G. H. F. Nuttall 
65 
Experiment V {Calf 6 ). 
Treatment: Arsacetm, 5 % solution given on 7 alternate days in doses ranging from 2 to 
5 c.c. intravenously. 
Date 
Day 
Temp. ®F. 
1912 
a.m. 
p.m. 
9. VII. 
1 
101-4 
18 infected R. appendiculaivs adults (9 9 $) were placed 
101-8 
on the calf 
2 
101-6 
101-2 
3 
101 
101-4 
4 
101-2 
101-4 
5 
101-8 
101-6 
6 
101-2 
101-6 
7 
101-8 
101-2 
8 
100-6 
101 
9 
100-8 
101-4 
10 
101-2 
101-8 
11 
102-4 
102-2 
12 
103-4 
104 
Fever begins 
13 
104-6 
105-2 
14 
104-2 
104-4 
15 
104-6 
104-6 
Very few parasites found 
Treatment 
16 
104-8 
0-4 % of r.b.c. infected 
2 c.c. 
of 5 % arsacetin solution 
105 
intravenously 
17 
105-4 
106 
00 
6 
18 
106 
106-2 
2-0 
2 c.c. 
?J 5> 
19 
106 
105-4 
6-8 „ „ 
20 
105 
105 
13-2 
4 c.c. 
J> >> 
21 
104-8 
104-6 
19-2 
22 
104-8 
105 
— 
5 c.c. 
ii 
23 
105-2 
105 
24-4 
24 
105-2 
105 
30-0 
5 c.c. 
if 99 99 
25 
105-8 
106 
31-2 
26 
106-4 
106-6 
41-2 
5 c.c. 
99 99 99 
27 
106-6 
106 
41-6 
28 
105-2 
104-8 
— 
5 c.c. 
99 99 99 
6. vin. 
29 
104 
Calf died at 6 p.m. 
Parasitology vni 
