Part 3

Of Alluvial Formations, 26

Of the Formation of Downs, 28

Of the Formation of Cliffs, or Steep Shores, 29

Depositions formed in Water, 30

Of Stalactites, 31

Of Lithophytes, 32

Of Incrustations, 32

Of Volcanoes, 34

Constant Astronomical Causes, 36

Older Systems of Geologists, 38

More Recent Systems, 41

Diversities of all the Systems, 44

Causes of these Differences, 46

Nature and Condition of the Problem, 46

Progress of Mineral Geology, 49

Importance of Fossil Remains in Geology, 51

High importance of the Fossil Bones of Quadrupeds, 53

Small probability of discovering new Species of large Quadrupeds, 56

Inquiry respecting the Fabulous Animals of the Ancients, 69

Difficulty of determining the Fossil Bones of Quadrupeds, 82

Principle by which this determination is effected, 83

View of the general Results of these Researches, 94

Relations of the Species of Fossil Animals, with the Strata in which they are found, 95

Proofs that the extinct Species of Quadrupeds are not Varieties of the presently existing Species, 102

Proofs that there are no Fossil Human Bones, 114

Physical Proofs of the Newness of the present Continents, 121

Additions of Land by the action of Rivers, 123

Progress of Downs, 133