vii, and the Description du Musee de St.-Germain.

As to the Kessler etchings and their antiquity, see D.G.Brinton, in Science, August 12, 1892.

For comparison of this prehistoric work with that produced to-day by the Eskimos and others, see Lubbock, Prehistoric Times, chapters x and xiv.

For very striking exhibitions of this same artistic gift in a higher field to-day by descendants of the barbarian tribes of northern America, see the very remarkable illustrations in Rink, Danish Greenland, London, 1877, especially those in chap.

xiv.
As a result of these discoveries and others like them, showing that man was not only contemporary with long-extinct animals of past geological epochs, but that he had already developed into a stage of culture above pure savagery, the tide of thought began to turn.