n't , MATERIA MEDICA. 



aninia'. This is rather reinarkable, verdigris 

 bevno considered as a poison in the human 

 ^>od3', and is the s-jbstance which causes the 

 deleterious errects which copper vessels, 

 when employed for culinary purposes, have 

 sometimes occasioned. 



VERMILION. This is prepared nearly 

 in the same way as cinnabar, but as a little 

 arsenic is sometimes employed to heighten 

 its colour, it is never used for medical pur- 

 poses. 



VESICATORIES. A term synonimous 

 with blisters. 



VINEGAR. Though medical practition- 

 ers prefer distilled vinegar, yet, for ve- 

 terinary purposes, the best imdistilled vine* 

 ^ar is just as proper. In makes an useful 

 embrocation with about a tenth part of W 

 ammon.'ac or muriate of ammonia, for in- 

 flamed svvellin>i-5 ; and when n(?.utralize(l 

 with prepared ammonia, or salt of hartshorn, 

 forms a preparation sometimes employed ii» 

 fevers, and termed Minderus's spirit. 



Vinegar is sometimes used alone as an 

 embrocation for strains, bruises, or inflamed 

 swellings of any kind, and often with suc- 

 cess; it may be made more effectual, how- 



