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SURRA. 63

Pony C. 59.—540 lbs.

1st day 600 c.c ars. ac. sol.	Four days interval.
2nd „ 60 c.c. atoxyl.	8th day 800 c.c ars. ac. sol.
3rd „ 1.5 gms. ars. ac.	9th „ 60 c.c. atoxyl.
10th day 2 gms. ars. ac

The pony showed symptoms of poisoning and was dull
and off feed for four days. Treatment was suspended for
25 days. No relapse occurred, but as there was a doubt
whether a cure had been effected the animal was put on a
course of atoxyl and arsenic in alternate doses.

1st day 60 c.c. atoxyl.	11th day 2 gms. ars. ac.
3rd „ 1.5 gms. ars. ac.	13th „ 60 c.c atoxyl.
5th „ 60 c.c. atoxyl.	15th „ 2 gms. ars. ac.
7th „ 1.5 gms. ars. ac.	17th „ 60 c.c. atoxyl.
9th „ 60 c.c atoxyl.	19th „ 2 gms. ars. ac.

No return of trypanosomes. Kept under observation
3 months.

Pony C. 60.—650 lbs.

1st day 600 c.c. ars. ac. sol.	Four days interval.
2nd „ 60 c.c. atoxyl.	8th day 800 c.c. ars. ac. sol.
3rd „ 1.5 gms. ars. ac	9th „ 60 c.c. atoxyl.
10th day	2 gms. ars. ac.

A relapse occurred three days after last dose. The
animal was then treated with atoxyl and arsenic in alternate
doses.

1st day 60 c.c. atoxyl.	11th day 2 gms. ars. ac.
3rd „ 2 gms. ars. ac.	13th „ 60 c.c atoxyl.
5th „ 60 c.c. atoxyl.	15th „ 2 gms. ars. ac.
7th „ 2 gms. ars. ac.	17th „ 60 cc. atoxyl.
9th „ 60 c.c. atoxyl.	19th „ 2 gms. ars. ac.

No return of trypanosomes. Kept under observation
3 months.

Pony C. 61.—600 lbs.

1st day 600 c.c. ars. ac. sol.	Four days interval.
2nd „ 60 c.c. atoxyl.	15th day 1000 c.c. ars. ac. sol.
3rd „ 1.5 gms. ars. ac.	16th „ 75 c.c. atoxyl.
Four days interval.	17th „ 2 gms. ars. ac.
8th day 800 c.c. ars. ac. sol.	Eight days interval.
9th „ 60 c.c. atoxyl.	26th day 1000 c.c. ars. ac. sol.
10th „ 2 gms. ars. ac.	27th „ 60 c.c. atoxyl.
28th day 2 gms. ars. ac.