( r46 ) 



in the fame manner that I did thofe which 

 form the bafe or fhore of it. I fhall not 

 defcribe them particularly, as it appears un- 

 neceflary-j they generally having the petro- 

 filex or horn- ft one for their bafe, and 

 abounding more or lefs, as ufual, in feltfpars. 

 Their external furface is covered with a 

 yellowifh and friable coating, originating 

 in a beginning decompofition. The deep 

 frad:ures which we find in many parts of 

 them enabled me to perceive that they mull 

 have flowed at different periods, forming 

 beds or ftrata one above the other, as is 

 frequently obferved in other volcanized 

 countries. 



M. Dolomieu was of opinion that " Fe- 

 *' licuda and Alicuda had once formed a 

 *' fingle conical mountain, which had been 

 " opened and feparated on one fide.'* 



This is certainly not impoffible, but I 

 muft fay it appears to me extremely impro- 

 bable. If the fea, or any other violent 

 agent, had divided this conical mountain 



into 



