2
TRICHINOPOLY.
WATER SAMPLES TAKEN—17TH APRIL 1911.
REMARKS.—There was a very small flow of water on the other bank of the river Cauvery. The infiltration gallery was under repair.
The spring or sub-soil water of the infiltration gallery was pumped directly to the collecting well to increase the
supply. The supply is intermittent. There has been about 0.19 inches of rain. since last analysis.
Bacteriological Analyses.
SAMPLE I.—FROM THE RIVER-BED.
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 .
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37° C.—Countless.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. of water taken ...
. . .
1
. . .
1 + + - + - - - - IV B. Gasoformans
... Group I, nil.
2 tubes of 10 cc.
...
. . .
2
. . .
2 + + - + - - - - IV
Do.
„ I I , n i l .
3 „ 5 cc.
. . .
. . .
3
. . .
3 + + - + - - - - IV
Do.
...
„ III, nil.
3 „ 1cc.
...
...
3
. . .
4
+ + - + - - - - IV
Do.
„ I V , 1 0 .
3 „ .1cc.
...
...
3
. . .
5 + + - + - + - - IV B. Lactis ærogenes.
3 „ .01 cc.
. . .
. . .
. . . 3
. . .
6 + + - + - + - - IV
Do.
7 + + - + - + - - IV
Do.
... Class I, nil.
Fœcal bacilli in .01 cc. and upwards.
8 + + - + - + - - IV
Do.
„ I I , 1 0 .
9 + + - + - - - - IV B. Gasoformans ..
„ I I I , n i l .
No vibrios in 100 cc.
10 + + - + - + - - IV B. Lactis ærogenes.
SAMPLE II.—A TAP IN HEADWORKS AFTER INFILTRATION
GALLERY.
1
+ -
- - - - - -
I B. Mutabilis
... Group I, 9.
2
+ - - - - - - - I
Do.
...
„ II, nil.
Total colonies per cc. on agar at 37° C. —Countless.
3
+ - - - - - - - I
Do.
...
„ III, nil.
4 + - - - - - - - I
Do....
„ IV, 1.
Bile salt lactose, medium.
+
-
5 + - - - - - - - I
D o .
6
+ - - - - - - - I
D o .
7
+ - - - - - - - I
Do.
1 tube of 20 cc. of water taken ...
...
1
...
8 + + - - - + - - IV B. 112
... Class I, nil .
9
+ - - - - - - - I B. Mut a bi l i s . . .
„ I I , n i l
.
2 tubes of 10 cc.
,,
2 . . .
10
+
-
- - - - - -
I
Do.
... „ III, 9.
Undetermined,
1.
3 „ 5 cc. „
3
. . .
3 „ 1 cc.
. . .
3
. . .
3 „ .1 cc....
3
. . .
3 „ .01 cc....
...
...
3
. . .
Fœcal bacilli in .01 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III. —A TAP TO THE SOUTHERN CORNER OF TEPPA
¬KULAM NEAR CLIVE'S HOUSE.
1 + + - + - + - - IV B. Lactis ærogenes... Group I, 2.
2 + + - + - + - - IV
Do.
„ I I ,
n i l
.
Total colonies per cc. on agar at 37° C.—Countless.
3 + + - + - + - - IV
Do.
..
„ III, nil.
4 + + - + - + - - IV
Do.
„ I V , 8 .
Bile salt lactose, medium.
+
-
5 + + - + - + - - IV
Do.
6 + + - + - + - - IV
Do.
7 + - - - - - + - I B. Vesiculosus.
1 tube of 20 cc. of water taken
..
1
. . .
8 + - - - - - + - I
Do.
... Class I, nil.
9 + + - + - + - - IV B. Lactis ærogenes...
„ II, 8.
2 tubes of 10 cc.
. . .
. . .
. . .
2
. . . 10 + + - + - + - - IV
Do.
„ I I I , 2 .
3 „ 5 cc.
, ,
3
. . .
3 , , 1 c c .
3
. . .
3 „ .1 cc.
,,
3
. . .
3 „ .01 cc. „
1 2
Fœcal bacilli in .1 cc. and upwards.
No vibrios in 100 cc.
S A M P L E I V . — A T A P N E A R R A I L W A Y S T A T I O N .
1 + + - - - - + - IV B. Coscoroba
... Group I, nil.
Total colonies per cc. on agar at 37° C.—Countless.
2 ++ + - - - - + - IV
Do.
...
„ II, nil.
3 + + - - - - + - IV
Do.
...
„ III, 1.
4 + + - - - - +- IV
Do.
...
„ IV, 9.
Bile salt lactose, medium.
+
-
5
+ + - - - - +- IV
Do.
6 + + - - - - + - IV
Do.
7 + + - - - - + - IV
Do.
1 tube of 20 cc. of watertaken...
...
1
. . . 8 + + - - - - - - IV B. III
...
... Class I, nil.
9 + + - - - - + - IV B. Coscoroba
... „ II, 8.
2 tubes of 10 cc.
2
. . . 10 + + + - - + - - III B. 75
„ I I I , 1.
Undetermined, 1 .
3 „ 5 cc.
3
. . .
3 „ 1 cc.
3
...
3 „ .1 cc....
...
3
. . .
3 „ .01 cc.
...
...
1
2
Fœcal bacilli in .1 cc. and upwards.
No vibrios in 100 cc.