Chapter II: EARLY GEOLOGICAL PERIODS.

Necessity of a general acquaintance with the outlines of

Geology—A time in which no life was possible on the globe—Length

of this period—History of life commences at the close of this

period—On the formation of rocks—The record imperfect—The three

great periods in animal life on the globe—Paleozoic Age—Animal

and vegetable life of this period—Ideal scenes in this period—The

Mesozoic Age—Animal and vegetable life of this period—Advance

noted—Abundance of reptilian life—First appearance of

birds—Nature’s methods of work—the Cenozoic Age Geological

outline—Sketch of the Eocene Age—Of the Miocene Age—What is

sufficient proof of the presence of man—Discussion on the Thenay

flints—The Pliocene Age—Animal and vegetable life of this age—Was

man present during this age?—Discussion of this subject—Summing

up of the evidence—Conclusion.

The Prehistoric World; Or, Vanished Races · 第 2 / 25 章