EOWELUNG. 307 



In what Complaints Rowelling is necessary. 



its appearance, the tents must be taken out, and 

 the rowel turned every two or three days. A 

 fortnight or three weeks are always deemed a suf- 

 ficient time for a rowel to be in ; as, if permitted 

 to continue any longer, it is apt to leave a carious 

 substance. 



Rowellingis useful in old strains of long stand- 

 ing, either in the shoulder, stifle, or whirl bone.— - 

 When a rowel is used in the shoulder, it must be 

 about three or four inches below the joint of the 

 shoulder ; a similar distance below the whirl bone; 

 and the same distance also below the stifle joint, 

 but rather more to the inside of the thigh. The 

 use of rowelling in the above purposes is to re- 

 lax the capsula or ligament, which surrounds the 

 joint, and to make way for the coagulated blood 

 to pass away which may have lodged there from 

 the severity of the strain. It is likewise proper 

 in diseases of the head, viz. pains in the head, 

 sleepiness, staggers, and disorders of the eyes, 

 in swelled heels ; and likewise to carry off the re- 

 X 2 



