Guinea-pig 8—continued. 
Day 
5 ° 
5 * 
52 
S 3 
54 
55 
56 
Number of Trypanosomes per 
c.mm. ... . 
2,000 
5 - 37 6 
8,800 
2,800 
— 
15,840 
n,264 
Leucocytes 
— 
— 
— 
— 
— 
— 
- 
Temp. 
— 
— 
— 
— 
— 
— 
- 
Weight in grams 
— 
— 
— 
— 
— 
CRYOTHERAPY EXPERIMENTS 
Rat 23. — Piebald adult, weight 173 grams. Control in Animal House. Dose of inoculation: 
2,000,000 T. gambiense 
Day 
1 
2 
3 
4 
5 
6 
7 
Number of Trypanosomes per 
c.mm. ... 
— 
_ 
— 
120 
Temp. 
55 
40 
50 
50 
44 
34 
5‘ 
Leucocytes 
— 
29,000 
— 
— 
- 
- 
Weight in grams 
*73 
— 
— 
— 
Day . 
8 
9 
to 
11 
12 
•3 
>4 
Number of Trypanosomes per 
c.mm. ... 
48.000 
— 
69,728 
125,860 
• 9-764 
600 
9,280 
60,712 
Temp. 
45 
65 
5 ° 
— 
5 ° 
66 
38 
Leucocytes 
— 
— 
— 
• 7 > 7'2 
- 
- 
Weight in grams 
167 
— 
— 
— 
Day 
•5 
16 
•7 
18 
•9 
- 
Number of Trypanosomes per 
c.mm. ... 
130,000 
142,000 
100,000 
250,000 
164,000 
- 
Temp. 
34 
4 ° 
55 
— 
11 
— 
- 
Leucocytes . 
— 
— 
_ 
_ 
— 
- 
Weight in grams . 
160 
— 
