ial and the second advance of the ice, in which man lived cotemporaneously with the animals of the preceding epoch, and the cave bear became extinct.
IV. Reindeer Epoch; that period when the glaciers again advanced; in which man's chief food consisted of the flesh of the reindeer (C. tarandus), that animal having made its way in numerous herds as far south as the Pyrenees.
V. Neolithic Epoch; that period in which man polished his weapons of stone, and sought to domesticate certain animals, the dog, etc.
VI. Bronze Epoch; that period characterized by weapons and implements being made chiefly of bronze.
VII. Iron Epoch; that period in which bronze was generally superseded by iron.
This classification, on the whole, seems to be the best that could be devised, for the reason it attempts to place the evidences of the existence of man in their relative geological positions.
Other methods have misled the student. There was no univ