CHAPTER II.

GEOLOGY OF AFRICA--ANTIQUITY OF MAN.

THE GENERAL GEOLOGICAL FORMATION OF THE CONTINENT -- THE WANT OF COMPREHENSIVE INVESTIGATION -- SINGULAR FACTS AS TO THE DESERT OF SAHARA -- THE QUESTION OF THE ANTIQUITY OF MAN -- IS AFRICA THE BIRTHPLACE OF THE HUMAN RACE? -- OPINIONS OF SCIENTISTS TENDING TO ANSWER IN THE AFFIRMATIVE -- DARWINISM 28