MADURA.
WATER SAMPLES TAKEN ― 9TH JANUARY 1912.
R E M A R K S . — T h e r i v e r b e d o f t h e V a i g a i r i v e r w a s d r y w h e n s a m p l e s w e r e t a k e n . S p r i n g
channels are cut in the bed of the river to increase the yield. The supply is
intermittent. There has been about 7.10 inches of rain since last analysis.
Bacteriological Analyses .
SAMPLE I.― FROM A CHANNEL CUT IN THE BED OF THE VAIGAI
RIVER.
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.―410.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. . . .
1
. . .
1
+ - - - - - + - I
B . V e s i c u l o s u s .
2
. . . 2 + - - - - - + - I
Do. . . .
Group I, 10.
2 tubes of 10 cc. . . .
3 + - - - - - + - I
Do. . . .
" II, nil.
3 " 5 cc. . . .
1
2
4 + - - - - - + - I
Do. . . .
" III, nil.
3 " 1 cc. . . .
. . .
3
5 + - - - - - + - I
Do. . . .
" I V ,
n i l
.
3 " .1 cc. . . .
. . .
3
6 + - - - - - + - I
Do.
3 " .01 cc. . . .
. . .
3
7 + - - - - - + - I
Do.
Fœcal bacilli in 10 cc. and upwards.
8 + - - - - - + - I
Do. . . .
Class I, nil .
9 + - - - - - + - I
Do. . . .
" I I ,
n i l
.
No vibrios in 100 cc.
10 + - - - - - + - I
Do. . . .
" I I I , 1 0 .
SAMPLE II.― TAP IN FRONT OF PUMPING STATION.
No lactose fermenters.
Total colonies per cc. on agar at 37° C. ― cannot be counted.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. . . .
. . .
1
2 tubes of 10 cc. . . .
. . .
2
3 " 5 cc. . . .
. . .
3
3 " 1 cc. . . .
. . .
3
3 " .1cc. . . .
. . .
3
3 " .01 cc. . . .
. . .
3
Fœcal bacilli not present in 60 cc.
No vibrios in 100 cc.
SAMPLE III. ― TAP IN MUNGAMMAL CHATTRAM.
1 + + - + - - - - IV B. Gasoformans.
Total colonies per cc. on agar at 37° C.― 114.
2 + + - + - - - - IV
Do. . . . Group I, nil.
3 + + - + - - - - IV
D o . . . .
" II, nil.
Bile salt lactose, medium.
+
-
4 + + - + - - - - IV
Do. . . .
" III, nil.
5 + + - + - - - - IV
Do. . . .
" IV, 10.
6 + + - + - - - - IV
Do.
7 + + - + - + - - IV B. Lactis ærogenes.
1 tube of 20 cc. . . .
1
. . .
8 + + - + - - - - IV B. Gasoformans . . . Class I, nil.
9 + + - + - - - - IV
D o . . . .
" I I , 1 0 .
2 tubes of 10 cc. . . .
1
1 10 + + - + - - - - IV
D o . . . .
" I I I ,
n i l
.
3 " 5 cc. . . .
. . .
3
3 " 1 cc. . . .
. . .
3
3 " .1 cc. . . .
. . .
3
3 " .01 cc. . . .
. . .
3
Fœcal bacilli in 10 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.― PILLAR FOUNTAIN No. 1 NEAR BIG TEPPAKULAM.
1 + - - - - - - -
I B. Mutabilis.
Total colonies per cc. on agar at 37° C. ― 110.
2 + - - - - - - - I
Do. . . . Group I, 10.
3 + - - - - - - - I
D o . . . .
" I I ,
n i l
.
Bile salt lactose, medium.
+
- 4 + - - - - - - -
I
D o . . . .
" III, nil.
5 + - - - - - - -
I
Do. . . .
" IV, nil.
6 + - - - - - - -
I
Do.
1 tube of 20 cc. . . .
1
. . . 7 + - - - - - - - I
Do.
2 tubes of 10 cc. . . .
2
. . . 8 + - - - - - - -
I
Do. . . . Class I, nil.
3 " 5 cc. . . .
1
2
9 + - - - - - - -
I
D o . . . .
" II, nil.
3 " 1 cc. . . .
. . .
3 10 + - - - - - -
I
D o . . . .
" I I I , 1 0 .
3 " .1 cc. . . .
. . .
3
3 " .01 cc. . . .
. . .
3
Fœcal bacilli in 10 cc. and upwards.
No vibrios in 100 cc.