224 



DISEASES OF THE HORSE. 



TREPHINE. 



used as a lever to raise tne depressed portion to its proper 

 level. 



Trismus. — (See Locked-jaw.) 

 Tubercles. — (See Glanders.) 



Tumors. — Tumors may be defined as circumscribed 

 swellings of different sizes^ without inflammation, and dif- 

 fering from one another, according to their situation and 

 their nature. 



(1.) Encysted Tumors. — This is a variety of tumors 

 often seen about the side of the nose of the horse. It is 

 about the size of a pullet's egg, soft, and elastic to the 

 touch, with no heat, inflammation, or soreness of any kind. 



Cause. Closing of the sebaceous openings of the part. 

 Hence the elevation, SAvelling, and filling up of that portion 

 of the skin which contains the sebaceous or suet-like matter. 



OPERATING KNIFE. 



Treatment. Open the part with a knife, and inject for a 

 few times into the inside of the tumor a teaspoonful of 



