SEDGWICK AND WINSLOW. 
BACILLUS OF TlTIIOID FEVER. 
49Z 
Race A. 
Series V. 
Hack A. 
bh:nn> \l. 
Number 
of Tube. 
HI 
173 
171 
175 
176 
177 
178 
191 
192 
193 
194 
195 
196 
197 
198 
Average Number Bacteria per c.c. 
Unfrozen Water. 
G2S425 
5355 
520380 
3551)50 
354C90 
206010 
474390 
402020 
3365 
3300 
103320 
133875 
348655 
40 
214200 
169155 
Thawed Ice. 
48090 
2040 
8610 
122535 
36540 
19775 
4000 
15 
40 
30 
275 
315315 
70 
350 
64575 
Rednction 
per cent. 
92.3 
61.9 
98.3 
65.6 
89.7 
90.4 
99.0 
99.5 
98.8 
99.9+ 
99.8 
9.6 
0.0 
99.8 
61.8 
Average 77.8 
Tubes 171-178, frozen May 9, 1898, in 2 liours ; thawed 
same day, after 6 hours. 
Tubes 191-198, frozen INIay 13, 1898, in 21 liours ; thawed 
eanie day, after 6" hours. 
Number of 
Tube. 
Average NimiTwr 
r.,i(*!rria jHi <■ .i... 
Kl'^ln* lM»ff 
Unfroten W.itrr. 
Tliawed I . 
|H! ...4. 
151 
40775 
2iuia 
4(;.i 
152 
30235 
1 70«0 
56.5 
153 
4 ^>\ 65 
1 
11770 
(57.5 
154 
2< ;530 
15190 
42 7 
155 
36295 
li osr, 
00.1 
156 
30710 
511U 
r,'j 3 
157 
23520 
. 38U0 
8.3.8 
158 
127260 
40005 
r.s.o 
181 
300 
15 
s\r,() 
182 
51030 
9GG0 
Sl.l 
183 
13265 
1110 
8!».4 
181 
20475 
2!155 
85. G 
185 
14500 
1145 
92,2 
186 
23415 
805 
9t>.6 
187 
22365 
2915 
87.0 
188 
2260 

— 
Average . . . 
, 73. G 
Tubes 151-158, froxon April 30, 1^'^ in 2J hours; 
thawed, same (hij, after J hours. 
Tubes 181-188, fro/op May 11, IP^B, in 21 houri; 
thawed same daj, after ^' hours. 
Race A. 
Series VIL 
Race A. 
Skuiks VIII. 
Number 
of Tube. 
81 
8.2 
83 
84 
85 
86 
87 
88 
89 
90 
101 
102 
I0:i 
101 
105 
106 
107 
108 
109 
no 
Average Number Bacteria per c.c 
Uufrozeu "Water, 
1820 
2795 
1265 
820 
355 
430 
2515 
1285 
755 
165 
25970 
11665 
16955 
30730 
Control 
8750 
9205 
9345 
20090 
14315 
Thawed Ice 
990 
40 
25 

15 
15 
2075 

10 
6 
11340 
8015 
4555 
Reduction 
per cent. 
45.9 
98.6 
98.1 
100.0 
95.8 
96.5 
17.5 
100.0 
98.7 
97.0 
56.3 
31.3 
73.1 
26355 
14.2 
Control 
. 
6510 
25.6 
5525 
40.0 
3380 
63.8 
11410 
43.2 
9170 
35.9 
Average 03 
I 
oa J^'^^l®^~^°' ^""^^e" March 25, 1898, in 1 1 hours ; thawed 
same d^, after 5(7 mmufes. ' ■ ^ 
th.wlf 101-110, frozen April 9. 1898, in 2 hours; 
thawed same day, after 30 mnutes. 
Number 
of Tn!)e. 
121 
122 
123 
121 
125 
126 
127 
128 
161 
162 
163 
164 
165 
166 
167 
168 
Average Numb<^r B-^t*^ri;i per ex. 
Unfrozen Water. 
500220 
492345 
57420 
53795 
Control 
5705 
1241 1 
77400 
33810 
276900 ! 275940 
715" 
252G40 
27 7 55 
705 
Control 
955 
7175 
9800 
176 JO 
3-19020 
246645 
120775 
472500 
i 
170100 
1 20960 
1 1 1 030 
62050 
2; 56850 
5 1 ».'>575 
123795 
Average 
R»Huctlon 
pL. .cut. 
99.9 
48.7 
61.7 
98.7 
8.3.2 
94.2 
87.3 
47.9 
.3 
6'*>.3 
54.6 
48.6 
49.9 
3^i.2 
27.2 
59.4 
JX.— . ». 
Tubes 121 
thawed same 
Tubes 161 
thawed same 
128, 
(lay, 
168, 
day, 
frozen April 23, 1898, in 
after 15 mwjttes. , 
frozen May 4, 1?V8, in 
after 15 minnffs. 
\\ hour*; 
\\ hours; 
1 
-, 
< 
t 
