Chapter 5

Interest in the Antiquity of man—Connected with the Glacial Age—The subject difficult—Proofs of a Glacial Age—State of Greenland to-day—The Terminal Moraine—Appearance of the North Atlantic—Interglacial Age—Causes of the Glacial Age—Croll’s Theory—Geographical causes—The two theories not antagonistic—The date of the Glacial Age—Probable length of the Paleolithic Age—Time Since the close of the Glacial Age—Summary of results.