96 
Surra 
Pony no. C 26. 260 lbs., 2nd paroxysm. 
1st day 500 c.c. ars. ac. sol. 
2nd „ 50 c.c. atoxyl. 
3rd „ 1 gm. ars. ac. 
Four days interval. 
8th day 500 c.c. ars. ac. sol. 
9th ,, 50 c.c. atoxyl. 
10th ,, 1 gm. ars. ac. 
Four days interval. 
No return of trypanosomes. 
Pony no. C 21. 245 lbs., 1st paroxysm. 
1st day 50 c.c. atoxyl. 
3rd ,, 300 c.c. ars. ac. sol. 
4th ,, 30 c.c. atoxyl. 
5th ,, 1 gm. ars. ac. 
Four days interval. 
10th day 300 c.c. ars. ac. sol. 
No return of trypanosomes. 
Pony no. C 22. 280 lbs., 2nd paroxysm. 
1st day 500 c.c. ars. ac. sol. 
2nd ,, 50 c.c. atoxyl. 
3rd ,, 1 gm. ars. ac. 
Two days interval. 
6th day 450 c.c. ars. ac. sol. 
7th „ 50 c.c. atoxyl. 
8th ,, 1 gm. ars. ac. 
Two days interval. 
11th day 450 c.c. ars. ac. sol. 
12th ,, 50 c.c. atoxyl. 
No return of trypanosomes. 
13th day of disease. 
15th day 400 c.c. ars. ac. sol. 
16th ,, 50 c.c. atoxyl. 
17th ,, 1 gm. ars. ac. 
Eight days interval. 
26th day 400 c.c. ars. ac. sol. 
27th ,, 50 c.c. atoxyl. 
28th ,, 1 gm. ars. ac. 
Kept under observation 9 months. 
5th day of disease. 
11th day 30 c.c. atoxyl. 
12th ,, 1 gm. ars. ac. 
Eight days interval. 
21st day 300 c.c. ars. ac. sol. 
22nd ,, 30 c.c. atoxyl. 
23rd ,, 1 gm. ars. ac. 
Kept under observation 10 months. 
8th day of disease. 
13th day 1 gm. ars. ac. 
Four days interval. 
18th day 450 c.c. ars. ac. sol. 
19th ,, 50 c.c. atoxyl. 
20th ,, 1 gm. ars. ac. 
Eight days interval. 
29th day 400 c.c. ars. ac. sol. 
30th ,, 50 c.c. atoxyl. 
31st ,, 1 gm. ars. ac. 
Kept under observation 8 months. 
Pony no. C 19. 240 lbs., 3rd paroxysm. 18th day of disease. 
1st day 300 c.c. ars. ac. sol. 10th day 300 c.c. ars. ac. sol. 
2nd ,, 50 c.c. atoxyl. 11th ,, 50 c.c. atoxyl. 
3rd ,, 1 gm. ars. ac. 12th ,, 1 gm. ars. ac. 
Six days interval. 
Trypanosomes appeared 9 days after last dose. 
A second course of treatment was given. 
1st day 400 c.c. ars. ac. sol. 
2nd ,, 50 c.c. atoxyl. 
3rd ,, 1 gm. ars. ac. 
Three days interval. 
7th day 400 c.c. ars. ac. sol. 
8th ,, 50 c.c. atoxyl. 
No return of trypanosomes. 
9th day 1 gm. ars. ac. 
Four days interval. 
14th day 400 c.c. ars. ac. sol. 
15th ,, 50 c.c. atoxyl. 
16th ,, 1 gm. ars. ac. 
Kept under observation 9 months. 
