155
VIZAGAPATAM.
SAMPLES TAKEN—25TH & 26TH SEPTEMBER 1909.
REMARKS.—There has been about 17.98 inches of rain since last report. The supply is constant. The tank is very high in this
quarter, the height of water being 18.60.
Bacteriological Analyses.
SAMPLE I.—TANK (UNFILTERED WATER).
Colony number.
L a c t o s e . S a c c h a r o s e
D u l c i t e .
Adonite.
Inulin.
V o g e s a n d P r o s k .
Indol. M o t i l i t y .
Group.
Bacillus.
Group and
remarks.
(a ) Total colonies per cc. on agar at 37°—5,670.
( b ) Bi1e salt lactose, medium.
+
_
1 tube 20 cc. of water taken
..
1
..
1 + + + — — + + + III B. 78
G r o u p I , 3 .
2 tubes 10 cc. "
2
. .
2 +
+ + _ — — + +
I I I B. 71..
..
" I I ,
n i l
.
3 „ 5 cc. " ..
3
. .
3 + _ _ _ _ _ + +
I B. Grunthal
" I I I , 7 .
3 „ 1 cc. ,,
3
..
4 + + + — — + + + III B. 78 ..
..
..
" IV, nil.
3 " .1 cc.
„
1
2
5
+ + + — — — + + III B. 71 ..
..
.. ....
3 „ .01 cc. "
.. ..
3
6 + + + _ _ _ + +
I I I Do. ..
. . . .
7 +
_ _ _ _ _ + +
I B. Grunthal ..
.. Class I, nil.
8 + +
+ — — + + + III B. 78 ..
..
..
„ II, 7.
(c) Fœcal bacilli in 1 cc. and upwards.
9 + _ _ _ _ _ + + I B. Grunthal ..
..
„ III, 3.
(d ) Glucose fermenters in 0i cc. and upwards.
10 + ++ — _ + + + III B. 78 ..
..
..
SAMPLE II.—FIRST TAP AFTER FILTRATION .
(a ) Total colonies per cc. on agar at 37°—3,780.
1 + _ _ _ _ _ + +
I B. Grunthal ..
.. Group I, 6.
2 + + + — — — + + III B. 71 ..
..
.
" II, nil.
3 + _ _ _ _ _ + +
I B. Grunthal ..
„ III, 3.
(b)
B i l e s a l t l a c t o s e , m e d i u m .
+
—
4 + + + — — — + -
I I I B. Neapolitanus
..
" I V , 1 .
5 + + + — — — — + IIII B. 74 ..
..
..
....
6 + + _ — — _ +
+ IV B. 106
..
....
1 tube 20 cc. of water taken.
1
. .
7 + _ _ _ _ _ + + I B. Grunthal ..
.. Class I, nil.
2 tubes 10 cc. „
..
..
2
8 + _ _ _ _ _ + +
I
Do.
" I I , 4 .
3 " 5 cc. "
•
1
2
9 +
_ _ _ _ +
+
I
Do.
" I I I , 6 .
3 „ 1 cc. „
..
1
2 10 + + _ _ _ _ _ +
I B. 7 ..
..
..
3 " .1 cc. "
..
3
3 „ .01 cc. "
..
..
3
(c) Fœcal bacilli in 5 cc. and upwards.
(d) Glucose fermenters in .1 cc. and upwards.
SAMPLE III.—EASTERNMOST TAP NEAR BEACH.
(a) Total colonies per cc. on agar at 37°—2,520.
1 + — — _ — — +
+
I B. Grunthal
Group I, 10.
2 + + _ _ _ _ + + I
Do
..
..
„ II, nil.
3 +
—
_ — — — +
+
I
Do.
..
..
" I I I , n i l .
( b ) Bile salt lactose, medium.
+
—
4 + _ _ _ _ _ + +
I
Do.
..
..
„ IV, nil.
5 + _ __ _ _ + + I
Do.
..
.. ....
6 +
_ _ _ _ _ + +
I
Do.
..
..
....
7 + _ _ _ _ _ + + I
Do.
Class I, nil.
1 tube 20 cc. of water taken
..
1
. .
8
+ _ _ _ _ _ +
+ I
Do.
" II nil.
2 tubes 10 cc. „
..
2
. .
9 + _ _ _ _ _ +
+ I
Do.
" I I I , 1 0 .
3 " 5 c c . "
3 ..
10 +
_ _ _ _ _ +
+
I
Do.
3 „ 1 cc. „
..
..
3
3 " .1 cc. „
..
..
3
3 " .01 cc. „
..
3
(c) Fœcal bacilli in 5 cc. and upwards.
(d ) Glucose fermenters in .1 cc. and upwards.
SAMPLE IV.— SOUTHERNMOST TAP NEAR HARBOUR.
( a ) Total colonies per cc. on agar at 37°—Cannot be counted
(one colony occupying).
1 + + —
_
— — + + IV B. 106
Group I, 7.
2 + - _ _ _ _ _ _
I B. Mutabilis ..
..
" I I ,
n i l .
3 + + — — _ — + +
IV B. 106
..
..
„ III, nil.
( b) Bile salt lactose, medium.
+
_
4 + _ _ _ _ _ + + I B. Grunthal ..
..
,, IV, 3.
5 + _ _ _ _ _ + +
I
Do.
.
..
....
6 + _ _ _ _ _ +
-
I B. Vesiculosus
. . . .
1 tube 20 cc. of water taken
..
1
..
7 + _ _ _ _ _ + +
I B. Grunthal .
.. Class I, nil .
2 tubes 10 cc. „
..
2
..
8 +_ _ _ _ _ + + I
Do.
..
" I I , 3 .
3 " 5 cc. "
3 ..
9 + _ — —_— + +
I
Do.
• •
,, III, 7.
3 " 1 cc. "
1
2 10 + + — — — — + + IV B. 106
3 „ .1 cc. ,,
.
..
3
3 ,, .01 cc. „ ..
. .
3
( c) Fœcal bacilli in 5 cc. and upwards.
(d ) Glucose fermenters in .1 cc. and upwards.