157
WATER SAMPLES TAKEN—26TH NOVEMBER 1912.
R e m a r k s
. — T h e r e w a s a s m a l l f l o w o f f l o o d e d w a t e r i n t h e r i v e r V a g a v a t i w h e n s a m p l e s w e r e
taken. The supply is intermittent. There has been about 36 . 99 inches of rain
since last analysis.
Bacteriological Analyses
SAMPLE I.—FROM THE BED OF THE RIVER VAGAVATI.
Numbe r . La c t os e .
S a c c h a r o s e .
Du l c i t e .
Adoni t e. I n u l i n e .
V o g e s a n d P r o s k .
Indol. Mot i l i t y. Gr o u p .
Name of Bacilli.
Group and
Remarks.
Total colonies per co. on agar at 37° C.—1,050.
Bile salt lactose medium.
+
-
1 tube of 20 cc.
1
...
1 +
+ - - - + - - IV B. 112
Group I, nil.
2 tubes of 10 cc.
2
...
2 + + - - - + - - IV Do.
„ II, nil.
3
„
5 cc,
3
...
3
+ + - - -
- - IV Do.
„ III, nil.
3
„
1 cc.
3
. . . 4 + + - - .- + - - IV Do.
„ I V 1 0 .
3 „.1 cc.
2
1
5 + + - - - + - - IV
Do.
3 „ . 0 1 c c .
1
2
6
+ + - - -+ - - IV
Do.
Fœcal bacilli in .1 cc. and upwards.
7
8
+
+
+
+
-
-
-
-
-+
- ++ +
-
-
-
-
IV
IV
Do.
Do.
Class I, nil.
9 + + - - - + - - IV
Do.g
„ il.
No vibrios in 100 cc.
10 + + - - - + - -
I V Do.
„ III, nil.
Undetermi ned, 10.
SAMPLE II.—TAP IN FRONT OF PUMPING STATION.
1 + + - + -
+
-
- IV B. Lactis ærogenes. Group I, 6.
Total colonies per cc. on agar at 37° C.—Cannot be Counted.
2 + + - + - + - - IV
D o .
„ II, nil.
3 + + - + - + - - IV
Do.
„ III, nil.
Bile salt lactose, medium.
+
-
4
+ -
- - - - - - I B. Mutabilis
„ IV, 4.
5 + + - + - + - - IV B. Lactis ærogenes.
6
+ -
- - - - - - I B. Mutabilis.
1 tube of 20 cc.
1
. . . 7
+ -
- - - - - - I
Do.
8
+ -
- - - - - - I
Do.
Class I, nil.
2 tubes of 10 cc.
2
. . .
9
+ -
- - - - - - I
Do.
„ II, 4.
3 „ 5 cc.
3
. . . 10
+ -
- - - - - - I
Do.
„ III, 6.
3 „ 1 cc.
3
. . .
3 „1 cc..
2
1
3 „ .01 cc.
. . .
3
Fœcal bacilli in .1 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP ADJOINING THE SERVICE RESERVOIR.
1 + -
- - - - + - I B. Vesiculosus
Group I, 5.
2 + + - + - + - - I
Do.
„ II, nil.
Total colonies per cc. on agar at 37° C.—4,700.
3 + + - + - + - - IV B. Lactis ærogenes.
„III, nil.
4 + - - - - - + - I B. Vesiculosus
„ IV 5.
Bile salt lactose medium.
+
-
5
+ -
- - - - + - I
Do.
6
+ -
- - - - + - I
Do.
7 + + - + - + - - IV B. Lactis ærogenes.
1 tube of 20 cc.
1
. . .
8
+ + - + - + -
I V
Do.
Class I, nil.
9 + + - + - + - -
IV
Do.
„ II, 5.
2 tubes of 10 cc.
2
. . .
10 + + - + - - - - IV
Do.
„ III, 5.
3 „
5 cc.
3
. . .
3 „ 1 cc.
2
1
3 „ .1 cc.
2
1
3 „.01 cc.
...
3
Fœcal bacilli in .1 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV .——T A P N E A R S E E V A R A M T O L L — G A T E .
1 + + - + -
+
- - IV B. Lactic æorogenes. Group I, nil.
Total colonies per cc. on agar at 37° C.—430.
2
+ + - + - + - - IV
Do.
„
II, nil.
+
-
Bile salt lactose, medium.
3
+ + - + - + -
-
IV
Do.
„ III, nil.
4
+ + - + - + - - IV
Do.
„ IV, 10.
5 + + - + - + - - IV
Do.
6 + + - + - + - - IV
Do.
1 tube of 20 cc.
... ..
...
1
...
7 + + - + - - - - IV B. Gasoformans.
8 + + - + - - - - IV
Do.
Class I, nil.
2 tubes of 10 cc.
... 0 ..
...
...
2
...
9 + + - + - + - - IV B. Lactis mrogenes.
„ II, 10.
3 „ 5 cc. ...
...
...
...
3
...
10 + + - + - + - - IV
Do.
„ III, nil.
3
0
),
1cc.
0 0 1
0 1
0 1
0 1
3 . . .
3 Ft ... cc....
.....
....
2
1
..
3 „
0 1 cc..
00•
001
001
...
3
Fœcal bacilli in .1 cc. and upwards.
No vibrios in 100 cc.