498 
SEDGWICK AND WTNSLOW. 
Number 
Of Tube. 
51 
52 
51 
55 
5(i 
58 
59 
Gl 
62 
63 
65 
66 
67 
6s 
70 
I? act: D. 
Stories IV. 
Average Number Bacteria per c.c. 
Unfrozen \V.iter. 
. 33015 
24570 
C0795 
159C0 
24S05 
8SL'0 
(>8(;o 
■ 89r;o 
2nno 
1.10110 
2 1 7:{5 
3200 
5215 
G160 
955 
2085 
10885 
250 
790 
1150 
Thawed Ice. 
lOG 
33 
35 
89 
103 
6 
55 
29 
199 
32 
71 
5 
63 
10 
40 
G5 
3 
34 
23 
Reduction 
per cent. 
99. G 
99.9 
99.8 
99.6 
98.8 
99.9 
99.4 
98.9 
99.8 
99.9 
97.8 
99.9 
99.0 
99.0 
98.1 
99.4 
98.8 
95.7 
98.0 
^'''■'•tuje 99.0 
Tiilir. 51 60 frozpn M;xy 2, 1899, in 2 liours ; thawed 
AI«y .{, after S4 hours. Minimal temperature, (-13° C ) 
Tiihes 61-70, frozen May 3, in 2 liours ; thawed May 4 
after f^ hours. Minimal temperature, (-12° C), ' 
BACILLUS OF TYPHOID FEVER. 
Race B. Special Skkies. 
Number of 
Tube. 
Number Colonies 
per c.c. 
Unfrozen Water. 
Number Colonies 
per c.c. 
Thawed Ice. 
I 
56070 
83790 


II 
55440 
53550 


III 
62370 
61110 
1 

IV 
19320 
21210 

7 
« 
V 
42210 
29190 

.0 
VI 
28980 
30030 


VII 
28770 
18060 
1 

VIII 
23730 
J 
33390 

1 
IX 
46410 
42630 
1 
2 
X 
, 
7420 

1 
XI 
13720 
12180 


XII 
22050 
28980 
1 

XIII 
11830 
7700 


XIV 
7980 
7560 


XV 
7070 
6020 
1 

XVI 
6020 
4690 


XVII 
5810 
4690 


1 
XVIII 
1840 
1850 

1 
XIX 
1260 
1510 
1 

XX 
3430 4200 


Tubes I-X, frozen February 10, 1890, in 4 bonrs ; 
thawed March 10, after 4 loeeks. Minimal temperature, 
(-10^ C). 
Tubes XI-XX, frozen February 15, in 1^ hours; 
thawed March 15, after 4 weeks. Minimal temperature, 
(-10° C). 
* Coloniei in ice of Tube IV proved to be typlioid. Colonies in ice In tubes not starred proved to be contaminations 
Race C. 
Kntnber of 
Tube. 
I 
II 
ni 
IV 
V 
Vi 
VII 
VIII 
IX 
X 
XI 
XII 
XIII 
XIV 
XV 
Xunober Colonies per c.c 
Unfrozen Water. 
4690 
6440 
7110 
9870 
6560 
10f)^0 
40f;o 
4l«0 
1 
1 
117420 
2 
63630 
579G0 
87570 
5390 
6300 
6320 
12880 
7210 
llOCO 
3710 
3990 
1 
2 
148050 

71190 
48510 
SG940 
Number Colo- 
ines per c.c. 
Thawed Ice. 



18 
3 




1 




1 

1 
1 
12 
4 
1 
1 
2 





Number of 
Tube. 
XVI 
XVII 
XVIII 
XIX 
XX 
XXI 
XXII 
XXIII 
XXIV 
XXV 
XXVI 
XXVII 
XXVIII 
XXIX 
Special Series. 
I 
Number Colonies per c.c. 
Unfrozen Water. 

21840 
9520 
15960 
7910 
25410 
34020 
3 
20790 
107730 
380 

330 
150 
1330 
9 
17640 
14070 
8680 
16170 
30450 
31920 

1 7640 
103950 
560 

210 
280 
1440 
Number Colo- 
nies per c.c. 
Thawed Ice. 
Zi 










3 
1 

— 



— 
o 
262 





1 

1 


# 
ih.ZrjutlZT- ^'^7"y ^^' ^^' •" 3 hours ; XI 
tI.a^vtJ after 1 u..k- ,n each case. Minimal temperaiure. 
XX, February 23, in 2 hours : XXI-XXX, March 3, in If hours; 
-lOP C. 
• Colonies in ice proved to be tvnhni^ n i • • • . 
i> lo oe tj phoid. Colonies in ice in tubes not starred proved to be 
taminations. 
