ON WORMS. 457 



they are made. If the calomel (liould be found 

 too mild, the more powerful preparations of 

 mercury may be fubRituted, as diagridium or 

 turbith ; fcammony alfo is very efficacious. 

 Clothe well, and beware of cold. Should the 

 fubject be too much reduced, and the powers 

 of the ftomach debilitated by the neceflary force 

 of thofe powerful fpecifics, recruit with bark, 

 bitters, and fteel as before repeated ; or two 

 drachms to half an ounce fteel filings, in the 

 corn, for fome weeks ; or grafs. Where the 

 time and attendance cannot be fpared for the 

 above regular courfe, it has always been ufual 

 to give worm-powders, or other alteratives, in 

 the horfe's feeds ; and a^thiops has been the 

 common vermifuge bafis from the earlieft days 

 of Gibfon : Captain Burdon was bold enough 

 to order two ounces of it for a dofe. I know 

 not how, or by what accident, it has happened, 

 but the sethiops has often deceived me, parti- 

 cularly of late, paffing forth of the inteftines un- 

 changed. I would therefore recommend a 

 trial of alkalized or calcined mercury, half a 

 drachm, to a drachm of which, finely powder- 

 ed, may be given every other day, mixed up 

 with a large fpoonful of powdered guiacum, 

 turm.eric, and anifeeds, and continued a fort- 

 night to a month, the ufual care being taken of 

 cold, and warm water given if poffible ; the 



glyfters 



