SUBTERRANEAN HEAT--ITS EXISTENCE DEMONSTRATED BY FACTS.
Theory of Stratified Rocks supposes Disturbances of the Earth’s
Crust--These Disturbances ascribed by Geologists to the Action
of subterranean Heat--The Existence of Subterranean Heat,
and its Power to move the Crust of the Earth, proved by direct
Evidence--Supposed Igneous Origin of our Globe--Remarkable
Increase of Temperature as we descend into the Earth’s Crust--Hot
Springs--Artesian Wells--Steam issuing from Crevices
in the Earth--The Geysers of Iceland--A Glimpse of the subterranean
Fires--Mount Vesuvius in 1779--Vast Extent of
Volcanic Action--Existence of subterranean Heat an established
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