265 
Table showing the number of organisms and percentage of gas production in cold-storage 
ice cream . 
Group 
No. 
Serial number of sample. 
Days in 
storage. 
Bacteria per 
cubic centi- 
meter. 
Percent- 
age of 
gas. 
Percent- 
age of 
gas, du- 
plicate. 
(401 
0 
. 16,000,000 
25 
25 
429 
3 
25,000,000 
45 
35 
433 
6 
21,000, 000. 
30 
30 
440 
9 
27, 000, 000 
20 
30 
484 
11 
18, 000, 000 
25 
25 
489 
14 
3, 000, COO 
25 
20 
1 
542 
17 
6,000,000 
30 
35 
538 
20 
13,000,000 
30 
25 
546 
23 
20, 000, 000 
20 
25 
555 
27 
185, 000, 000 
20 
20 
564 
30 
8, 000, 000 
15 
10 
568 
34 
3,000,000 
20 
20 
[404 
0 
85, 000, 000 
25 
25 
430 ] 
3 
175,000,000 
5 
5 
434 
6 
38, 000,000 
0 
0 
441 
9 
48, 000, 000 
30 
0 
485 
11 
18, 000, 000 
0 
0 
2 
490 
14 
9,000, 000 
0 
0 
17 
9, 000, 000 
0 
0 
539 
20 
70,000,000 
0 
0 
547 
23 
19, 000, 000 
0 
0 
27 
125, 000, 000 
A 
0 
30 
10, 000,000 
0 
0 
569 
34 
11, 000, 000 
0 
0 
(403 
0 
135, 000,000 
25 
25 
431 
3 
195,000, 000 
30 
20 
435 
6 
138, 000, 000 
20 
30 
442 
9 
145, 000, 000 
30 
40 
486 
11 
115, 000, 000 
40 
25 
3 
491 
14 
39,000,000 
2 
8 
544 : 
17 
35,000,000 
9 
10 
20 
93, 000, 000 
1 
0 
548 
23 
97, 000, 000 
5 
5 
557 
27 
385, 000, 000 
18 
0 
566 
30 
1 50, 000, 000 
18 
0 
34 
28,000,000 
0 
0 
(402 
0 
53,000,000 
25 
10 
432 
3 
j 95, 000, 000 
18 
20 
436 
6 
47, 000, 000 
25 
15 
443 
9 
75,000,000 
10 
20 
487 
11 
54,000, 000 
15 
1 
4 
492 
14 
7, 000, 000 
1 
0 
! 
545 
17 
27, 000, 000 
9 
20 
541 
20 
95,000,000 
0 
0 
549 
23 
49, 000, 000 
1 
0 
558 
27 
205, 000,000 
5 
0 
567 
30 
30,000,000 
0 
0 
571 
34 
9,000,000 
12 
0 
