103
V I Z A G A P A T A M .
SAMPLES TAKEN—27TH AND 28TH JUNE 1909.
REMARKS.—There has been 9.7 inches of rain since last report.
Bacteriological Analyses.
SAMPLE I.—STORAGE TANK—UNFILTERED WATER.
C o l o n y n u m b e r
S a c c h e r o s o
Dulcit Adoni t Inulin
V o g e s o r P r o s k
I ndol
Mobility Group
Bacillus.
Groups and
Remarks.
(a) Total colonies on agar at 37º—470.
+
–
( b ) Bile salt lactose, medium.
1 tube 20 cc. of water taken ...
...
1
...
1
+ – + – +– – IV B. Lactis ærogenes . Group I, nil.
2 tubes 10 cc.
„
...
..
2
...
2 + – – – + – – IV B. Cloacæ
„
II, nil.
4 „ 5cc.
„
...
...
4
...
3 + + + – + – – III B. No. 67 ...
..
„ III, I .
5 ,,
1 cc.
„
...
...
5
...
4 + – + – + – – IV B. Lactis ærog nes ...
„
IV, 9.
5
1 cc.
,,
...
...
3
2
5 + – – – + – – IV l3. Cloac æ
5 , , . 0 1 c c . , , . . .
2
3
6 + – – – + – – IV
Do.
7 + – + – + – – IV B. Lactis ærogenes.
( c) Fœcal bacilli in .1 cc. and upwards.
8 + – + – + – – IV
Do
9 + - –– – + IV B. No. 109.
(d ) Sporogenes milk test--in 20 cc.
10 + - – – +– +
I V B. No. 109.
S A M P L E I I . — F I R S T
TAP AFTER FILTRATION.
1 + + – – + –- –-
I I I B. No. 75 ...
... Group I, nil.
2 + + – – + – + III B. No. 73 ...
...
„
II, nil
(a) Total colonies on agar at 37º—160.
3 + + – – + – – III B. No. 75 ..
...
,. III, 9.
4 + ++– – + – + III B. No. 73
„
IV, 1.
(b) Bile salt lactose, medium.
+
–
5 +' – – – + – + IV B. Cloacæ.
6 + + – – + – – III B. N o. 75.
7 + + –– +– – III B. No. 75.
1 tube 20 oe. of water taken ...
...
1
. . . .
8 +++++++ – – + – – III B. No. 75.
2 tubes 10cc.
„
...
...
2
...
9 + + – – + – + III B.No.73,
4 „ 5cc.
„
...
...
4
... 10 + + – – ++++++ – –
I I I B.No.75.
5 „ 1 cc.
„
5
5 „
. 1 c c .
, ,
. . .
. . . ...
5
5 „ .
0 1 c c .
, ,
. . .
. . .
(c) Fœcal bacilli in 1 cc. and upwards.
...
5
( d) Sporogenes milk test—in 20 cc.
SAMPLE III.—EASTERNMOST TAP NEAR BEACH.
1 +
+ – – – + – III B. Neapolitanus ... Group I, nil.
2 ++ – – – + – Ill
Do.
...
„
II, nil.
(a) Total colonies on agar at 37º—110
3 + + – – – + + III. B. No. 71 ...
...
„ III, 9.
+
–
4 + + – – – + + III B. No. 71 ...
...
„
IV, 1.
(b) Bile salt lactose, medium.
5 + + – – – + + IlI B. No. 71.
6 + + – – ––+ –
I I I B. Neopolitanus.
1 tube 20 cc. of water taken ...
...
1
...
7 + – – – – + – IV B. Coscoroba.
8 + + – – – + + III B. No. 71.
2 tubes 10 cc.,,.
2
...
9 + + – - – + – III B. Neopolitanus.
III
4
,,
5cc.
I
4
10 + + – – – + –
Do.
„ 1cc.
„
. . .
. . . 5
5
„ .1 cc. „ ... ...
. . . 5
. . . 5
5 „.. 01 cc....
(c) Fœcal bacilli in 5 cc. and upwards.
( d) Sporogenes milk test—in 20 cc.
SAMPLE IV.—SOUTHERNMOST TAP NEAR HARBOUR.
1 + + – – – + + III B. No. 71 ..,
... Group I, nil.
2 + – – – – – +
I V
„
II, n i l . .
(a) Total colonies on agar at 37º—330.
3 + – – – + + – IV
.......
I,
4.
4 + – – – – + – IV
......
,, IV.
(b) Bile salt lactose, medium.
+
–
5 + + – – + + – III
......
6 + – – – + + – IV
......
1 tube 20 cc, of water taken ...
...
1
...
7 + – – – + + – IV
. . . . . .
8 + – – – – + + IV B. No. 106.
2
...
9 + + – – – + + III B. No. 71.
2 tubes 10 cc.„
...
...
III B. Neopolitanus .
4 „ 5cc.... ,,
2
2 10 + + – – – +
5 „ 1 ce.
,,
...
...
1
4
5 „
. 1
c c
. . .
. . . ......
5
5 , '.01 cc. „ . . .
. . . 5
( c) Fœcal bacilli in 5 cc. and upwards.
(d) Sporogenes milk test—in 20 cc.