ULCERS. 171 



with the following escharotic powders : take blue 

 vitriol, and wheaten flour, of each equal parts 

 mixed well together, to be secured on the wound 

 with a pledget of tow, bandaged on with a roller ; 

 this dressing may remain on for about three days ; 

 afterwards clean it well, and dress it by sprinkling 

 a little of the escharotic powders on the digestive 

 ointment or oils (No. 121, p. 159, or No. 119, 

 p. 157) according to the condition or appearance 

 of the wound. See Chap. XXX. p. 143 {for 

 wounds in various parts). In the latter case, 

 when it is found necessary to remove the caries 

 by the application of caustics, the lunar caustic, 

 or sublimate, may be resorted to ; the method of 

 using them must be according to the part of the 

 body in which the ulcer may be seated.* 



Ulcers seated on parts where bandages can be 

 applied, are much more easy to cure than such as 

 are found on parts where the dressing cannot be 

 supported. 



The following is an efficacious medicine in 

 cleansing and healing foul ulcers, either on the 

 joints or the tendonous parts. 



* See chapter on quittors, the poll-evil, and fistulas, 

 irifra. 



