64 Drug Treatment of East Coast Fever of Cattle 
Experiment IV {Calf 7). 
Treatment: Creosote and Oleum copaivae (Creosote 0-2 c.c. +01. copaivae 3-7 c.c. diluted 
to form a 3 % solution). 
Date 
Day 
Temp. ° F. 
1912 
a.m. 
p.m. 
29. II. 
1 
101-2 
12 infected R. appendiculatus adults (6 d. 6 ?) were placed on 
101-6 
the calf 
2 
101-6 
101-2 
3 
101-2 
101-4 
4 
101-2 
101 
5 
101-6 
101-2 
6 
100-8 
101-4 
7 
101 
101-2 
8 
101-6 
101-3 
9 
100-4 
101 
10 
102 
101-8 
11 
101 
101-6 
12 
102-8 
102-4 
13 
104-2 
103-2 
Fever begins 
14 
105-2 
105-6 
Treatment 
15 
106 
105-2 
5 c.c. of drug injected intravenously 
16 
105-4 
106-2 
5 c.c. „ „ „ 
17 
106-2 
105-8 
5 c.c. „ „ ,, 
18 
106-2 
105-6 
Very few parasites found 5 c.c. ,, ,, „ 
19 
105-4 
105-2 
»> ““ 
20 
105 
105-2 
4-0 % of r.b.c. infected 5 c.c. ,, ,, „ 
21 
104-8 
104-8 
6-0 ,, 5 c.c. ,, ,, 
22 
105 
104-6 
13-2 ,, ,, 5 c.c. ,, ,, gf 
23 
104-2 
104-4 
16-4 
24 
104-6 
104-8 
20-4 
25 
105 
105-2 
31-6 „ „ 
26 
105-8 
106 
39-6 
27 
106-8 
106-2 
43-6 „ „ 
28 
106-4 
105-6 
49-2 
29 
105 
97-6 
55-2 
29. m. 
30 
— 
Calf died at 6 p.m. 
