136 DISEASES OF THE HORSE. 



ANEURISM. 



Aneurism is a tumour formed by a dilatation of a part 

 of an artery, and is also occasioned by a swelling arising 

 from a collection of arterial blood effused in the cellular 

 membrane, brought about by a rupture of the coats of 

 the artery. It is a disease rarely met with in the 

 horse ; but occasionally it presents itself, and the horse 

 is ]3ronounced by the faculty to be labouring under 

 some other disease. It first shows itself by causing 

 intense pain, and consequently lameness, if situated, as 

 is generally the case, in the hind limb. If carefully 

 examined, distinct throbbings or pulsations will be felt, 

 and as the disease progresses, the leg will fill as though 

 the animal was labouring under dropsy ; and for this 

 reason, whenever aneurism occurs in the hind limbs, it 

 is at once confounded with dropsy or water-farcy, and 

 even when the aneurism bursts, it is seldom detected. 



The only treatment is to endeavour by means of 

 medicines to lessen the action of the heart, and thus 

 retard the formation of the tumour. For this purpose 

 use digitalis of the strength of two drachms to the 

 dose, and enforce strict rest and low diet, and bind the 

 tumour tightly with a compress and bandages ; but 

 avoid bleeding, which induces a dropsical tendency. 



GLANDERS. 



Glanders is evidently a diseased state of the blood, 

 or rather the existence of some poisonous matter in the 

 blood. 



