OF SILK. 225 



mufl: be too often pra6liced in diftempers 

 incident to brutes, who are incapable of 

 defcribing their aihnents, and generally 

 under the care of perfons who have little 

 difcernment ; yet it would be of great ufe, 

 if perfons, who have fkill and opportunity, 

 would apply themfelves to dhlinguilh the 

 diflempers which are peculiar to animals, 

 efpecially fuch animals as are profitable to 

 mankind. ^ 



The fire which is ufed, in order to raife 

 the fumes above-mentioned, fliould be of 

 very clear charcoal, placed in a chafting- 

 difli, into which fome advife to put a piece 

 of iron, in order to abforb and keep down 

 the noxious fulphur of the coal, and alfo 

 to move the chaffing-difli from one part of 

 the room to another, that it may be equally 

 fumigated, and not let flay over- long in the 

 room. However, the inconvenience and 

 trouble of the fiie might, as I think, be 

 eafily avoided, when gumms or other 

 things are ufed, which require to have 

 their fume raifed by heat. For a funnel, 

 about half a yard long, may be fitted into 

 thp air-hole on the outfide of the room -, in 

 the under part of this funnel, near to the 

 air-hole, fliould be made a hole, fome- 



Q__ what 



