CHAPTER III.

OF THE CHANGES TO WHICH THE CRUST OF THE EARTH HAS BEEN SUBJECTED.

SECTION I.--CHANGES WHICH HAVE TAKEN PLACE AT GREAT DEPTHS BELOW THE SURFACE, 67

SECTION II.--CHANGES IN THE MASS OF THE STRATIFIED ROCKS, 68

SECTION III.--CHANGES OF ELEVATION AND SUBSIDENCE, 73

SECTION IV.--CHANGES ON THE SURFACE OF THE EARTH, 85

SECTION V.--CHANGES OF CLIMATE, 88

SECTION VI.--ADVANTAGES RESULTING FROM GEOLOGICAL CHANGES, 91