78 INFLAMMATION OF THE GLANDS. 



The last recipe will be the liquid blister in its 

 strongest form, and such as will very rarely be re- 

 quired : when a blister is mentioned in the course of 

 the work, the common liquid blister is alluded to, 

 unless otherwise directed. 



RECIPE (No. 24). 



The Common Liquid Blister. 



Spanish flies, in coarse powder, one part ; 

 Olive oil, twelve parts : 

 Macerate one month, and filter for use. 



The embrocation (Recipe 22) should be applied 

 twice daily until considerable scurfiness appears. 



In a few cases, however, the gland will continue to 

 enlarge until suppuration takes place. This is a 

 serious business, and requires the attendance of a 

 skilful Veterinary Surgeon. The abscess, when form- 

 ing, must be promoted as much as possible by the use 

 of the embrocation, aided by warmth. Only when it 

 fairly points, ought the knife to be introduced ; and 

 even then care should be taken not to puncture the 

 body of the gland. 



Sometimes the duct of the parotid gland is opened 

 by the knife of the inapt surgeon, and it is frequently 

 not easy to close such a wound. The saliva escapes 

 and jets forth when the horse is feeding. The animal 

 becomes unsightly ; and the loss of that fluid, which 

 mingled with the food, and was designed to aid diges- 

 tion, is injurious to the health. A blister round the 

 orifice should be first tried; liquids such as gruel 

 constituting the food, in order that the jaws may not 

 be moved, and by their motion prevent the parts 



