54
MADURA.
WATER SAMPLES TAKEN—30TH AUGUST 1911.
REMARKS.—The river bed of the Vaigai river was dry when samples were taken. Spring channels are cut in the bed of the river to
increase the yield. The supply is intermittent. There has been about 5.97 inches of rain since last analysis.
Bacteriological Analyses.
SAMPLE I.—FROM A CHANNEL CUT IN THE BED OF THE RIVER
VAIGAI.
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 ndol .
Mo t 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.—Countless.
Bile salt lactose, medium.
+
-
1 + - - - - - - - I B. Mutabilis
... Group I, 9.
1 tube of 20 cc.
...
. . . . . .
1
. . .
2 + - - - - - - - I
Do.
„ I I ,
n i l .
2 tubes of 10 cc.
...
... ...
2
. . .
3 + + - - - - + - IV B. Coscoroba
„ III, nil.
3 „ 5 cc. ...
...
...
...
3
. . .
4 + - - - - - - - I B. Mutabilis
„ I V , 1 .
3 „ 1 cc. ...
...
...
...
3
. . .
5 + - - - - - - - I
Do.
3 „ .1 cc. ...
..
...
...
2
1
6 + - - - - - - - I
Do.
3 „ .01 cc. ...
...
...
... . . .
3 7 + - - - - - - - I
D o .
Fœcal baci l l i i n . 1 cc. and upwar ds .
8 + - - + - - + - I B. Acidi lactici ... Class I, nil .
No vibrios in 100 cc.
9 + - - - - - - - I B. Mutabilis
...
„ I I , 2 .
1 0 + - - - - - - - I
Do.
... „ III, 8.
SAMPLE II.—TAP IN FRONT OF PUMPING STATION.
1 + + -
+
- + - - IV B. Lactis ærogenes.
Total colonies per cc. on agar at 37° C.—170.
2 + + - + - + - - IV
Do.
Group I, nil.
3 + + - + - + - - IV
Do.
„ II, nil.
Bile salt lactose. medium.
+
-
4 + + - + - +1 - - IV
Do.
„ III, nil.
5 + + - + - + - - IV
Do.
„ IV, 10.
6 + + - + - + - - IV
Do.
7 + + - + - + - - IV
Do.
1 tube of 20 cc.
1
. . .
8 + + - + - + - -
IV
Do.
C l a s s I ,
n i l
2 tubes of 10 cc.
2
. . .
9 + + - + - + - -
IV
Do.
„ II, 10.
3 „ 5 cc.
... ...
...
...
1
2
1 0 + + - + - + - - IV
Do.
„ III, nil.
3 „ 1 cc.
...
.. ...
. . .
3
3 „ .1 cc.
...
.,.
...
...
. . .
3
3 „ .01 cc.
...
...
...
...
. . . 3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP IN MUNGAMMAL CHATTRAM.
1 + + - + - + - - IV B. Lactis ærogenes.
Total colonies per cc. on agar at 37° C.—180.
2 + + - + - + - - IV
Do.
Group I, nil.
3 + + - + - + - - IV
Do
„ II, nil.
Bile salt lactose, medium.
+
-
4 + + - + - + - - IV
Do,
„ III, nil.
5 + + - + - + - - IV
Do.
„ IV, 10.
6 + + - + - + - -
IV
D o .
7 + + - + - + - - IV
Do.
1tube of 20 cc.
...
... ...
1
. . .
8 + + - + - + - - IV
Do.
Class I, nil.
2 tubes of 10 cc.
...
...
...
2
...
9 + + - + - + - - I V
Do.
„ II, 10.
3 „ 5 cc.
...
...
...
...
1
2 1 0 + + - + - + - - IV
Do.
„ III, nil.
3 „ 1 c c .
. . .
. . .
. . .
. . .
. . .
3
3 „ .1 cc. ... ... .. ...
. . .
3
3 „ . 0 1
c c .
. . .
. . .
. .
. . . . .
3
Fœcal bacilli in 10 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—PILLAR FOUNTAIN No. 1 NEAR BIG TEPPAKULAM.
1 + + + + + - + - III
?
Total colonies per cc. on agar at 37° C.—180.
2 + + + + + - + - III
?
Group I, nil.
3 + + + - - + - - III B.75
...
„ I I ,
n i l
Bile salt lactose, mmedium.
+
- 4 + + + + + - + - III
?
„ III, 9.
5 + + + - - + - - III B. 75 ...
IV, 1.
1 tube of 20 cc.
1
. . .
6 + + + + + - + -
III
?
7 + + + - - + - - III B. 75.
2 tubes of 10 cc.
2
. . .
8 + + - + + + + - I V B. 97
...
Class I, 1.
3 „ 5 cc.
...
1
2 9 + + + - - + - - III B. 75
...
„ II, nil.
3 „ 1 cc.
3
. . . 10 + + + - - + - - III B. 75
...
„ I I I , 5 .
3 „ .1 cc.
. . .
3
Undetermined,4.
3 „ . 0 1 c c .
. . .
. . .
3
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.