121
TRICHINOPOLY.
SAMPLES TAKEN-13TH JULY 1909.
REMARKS.—There has been 7.94 inches of rain since last report. The river Cauvery is in high floods.
Bacteriological Analyses.
SAMPLE I.—FROM THE RIVER BED.
C o l o n y N o .
G l u c o s e . 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 . 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 .
Bacillus.
Group and
Remarks.
(a) Total colonies on agar at 37°—1,890.
(b) Bile salt lactose, medium.
+ —
1 tube 20 cc. of water taken .. .. 1 ..
" . .
. . 2
..
1 + +- - - - - + + I B. Grunthal .. Group I, 2.
10 cc.
2 tubes
4 . . 2 + + - - - - - + + I Do.
. . " II, nil.
" .. ..
5 cc.
4 "
5 .. 3 + + + — — - — + - IV B. Coscoroba . . " III,nil.
"
. .
. .
1 c c .
"
5
5
. . 4 + + + — — - - + - IV
Do.
. . " IV, 8
" .. ..
5 "
. 1 c c .
3
2 5 + +
++ - - - - + - IV. Do.
..
"
.. ..
5 " . 0 1 c c .
6 + ++ - - - - + + I V 106
. .
. .
. .
,,..„
7 + ++ - - - - + - I V B. Coscoroba
. .
(c) Fœcal bacilli in .01 cc. and upwards.
8 + ++ — — - — + + IV 106 .. .. ..
9 + + + — — - — + + IV 106 .. .. _
( d) No vibrios in 2 cc. or 100 cc.
10 + + + — — - — + - IV B. Coscoroba ..
(e) Glucose fermenters in .01 cc. and upwards.
SAMPLE II.—FROM THE FIRST TAP IN THE HEADWORKS AFTER
INFILTRATION GALLERY.
(a) Total colonies on agar at 37°—320.
1 ++ + - + - + - - IV B. Lactis ærogenes.. Group I,
(b) Bile salt lactose, medium.
+ - 2 ++ + - + - + — - IV
Do.
. . " II, nil.
3 + + + — + — + - - IV
Do.
. . " III, nil.
4 ++ + - + — + - - IV
Do.
..
" IV, 10.
1 tube 20 cc. of water taken .. .. 1 . . 5 ++ + - + - + - - IV
Do.
..
2 tubes 10 cc.
" . .
. . 1 1 6 ++ + -
++ - + - - IV
Do.
..
4 " 5 cc.
" . .
. . 4 . . 7 ++ + - + - + - - IV
Do.
. .
5 " 1 cc.
" . .
. . 2 3 8 + ++ + — + — + - - IV
Do.
. .
5 "
. 1 c c .
" .. ..
1 4 9 ++ + — - — + - + IV,
. .
B. Cloac
æ . .
5 "
. 0 1 c c . "
. .
. . . . 5 10 ++ + - - - + - - IV
(c) Fœcal bacilli in 5 cc. and upwards.
( d) No vibrios in 2 cc. or 100 cc.
(e) Glucose fermenters in .1 cc and upwards.
SAMPLE III.—FROM THE TAP TO THE SOUTHERN CORNER OF
TEPPAKULAM NEAR CLIVE'S HOUSE.
(a) Total colonies on agar at 37°—120.
+ —
(b) Bile salt lactose medium.
1 +++ - - + - - - IV ?
Group I , 5.
2 +++ - - - - + - IV B. Coscoroba .. " II.
1 tube of 20 cc.of water taken .. . . 1 . . 3 +++ -
+ — + — - IV B. Lactis ærogenes.. " III, nil.
2 tubes 10 cc.
" . .
. . 2 . . 4 +++ -
+ - - + - IV 101 . . .. .. " 1V, 5.
4 „ 5 cc.
"
.. ..
4 . . 5 ++- - - - - + - I B. Vesiculosus ..
5 " 1 cc.
" . .
. . 2 3 6 + + - - - - - + - I Do.
. .
5 " .1 cc.
" . .
. . .. 5 7 + + - - - - - + - I Do.
. .
5 " .01 cc.
" . .
. . .. 5 8 + + - - - - - + - I Do.
. .
9 + + - - - - - + - I Do.
. .
( c) Fœcal bacilli in 5 cc. and upwards.
10 + + + - - - - + - IV B. Coscoroba
. ..
( d) No vibrios in 2 cc. or 100 cc.
(e ) Glucose fermenters in .1 cc, and upwards.
S A M P L E I V . — F R O M A T A P A T T H E J U N C T I O N O F T H E P U D U K K O T T A I
AND TRICHINOPOLY JUNCTION ROAD.
+
- 1 + + + - + - + - - IV B. Lactis ærogenes. Group I, 7.
(a ) Total colonies on agar at 37°—210.
2 +
+ - - - - - + - I B. Vesiculosus .. " II, nil.
(b ) Bile salt lactose, medium.
3 + ++ — - - - + - IV B. Coscoroba .. " III, nil.
1 tube 20 cc. of water taken .. . . 1 . . 4 + +- - - - - + - I B. Vesiculosus .. " IV, 3.
2 tubes 10 cc.
" . .
. . 2 . . 5 + +- - - - - + - I
Do.
. .
4 " 5 cc.
" . .
. . 4 .. 6 + + - - - - - + - I
Do.
. .
5 " 1 cc.
1
" . .
. . 5 . 7 + ++ - + - - - - IV B. Gasoformans ..
5 "
. 1 c c .
" . .
. . .. 5 8 + + - - - - - + - I B. Vesiculosus ..
5 " .01 cc.
" . .
. . .. 5 9 + + - - - - - + - I
Do.
. .
( c ) Fœcal bacilli in 1 cc. and upwards.
10 + + - - - - - + - I
Do.
..
(d) No vibrios in 2 cc. or 100 cc.
(e) Glucose fermenters in .01 cc. and upwards.
31