Earthquakes and Volcanos proceed from the same common Cause--Recent Earthquakes in New Zealand--Vast Tracts of Land permanently upraised--Earthquakes of Chili in the present Century --Crust of the Earth elevated--Earthquake of Cutch in India, 1819--Remarkable Instance of Subsidence and Upheaval--Earthquake of Calabria, 1783--Earthquake of Lisbon, 1755--Great Destruction of Life and Property--Earthquake of Peru, August, 1868--General Scene of Ruin and Devastation--Great Sea Wave--A Ship with all her Crew carried a Quarter of a Mile inland--Frequency of Earthquakes, 258 CHAPTER XVII. SUBTERRANEAN HEAT--ITS POWERS ILLUSTRATED BY UNDULATIONS OF THE EARTH’S CRUST. Gentle Movements of the Earth’s Crust within Historic Times--Roman Roads and Temples submerged in the Bay of Baiæ--Temple of Jupiter Serapis--Singular Condition of its Columns--Proof of Subsidence and subsequent Upheaval--Indications of a second Subsidence now actually taking place--Gradual Upheaval of the Coast of Sweden--Summary of the Evidence adduced to establish this Fact--Subsidence of the Earth’s Crust on the West Coast of Greenland--Recapitulation, 271 PART II. THE ANTIQUITY OF THE EARTH CONSIDERED IN RELATION TO THE HISTORY OF GENESIS. CHAPTER XVIII. STATEMENT OF THE QUESTION AND EXPOSITION OF THE AUTHOR’S VIEW. The General Principles of Geological Theory accepted by the Author --These Principles plainly import the extreme Antiquity of the Earth--Illustration from the Coal, the Chalk, and the Boulder Clay--This Conclusion not at Variance with the Inspired History of the Creation--Chronology of the Bible--Genealogies of Genesis--Date of the Creation not fixed by Moses--Progress of Opinion on this Point--Cardinal Wiseman, Father Peronne, Father Pianciani--Doctor Buckland, Doctor Chalmers, Doctor Pye Smith, Hugh Miller--Author’s View explained--Charge of Rashness and Irreverence answered--Admonitions of Saint Augustine and Saint Thomas, 280 CHAPTER XIX. FIRST HYPOTHESIS;--AN INTERVAL OF INDEFINITE DURATION BETWEEN THE CREATION OF THE WORLD AND THE FIRST MOSAIC DAY.