SURRA.                                                      81

hours. The trypanosomes reappeared 11 days after the
treatment.

  Camel No. 6.                                                  Arsenic alone.

Day.

Tryps.

Treatment.

Remarks.

1st

P. 1 in 4 f.

3000 c.c. Arsenic sol. (5
gms.)in a drench.

No symptoms.

2nd

F. 1 in f.

3rd

A.

Tryps. disappeared in 48 hours.

Off feed. Diarrhœa.

4th-6th

A.

Off feed. Bowels setting.

7th

A.

Feeds fairly. Bowels setting.

8th

A.

Off feed.

9th-10th

A.

„ „ Salivating.

11th

F. 2 in f.

Died on 14th day.

Tryps. reappeared in 10 days.

                                  Arsenic—5 grammes.

A dose of 5 grammes Arsenious Acid in drench produced
toxic symptoms and camel died on the eleventh day. Try-
panosomes reappeared on the eleventh day.

  Camel No. 7.                                                  Arsenic alone.

Day.

Tryps.

Treatment.

Remarks.

1st

F. 1 in 7 f.

3000 c.c. Arsenic sol. Neu-
tral (10 gms.) plus 2 drms.

Pulvis Opii in drench.

No symptoms.

2nd

F. 1 in sp.

„ „

3rd

A.

Tryps. disappeared in 48 hrs.

4th

A.

Off feed.

5th

A.

„ „

6th

A.

„ „ Slight diarrhœa.

7th

A.

Feeds slowly. Bowels setting.

8th

A.

„ „ „ set.

9th-11th

A.

Feeds fairly.

12th-46th
47th

A.
F. 1 in sp.

Tryps. reappeared in 45 days.

                                  Arsenic—10 grammes.

A dose of 10 grammes Arsenious Acid in drench produced
toxic symptoms. Trypanosomes reappeared forty-five days
after treatment.

                                                                                     6