4.^2 
Rat 31. — Piebald <?, weight 100 grams. Dose: 85,000 Trypanosomes. (H.B.F.) 
Day . 
i 
2 
3 
4 
5 
6 
7 
Parasites per c.mm. 
— 
— 
— 
- 
3,000 
12,000 
15,11: 
Temp. 
34 
30 
34 
32 
Day ... . 
8 
9 
10 
11 
12 
- 
- 
Parasites per c.mm. 
24,000 
101,400 
200,600 
378 , 56 o 
216,000 
- 
- 
Temp. 
34 
44 
42 
20 
10 
— 
Rat 32.—Piebald $, weight 155 grams. Dose: 1,500,000 Trypanosomes. (H.B.F.) 
Day 
1 
2 
3 
4 
5 
6 
1 
Parasites per c.mm. 
— 
— 
1,680 
14,560 
30,200 
61,250 
9o,ccc 
Temp. 
34 
34 
66 
>2 
5 ° 
44 
Day . 
8 
9 
10 
11 
- 
- 
Parasites per c.mm. 
220,500 
409,600 
504,000 
360,000 
— 
- 
- 
Temp. 
5 ° 
44 
34 
10 
— 
— 
^ AT 33 -—White $, weight 40 grams. Dose : 100,000 Trypanosomes. (H.B.F.) 
Day 
1 
2 
3 
4 
' 5 
6 
7 
$ 
Parasites per c.mm. 
_ 
_ 
32 
8,100 
48,150 
88,000 
126,000 
180,00 
Temp. 
34 
45 
3 ° 
70 
' yuung. 1C is interesting to note tnat a count was maae on uic w.-. 
hours after the first count recorded in the table. There were then 544 parasites per c.mm-, 
= ’7 times the first count, showing that four divisions of the parasite had taken place in ®' 
hours. 
