That this has been the Case with St Helena and that the great inequalities of the ground there have been originaly causd by the sinking of the ground, easily appears to an observing eye who compares the opposite ridges, which tho seperated always by deep and sometimes by tolerably broad Valleys, have such a perfect similarity in appearance as well as direction as scarce leaves room for a doubt that they formerly made a part of a much less uneven surface; and that this sinking in of the Earth has been occasiond by subterraneous fires the stones Abunduntly testifie, as they universaly shew marks of having been some time or other exposd to the effects of a great degree of heat.

Voyaging Accounts