + - I B. Vesiculosus
. . . „ II, 8.
2 tubes of 10 cc.
...
...
...
. . .
2
. . .
10 + + -
- - - + - IV B. Coscoroba
„ I I I , 2 .
3 „ 5 cc. ...
...
...
...
2
1
3 „ 1 cc.
...
...
...
. . .
. . .
3
3 „ .1 cc. ...
...
...
. . .
. . .
3
3 „ .01 cc. ...
...
...
. . .
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
S A M P L E I I I . — T A P W A T E R I N M A L A Y A P E R U M A L S T R E E T
, GEORGETOWN.
1
+ -
- - -
- + + I B. Grunthal.
2 + - + - - - + + II B. Coli communis ... Group I, 3.
3 + -
- - -
- + + I B. Grunthal ...
„ II, 6.
Total colonies per cc. on agar at 37° C.—1,920.
4 + - + - - - + +
I I B. Coli communis ...
„ III, nil.
5
+ -
+ - -
- +
+
I I
Do.
...
„ IV, 1.
Bile salt lactose, medium
+
-
6 + - + - - - + + II
Do.
7 + + - + -
- - + IV
8 + - + - - - + + II B. Coli communis ... Class I, 6.
1 tube of 20 cc. ...
...
...
. . .
1
. . .
9
+ -
- - -
- + + I B. Grunthal
„ I I ,
n i l
.
10 + - + - - - + + I I B. Coli communis ...
„ III, 3.
Undetermined. 1,
2 tubes of 10 cc. ...
...
...
. . .
2
...
3 „ 5 cc. ...
...
...
. . .
3
. . .
3 „ 1 cc. ...
...
...
...
2
1
3 „ . 1 c c .
...
3
3 „ .01 cc. ...
..
...
. . .
. . .
3
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.
S A M P L E I V . — T A P N E A R S A I D A P E T T O L L - G A T E .
1 +
+
+
- - - + + III B. 71.
Total colonies per cc. on agar at 37° C.—1,160.
2 + + + - - - + + III Do.
...
... Group I, nil.
3 + + + - - - + + III Do.
„ I I ,
n i l
.
4 + + + - - - + + III Do.
„ I I I , 1 0 .
Bile salt lactose, medium.
+
-
5 + + + - - - + - III B. Neopolitanus ...
„ IV, nil.
6 + + + - - - + + III B. 71.
7 + + + - - - + - III B. Neopolitanus.
1 tube of 20 cc. ...
...
....
. . .
1
...
8 + + + - - - + + III B. 71
... Class I, nil.
9 + + + - - - + - III B. Neopolitanus..
„ II, 10.
10 + + + - - - + - III
Do.
„ III, nil.
2 tubes of 10 cc. ...
...
...
2
. . .
3 „ 5 c c .
2
1
3 „ 1 cc.
...
...
...
...
2
1
3 „ .1 cc.
...
...
...
. . .
. . .
3
3 „ . 0 1 c c . . . .
. . . 3
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.