30                                      Surra.

This pony was kept under daily observation for 3 months.
No trypanosomes were found in the blood and the animal was
kept at work after the first month and remains (January 31st,
1909) in apparent health and good condition.

                                    PONY 283.

Body weight
in lbs.

Sept. 11th

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

280

„ 13th

... 1.5 gms. of Orp ... ...

......

„ 20th

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

285

„ 26th

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

270

„ 26th

... 50 c.c. of 4% Atoxyl „ „

......

„ 27th

... 60 c.c. of 4% Atoxyl „ present

270

„ 29th

... 1.5 gms. of Orp. „ absent

266

Oct. 1st

... 50 c.c. of 4% Atoxyl „ „

274

„ 3rd

... 1.5 gms of Orp. „ „

273

„ 5th

... 50 c.c. of 4% Atoxyl „ „

272

„ 7th

... 2 gms. of Orp „ „

281

„ 9th

.. 50 c.c. of 4% Atoxyl „ „

283

„ 11th

... 2 gms, of Orp. „ „

273

„ 13th

... 50 c.c. of 4% Atoxyl „ „

276

Kept under observation up to January 31st, 1909. Showed
no return of trypanosomes and improved in condition.

                                    PONY 285.

Body weight
in lbs.

Sept. 12th ...

Inoculated with Surra ......

...

„ 19th ...

... Tryps. appeared in blood

190

„ 20th to 21st

... ... „ present

191

„ 21st ...

30 c.c. of 4% Atoxyl „ „

184

„ 23rd ...

1 gm. of Orp. „ absent

196

„ 25th ...

30 c.c. of 4% Atoxyl „ „

200

„ 27th ...

1 gm. of Orp. „ „

205

„ 29th ...

30 c c of 4% Atoxyl „ „

202

Oct. 1st ...

1.5 gm. of Orp. „ „

200

„ 3rd ...

30 c c. of 4% Atoxyl „ „

193

„ 5th ...

1.5 gm. of Orp. „ „

195

„ 7th ...

30 c.c. of 4% Atoxyl „ „

192

„ 9th ...

1.5 gm. of Orp. „ „

190

Kept under observation up to January 31st, 1909.
Showed no return of trypanosomes and improved in condition.

                                          PONY 287.

Body weight
in lbs.

Sept. 28th

... Inoculated with Surra ....

285

Oct. 5th

... ... Tryps. appeared in blood

293

„ 5th

... 25 c c . of 1 % Tartar Emetic (intrav.) ...

...