( s ) 



ijfii'mg from fuhterranean conf,agrations are 

 fo extenfive as at Llpari — Vitrifications of 

 CampoBiaiico^ and the Monte delLi Cafag- 

 7ia^ 'which are found attached to thofe of 

 the Monte dellc Stufe^ the Monte San An-- 

 gelo, and other places — Proofs that aimofi 

 two-thirds of Lipari, which tfland is iiine^ 

 teen miles and a hj.lf in circumference^ are 

 compofed of vitr if cations — "The mate?'ials 

 of which this ifland is compofed^ prin- 

 cipally derived from the petroflex^ fi^^' 

 fpars in the mafsy and horn-fones, in part 

 fimply ffed by fubterraneous combufionsy 

 and in a fill greater part vitrified- — Not- 

 withfanding the immenfe accu?nulations of 

 this vitrifcation^ an extraordinary intenfity 

 of heat not neceffary to be fuppofed— An 

 exception in the pumices orighiating from 

 granite — Few notices left us by ancient 

 authors relative to the fres of Lipari ; 

 though we hnois) from indubitable au- 

 thorities^ that both the if and and the city 

 exifed before the Trojan war — "No erup- 

 tion in this ifland defcribed by Hifory — 

 Feeble fres, vifible by night, alone ob- 

 B 3 ferved 



