TOXICOLOGY 293 
Subcutaneous Internal per os. 
Therapeutic Lethal Therapeutic Lethal 
Geese 4 1.0-2.0 6 2.5 
Ducks 5-6 1.0-1.1 1.5-2.0 3.0- 4.5 
Hens 1.0 3.0-5.0 2.0-3.0 80.0-140.0 
Pigeons 5-15 1.0-1.5 6.0 8.5— 11.0 
It will be observed that pigeons are least susceptible to internal 
therapeutic doses, while hens, ducks and geese are more so. How- 
ever, with reference to lethal doses per os, hens are most resistant, 
and pigeons, ducks and geese less so. 
The therapeutic doses expressed above in milligrams per kilo of 
body weight, are given below on a basis of milligrams per bird. 
Therapeutic doses 
Subcutaneous Per os. 
Geese 14 9.16-2.22 
Ducks 7 — 96 2.5 -3.8 
Hens “7-15 2.0 -5.0 
Pigeons .16— .26 2.0 -2.4 
SULPHUR 
Non-toxic dose. %%4 ounce -+ 
Experiment. (1) February 20, 9.45 a.m. Fowl received %4 
ounce of sulphur. Result. No effect was apparent. Fowl re- 
mained as active as it was previous to administration of the sulphur. 
TARTAR EMETIC 
Lethal dose. 10 to 15 grains. 
Toxic dose. 10 grains. 
Non-toxic dose. 5 grains. 
Experiments. (1) February 20, 9.40 a.m. Gave fowl 15 grains 
of tartar emetic. 12m. No special change except that the bird is 
quieter than normal. ivp.m. Bird quieter thannormal. Sits down 
a good deal. 4.30 p.m. Quiet but shows no special symptoms. . 
February 21, 9 a.m. Fowl died during the night. Autopsy notes. 
Comb normal. Heart in systole. Crop contains considerable food. 
Proventriculus shows catarrhal condition. Intestine catarrhal. 
Duodenum petechiated. Heart petechiated. Liver pale. Kidneys 
congested. 
(2) June 25,10 a.m. Gave fowl 10 grains tartar emetic. June 
26. No apparent change. June 27. No apparent change. June 
