NELLORE.
SAMPLES TAKEN—20TH NOVEMBER 1909.
REMARKS.—There was a small flow of water in the Pennar when the samples were taken. There has been about 14.46 inches of rain
since last analysis.
Bacteriological Analyses.
SAMPLE 1.—FROM THE RIVER BED OF NORTHERN PENNAR (UNTIL
TIRED WATER).
C o l o n y n u m b e r . La c t os e .
S a c o h a r o s e . Du l o 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 per cc. on agar at 37°—countless.
(b) Bile salt lactose, medium.
+
–
1 + – – – – + + I B. Grunthal .. .. Group I, 8.
2 + – – – – – ++ I
Do. ..
II, n i l .
3 + – – – – + – – I
?
.. .. ,, III, 1.
1 tube 20 cc. of water taken
.. .. 1
. .
4+ – – – – – ++ I B. Grunthal . . . .
,, IV, 1.
2 tubes 10 cc.
,, .. ..
2
. .
5+ + +– – + ++ I I I B. 78
.. ..
3 ,,5 cc.
,,
.. .. .. 3
. . 6 + – – – – – + + I B. Grunthal.
3 „ 1 cc. ,, .. .. ..
3
. .
7 + –– – – – ++ I
Do. .. .. Class I, nil.
3 „ .1 cc. ,, .. ..
. .
3
8 + – – –– – + + I
Do. .. .. „ II, 1.
3 ,,. 01 cc.
,, .. .. ..
..
3 9 + + – + – +++ I V B. 115
.. .. ,, III, 7.
(c) Fœcal bacilli in 1 cc. and upwards.
10 +
–
–
–
– – – –
I
B. Mutabilis
..
Undetermined 2.
SAMPLE II.—FROM THE COLLECTING WELL—FILTERED WATER.
1 ++ – + – +– – IV B. Lactis ærogenes .. Group I, nil.
(a) Total colonies per cc. on agar at 37°—countless.
2 +
+ – +– +– – I V
Do.
.. „ II, nil.
3 + ++++ ++ – III . B. Oxytocus perni
iosus.
„ III, 5.
(b) Bile salt lactose , medium.
+ –
4 ++ – + + ++ – IV B. 97 .. .. .. ..
,, IV, 5.
5 ++ + ++ ++ – III B. Oxytocus perni
ciosns.
1 tube 20 cc. of water taken
.. ..
1
. .
2 tubes 10 cc.,,
.. ..
2
. . 6 ++ + +– ++ – III
Do.
..
Class I, 6.
3 „ 5 cc. ,, .. ..
3
. . 7 + + + ++ +– III
Do.
. . ,, II, 3.
3 „ 1 cc.
,,
.. ..
3
. . 8 ++ – ++ – + – IV B. 101.. .. .. ,, III, nil.
3 „ .1c
c
. .
..
3
. .
9 ++ – ++ – + – IV
?
.. Undetermined 1.
3 ,,. 01 cc.
.. ..
3
. . 10 + + + + + + + – III B. Oxytocus perni
cious.
(c) Fœcal bacilli in .01 cc. and upwards.
SAMPLE III.—FROM A TAP IN EASTERN CORNER 2½ MILES FROM
HEAD WORKS. FOUNTAIN No. 3. NAVAPET.
1 +– – + – – ++ I. B. 1 .. .. .. Group 1, 10.
(a) Total colonies per cc. on agar at 37°—430.
2 +– – + – – + + I Do.
.. .. „ II, nil.
+
– 3 +– – + – – ++ I Do. .. .. .. ,, III, nil.
( b)Bi l e s a l t l a c t o s e , me d i u m.
4 +– – +– – ++ I ' Do.. .. . .
,, IV, nil.
5 +– – + – – + + I Do.
1 tube 20 cc. of water taken
.. .. 1 ..
6 ++–– + – – ++ I. Do.
2 tubes 10 cc.
,, .. 2 .. 7 +– – + – – + + I Do.
3 „ 5 cc.
.. .. 3 .. 8 +– – + – – + + I Do. .. .. .. Class I, nil.
3 ,, 1 cc.
.. .. ..
. . 3
9 + – – + – – + ++ I Do. ..
,,
I I , 1 0 .
3 ...1 cc.
.. ..
. . 3 10 +– – + – – ++ I Do. .. ..
,, III, nil.
3 „ .01 cc..
.
.
. .
3
(c) Fœcal bacilli in 5 cc. and upwards.
SAMPLE IV.—FROM A TAP IN SOUTHERN CORNER IN FRONT O
F DISTRICT COURT.—FOUNTAIN No. 52
1 + – – – – –+ – I B. Vesioulosus.
(a) Total colonies per cc. on agar at 37º—620.
2 + – – – – –+ – I
Do.
.. Group I, 9.
– + 3 + – – – – –– + –
Do.
..
,, II, 1.
(b) Bile salt lactose, medium.
4 + – + – – –+ – II B. Schafferi .. .. „ III, nil.
5 + – – – – – + – I B. Vesiculosus .. ,, IV, nil.
1 tube 20 cc. of water taken
.. .. 1
. . 6 + – – – – –+ – I
Do.
..
2 tubes 10 cc.
,, . .
. .
. . 2 7 + – – – – – + – I
Do.
.. Class I, 1.
3 „ 5 cc.
..
2
1 8 +– – – – –+ – I
Do.
.. „ II, nil.
3 „ 1 cc.. .. ..
. .
3 9 + ––– – – –+ – I
Do.
.. „ III, 9.
3 ,, .1 cc.
.. .. ..
3 10 + – – – – –+ – I
Do.
..
3 „ . 0 1 c c . , ,
. .
. .
. .
3
(c) Fœcal bacilli in 20 cc. and upwards.