294 
Cure of Surra 
Pony C 42. 550 lbs., 3rd paroxysm. 
1 st day 600 c.e. ars. ac. sol. 
2nd ,, 50 c.c. atoxyl. 
3rd ,, 1 gm. ars. ae. 
Four days interval. 
8 th day 600 c.c. ars. ac. sol. 
9th „ 50 c.c. atoxyl. 
10 th ,, 1 gm. ars. ac. 
Six days interval. 
No return of trypanosomes. 
Pony C 43. 350 lbs., 3rd paroxysm. 
1st day 50 c.c. atoxyl. 
3rd ,, 500 c.c. ars. ac. sol. 
4th ,, 50 c.c. atoxyl. 
5th ,, 1 gm. ars. ac. 
Six days interval. 
12th day 400 c.c. ars. ac. sol. 
13th ,, 50 c.e. atoxyl. 
14th ,, 1 gm. ars. ac. 
No return of trypanosomes. 
Pony B 3. 400 lbs., 3rd paroxysm. 
1st day 400 c.c. ars. ae. sol. 
2nd ,, 50 c.c. atoxyl. 
3rd ,, 1 gm. ars. ac. 
Four days interval. 
8 th day 500 c.c. ars. ac. sol. 
9th ,, 50 c.c. atoxyl. 
10 th ,, 1 gm. ars. ac. 
Six days interval. 
20 th day of disease. 
17th day 700 c.c. ars. ac. sol. 
18th ,, 60 c.c. atoxyl. 
19th ,, 2 gms. ars. ac. 
Eight days interval. 
28th day 600 c. c. ars. ae. sol. 
29th ,, 60 c.c. atoxyl. 
30th ,, 1*5 gms. ars. ac. 
Kept under observation 5 months. 
20 th day of disease. 
Four days interval. 
19th day 600 c.c. ars. ac. sol. 
20th ,, 50 c.c. atoxyl. 
21st ,, 1-5 gms. ars. ac. 
Eight days interval. 
30th day 600 c.c. ars. ac. sol. 
31st ,, 50 c.c. atoxyl. 
32nd ,, 15 gms. ars. ac. 
Kept under observation 5 months. 
20 th day of disease. 
17th day 600 c.c. ars. ac. sol. 
18th ,, 60 c.c. atoxyl. 
19th ,, 1 gm. ars. ac. 
Eight days interval. 
28th day 500 c.e. ars. ac. sol. 
29th ,, 60 c.c. atoxyl. 
30th ,, 1*5 gms. ars. ac. 
Trypanosomes reappeared 22 days after treatment. 
Pony B 4. 350 lbs., 3rd paroxysm. 20th day of disease. 
1st day 50 c.c. atoxyl. Four days interval. 
3rd ,, 500 c.c. ars. ac. sol. 10th day 600 c.c. ars. ac. sol. 
4th ,, 50 c.c. atoxyl. 11th „ 60 c.c. atoxyl. 
5th ,, 1 gm. ars. ac. 
This pony showed symptoms of poisoning on the 12th day and died 
the same night. 
Treatment with arsenic alone. 
Mule C 44. 500 lbs., 2nd paroxysm. 18th day of disease. 
1st day 3 gms. ars. ac. 
Treatment was not continued as the mule showed symptoms of 
poisoning and was off feed for several days. 
No return of trypanosomes. Kept under observation 5 months. 
