( S3 ) 



ferved, a bed of pumices, mixed with a 

 great quantity of glafTes and enamels. At 

 about the diftance of a quarter of a mile 

 from the Stoves, towards Campo Bianco, 

 the tufa disappears, and the pumices remain 

 uncovered, forming a continuation with 

 thofe of Campo Bianco. I have alfo found 

 them in the road near Mount San Angelo, 

 which contains great quantities, and every- 

 where they are accompanied with glafTes. 

 If to thefe we add the other parts of Lipari 

 in which the fame fubftances abound, I fhall 

 not exaggerate if I fay that almoft two thirds 

 of this ifland, which is nineteen miles and 

 a half in circuit, are vitrified. 



This immenfe, and almoft incredible, 

 quantity of vitrifications may, probably, 

 fuggefl: to the reader the fame idea which 

 arofe in my mind when I firil viewed thefe 

 places : that the fire which has aded on 

 them muft have been extremely powerful. 

 This idea certainly appears very natural. 

 But fubfequent experience has taught me 

 that this intenfe heat is not neceflary for the 

 G 2 produdlion 



