107
COCANADA.
WATER SAMPLES TAKEN—31sT MAY 1910.
REMARKS.—Sample was not taken from the Samalkota canal, as the canal was dry. The supply is intermittent.
There has been about 0 . 41 inch of rain since last analysis.
Bacteriological Analyses
SAMPLE I.—STORAGE TANK--UNFILTERED WATER.
Col ony number.
L a c t o s e .
S a c c h a r o s e .
D u l c i t e .
Adoni te.
Inlin.
V o g a s a n d P r o s k .
I ndol .
Motility.
Group.
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37°—60.
Bile salt lactose, medium.
+
—
1 tube of 20 cc. of water taken ..
. .
. .
1
1
+
+
+ — — +
—
—
I I I B. 75
• •
• •
Group I, nil.
2 tubes of 10 cc.
, , ,,
,,
2
. . 2 + +
-+ — — + — — I I I Do.
II, nil.
3 5 cc,,..
...
. . 3
3 + + + — — + —— I I I Do.
III, 7.
3,, 1 cc.
,,
..
.
. .
3
4 + + + — — — —— III
?
..
.. ,,
I V , 3
, , . 3 , , · 1 c c
..
3
5 + + + — — + —— I I I B. 76.
3
„
• 01 cc.
.. .. ..
. .
3
6 + +
+ — — + —— I I I Do.
7 + + — — — — — + IV B. 109
• •
• • Class I, nil.
Fœcal bacilli in 10 cc. and upwards.
8 + + + — — + —— III. B. 75
II, 1.
9 + + — + — + —— IV B. Laotis ærogenes.
III. 8•
No vibrios in 100 cc.
10 + + — — — — —— + IV B. 109
..
.. Undetermined, l.
SAMPLE II—FILTERED WATER FROM THE NEW FILTER BED. 1 +
+
— + — + — + IV B. 102
..
.. Group I, nil.
2
+ + —
+ — + — + IV Do.
..
•
,,
III, nil
3 + + — + — + — + IV Do.
IV, 10.
4 + + — — — ± — +
I V B. Cloacæ .. ..
„
Total colonies ler cc. on agar at 37°—630.
5
+ +
—
+ — +
—
+
I V
B
Do102..
+
— 6 + + — + — + — +
I V
Do.
Class
nil.
Bile salt lactose, medium.
. .
7 + + — — — + — +
I V B. Cloacæ ..
..
I I , 8 . ,
1
. .
8 + + — + — + — + IV B. 102
III, 2.
1 tube of 20 cc. of water taken ..
..
2
. .
9 + + — + — + — + IV Do.
..
2 tubes of 10 cc.
..
. •
2
. .
10 +
-+ — + — + — +
I V Do.
..
• .
. , , 5 c c 2
1
3 , , 1 c c
2
1
3 , , · 1 c c .
. .
3
3 ,,
01 cc...
• •
. ,
. .
3
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III —FILTERED WATER BROM THE OLD FILTER BED. 1 +
+ — —
— + — + IV B. Cloacæ ..
• • Group I, nil.
2 + + — — — +
-—
+ IV
Do.
..
II, nil.
Total colonies per cc. on agar at 37°—4,410.
3
+ + — — — + — + IV
Do
..
• •
,,
III, 2.
4 +
+ + — — + + + III B. 78
IV, 8.
5 + + — — — + — + IV B. Cloacæ.
Bile salt lactose, medium.
+
—
6 + + — — — +
+ IV
Do.
7 + +
— + — + — + IV B. 102
Class I, nil .
8 + + + — — + — +
I I I B. 73
II, 1.
1 tube of 20 cc. of water taken ..
. .
1
..
9 + +
— — — + — + IV B. Cloacæ .. ..
„ III, 8.
2 tubes of 10 cc.,, . .
. .
2
..
10 + + — — —
+ — + IV
Do.
...
.. Undetermined, 1.
3 ,, 5 cc.,
3
. .
31 cc.
. .
3
. .
3 ,,„
· 1
c c .
• . .
. .
,
2
1
3 „ · 0 1 c c .
2 1
Fœcal bacilli in ·01 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV. — PILLAR FOUNTAIN NEAR PORT RAILWAY STATION. 1
+ + — + — + — — IV B. Lactis ærogenes .. Group I, nil.
Total colonies per cc. on agar at 37°—70.
2 + + — + — + — — IV
Do.
. . ,,
II, nil.
3 + + — + — + — — IV
Do.
. . .. III, nil .
4 + + — + — + — — IV
Do.
. . ..
1V, 10.
+
—
5 + + — + — + — — IV
Do.
. .
Bile salt lactose, medium.
6 + + — + —
+ — — IV
Do.
7 + + — + — — — — IV B. Gasoformans
.. Class I, nil.
1 tube of 20 cc of water taken. ..
..
. . 1
8
+ +
-—
+ — — — —
I V
Dn.
. . ,, II, 10.
2 tubes of 10 cc.
,, .. .. 2
..
g +
±
— + — + — — V B. Lactis ærogenes ...
III, nil.
3 ..
5 cc...
..
2
1
10 + + — + — + — + I V B. 102.
3 ,,1 cc
..
3
3 , , · 1 c c
..
3
3 „ · 0 1
c c .
. .
. .
. . 3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in. 100 cc.