CHAPTER IV.

PRE-GLACIAL EPOCHS.

North America during the Tertiary--Europe--Climate--Fauna of Eocene--Of Miocene--Of Pliocene--Traces of Man--Opinions of Lyell, Lubbock, and A. R. Wallace--Man in the Pliocene-- Hearth under Osars--Human bones from Savonia--Discoveries at St. Prest--Skull from Altaville--Prof. Denton's Statement-- Man in the Miocene--Flints from Pontlevoy--Flint-flake from Aurillac--Marks on bones near Pouance--Implements from Colorado and Wyoming--Eocene--Glacial Periods during the Miocene. 58