SEDGWICK AND WINSLO^Y. 
EACILLUS OF TYPHOID FEVER. 
407 
Race C. 
Setjtes VT. 
Race D. 
Nnmber 
of Tube. 
1 
1 
Average Number 
Bacteria per c.c. 
Re<Uiction 
l>er cent. 
Unfrozen AVater. 
Tliawed Ice. 
31 
350 
10 
97.1 
32 
270 

100.0 
33 
185 

100.0 
34 
90 
5 
94.5 
35 
5 

100.0 
36 

— 
37 
5 

100.0 
38 
20 

100.0 
39 
5 

100.0 
40 


h 
101 
172080 
1 
99.9+ 
102 
GlllO 
9 
99.9+ 
103 
5G700 
1 
99.9+ 
104 
40005 
4 
99.9+ 
105 
1GG60 

100.0 
106 
14G475 
1 
99.9+ 
107 
8855 
1 
99.9+ 
108 
9345 
12 
99.9 
109 
6930 
2 
99.9+ 
110 
5075 

100.0 
Ave'i 
raae . 
. 99.5 
^ ™ ^ ■ ^^ ^^ ^p ^^ 
Tubes 31-40, frozen January 19, 1800, in 2 hours; 
tliawed san\e day, after S hours. Minimal temperature, 
(-8° C). 
Tubes 101-110, frozen February 2, 1890, in 2 hours; 
thawed same day, after S hours. 
Sfimtts I. 
A\ t;raRC NuiiiUr lUt'UTiii per r r 
Unfrozen M'.itcr. 
Tliaw \iiX l(»ft. 
5355 
5915 
G090 
5G70 
3010 
4410 
3745 
3290 
4375 
C5S0 
2380 
7210 
1 855 
3<;75 
30S0 
32r,."i 
24 n; 
G70 
ini5 
7S0 
3fi5 
1000 
480 
3GI0 
9 
05 
40 
90 
|K'r wut. 
42.5 
59.5 
.SS.L' 
4r..3 
82.3 
90.3 
no.G 
80.0 
44.7 
90.0 
99.1 
97.8 
97.5 
Avera;/e 74. S 
Tubes 1-10, frozen .\pril 27, IS'.iH, in 2 1k.iii«: tl,rnv,.l 
same ilay, afier 5 /((»«),«. Minimal Iciuperature, ( I'l ('.). 
Tubes 11-20, frozen April 28, \^'X\ in '2 lionr« ; \hnw< ] 
same day, after S huurs. Minimal tenii-craturc, ( U C). 
Race D. 
Series II. 
Race D. 
Series III. 
^ 
NnniTier 
of Tube. 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
71 
72 
73 
74 
75 
76 
77 
78 
79 
80 
Average Number Bacteria per c.c 
Unfrozen Water. 
52G05 
53235 
77175 
65G5 
184275 
6580 
1890 
G2055 
3255 
C020 
243G0 
29505 
8925 
2430 
12810 
24355 
9450 
20G5 
31G0 
2185 
A 
verarje 
Thawed Ice 
318 
5072 
52 
927 
7339 
120 
6157 
87 
131 
2 
2 
2 

4 
3 
210 
1 
1 
1 
Reduction 
per cent. 
99.4 
90.5 
99.9 
83.3 
96.0 
93.G 
89.6 
97.3 
97.8 
99.9+ 
99.9+ 
99.8 
100.0 
99.9+ 
99.9+ 
97.8 
99.9+ 
99.9+ 
99.9+ 
97.0 
Tubes 31-40, frozen :\Iav 1, 1S<)9, in 2 liours ; tliaAvcJ 
5anie .lay, after (J hours. Minimal [cini)eraturc, (-10° C). 
lubes 71-80, frozen May 8, ISOO. in 2 bonrs; tliawed 
same day, after 6 /,o„rs. ilinimal leniperalnre, (~lGn'.) 
Number 
of Tube. 
21 
22 
23 
24 
2.1 
26 
27 
28 
29 
30 
41 
42 
43 
44 
45 
46 
47 
48 
49 
50 
Averngr Niimbpf T^arteria i>er c.c 
Unfrozen Water. 
Th;iwtHj Ice. 
3990 
3075 
G70 
180 
595 
2275 
180 
140 
25 
240 
515 
1575 
495 
^ P^ 
1855 
2G25 
7175 
1025 
Avei'f'fjr 
Tubes 21-30. fmren 
15 
20 
15 
100 
45 
15 
20 
25 
25 

33 
152 
9 
88 
409 
511 
102 
R' Juriioll 
p* t i * lit. 
. I J_M— ^ ^i-l_ 
99.0 
99.5 
97.8 
41.1 
9 'J. I 
99.3 
88.9 
83.0 
0.0 
100.0 
93. G 
90. 3 
92.2 
95.3 
84.1 
92.9 
81 .3 
84.4 
r 
I 
A 
Apri!2S. lS(tO,in21mnrR: tba«ed 
,,^IL'.^after /.V..«^s. Minini.i «- _^^^^ 
Tubes 41-50, frozen May 1, l^■^•^ '" -J '"" ' , ., > 
'o .*■.,. /V/.„«r.,. Minim.iltenaKrature. ( 1" < 4- 
.Mav 2, after i^ /'<'«'•*■- 
^2 
s 
