504 
SKDGWICK AND WINbLOW. 
BACILLUS OF TYPHOID FEYER 
Race B. 
Series L 
Race A. 
Series I. 
of Tube. 
13! 
134 
1 3.1 
136 
137 
in 
112 
111 
115 
146 
147 
Average Number Burteria per c.c 
Unfrozen Water. 
14041)0 
505 
10G40 
12:590 
3Ur,r> 
273105 
17745 
112770 
254205 
157815 
721.35 
302715 
141750 
17360 
Th.iwed Ice. 
51450 
10 
11410 
6965 
165 
87885 
9870 
63000 
105840 
92610 
42490 
302715 
45990 
21735 
Reduction 
per oent. 
63.4 
98.0 
0.0 
43.8 
99.5 
67.8 
44.4 
44.1 
58.4 
41.3 
41.1 
0.0 
67.6 
0.0 
ivcrage 
47.8 
Tubes 131 138, cooled ilown to l°r. in \\ liours, April 
25, 1808. Kept at that temperature for \ hour more. 
Tubes 141-147, cooled down to 1° C. in 1| hours, April 
21), 1898. Kept at that temperature for \ liour more. 
Number 
of Tube. 
131 
132 
133 
131 
135 
136 
137 
138 
139 
140 
141 
142 
143 
144 
145 
146 
147 
148 
149 
150 
Average Number Bacteria per c.c. 
Unfrozen "Water. 
Thawed Ice. 
1946 
1610 
1848 
1571 
1370 
1291 
123'^ 
874 
892 
1022 
4095 
260 
205 
270 
40 
215 
290 
225 
215 
80 
1690 
1001 
1105 
1183 
1155 
1505 
1438 
962 
1473 
1051 
5 
50 
90 
55 
5 
145 
275 
140 
120 
75 
Reduction 
per cent. 
13.2 
37.8 
37.0 
24.7 
IG.l 
0.0 
0.0 
0.0 
0.0 
0.0 
99.9 
80.8 
56.1 
79.G 
87.5 
32.6 
5. 
37.8 
44.2 
6.3 
Average 32.9 
Tubes 131-140, cooled down to 0°, without freezing, and 
kept at that temperature for U hours. Date, December 
29, 1898. 
Tubes 141-150, cooled down ioQP, without freezing, and 
kept at that temperature for U hours. Date, January 2, 
1899. 
Race C. 
Series I. 
Nitmber 
oi Tube. 
121 
122 
123 
124 
125 
126 
127 
128 
129 
130 
131 
132 
133 
134 
135 
136 
137 
13S 
130 
140 
A 
vernge 
Average Number Bacteria per c.c. 
Unfrozen TTater. 
55125 
244755 
66465 
62685 
211050 
269955 
103005 
105840 
67725 
23100 
139860 
76545 
58275 
219135 
82530 
84105 
1290 
30030 
55,30 
Thawed Ice. 
14910 
217350 
11045 
59010 
32760 
75915 
7385 
8085 
20685 
4725 
9660 
3675 
6580 
23205 
3675 
3150 

2105 
860 
640 
Tubes 121-130. cooled down 
at that temperature (not frozen) 
Tubes 131-140, cooled down 
at that temperature (not frozen) 
Reduction 
per cent. 
73.0 
11.2 
83.4 
5.9 
84.5 
71.9 
92.8 
92.4 
69.5 
79.5 
93.1 
95.2 
88.7 
89.4 
95.6 
96.3 
100.0 
94.6 
97.1 
88.4 
80.1 
to Qo in \ hour, February G, 1899 ; 
for three hours. 
to 0° in \ hour, February 7,1899: 
for 3 lionrs. 
I 
kept 
kept 
