J. D. E. Holmes 
301 
Pony C 63. 500 lbs. 
1st day 600 c.c. ars. ac. sol. Four days interval. 
2nd ,, 60 c.c. atoxyl. 8th day 700 c.c. ars. ac. sol. 
3rd ,, 1 gm. ars. ac. 9th „ 60 c.c. atoxyl. 
The pony showed symptoms of poisoning. Treatment was suspended 
for three weeks. No relapse occurred in that time. Treatment was 
then changed to atoxyl and arsenic in alternate doses. 
1st day 60 c.c. atoxyl. 
3rd ,, 1 gm. ars. ac. 
5th ,, 60 c.c. atoxyl. 
7th ,, 1-5 gms. ars. ac. 
9th „ 60 c.c. atoxyl. 
11th day 1*5 gms. ars. ac. 
13th „ 60 c.c. atoxyl. 
15tli ,, 1'5 gms. ars. ac. 
17th „ 60 c.c. atoxyl. 
19th „ 2 gms. ars. ac. 
No return of trypanosomes. Kept under observation 3 months. 
Pony C 64. 580 lbs. 
1st day 600 c.c. ars. ac. sol. 
2nd ,, 60 c.c. atoxyl. 
3rd „ l - 5 gms. ars. ac. 
E'our days interval. 
8th day 800 c.c. ars. ac. sol. 
9th ,, 60 c.c. atoxyl. 
10th ,, 2 gms. ars. ac. 
Four days interval. 
15tli day 1000 c.c. ars. ac. sol. 
16th ,, 75 c.c. atoxyl. 
17th ,, 2-5 gms. ars. ac. 
Eight days interval. 
26th day 1000 c.c. ars. ac. sol. 
The pony had colic after last dose and no further treatment was 
given. 
No return of trypanosomes. Kept under observation 3 months. 
Pony B 6. 580 lbs. 
1st day 600 c.c. ars. ac. sol. 
2nd „ 60 c.c. atoxyl. 
3rd ,, 1-5 gms. ars. ac. 
Four days interval. 
8th day 800 c.c. ars. ac. sol. 
9th ,, 60 c.c. atoxyl. 
10th „ 2 gms. ars. ac. 
Four days interval. 
15th day 1000 c.c. ars. ac. sol. 
16th „ 60 c.c. atoxyl. 
17th „ 2 gms. ars. ac. 
Eight days interval. 
26th day 1000 c.c. ars. ac. sol. 
27th „ 60 c.c. atoxyl. 
28th ,, 1’5 gms. ars. ac. 
This pony died 23 days after completion of treatment from injuries 
received by being cast in the stall at night. No relapse had occurred. 
