G. H. F. Nutt all 
417 
Dog 5 : Fox-terrier, aged about £ year. Weight 8-t lbs. 
Received one subcutaneous injection of 3 c.e. of Congo Red in -5 °/ 0 watery solution 
24 hours after the parasites appeared. Counts of r.b.c. etc. as under Dog 4, q.v. 
Date Day Temp.°F. 
1 
— 
Inoculated with 5 c.e. of virulent heart-blood from Dog 2. 
2 
102-0 
3 
103-0 
4 
102-0 
5 
102-6 
6 
102-6 
7 
103-2 
8 
105-4 
— p.m. Parasites appeared, 
few. 
%of 
infected 
r.b.c. 
% 
9 
103-6 
11.40 a.m. Treatment with 
(P) 
(O) 
(PP) 
(D) 
(P 4 ) 
o 
o 
o 
Congo Red 
6-4 
2 
45 
49 
1 
3 
. 
• 
12.40 p.m. 
8-0 
1 
39 
55 
. 
5 
. 
• 
2.40 p.m. Haemoglobinuria 
8-4 
• 
45 
51 
1 
• 
3 
. 
105-2 
5.40 p.m. R.b.c. crumpled, 
many (PP) appear de¬ 
generated 
10-8 
1 
54 
39 
. 
5 
1 
10 
104-2 
9.40 a.m. Blood watery, 
(PP) as before ... 
12-8 
• 
75 
19 
• 
• 
6 
• 
102-0 
4.40 p.m. (PP) doubtful, 
(O)s very small 
11-6 
• 
86 
3 
. 
• 
11 
• 
11 
101-2 
9.40 a.m. Urine lighter, 
blood watery, only chro¬ 
matin of parasites with 
little or no blue seen in 
stained films ... 
2-0 
77 
21 
2 
100-4 
5.40 p.m. 
2-4 
. 
80 
• 
• 
• 
20 
. 
12 
99-4 
9.30 a.m. Blood condition 
improving, less than -1 °/ 0 
r.b.c. infected, parasites: 
chromatin only 
+ 
99-2 
5.40 p.m. 
0 
13 
101-4 
10 a.m. Blood watery 
0 
14 
97-6 
10.30 a.m. ,, ,, 
0 
99-0 
— p.m. ,, ,, 
0 
15 
95-0 
— a.m. Blood very watery, 
dog weak 
0 
2 p.m. Dog died. Organs anaemic. Very few parasites found in 
smears from heart, liver, kidney and spleen. 
