106 



yeaft; and, as it rifes, put in an ounce of oil of 

 turpentine. 



POLE EVIL. 



As this is only to be regarded as a fiftulous fore, 

 fo its treatment, when it has broke, is the fame as 

 is defcribed under the article Fistula. 



But before it breaks, it muft be treated as a com- 

 mon inflammation ; that is, by bleeding, keeping 

 the horfe low, and conflantly applying the faturnine 

 or goulard poultice [feePouLTiCE, No. 2J, and never 

 making ufe of hot, fpirituous, or oily embrocations, 

 when it is in this ftate, as that only advances the 

 difeafe. The cooling treatment muft not be conti- 

 nued after the tumour is felt to fluctuate, that is, 

 after it feels foft : in this cafe the horfe muft be bet- 

 ter kept, and the common poultice [fee Poultice, 

 No. ]] applied till it breaks, oris fit to open, which 

 ftiould be done with a feton needle pafted from the 

 top of the tumour to the fide, fo as to let out all the 

 matter gradually. If the tumour is large, from the 

 top opening, another feton rtiould be paiTed through 

 the other fide, as near the bottom of the fac, or ab- 

 fcefs, as poftible. 



POWDERS. 

 Powders are medicines prepared in a dry pulve- 

 rized form, and are hence convenient for carriage 



