W. L. Yakimoff and others 
69 
XI. CHANGES IN THE WHITE AND RED BLOOD CORPUSCLES IN MICE 1 . 
Mice were inoculated respectively with trypanosomes from camels passed 
through a guinea-pig, and trypanosomes from donkeys passed through a rat. 
Table 10. 
Days 
Mouse No. 10. Infected with camel trypanosomes. 
Number of 
erythrocytes TTypano- 
per 1 cub. mm. somes Notes 
1 
11,450,000 
— Infected from guinea-pig No. 
2 
11,456,000 
0 
3 
11,296,000 
0 
4 
9,056,000 
0 
5 
11,024,000 
+ 
6 and 7 
— 
+ 4- 
8 
8,992,000 
+ 4-4- 
9 
7,829,000 
+ + + + 
10 
— 
— Succumbed 
Mouse No. 14. 
Infected with trypanosomes of donkey. 
Days 
Number of 
erythrocytes 
per 1 cub. mm. 
Trypano¬ 
somes Notes 
— 
8,202,000 
— 
— 
8,880,000 
— 
1 
8,640,000 
— Infected from rat No. 2 
2 
8,930,000 
0 
3 
7,808,000 
+ 
4 
7,640,000 
+ + 
5 
5,592,000 
+ + + + 
6 
— 
— Succumbed 
Table 11. 
Mouse No. 11. Infected with trypanosomes from camel. 
Days 
Number of 
leucocytes 
Trypano¬ 
Notes 
per 1 cub. mm. 
somes 
— 
18,683 
— 
1 
21,178 
— 
Infected from guinea-pig No. 70 
2 
17,054 
0 
3 
14,967 
0 
4 
15,833 
0 
5 
43,222 
0 
6 
18,073 
0 
7 
18,785 
+ 
8 
10,691 
4- + 
9 
10,691 
+ + + 
10 and 11 
— 
+ + + 
12 
10,487 
4-4-4- 
13 
10,691 
4-4-4- 
14 
14,524 
4- 4- 4- 4- 
15 
— 
— 
Succumbed 
1 By W. L. Yakimoff and W. N. Hamburger. 
