4*23 
Rax 9.—Piebald weight ioo grams. Dose: 500,000 Trypanosomes. (H.B.F.) 
Day . 
1 2 
1 
3 
4 
5 
6 
7 
Parasites per e.mm. 
_ : _ 
— 
20 
4,672 
8,040 
70,400 
Temp. 
30 
40 
50 
54 
Day . 
8 
9 
10 
11 
12 
— 
— 
Parasites per c.mm. 
32,400 
3 , 36 o 
29,880 
88,800 
113,520 
- 
— 
Temp. 
58 
46 
42 
40 
35 
Rat io.— Piebald <J, weight 150 grams. Dose : 500,000 Trypanosomes. (H.B.F.) 
Day . 
1 
2 
3 
4 
5 
6 
7 
8 
Parasites per c.mm. 
Temp. 
36 
34 
42 
12 
5 ° 
3,620 
42 
8,400 
66 
2,520 
48 
7,280 
38 
Day . 
9 
10 
11 
12 
13 
14 
*5 
Parasites per c.mm. 
Temp. 
1 2,000 
46 
6,200 
34 
7,040 
22 
11,000 
40 
80,000 
44 
18,432 
24 
120,000 
20 
Note slow rise in numbers of parasites. 
Rat 11.—White ?, weight .48 grams. Dose : 500,000 Trypanosomes. (H.B.F.) 
Day . 
1 
2 
3 
4 
5 
6 
7 
Parasites per c.mm. 
Temp. 
— 
316 
1,92° 
8,800 
54 
11,200 
66 
