EXPERIMENT II—(SECOND SERIES).
Effect of Storage and Sunlight on Adyar water.
Date and time of collection of samples.
Covered tank.
Open tank.
6 inches from surface.
Middle.
1 1/2 feet from the
bottom.
6 inches from surface.
Middle.
1 1/2 feet from the
bottom.
Total colonies
per c. c. on agar at 37º c.
Lactose fer-
menters pre-
sent in how
many c.c.?
Total colonies
per c.c. on
agar at 37º c.
Lactose fer-
menters pre-
sent in how
many c.c.?
Total colonies
per c.c. on
agar at 37º c.
Lact ose fer-
ment ers pre-
sent in how
many c.c.?
Total colonies
per c.c. on
agar at 37º c.
Lactose fer-
menters pre-
sent in how
many c.c.?
Total colonies
per c.c. on
agar at 37º c.
Lact ose fer-
ment ers pre-
sent i n how
many c. c. ?
Total colonies
per c.c. on
agar at 37º c.
Lactose fer-
ment ers pre-
sent in how
many c.c.?
8th August 1919 ...
7-30 a.m. ...
... Countless.
0.1 c.c.
Countless. 0.01 c.c.
Countless. 0.01 c.c.
Countless.
0.1 c.c.
Countless.
0.1 c.c.
Countless. 0.01 c.c.
12-15 p.m. ...
...
Do.
0.1 c.c.
Do.
0. 1 c.c.
Do.
0.01 c.c.
Do.
0.1 c.c.
Do.
0.01 c.c.
Do.
0.01 c.c.
5 p.m.
...
...
1,760
1 c.c.
2,100
0. 1 c.c.
2,250
0.1 c.c.
1,700
1 c.c.
1,800
1 c.c.
2,120
0.1 c.c.
7-30 a.m. ....
...
2,400
0.1 c.c.
1,950
1 c.c.
2,700
0.l c.c.
1,210
1 c.c.
1,530
1 c.c.
2,700
0.1 c.c.
9th August 1919 ... 12-15 p.m. ...
...
1,480
1 c.c.
1,240
1 c.c.
3,100
0.1 c.c.
940
5 c.c.
1,600
1 c.c.
2,950
01 c.c.
5 p.m.
...
...
1,510
1 c.c.
1,340
1 c.c.
Countless.
0.1 c.c.
1,100
5 c.c.
1,680
1 c.c.
1,990
0.1 c.c.
7-30 a.m. ...
...
860
5 c.c.
1,100
1 c.c.
1,380
1 c.c.
860
5 c.c.
1,200
1 c.c.
1,960
0.1 c.c.
10th August 1919 ... 12-15 p.m. ...
...
750
5 c.c.
610
5 c.c.
1,900
0.1 c.c.
610
5 c.c.
480
5 c.c.
1,200
1 c.c.
5 p.m.
...
...
810
1 c.c.
650
5 c.c.
1,300
0.1 c.c.
550
5 c.c.
690
1 c.c.
1,280
1 c.c.
7-30 a.m. ...
...
550
1 c.c.
610
1 c.c.
1,100
0.1 c.c.
710
1 c.c.
550
1 c.c.
2,800
01 c.c.
11th August 1919 ... 12-15 p.m. ...
...
280
10 c.c.
340
5 c.c.
900
1 c.c.
510
5 c.c.
450
5 c.c.
5,800
0.1 c.c.
5 p.m.
...
...
430
5 c.c.
410
10 c.c.
830
1 c.c.
320
10 c.c.
540
5 c.c.
2,400
1 c.c.
7-30 a.m. ...
...
480
5 c.c.
410
5 c.c.
920
1 c.c.
610
5 c.c.
320
5 c.c.
940
1 c.c.
12th August 1919 ... 12-15 p.m. ...
...
510
5 c.c.
380
5 c.c.
860
1 c.c.
350
5 c.c.
280
1 c.c.
960
1 c.c.
5p.m.
...
...
520
5 c.c.
590
1 c.c.
680
1 c.c.
210
5 c.c.
190
5 c.c.
1,240
1 c.c.
7-30 a.m. ...
...
430
5 c.c.
410
5 c.c.
640
1 c.c.
440
5 c.c.
380
5 c.c.
960
1 c.c.
13th August 1919 ... 12-15 p.m. ...
...
380
5 c.c.
290
5 c.c.
910
1 c.c.
250
5 c.c.
170
5 c.c.
530
5 c.c.
5 p.m.
....
...
510
5 c.c.
240
5 c.c.
730
5 c.c.
230
5 c.c.
200
5 c.c.
780
1 c.c.
7-30 a m. ...
...
480
5 c.c.
450
5 c.c.
620
1 c.c.
450
5 c.c.
420
5 c.c.
680
1 c.c.
14th August 1919 ... 12-15 p.m. ...
...
360
5 c.c.
210
10 c.c.
780
1 c.c.
290
10 c.c.
180
20 c.c.
440
5 c.c.
5 p.m.
...
...
220
10 c.c.
310
10 c.c.
690
5 c.c.
135
60 c.c.
190
30 c.c.
340
10 c.c.
7-30 a.m. ...
...
240
20 c.c.
310
20 c.c.
650
5 c.c.
180
15 c.c.
110
30 c.c.
520
10 c.c.
15th August 1919 ... 12.-15 p.m. ...
...
195
20 c.c.
250
20 c.c.
470
5 c.c.
270
20 c.c.
195
20 c.c.
1,100
10 c.c.
5 p.m.
...
...
240
20 c.c.
180
33 c.c.
600
5 c.c.
310
20 c.c.
170
60 c.c.
1,640
5 c.c.
7-30 a.m. ...
...
320
10 c.c.
185
20 c.c.
650
5 c.c.
280
20 c.c.
170
20 c.c.
1,650
5 c.c.
16th August 1919 ... 12-15 p.m. ... . . .
. . .
150
30 c.c.
235
20 c.c.
650
5 c.c.
290
60 c.c.
230
60 c.c.
730
10 c.c.
5 p m.
...
...
370
20 c.c.
140
20 c.c.
190
15 c.c.
190
—60 c.c.
230
—60 c.c.
460
20 c.c.
7-30 a.m. ...
...
520
60 c.c.
410
20 c.o.
480
10 c.c.
170
20 c.c.
90
60 c.c.
1,870
1 c.c.
17th August 1919 ... 12-15 p.m. ...
...
350
—60 c.c.
280
20 c.c.
900
10 c.c.
190
20 c.c.
115
—60 c.c.
970
20 c.c.
5 p.m.
...
...
350
20 c.c.
410
30 c.c.
760
5 c.c.
225
20 c.c.
300
60 c.c.
1,200
10 c.c.
7-30 a.m. ...
...
250
20 c.c.
210
20 c.c.
940
1 c.c.
Crowded.
20 c.c.
240
60 c.c.
960
10 c.c
18th August 1919 ... 12-15 p.m. ... ...
190
30 c.c.
250
30 c.c.
680
10 c.c.
170
30 c.c.
210
20 c.c.
1,100
5 c.c.
5 p.m.
...
...
340
20 c.c.
130
30 c.c.
610
10 c.c.
180
60 c.c.
270
20 c.c.
380
5 c.c.
16