TUMORS. 225 



the tincture of iodide, to kill the walls of the cyst. The 

 siirtreoii sometimes cuts these tumors out, in the form of a 

 soft ball, without opening them. This requires a steady 

 hand. 



(2.) ExcEPHALOiD. — This term means a brain-like 

 tumor, so named from its structure being like that of the 

 brain. It is one of the kinds of cancer which sometimes 

 attack the horse, but is more frequently seen in the dog 

 and ox. 



Cause. A specific poison in the blood, not as yet well 

 understood. 



Si/mjytoms. It is solid, hard, irregular in shape, and 

 knotty, with no hair upon its surface, and presenting a 

 smooth and shining aspect. These tumors grow rapidly, 

 and finally break on the top, presenting an angry and 

 malignant sore or ulcer, which cannot be healed without 

 first removing the entire tumor, Avith a knife, and treating 

 it as for a simple sore. 



(3.) Fibroma. — This is a fibrous or warty-like tumor, 

 familiar to most persons, and is attached chiefly to the 

 skin only. It is troublesome only in so far as it is apt to 

 bleed, thereby keeping up a degree of irritation — especially 

 in warm weather, because of the sweat and the flies. 



Treatiuent, Those persons who have not sufficient nerve 

 to cut them off with the knife, can take arsenic, one 

 draclim ; hog's lard, four drachms ; mix, and make an 

 ointment; rubbing in and around the tumor, once a week, 

 a small portion of the salve. In a short time it will fall off. 



(4.) Fatty Tu.aior. — This is a variety of tumor of fre- 

 quent occurrence in horses, and is comj^osed of fat as its 

 name indicates. It is sometimes called adipose and lipoma 

 by the surgeons of continental Europe. 



Symptoms, A round, ovoid shape, with a firm feel, but 

 15 



