OBSERVATIONS. 5 



Gregory,, in the Mock Doctor, who fays 

 *^ The heart was formerly on the left fide, but 

 '* the COLLEGE have altered all tliat, and 

 " placed it on the right'' 



To produce a cafe exaclly iimilar in the 

 World of Farriery, let us take' a furvey 

 of the medical abilities of Gibson, who cer- 

 tainly wrote much better on the fubjed than 

 Bracken ; v/here we fhall find ordered, m a 

 iingle prefcription for a purging bail, t'-voo ounces 

 of aloes, with the addition of the other ufual 

 purging articles, though modern pradiice and 

 experience fix the eftablifhed proportion at 

 exadlly haf, or at mofty/-i'^ eighths^ to the 

 ftrongefl: horfes, with the cathartic aids before 

 mentioned. He alfo moil: courageoufly re- 

 commends haf an ounce of calomel, ox: fub limed 

 mercury y in a fmgle ball ; and fpeaks of the 

 internal adminiftration of moft powerful poi- 

 fonSj corrofive fubliniate, or red precipitate, as 

 a matter of courfe : the proportion for a dofe 

 being curioufly afcertained by the fublime 

 menfuration of a "^ filver two-pence," as if a 

 premium had been abfolutely provided by an 

 a6l of parliament for the general extirpation ot 

 Jhe breed of HORSES, as defiruSive to the 



B 3 interejls 



