WATER SAMPLES TAKEN—10TH OCTOBER 1911
.
REMARKS.—T he river Coleroon was partially flooded when samples were taken. The supply is intermittent. There has been about
11.43 inches of rain since last analysis.
Bacteriological Analyses.
SAMPLE I.—FROM THE RIVER BED OF THE COLEROON.
N u m b e r .
L a c t o s e .
Sacchar ose.
D u l c i t e . A d o n i t e .
I n u l i n e .
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.
+
-
B. Acidi lactici . . .
Group I, 9.
- + - I
1 + -
- +
-
1 tube of 20 cc. . . .
1
. . .
-
- - - - + +
I B. Grunthal . . . . . . . . .
" I I ,
n i l .
2
+
2
. . .
2 tubes of 10 cc . . . .
3
+ -
- - - - + +
I
D o . . . . . . . . "III, nil.
3
. . .
3 " 5 cc. . . .
+ -
- - - - + -
I B. Vesiculosus . . .
" I V , 1 .
4
3
. . .
3 " 1 cc.
5 + -
- + - - + -
I B. Acidi lnctici.
3
. . .
3 " . 1 c c . . . .
6
+ -
- - - - + -
I B. Vesiculosus.
3
. . .
3 " .01 cc. . . .
7 +
-
- - - - + -
I
D o .
Fœcal bacilli in .01 cc. and upwards.
8 + + - + - - - - IV B. Gasoformans . . .
Class I, n i l .
9
+ + - + - - + -
I B. Acidi lactici . . . . . .
" I I , 4 .
No vibrios in 100 cc.
10
+ - - - - - + -
I B. Vesiculosus . . .
"
III, 6.
SAMPLE II.—TAP IN HEAD WORKS AFTER FILTRATION.
1
+ +
- - - - +
+ IV
B . 1 0 6 . . . .
+ + - - - - + + IV Do. . . .
Group I, nil.
2
Total colonies per cc. on agar at 37° C.—320.
3 + + - - - - + + IV Do. . . .
" I I ,
n i l .
Bile salt lactose, medium.
+
-
4 + + - - - - + + IV Do. . . .
" III,n i l .
5 + + - - - - + + IV D o . . . .
" I V , 1 0 .
6 + + - - - - + + IV D o .
7 + + - - - - + + IV D o .
1
. . .
Do. . . . Class I, nil.
1 tube of 20 cc. . . .
8
++ - - - - + + IV
9 + + - - - - + + IV D o . . . .
" I , 1 0
.
2 tubes of 10 cc. . . .
2
. . .
IV Do. . . .
" I
n i l .
3
. . . 10 + + -
-
- - + +
3 " 5 cc. . . .
1
2
3 " 1 cc. . . .
1
2
3 " . 1 c c . . . .
. . .
3
3 " .01 cc. . . .
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP IN KODAIKKAL STREET.
1 +
+ - +
- - - - IV B. Gasoformans.
2 + + - + - - - - IV
Do. . . .
Group I, nil.
Total colonies per cc. on agar at 37° C.—2,720.
3 + + - + - - -
-
IV
Do. . . .
" I I ,
n i l .
Bile salt lactose, medium.
+
-
4 + + - + - - - - IV
Do. . . .
" III, nil.
5 + + - + - - - - IV
Do. . . .
" IV, 10.
6 + + - + - - - - IV
Do. . . .
7 + + - + - - - - IV
Do. . . .
8 + + - + - - - - IV
Do. . . .
Class I, n il.
1 tube of 20 cc. . . .
1
. . .
9 + + - + - - - - IV
Do. . . .
" II, 10.
2 tubes of 10 cc. . . .
2
. . . 10 + + - + - - - - IV
Do. . . .
" III, nil.
3
3 "
5 cc. . . .
. . .
. . .
. . .
3
" 1cc. . . .
3 " . 1 c c . . . .
1
2
3 " . 0 1 c c . . . .
. . . 3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—TAP IN MUNICIPAL OFFICE.
1
+
+
- - - -
+ +
I B. Grunthal.
2 + + - - - - + - I B. Vesiculosus . . . Group I, nil.
Total colonies per cc. on agar at 37° C.—2,900.
3 + + - - - - - + + I B. Grunthal
" I I , n i l .
Bile salt lactose, medium.
+
-
4 + + - - - - + -
I B. Vesiculosus . . . " III, nil.
5 + +
- - - - + -
I
Do. . . .
" IV, nil.
+ +
- - - - + - I
6
D o .
1 tube of 20 cc. . . .
1
. . .
7 + +
- - - - + - I
D o
2 tubes of 10 cc. . . .
+ + - - - - + -
Do
Class I, ni l .
8
I
2
. . .
3 " 5 c c . . . .
3
9 + + - - - - + - I
D o
" I I ,
n i l .
. . .
3 "
1 cc. . . .
3
+ +
- - - - + - I
Do. . . .
" III, 10.
10
. . .
3 " . 1 c c . . . .
3
. . .
3 " . 0 1 c c . . . .
. . .
3
Fœcal bacilli in .1 cc. and upwards.
No vibrios in 100 cc.