67
TRICHINOPOLY.
SAMPLES TAKEN —24TH APRIL 1909.
REMARKS.—There was a fall of 1·27 inches of rain subsequent to 28th January, the date of collection of the previous samples.
Bacteriological Analyses.
SAMPLE I. —FROM THE RIVER BED.
Nu mb e r . S a c c h a r o s e . Du l i t e . Ad o n i n . I n u l i n e . V o g e s a n d P r o s k . I ndol . Mo t i l i t y y .
Gr oup.
Bacilli.
Group and
Remarks.
(a) Total colonies on agar at 37°—
3,150.
+
—
( b )Bi l e s a l t l a c t o s e , me d i u m.
1 tube 20 cc. of water taken ... ... 1 ...
2 t u b e s 1 0 c c .
. . .
. . . 2 ...
4
,,
5 cc.
,,
... ... 4 ...
5
, ,
1 c c .
. . .
. . . 5 ... 1 — — + — — + — I B. Acidi lacteci ... Group I, 8.
5
,, ·1 cc.
,, ... ...
3
2 2 — — + — — + — I
Do. ... „. II, 2.
5
,, · 01 cc.
... ...
...
5 3 — — + — — + — I
Do. ...
, , I I I ,n
i l
.
4
— — + — — + — I
Do. ... ,, IV, nil.
(c) Fœcal baci l l i i n · 01. cc. and upwards.
5 - - + -
—
+ — I
Do.
6
— — — — —
+ — I B. Vesiculosus.
(d) Sporogenes milk test—in 20 cc.
7
—
— + —
—
+ — I B. Acidi lacteci.
8
—
+ — — — + — II Schæfferi.
(e) Vibrios not present in 100 cc.
9
—
+ — — — + — II
Do.
1 0
— — — — — — —
I Mutabilis.
S A M P L E
II.—
FROM THE FIRST TAP IN THE HEAD WORKS AFTER—
I N F I L T R A T I O N G A L L E R Y .
1
— — — — —
+ — I B. Vesiculosus ... Gr o u p I , 6 .
2 +
— —— — — — —
IV B. Coscoroba ... „ II, nil.
3
— — — — —
+ — I B. Vesiculosus ... „ III, nil,
(a ) Total colonies on agar at 37°—
630.
4 — — — — — + — I
Do. ... ,, IV, 4.
+
—
5
— — — — —
+ — I
Do.
(b) Bile salt lactose, medium.
6
— — — — —
+ — I
Do.
7 +
—
— — — + — + IV B. Cloacæ.
1 tube 20 cc. of water taken. . . . 1
. . . 8 + — — — + — + IV
Do.
2 tubes 10 cc.
, ,
. . .
2
1 9 + — — — + — + IV
Do.
4
, ,
5 c c .
. . .
. . . 4 10 — — — — — + — I B. Vesiculosus.
5 ,, 1 cc.
, ,
. . . . . .
5
5 „
· 1 c c .
, ,
. . . ...
5
5 „
· 0 1 c c .
, ,
. . . . . .
5
(c) Fœcal bacilli in 5 cc. and upwards.
(d) Sporogenes milk test — in 20 cc.
(e) Vibrios not present in 100 cc.
SAMPLE III.—FROM THE TAP TO THE SOUTHERN CORNER O
R TEPPAKULAM NEAR CLIVE'S HOUSE.
1 + — + — + — — IV B. Lactis ærogenes
or capsulatus.
Group I, n i l .
2 +
—
+ — +
— —
IV
Do.
„ II, nil.
(a) Total colonies on agar at 37°—
330.
3 + — + — + — — IV
Do
,, III, nil.
+
— 4 + — + — + —
—
IV
Do.
„ IV, 10.
(b) Bile salt lactose, medium.
5 + — + — + — — IV
Do.
6 + — + — + — — IV
Do.
1 tube 20 cc. of water taken
. . . 1
. . . 7 + — + — + — — IV
Do.
2 tubes 10 cc.
, ,
. . . 2
. . . 8 + — + — +
— —
IV
Do.
4 „ 5 cc.
, ,
. . . ...
4
9 + — + — + — — VI
Do.
5 „ 1 cc.
...
. . .
5 10 + — + — + — — V
Do.
5 ,, · 1 c c .
... ...
5
5
, ,
· 0 1 c c .
, ,
. . . ...
5
(c) Fœcal bacilli in 10 cc. and upwards.
(d ) Sporogenes milk test — in 20 cc.
(e ) Vibrios not present in 100 cc.
S A M P L E I V . — F R O M T H E R A I L W A Y S T A T I O N T A P O U T S I D E T H E C O M P O U N D .
1 — — — — — — + I B. No. 7 ... ... Group I, 3.
2 + — + — + — — IV Lactis ærogenes ..
II nil
,, II nil.
3 + — + — + — + IV
102 ... „ III, nil.
(a ) Total colonies on agar at 37°—
32.
4 + — + — + — + IV
102 ... ,, IV, 7.
+
— 5 +
— — — — —
+ IV B. No. 7.
(b ) Bile salt lactose, medium.
6
— — — — — —
+ I Lactis ærogenes.
7 +
— — — — —
+ IV
Do.
1 tube 20 cc. of water taken ...
. . . 1
. . . 8 + — + — + — + IV B. No. 7.
2 tubes 10 cc.
, ,
. . .
. . . ...
2 9 + — + — + — — IV
4 , ,
5 c c .
, ,
. . .
. . .
. . . 4 10
— — — — — —
+ I
5
1 cc.
,, ...
...
... 5
5
,, 1 c c
, ,
. . .
. . .
. . . 5
5
„
· 0 1 c c .
, ,
. . .
. . .
. . . 5
(c ) Fœcal bacilli in 20 cc. and upwards.
(d ) Sporogenes milk test—in 20 cc.
(e) Vi bri os not present i n 100 cc.