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THE VETERINARY SCIENCE 
Action and Use. — It is used internally as a stoniacli 
stimulant to heat the stomach and bowels, and in this way 
helps to relieve the pain in colic, indigestion, etc. 
Dose. — For horses, 1 dessertspoonful ; cattle, 1 dessert- 
spoonful ; sheep and pigs, 1 teaspoonful ; dogs, ^ teaspoonful. 
In mixing up this drench it is often combined with whiskey, 
and makes a good colic drench. 
29. Quassia Chips. 
Source. — Quassia Chips are obtained from a handsome 
tree that grows in the West India Islands. It is odorless but 
bitter to taste. 
Action and Use. — It is used mostly as an injection foi 
pinworms. To prepare it for injection refer to 'Tinworms" 
in Part II. 
30. Sulphuric Ether. 
Source. — Sulphuric Ether is prepared from sulphuric 
acid and rectified spirits of alcohol, and is used in the form 
of a clear liquid possessing a very strong odor. 
Action and Use. — It is used a great deal for putting 
animals asleep for operations, especially dogs. For particu- 
lars refer to "Spaying," Part V. It is sometimes given for 
indigestion or colic, both in horses and cattle, to relieve the 
pain and gases. 
Dose. — For horses and cattle, 1 ounce or 4 dessertspoon- 
fuls mixed in a pint of lukewarm water. It may be given 
every two hours. When the pain is severe, it is a very 
effectual remedy. 
31. Salicylic Acid. 
Source. — Salicylic Acid is obtained from a plant and is 
used in the form of a white powder. 
Action and Use. — It has a special action in cases of 
rheumatism. As to method of using it, refer to the receipt 
given for rheumatism, Parts II. and III. 
32. Sweet Spirits of Nitre. 
Source. — Sweet Spirits of Nitre, or Nitrous Ether, is 
chiefly a preparation of alcohol. It is in the form of a clear 
liquid which has a sweet taste and smell. 
