16
Ā DŌ NI.
WATER SAMPLES TAKEN—17TH FEBRUARY 1912.
REMARKs.—The supply is constant. The level of water in tank was about 18.40 feet.
There was no rain since last analysis.
Bacteriological Analyses.
SAMPLE I.—FROM THE SPRING.
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 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.—64.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. . . .
1
. . .
1 + + - - - - + - IV B. Coscoroba.
2
. . .
2 tubes of 10 cc. . . .
2 + + - - - - + - IV
Do. . . . Group I, 6.
3 " 5 cc. . . .
3
. . . 3
+ -
- - - - + - I B. Vesiculosus . . .
"
II, nil.
3 " 1 cc. . . .
. . .
3
4 + -
- - - - + - I
Do. . . .
" III, nil.
. . .
3
3 " .1 cc. . . .
5 + -
- - - - + - I
Do. . . .
" IV, 4.
3 " .01 cc. . . .
. . .
3
6 + -
- - - - + - I
D o . . . .
7 +
- - - - + - I
D O . . . .
Fœcal bacilli in 5 cc. and upwards.
8 + + - - - - + - IV B. Coscoroba . . . Class I, nil.
9 + -
- - - - + - I B. Vesiculosus . . .
" II, 4.
10 + + - - - - + - IV B. Coscoroba . . .
" III, 6.
No vibrios in 100 cc.
SAMPLE II.—FROM THE TANK OR RESERVOIR.
1 + + - - - - + - IV B. Coscoroba.
Total colonies per cc. on agar at 37° C.—74.
2 + + - - - - + - IV
Do. . . .
Group I, nil.
3 + + - - - - + - IV
Do. . . .
"
II, nil.
4 + + - - - - + - IV
Do. . . .
" III, nil.
Bile salt lactose, medium.
+
-
5 + + - - - - + - IV
Do. . . .
" IV, 10.
6 + + - - - - + - IV
Do. . . .
7 + + - - - - + - I V
Do. . . .
1 t u b e o f 2 0 c c . . . .
1
. . .
8 + + - - - - + - IV
Do. . . .
Class I, nil.
9 + + - - - - + - IV
Do. . . .
" II, nil.
2 tubes of 10 cc. . . .
1
1 10 + + - - - - + - IV
Do. . . .
" I I I , 1 0 .
3 " 5 cc. . . .
1
2
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 III.—FROM FIRST TAP AFTER SERVICE RESERVOIR.
Total colonies per cc. on agar at. 37° C.—590.
1 + + - - - - + - IV B. Coscoroba.
2 + + - - - - + - IV
Do. . . .
Group I, nil.
Bile salt lactose, medium.
+
-
3 + + - - - - + - IV
Do . . .
" I I ,
n i l .
4 + + + - - - + - III B. Neapolitanus . . .
" I I I ,
n i l .
5 + + - - - - - + IV B. 109 . . .
" IV, 8.
1 tube of 20 cc. . . .
1
. . .
6 + + - - - - + - IV B. Coscoroba.
2 tubes of 10 cc. . . .
7 + + - - - - + - IV
Do.
2
. . .
8 + + + - - - + - III B. Neapolitanus . . . Class I, nil.
3 " 5 cc. . . .
1
3 " 1 cc. . . .
9 + + - - - - - + IV B, 109 . . .
" I I , 8 .
. . .
3
3 " .1 cc. . . .
10 + + - - - - + - IV B. Coscoroba . . .
" I I I , 2 .
. . .
3
3 " .01 cc. . . .
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—FROM A TAP IN FRONT OF MUNICIPAL HOSPITAL.
1 + +
-
- - - + - IV B. Coscoroba.
Total colonies per cc. on agar at 37° C.—2,000.
+
-
2 + + - - - - + - IV
Do. . . .
Group I , nil.
3 + + - - - - + - IV
Do. . . .
" II, nil.
Bile salt lactose, medium.
4 + + - - - - + - IV
Do. . . .
„ III, nil.
5 + + - - - - - + IV
Do. . . .
" IV, 10.
1 tube of 20 cc. . . .
1
. . .
6 + + - - - - + - IV B. 106.
7 + + - - - - + - IV B. Coscoroba.
2
. . .
2 tubes of 10 cc. . . .
8 + + - - - - + + IV B. 106 . . .
Class I, nil.
3
. . .
3 " 5 cc. . . .
9 + + - - - - + - IV B. Coscoroba . . .
" I I ,
1 0 .
1
2
3 " 1 cc. . . .
10 + + - - - - + - IV
Do. . . .
" III, nil.
3
. . .
3" .1 cc. . . .
3 " .01 cc. . . .
. . .
3
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.