G-. H. F. Nuttall, H. B. Fantham and A. Porter 329 
Record of Cow 2. 
Date 
6. iv. 09. 
Day Temp.' 
1 
2 
3 
4 
5 
6 
7 
8 
9 
101-0 
101-4 
101-4 
F. 
p.m. 
12 ticks (Rh. evertsi 2 $ and 10 ? ) were placed on the Cow. 
101-0 „ 
101-2 „ 
101-0 „ 
101-0 a.m. 
99-7 „ 
12 s ticks placed on Cow. 
10 
11 
12 
13 
14 
101-6 „ 
100-2 „ 
100-0 „ 
101-6 „ 
f 104-2 a.m. 
1 103-8 p.m. 
f 104-2 a.m. 
15 
(l05'8 p.m. 
f 106-2 a.m. 
16 
(107-0 p.m. 
1106-8 a.m. 
1106-8 p.m. 
17 
18 
107-0 a.m. 
19 
105-8 ,, 
20 
105-0 „ 
Parasites first 
seen, few. 
21 
104-8 „ 
10 a.m. 6 % of corpuscles infected. 
Treatment: 200 c.c. 1 % 
4 p.m. 8% 
ff ff 
Trypanblue. 
22 
(102-2 „ 
(102-2 p.m. 
5 „ 8% 
ff ff 
200 c.c. 2 % Trypanblue. 
23 
104-6 a.m. 
10 a.m. 13 % 
>» ff 
100 c.c. 2 % Trypanblue. 
24 
103-6 „ 
10 „ 22 °/ 0 
ft ft 
25 
102-6 „ 
10 „ 26% 
ft ft 
26 
102-8 „ 
10 „ 32% 
If ff 
27 
104-0 ,, 
10 „ 41% 
ff ff 
28 
105-0 „ 
10 „ 47% 
ff }» 
Treatment: 100 c.c. 
29 
103-4 „ 
10 „ 60% 
ff ff 
Orsudan at 6 p.m. 
5. v. 09. 30 
— 
9 a.m. Cow found dead of East Coast Fever. Highly tuber- 
Note :—The drugs were 
(Orsudan) in watery solution. 
culous. 
injected intravenously (Trypanblue) and subcutaneously 
corpuscles were found to harbour parasites. In the case of Cow 2 the 
temperature rose above 104° F. on the 14th day after the first ticks 
were applied, and the first parasites were noted on the 20th day. On 
the morning of the 21st day 6% of the corpuscles .were found to 
harbour parasites and the number of infected corpuscles rose on 
successive days with remarkable uniformity: 8°/o» 13%, 22%, 26%, 32%, 
