Scotland was rising, England was sinking.

In the Pleistocene age there existed in Central Europe a rude race of hunters and fishers closely allied to the Esquimaux.
In the old glacial drift of Scotland the relics of man are found along with those of the fossil elephant.

This carries us back to that time above referred to, when a large portion of Europe was covered with ice, which had edged down from the polar regions to southerly latitudes, and, as glaciers, descended from the summits of the mountain-chains into the plains.

Countless species of animals perished in this cataclysm of ice and snow, but man survived.
In his primitive savage condition, living for the most part on fruits, roots, shell-fish, man was in possession of a fact which was certain eventually to insure his civilization.

He knew how to make a fire.