330 
East Coast Fever 
9. IV. 1.3 
4. V. 13 
1. VI. 13 
11. VI. 13 
12. IV. 13 
29. IV. 13 
Day 
Temp. °F. 
Calf 3. 
1 
— 
Put on fifteen infected nymphs. 
2 
Normal 
3 
Partially fed ticks all removed from the calf. 
4-35 
»» 
36 
> ) 
Put on forty infected nymphs. 
37-39 
)) 
40-43 
) 5 
Gorged nymphs dropped off. 
44-49 
» > 
50 
105 
51 
107 
52 
104 
53 
104-4 
Few parasites found. 
54 
105 
55 
105-8 
56 
105-6 
57 
105-2 
58 
105-6 
59 
103-4 
60 
102-1 
61 
102-4 
62 
104-4 
63 
106-4 
64 
105-6 
Calf died of East Coast Fever at 6.35 p.m. 
1 
Calf 4. 
Put on nineteen infected nymphs previously 
2 
Normal 
heated to 37° C. for three days. 
3 
J ) 
Nineteen partially gorged nymphs removed. 
4-80 
5 ) 
81 
— 
Experiment discontinued. 
1 
Calf 5. 
Six partially gorged nymphs from Calves 3 and 4 
2-5 
Normal 
placed on ear of calf. 
6-7 
) » 
Six gorged nymphs dropped off. 
8-15 
) > 
16 
) 5 
Put on forty infected nymphs. 
17-28 
»> 
29 
101-3 
30 
105 
31-44 
Temperature ranging from 104° to 107° F. 
45 
— 
Calf died of East Coast Fever. 
