34                                        Surra.

Body weight
in lbs.

Oct. 1st

... Tryps. reappeared

......

„ 1st

... Treatment changed.

„ 1st

... 50 c c. of 4% Atoxyl „ present

......

„ 3rd

.. 300 c. c. of Sodium Arsenite in drench. „ absent

345

„ 5th

... 50 c. c. of 4% Atoxyl „ „

354

„ 8th

... 50 cc. of 4% Atoxyl „ „

354

„ 10th

... 300 cc. of Sodium Arsenite in drench „ „

359

„ 12th

... 40 c.c of 4% Atoxyl „ „

355

„ 14th

... 300 c c. of Sodium Arsenite in drench „ „

350

„ 16th

... 40 c.c. of 4% Atoxyl „ „

348

„ 18th

... 300 c c. of Sodium Arsenite in drench „ „

336

„ 20th

... 40 c.c. of 4% Atoxyl „ „

339

„ 25th

... ... „ reappeared

340

„ 25th

... Treatment changed „

......

„ 26th

... 600 c.c. Sodium Arsenite in drench „ present

350

„ 27th

... 2 gms. of Orp. „ „

344

„ 29th

... 600 c.c. of Sodium Arsenite in drench „ absent

344

„ 30th

... 2 gms of Orps. „ „

345

Nov. 2nd

... 700 c.c. of Sodium Arsenite in drench „ „

350

„ 3rd

... 50 c.c. of 4% Atoxyl „ „

347

„ 4th

... 3 gms of Orp. „ „

347

Severe colic followed and the pony died on 7th November
1908.

                                    PONY 282.

Body weight
in lbs.

Sept. 11th

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

267

„ 14th

.. 1 gm. of Orp. ......

......

„ 21st

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

......

„ 28th

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

285

„ 29th to 1st

„ present

377

Oct. 1st

... 50 c.c. of 4% Atoxyl „ „

373

„ 3rd

... 2 gms. of Orp. „ absent

350

„ 5th

... 50 c.c. of 4% Atoxyl „ „

354

„ 7th

... 2 gms. of Orp. „ „

366

„ 9th

... 50 c.c. of 4% Atoxyl „ „

378

„ 10th

... Feeds slowly. Temp. elevated

Severe colic followed and pony died on the 13th October
1908.

                                 PONY 280.

Body weight
in lbs.

Sept. 12th ... Inoculated with Surra ......

...

„ 18th ... ...... Tryps. appeared in blood

275

„ 19th & 20th ...... „ present

275

„ 20th ... 50 c.c. of 4% Atoxyl „ „

274