41
KURNOOL.
WATER SAMPLES TAKEN-31ST MARCH 1912.
Remarks.—There was only 41/2 feet of water in the Cuddapah-Kurnool Canal when samples
were taken. The supply is intermittent. There was no rain since last analysis.
Bacteriological Analyses.
SAMPLE I.—WATER FROM A TAP BEFORE IT FALLS INTO THE
SETTLING TANK (CUDDAPAH-KURNOOL CANAL).
Total colonies per cc. on agar at 37° C.—1,410.
C o l o n y n u m b e r .
Lact ose.
Sa c c h a r o s e .
D u l c i t e .
Ad o n i t e .
Inul i n.
V o g e s a n d P r o s k .
Indol .
Mot i l i t y.
Group.
N a m e o f B a c i l l i .
Group and
Remarks.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. of water taken ...
...
1
. . .
1 + + - + - - - - IV B. Gasoformans ... Group I, nil.
2 + + - + - - - - IV
Do.
" II, nil.
2 tubes of 10 cc.
"
...
...
2
. . .
3 + + - + - + - - IV B. Lactis ærogones.
" III, 2.
3
"
5 cc. " ... ...
3
...
4 + + - + - + - -
IV
Do.
" IV, 8.
3
"
1 cc.
"
...
...
3
. . .
5 + + - + - - - - IV B. Gasoformans.
3
" . 1 c.c.
"
..
...
3
. . .
6 + + - + - - - - IV
Do.
3
"
.01 cc.
"
..
...
3
. . .
7 + + - + - - - + IV
Do.
... Class
I, nil.
8 + + - + - - - + IV
Do.
...
„
II, 2.
Fœcal bacilli in .01 cc. and upwards.
No vibrios in 100 cc
9 + + + - - - - + III B.74
...
...
"
III, nil.
10 + + + - - - - + III Do.
...
... Undetermined,
2.
SAMPLE II.—WATER FROM A TAP BEFORE IT PASSES TO FILTER
BEDS (SOUTHERN SETTLING TANK).
Total colonies per cc. on agar at 37º C.—2,170.
1 + + + + - + - - III B. 67
...
... Group I, nil.
2 + + - + - - - - IV B. Gasoformans ...
"
II, nil.
3 + + - + - -
- IV
Do.
...
"
III, 8.
Bile salt lactose, medium.
+
-
4 + + + + - - - - III B. Pneumoniæ
...
"
IV, 2.
5 + + + + - - - - III
Do.
6 + + + + - - - - III
Do.
1 tube of 20 cc. of water taken. ...
..
1
. . . 7 + + + + - - - - III
Do.
8 + + + + - - - - III
Do.
... Class
I, nil.
2 tubes of 10 cc.
"
...
...
2
. . .
9 + + + + - - - - III
Do.
...
"
II, 10.
3
"
5 cc.
"
...
...
3
...
10 + + + + - - - - III
Do.
...
"
III, nil.
3
„
1 cc.
"
...
...
3
. . .
3 " .1 cc.
"
...
3
...
3
"
.01 cc.
"
...
...
2
1
Fœcal bacilli in .01 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—FROM NORTHERN SETTLING TANK.
Total colonies per cc. on agar at 37° C.—
Countless.
1 + + - + - + - - IV B. Lactis ærogenes. Group I, nil.
2 + + - + - + - - IV
Do.
"
II, nil.
3 + + - + - + - - IV
Do.
"
III, nil.
4 + + - + - + - - IV
Do.
"
IV, 10.
Bile salt lactose, medium.
+
-
5 + + - + - + - -
IV
Do,
6 + + - + - + - - IV
Do.
1 tube of 20 cc. of water taken
.. ...
1
. . .
7 + + - + - + - - IV
Do.
8 + + - + - + - - IV
Do.
Class I, nil.
2 tubes of 10 cc.
"
...
2
. . .
9 + + - + - + - + IV B. 102
...
...
"
II, 10.
3 "
5 cc. ... ...
3
. . .
10 + + - + - + - +
IV
Do.
...
...
"
III, nil.
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 IV.—FROM FIRST TAP AFTER SERVICE RESERVOIR.
Total colonies per cc. on agar at 37° C.—135.
1
+ -
- - - -
+ + I B. Grunthal
... Group I, 8.
2 + - - - -
+ +
I
Do.
"
II, nil.
3 + - - - - - + + I
Do.
...
"
III, nil.
4 + - - - - - + + I
Do.
...
" T V, 2 .
,,
Bile salt lactose, medium.
+
-
5 + - - - - - + + I
Do.
6 + - - - - - + + I
Do,
7 + - - - - - + +
I
Do.
Class I, nil.
1 tube of 20 cc. of water taken
...
...
1
. . .
8 + + - + - - - + IV
Do.
...
"
II, nil.
2 tubes of 10 cc.
...
...
2
. . .
9 + - - - - - + +
I
Do. ...
" III, 9.
3
"
5 cc.
...
...
3
. . . 10 + + - - - - - + IV B. 109
...
... Undetermined,
3
"
1 cc." " "...
1
2
3
"
.1 cc. ...
...
"
2
1
3
„
.01 cc.
...
...
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
11