62 TRAVELS fllROtfGH 



have been thrown out. Is there any thing their 

 to anfwer for their origin but fufion? But I arrr 

 far from drawing henee a general conclufion, and 

 to deduce the origin of all bafalt-hills from vol- 

 canos. It is poffible, that fome might have been 

 formed by an aqueous cryftallifatton : and, I 

 frankly tell you that I was of that opinion, as I 

 faw the Saxonian and Bohemian bafakes. I fhould 

 like to examine them over again I Certain it is, 

 that the Paduan^ the Vicentine, and the Veronefe 

 bafalt-hills, have been, in former times, parts of 

 volcanos, and that they are compofed of the 

 fame lava as their other parts ; one fide of thefc 

 hills commonly being columnar, and the other 

 confifting of rude, unformed, lava maffes. I mall 

 mention fome of thefe bafalt-hills. 



// tnonte di S* Luca fopra Mafone net Marttfticafia^ 

 joining to the fouthern defcent of the hills be- 

 longing to the Sctte Communi> is calcareous at the 

 foot; but at the fummit volcanic, and covered 

 with columnar bafaltes. 



// monte Roffb, in the diftrict of Padua, is 

 entirely columnar*. 



Near Montebetto and Sorio, in the Vicentine dif- 

 trift, near Gamhttara^ there is of the fame kind, 



* Defcribed by John Strange^ Efq; in a paper to the Roya?. 

 Society, which was read 1774, andy with a fine. engraving, 

 inferred ia Philtf. Tranfaft. vol. LXV. part i. for 



