MEDICINES 469 



grains to an ounce of water, is an excellent application in opthal- 

 mia, when the inflammatory stage is passing over ; and quittor is 

 most successfully treated by a saturated solution of white vitriol 

 being injected into the sinuses. A solution of white vitriol of less 

 strength forms a w^ash for grease that is occasionally useful, wher 

 i.he alum or blue vitriol does not appear to succeed. 



ZiNGEBERis Radix. — Ginger Root. — This is an admirable sti- 

 mulant and carminative. It is usefiil in loss of appetite and fla- 

 tulent colic, while it rouses the intestinal canal to its propei 

 action. The cordial mass resorted to by the best surgeons con- 

 sists of equal parts of ginger and gentian beaten into a mass 

 with treacle. 



