Surra.                                                         33

                                       PONY 258.

Body weight.
in lbs.

Aug. 7th

... Inoculated with Surra ......

535

„ 14th

... ...... Tryps. appeared in blood

549

„ 14th

... 40 c.c. of 10% Atoxyl +2 „ .. ...
gms. of Orp.

...

„ 15th

... 40 c.c. of 10% Atoxyl+2 „ absent
gms. of Orp.

549

„ 16th

... 40 c.c. of 10% Atoxyl × 2 „ „
gms. of Orp.

545

„ 25th

.. 70 c.c. of 4% Atoxyl „
reappeared

515

„ 27th

... 2 gms. of Orp. „ absent

520

„ 29th

.. 100 c.c. of 4% Atoxyl „ „

521

„ 31st

.. 1 gm. of Orp. „ „

520

Sept. 2nd

... 100 c.c. of 4% Atoxyl „ „

525

„ 4th

... 1 gm. of Orp. „ „

525

„ 6th

... 100 c.c. of 4% Atoxyl „ „

525

„ 8th

... 1 gm. of Orp. „ „

525

„ 10th

.. 125 c c. of 4% Atoxyl „

...

„ 14th

... 1 gm. of Orp. „ „

...

„ 16th

... 100 c.c. of 4% Atoxyl „ „

...

„ 24th to 28th ... „ reappeared

530

Treatment changed.

Sept. 28th

... 50 c.c. of 1% Tartar ... ...
Emetic.

525

„ 30th

... 500 c.c. of Sodium Arsen- absent
ite in drench.

525

Oct. 6th

... 500 c.c. of Sodium Arsen- „
ite in drench.

513

„ 8th

... ...... Tryps. reappeared

...

„ 12th

... Destroyed.

                                                      PONY 265.

Body weight
in lbs.

Aug. 7th

... Inoculated with Surra ......

300

„ 13th

... ... Tryps. appeared in blood

303

„ 14th

... 20 c.c. of 10% Atoxyl + 1 gm. of Orp. Tryps. present

303

„ 15th

... 20 c.c. of 10% Atoxyl + 1 gm. of Orp. „ absent

300

„ 16th

... 30 c.c. of 10% Atoxyl + 1 gm. of Orp. „ „

310

Sept. 3rd

... ... „ reappeared

315

„ 3rd

... 50 c.c. of 4% Atoxyl ......

315

„ 5th

... 0.5 gm of Orp. „ absent

320

„ 7th

... 50 c.c. of 4% Atoxyl „ „

320

„ 9th

... 1 gm. of Orp. „ „

320

„ 11th

... 50 c.c. of 4% Atoxyl „ „

......

„ 13th

... 1.5 gm. of Orp. „ „

......

„ 15th

... 50 c.c. of 4% Atoxyl „ „

......

„ 17th

... 1.5 gm. of Orp. „ „

......

„ 19th

... 50 c.c. of 4% Atoxyl „ „

......

„ 21st

... 1.5 gm. of Orp. „ „

......

3