lot 



Belfast Lough, are precisely the same with those, taken 

 notice of by Mr. St. Fond, at Ardenne, at Cheidevant, at 

 Montbrul; and also by Mr. Strange, in the Venetian 



Until the advocates, for the volcanic origin of basalt, 

 can discover, in lavas, something corresponding to these 

 curious circumstances, attending our basalts; can they per- 

 sist in pronouncing them to be identically the same? The 

 one (if I may be allowed to use the expression), a fac- 

 titious substance, of known, and posterior formation; the 

 other, bearing evident marks of the hand of nature, both 

 in its general arrangement in mighty strata, and also m 

 its numei-ous varieties. Tor we know, that nature de- 

 lights in diversifying her operations; and in executing, 

 what seems to us, the same work, in many difterent 

 ways. 



