the introduction of mammalia. A band of the ill-fated race, thus invaded by the Flood, had, during the march of the waters, taken refuge in caverns amidst the loftier rocks, and, wandering through these hollows, they lost sight of the upper world for ever. Indeed, the whole face of the earth had been changed by this great revulsion; land had been turned into sea—sea into land. In the bowels of the inner earth even now, I was informed as a positive fact, might be discovered the remains of human habitation— habitation not in huts and caverns, but in vast cities whose ruins attest the civilisation of races which flourished before the age of Noah, and are not to be classified with those genera to which philosophy ascribes the use of flint and the ignorance of iron.
The fugitives had carried with them the knowledge of the arts they had practised above ground—arts of culture and civilisation. Their earliest want must have been that of supplying below the earth the light they had lost above it; and at no time, even in the traditional period, do the races, of which the one I now sojourned with
