Rat 28—continued. 
Day 
8 
9 
10 
11 
12 
13 
>4 
Number of Trypanosomes per 
c.mm. ... 
4 , 4 i 6 
3,648 
24,904 
90,509 
118,700 
143,520 
270,000 
Temp. 
44 
42 
34 
26 
24 
•v 
40 
Weight in grams 
— 
_ 
— 
— 
_ 
- 
Day 
15 
l6 
17 
18 
— 
- 
- 
Number of Trypanosomes per 
c.mm. ... 
100,0050 
200,600 
6,048 
Dead 
_ 
_ 
_ 
Temp. 
78 
42 
— 
— 
— 
— 
— 
Weight in grams . 
— 
— 
88 
— 
— 
- 
CRYOTHERAPY EXPERIMENTS 
Rat 4 ?.—Cold Chamber. Lowest temp. 20° F. Weight 270 grams. Dose of inoculation: 
2,000,000 T. gambtense 
Day 
I 
2 
3 
4 
5 
6 
7 
Number of Trypanosomes per 
c.mm. ... 
54 
— 
— 
— 
— 
— 
60 
Temp. 
70 
60 
— 
56 
52 
Weight in grams 
Leucocytes 
270 
— 
— 
— 
- 
- 
45,000 
— 
— 
— 
Day 
O 
O 
9 
10 
11 
12 
Number of Trypanosomes per 
c.mm. ... v 
Temp. 
92 
24,012 
480 
430 
1,100 
— 
' 
Weight in grams 
5 ° 
246 
54 
57 
— 
0 
— 
— 
_ 
_ 
_ 
— 
Leucocytes 
_1 
— 
— 
— 
- 
- 
