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formation of thefe iflands. We may con- 

 clude from them : Firft, That the part of 

 the iflands which is buried under the waters 

 of the fea, has fuffered the adlion of the fire 

 in the fame manner with that which is ex- 

 pofed to the eye of the obferver. Second- 

 ly, That Vulcano, Lipari, and Saline form 

 one continued group of volcanized fub- 

 ftances, which, at firft, might probably have 

 one common central conflagration, that, di- 

 viding into three branches, and affording a 

 pafTage to three diftindt mouths, gave birth 

 to three iflands, which conflagration, by 

 fubaltern and fucceffive ramifications, and 

 ejedions of new matters, afterwards in- 

 creafed in extent. No fenfible remains, in- 

 deed, of fuch a fire are at prefent difcover- 

 able in the internal parts of SaUne, nor 

 are any phferva-ble in Lipari, its whole effi- 

 cacy appearing to be confined to Vulcano. 

 Thirdly, That Alicuda, Felicuda, and Saline 

 do not appear to have any volcanic commu- 

 nication with each other, at leaft in the 

 parts that form the bed of the fea, which 

 feparates thefe three iflands from each other ; 

 M 2 lince 



