142 DISEASES OF THE HOG. ~ 
opium and mix in a quart of water, shake up well, 
then take a piece of sponge and tie a cord to it, wet 
this sponge with a little of the lotion and press it 
well back on the tongue, let it remain for a minute 
then withdraw and repeat, and in this way we can 
sometimes succeed in relieving the swelling. I 
have saved the life of several pigs by continuing 
this plan of bathing for several hours. It is good 
practice to inject into the swelling on the outside 
a lotion composed of peroxide of hydrogen, one 
part to four of water. This is a powerful antisep- 
tic and will sometimes stop the process of the dis- 
ease. In treating the above diseases it should 
always be borne in mind that if any of the matter 
from the affected animal gets into the blood of man 
he runs a great risk of contracting the disease. 
