102
VIZAGAPATAM.
WATER SAMPLES TAKEN—10TH & 11TH DECEMBER 1911.
REMARKS.—There has been about 9.32 inches and 11 of rain since last analysis. The town supply is constant. The level of water
in tank is about 10.45 feet.
Bacteriological Analyses.
S A M P L E I . — T A N K O R R E S E R V O I R .
N u m b e r . 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 .
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37° C.—650.
Bile salt lactose, medium.
+
-
1 tube of 20 cc. . . .
1
. . .
1 + - - + - - + -
I B. Acidi lactici . . . Group I, 10.
1
1
2 tubes of 10 cc. . . .
2 + - - + - - + -
I
Do. . . .
" II, nil.
2
1
3 " 5 cc. . . .
3 + - - + - - + -
I
D o . . . .
" III, nil.
2
1
3 " 1cc. . . .
4 + - - + - - + -
I
D o . . . .
" IV,
n i l
.
3 " .1 cc. . . .
. . .
3
5
+ -
- +
- - + -
I
D o . . . .
3 " .01 cc. . . .
. . .
3
6 + - - + - - + +
I B. 1.
7 + - - + - - + -
I B. Acidi lactici.
Fœcal bacilli in 5 cc. and upwards.
8 + - - + - -
+ -
I
Do. . . .
Class I, nil.
- - + - - + -
I
Do. . . .
" I I , 1 0 .
9
+
No vibrios in 100 cc.
10
+ - - + - - + -
I
Do. . . .
" III, nil.
SAMPLE II.—FIRST TAP AFTER FILTRATION.
1 +
+
- +
- +
- - IV B. Lactis ærogenes.
Group I, nil.
Total colonies per cc. on agar at 37° C.—560.
2 +
+ -
+ -
+ - - IV
D o . . . .
" II, nil.
3 + + - + - + - - IV
D o . . . .
" III, nil.
4 + + -
+ -
+ - - IV
D o . . . .
" IV, 10.
Bile salt lactose, medium.
+
-
5 + + - + - + - - IV
D o . . . .
6 + + - + - + - - IV
D o . . . .
7 + + - + - + - - IV
D o . . . .
1 tube of 20 cc. . . .
1 . . .
8 + + - + - + - - IV
D o . . . .
Class I, nil.
9
+ + -
+ -
+ - - IV
D o . . . .
" II, 10.
2 tubes of 10 cc. . . .
2
. . .
10 + + - + - + - - IV
D o . . . .
" III, nil.
3 " 5 cc. . . .
3
. . .
3 " 1 cc. . . .
. . .
3
3 " .1 cc. . . .
1
2
3 " .01 cc. . . .
. . .
3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—TAP NEAR BEACH.
1 + + - + - + - - IV B.Lactis ærogenes.
2 + + + + - + - - III B. 67 . . . Group I, nil.
Total colonies per cc. on agar at 37° C.—450.
+
-
3 + + + + - + - - III B. Lactis ærogenes.
" II, nil .
4 + + + + - + - - III
D o . . . .
" III, 9.
Bile salt lactose, medium.
5 + + + + - + - - III
D o . . . .
" IV, 1.
6 + + + + - + - - III
D o . . . .
1 tube of 20 cc. . . .
1
. . .
7 + + + + - + - - III
D o . . . .
2
. . .
8 + + + + - + - - III
D o . . . .
Class I, nil.
2 tubes of 10 cc. . . .
3 " 5 cc. . . .
3
. . .
9
+ + + + -
+
- III
D o . . . .
" II, 10.
3 " 1 cc. . . .
3
. . .
10 + + + + - + - - III
D o . . . .
" III, nil.
3 " .1 cc. . . .
1
2
3 " .01 cc. . . .
1
2
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—TAP NEAR RAILWAY STATION COMPOUND.
1 + + - - - + - - IV B. 112 . . . Group I, nil .
Total colonies per cc. on agar at 37 C.—340.
2 + + - - - + - - IV
Do. . . .
" II, nil.
3 + + - - - + - - IV
Do. . . .
" III, nil.
Bile salt lactose, medium.
+
-
4 + + - - - + - - IV
Do. . . .
" I V , 1 0 .
5 + + - - - + - - IV
Do. . . .
6
+ + - - -
+ - - IV
Do. . . .
1 tube of 20 cc. . . .
1
. . .
+
- - IV
Do. . . .
7 + +
- -
-
8 + + - - - + - - IV
Do. . . .
Class I, nil.
2 tubes of 10 cc. . . .
2
. . .
9 + + - - - + - - IV
Do. . . .
" II, nil.
3 " 5 cc. . . .
3
. . .
10 + + - - - + - -
I V Do. . . .
" I I I ,
n i l
.
3 " 1 c c . . . .
. . .
. . .
Undetermined, 10.
3 " .1 cc. . . .
. . .
3
3 " .01 cc. . . .
3
. . .
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.