40
TRIOHINOPOLY.
WATER SAMPLES TAKEN—16TH JULY 1911.
REMARKS.—The river Cauvery was in high flood when samples were taken. The supply is intermittent. There has been about 4.06
inches of rain since last analysis.
Bacteriological Analyses.
S A M P L E I . — F R O M T H E R I V E R B E D O F T H E C A U V E R Y .
Number . L a c t o s e .
S a c c h a r o s e
Du l c i t e . Ad 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 .
Indol
Mot 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.—47,540.
Bile salt lactose, medium.
+
-
1 tube of 20 cc.
...
...
...
...
1
. . .
1
+ - + - - - + + II B. Colicommunis ... Group I, nil.
2 tubes of 10 cc.
...
...
...
...
2
. . .
2
+ + - - - - + - IV B. Cosooroba
...
„ II,4.
3 „ 5cc ...
...
. . .
...
3
. . .
3
+ + - - - - + - IV
Do.
. . .
„ I I I , 1.
3 „ 1 cc.
...
...
...
3
. . .
4 + - + - - - - + + II B. Colicommunis ... „ IV, 5.
3 „ .1cc.
...
...
...
3
. . .
5
+ - + - - - + + II
Do.
3 „ .01cc.
...
...
...
. . . 3
6 + + - - - - + - IV B. Cosooroba.
Real bacilli in '1 cc. and upwards. '
7
+ + + - - + - - III B.75.
8 + + - - - - + + IV B. 106
...
... Class I, 4.
9
+ + - - - - + - IV B Cosooroba
... „ II, 5.
No vibrios in 100 cc.
1 0 + - + - - - + + II B. Colicommunis ...
„ III, 1.
SAMPLE II.—FIRST TAP IN HEAD WORKS OF THE INFILTRATION
GALLERY.
1 + + - + - + - - IV B. Lactis ærogenes ... Group I, nil.
Total colonies per cc. on agar at 37° C.—890.
2 + + - + - + - - IV
Do.
...
„ II, nil.
3 + + - + - + - - IV
Do.
...
„ III, nil.
4 + + - + - + - - IV
Do.
...
IV, 10.
Bile salt lactose medium.
+
-
5 + + - + - + - - IV
Do.
6 + + - + - + - - IV
Do..
7 + + - + - + - - IV
Do.
1 tube of 20 co. ...
...
...
...
. . .
8 + + - + - + - - IV
Do.
... Class I, nil.
9 + + - + - + - - IV
Do.
„ I I , 1 0 .
2 tubes of 10 cc. ...
...
...
...
2
. . .
10 + + - + - + - - IV
Do.
... „ III, nil.
3 „ 5cc. ...
...
. . .
1
3 „ 1 cc. ... ... ... ...
. . .
3
3 „ .1 cc. ...
...
...
...
)3
1
2
3 „ .01 cc. ...
...
...
..
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP TO THE SOUTHERN CORNER OF TEPPAKULAM
NEAR CLIVE'S HOUSE.
1 + + - + - + - - IV B. Lactis ærogenes ... Group I, nil.
2 + + - + - + - - IV
Do.
„ I I ,
n i l .
TOTAL colonies per cc. on. agar at 37° C.—3,420.
3 + + - + - + - - IV
Do.
„ III, nil.
4
+ + - + - + - - IV
Do.
„ IV, 10.
Bile salt lactose, medium.
+
-
5 + + - + - + - - IV
Do.
6
+ + - + - + - - IV
Do.
7 + + - + - + - - IV
Do.
8
+ + - + - + - - IV
Do.
... Class I, nil.
1 tube of 20 cc. ...
...
...
1
. . .
9 + + - + - + - - IV
Do.
. . . „ II, 10.
2 tubes of 10 cc. ...
...
...
...
1
1
1 0 + + - + - + - - IV
Do.
...
„ III, nil.
3 „ 5cc. ...
. . .
2
1
3 „ 1 cc. ...
...
...
...
1
2
3 „ .1cc
...
. . .
1
2
3 „ .01 cc. ...
...
...
...
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—TAP NEAR RAILWAY STATION.
1 + + - + - + - - IV B. Lactis ærogenes ... Group I, nil.
Total colonies per cc. on agar at 37° C.—1,650.
2 + + - + - + - - IV
Do.
. . .
„ II, nil.
3 + + - + - + - - IV
Do.
. . .
„ III, 4.
Bile salt lactose, medium.
+
-
4 + + - + - + - - IV
Do.
. . .
„ IV, 6.
5 + + - + - + - - IV
Do.
6 + + - + - + - - IV
Do.
1 tube of 20 cc.
...
... ...
1
. . .
7 + + + + - + - - Ill B.67.
8 + + + + - + - - III Do.
...
. . . Class I, nil.
2 tubes of 10 cc. ...
...
...
..
2
. . .
9 + + + + - + - - III Do.
„ I I , 1 0 .
3 „ 5 cc.
...
. . .
...
. . .
10 + + + + - + - - III Do.
...
..
„ III, nil.
3 „ 1 c c .
. . .
. . .
. . .
3 „ .1 cc.
. . . . . .
...
2
1
3 „ .01 cc.
...
. . .
...
1 2
Faecal bacilli in .1 cc. and upwards.
No vibrios in 100 cc.