518 
SEDGWICK AND WINSLOW. 
BACILLUS OF TYPHOID FEYER 
KEDUCTION OF EACTEEIA BY SEDIMENTATION AND BY FORMATION OF ICE 
ON 
.a'.E SURFACE. 
I 
Tup 
Bottoii 
1 
Ton 
U , fii 
V 
lop 
Bottom 
Top 
Uottom 
I 
Ice 
iop 
Rottom 
Top 
Bottom 
Ice 
I [ Top 
cj \ Bottom 
B. CoLi. Series III. 
January 9, 1899, 
2sr.no 
25020 
2 1 ( ;30 
10010 
23100 
32760 
20370 
12180 
January 10, 1899. 
370 
4620 
4410 
250 
4900 
10360 
650 
7490 
670 
7700 
rut outside. Temperature -1°C. i inch ice formed. 
Seuiks IV. 
January 11, 1809. 
69930 
57330 
02370 
61110 
45990 
68G70 
76860 
77490 
January 12, 1S99. 
Put outside. Temperature, -15° C. \ inch ice formed. 
147420 
247590 
21840 
234360 
209790 
B. Typhi. Series I. 
January 18, 1899. 
226800 
211680 
198450 
245700 
January 19, 1899. 
28350 
194670 
176G60 
Put outside. \ inch ice formed 
27090 
1 47420 
232470 
204120 
153090 
/ 
23940 
145530 
181440 
Averages 
23415 
20142 
460 
4380 
7490 
Averages. 
63787 
66150 
1215 
11440 
11462 
Averages. 
194197 
214515 
180495 
200090 
Top 
Bottom 
Ice 
II Top 
^l Bottom 
202230 
154980 
68040 
270270 
307180 
Series II. 
Jamiary 19, 1899. 
198450 
218610 
156870 
302400 
January 20, 1899. 
75600 
404460 
257040 
18480 
578340 
386820 
Put outside. \ incli ice formed 
171990 
254520 
17430 
319960 
238140 
Averages 
182385 
232627 
44887 
393257 
297295 
