4 BULLETIN 563, U. S. DEPARTMENT OF AGRICULTURE. 
Table I. — Bacteria per cubic centimeter in 198 samples from twenty-two 1-gallon lots oj 
commercial ice cream obtained from different manufacturers. 
Plant 
No. 
Lot. 
Sam- J 
pie 1 Flavor. ' Dilution. 
No. 
Number of 
colonies on 
duplicate 
plates. 
Average 
count 
per 0. c. 
1 
A (fat 9.5 per cent, gelatin + ) . . . 
1 
Vanilla 
r*hn> 243 
229 
2,360,000 
2 
219 
198 
2,085,000 
3 
242 
243 
2,425,000 
4 
231 
245 
2,380,000 
5 
250 
2,500,000 
6 
264 
""233* 
2,485,000 
7 
230 
2,300,000 
8 
243 
"245* 
2,440,000 
9 
271 
235 
2,530,000 
1 
B | 1 
Chocolate... 
rcw5 
45 
46 
455,000 
2 
40 
49 
445,000 
3 
50 
47 
485,000 
4 
67 
40 
535,000 
5 
52 
47 
495,000 
6 
60 
43 
515,000 
7 
42 
48 
450,000 
8 
49 
45 
470,000 
9 
57 
60 
585,000 
C 1 
Peach 
•nrtanr 
153 
1,495,000 
2 
160 
150 
1,550,000 
3 
137 
155 
1,460,000 
4 
148 
145 
1,465,000 
5 
140 
156 
1,480,000 
6 
170 
151 
1,605,000 
7 
153 
155 
1,540,000 
8 
154 
148 
1,510,000 
9 
154 
166 
1,600,000 
D ... 1 
Vanilla 
Tooo 
24 
26 
25,000 
24,000 
2 
23 
25 
3 
80 
80,000 
4 
20 
"*"32" 
26,000 
5 
20 
20 
20,000 
6 
30 
22 
26,000 
7 
40 
40,000 
8 
25 
"""26 
25,500 
9 
25 
27 
26,000 
E 
1 
Vanilla 
, 
64 
79 
7,150 
2 
... 
117 
11,700 
3 
120 
"'*96' 
10,800 
4 
109 
118 
11,350 
5 
95 
118 
10,650 
6 
102 
10,200 
7 
138 
""97* 
11,750 
8 
77 
7,700 
9 
1 131 
*"i29* 
13,000 
2 A 1 Vanilla 
tbtsJbtso 
25 
62 
43,500,000 
2 
44 54 
49,000,000 
3 
54 46 
50,000,000 
4 
53 
47 
50,000,000 
5 
59 
59,000,000 
6 
58 
'54' 
56,000,000 
7 
67 
55 
61,000,000 
8 
50 
59 
54,500,000 
9 
59 
55 
57,000,000 
B 1 
Chocolate... 
1 OOoOOO 
217 
218 
217,500,000 
2 
212 
193 
201,500,000 
3 
186 
186,000,000 
4 
233 
"2i7' 
225,000,000 
5 
204 
195 
199,500,000 
6 
204 
184 
194,000,000 
7 
187 
174 
180,500,000 
8 
203 
200 
201,500,000 
192 i 184 
188,000,000 
