372 THE VETERINARY SCIENCE. 



Its Action and Use.— It is principally used as a mild physic 

 for dogs. 



Dose. — For a dogf g^ive 1 to 2 ounces ; cats, J^ ounce. A 

 very good plan is to give a tablespoonful of the syrup every night 

 and morning until you get the desired results. 



CAMPHOR. 



Camphor is got from a tall, evergreen tree known as the 

 L lurel Camphor, which grows in Japan, China, and different 

 parts ot Europe. The branches are cut and boiled in water and 

 the camphor rises to the top in the form of a gum. 



Its Action and Use. — It is mostly used in mixtures for 

 coui^hs, sore throat and heaves. How to use it is best seen in 

 ihe receipt for chronic cough, and heaves or broken wind. 



CANTHARIDES OR SPANISH FLY. 



Cantharides are got from flies which receive the name Spanish 

 Fly on account of so many of them coming from Spain. The flies 

 Jtre of a green color, and an inch in length, and are captured in 

 nets, then killed by pouring boiling water or vinegar on them, 

 after this they are dried in the sun or by artificial heat, and are 

 then ground and made ready for use in practice. 



Its Action and Use. — Its chief action is as a sweat blister 

 and is one of the principal ingredients in sweat blisters which are 

 used for sweating thickenings or lumps on any part of the body, 

 th^t are not on the bone, such as curbs, tumors, thickenings left 

 liter a wound has been healed up, etc. As to how to use 

 Powdered Cantharides see the receipt for sweat blister at the 

 OHck of this book. Cantharides can also be got in the form of 

 a tincture, but is not much used. The proportion to use 

 Powdered Cantharides for a sweat blister is, 1 to 2 drams of 

 the Canthardies to an ounce of vaseline or lard according to 

 how heavy the skin of the horst is. For cows use it a little 

 stronger than for the horse. 



CARBOLIC ACID. 



Carbolic Acid Is got from coal tar and petroleum. The pure 

 Carbolic Acid is got in the form of a crystal, but the way it is 

 Lfeneraily bought is in the form of a liquid. 



Its Action and Use. — It has a very cleansing effect on a 

 wound, and is greatly used for that purpose and is also used foi 

 fumigating stables by sprinkling' a little around on the floor. It ii 



