We may conclude then that there was a Bronze Age in most countries; that it was the direct result of increasing intercommunication of races and the spread of commerce; and that the discovery of metals was due to information brought to Stone-Age man in Europe by races which were already skilful metallurgists.
The contents of the relic beds indicate that they belong for the most part to the age of bronze, although in some cases they may be referred to the latter part of the Stone age.
He is a firespirit, who is pressed into man's service, and typifies the advance from the stone age to a higher stage of civilization (working in metals).
He now made up his mind to study the real wilderness in its gloom and vastness, and to meet face to face the dusky warriors of the Stone Age.
In the shadowy age which preceded the Stone age and hardly ended later than 10,000 B.C., the cave-dwellers of the Dordogne could draw elks, bisons, elephants and other animals at rest or in movement, with a freshness and realism which to-day only a Landseer can rival.