MADURA.
WATER SAMPLES TAKEN-9TH FEBRUARY' 1911.
REMARKS—There was a very small flow of water on the northern bank of the Vaigai River. The sample - was taken from a spring
channel cut in the bed of the river. The supply is intermittent. There has been about 4.12 inches of rain since last
analysis.
Bacteriological Analyses.
SAMPLE I.—FROM A CHANNEL CUT IN THE BED OF THE RIVER
VAIGAI.
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 .
Dul 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.
Group I,8
.
Total colonies per cc. on agar at 37° C.—312.
Bile salt lactose, medium.
+
-
1 + - - - - - + + I B. Grunthal
....
1 tube of 20 cc. of water taken .... . . . 1
. . .
2 tubes of 10 cc ,, .... . . . .
. . . .
2 +
- - - - - + +
I
Do.
. . . . „,, II, nil
2
. . . .
3 „ 5 cc.
,, . . .
. . . .
. . .
,.III, nil,
3 +
+ - - - - + + I B. Vesiculosus
....
3
3
„
1 cc
:„..
4 + - - - - - + + I B. Grunthal
IV, 2,
3
3 „
. 1 c c .
,,,,„
. . .
. . . .
. . . .
5 + + - + - - + +
I V B. 100.
3
3 „
. 0 1 c c .
„ ...
. . . .
. . . . . . .
6 + - - + - - + + I B.I
3
. . .
Class I, nil,
7 + - - - - - + + I B. Grunthal .
Fœcal bacilli in 1 cc. and upwards.
8 + - - + - - + + I B. Acidi lactici ....
9 + - - - - - + +
I B. Grunthal
, , I I , 4 .
No vibrios in 1 00 cc.
10 + + - - - - + + IV B. 106
III 6
., ,
SAMPLE II—TAP IN FRONT OF PUMPING STATION.
1 + + - + - + - - IV B. Lactis ærogenes. Group I, nil,
Total colonies per cc. on. agar at 37° C.—44.
2 + + - + - + - - IV
Do.
, , „ 1 1 , n i l ,
3 + + - + - + - - IV
Do.
,, III, nil,
Bile salt lactose, medium.
+
-
4 + + - + - + - - IV
Do.
„ IV; 10,
5 + + - + - + - - IV
Do.
I tube of 20 co. of water taken .... ...
. . .
1
6 + + - + - + - - IV
Do.
7 + + - + - + - - IV
Do.
Class I, nil,
2 tubes of 10 cc."
......,
1
1
8 + + - + - + - - IV
Do.
,, II, 10,
3 „
5 cc ,,"
...
. . .
3
9 + + - + - + - - IV
Do.
„ III, nil,
3 ... 1 cc. .... ....
. . . . . . .
3 10 + + - + - + - - IV
Do.
3 „ .1 cc. ,,...
. . .
3
... 3
3 „ '01 cc..„. ,,
3
Fœcal bacilli present in 60 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP IN MUNGAMMAL CHATTRAM.
1
+ + - + - + - - IV B. Lactis ærogenes. Group I,nil.
Total colonies per cc. on agar at 37° C.—31.
2 + + - + - + - - IV
Do.
„ II, nil
3 + + - + - + - - IV
Do
, , I I I n i l
Bile salt lactose, medium.
+
-
,,, IV 10.
,
4 + + - + - + - - IV
Do
5 + + - + I+ - + - - IV
Do,
6 + + - + - + - - IV
Do.
1 tube of 20 cc,. of water taken
. . . .
. . . . 1 ...
7 + + - + - + - - IV
Do,
Class I, nil.
8 + + + - + - + - - IV
Do.
2 tubes of 10 cc .
„
. . . .
. . . . . . .
2
9 + + - + - + - - IV
Do.
„ II 10,
3 „ 5 cc
„.
. . . .
. . . . . . .
3
3 „ 1 cc.
.,
. . . .
. . . . . . .
3 10 + + - + - + - - Iv
Do
, , I I I n i l
,,.
3 „
. 1 c c
„.
.-
.
. . .
3
3 „
. 0 1 c c .
„
. . . .
.
. . .
3
Fœcal bacilli in 20 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—PILLAR FOUNTAIN (NO. ½) NEAR BIG TEPPA
¬KULAM.
No lactose fermenters.
Total colonies per cc. on agar at 37° C.—45.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. of water taken.... . . .
1
2 tubes of 10 cc.
, ,
. . .
. . .
2
3 ,, 5 cc.
„
. . . . . . .
3
3 „ 1 cc.
, ,
. . . . . . .
3
3 „
. 1 c c .
„ . . . .
j . . . .
3
3 „
. 0 1 c c .
, ,
. . . . . .
3
Fœcal bacilli not present in 60 cc.
No vibrios in 100 cc.