*laB4 



P, 



CONTENTS OF THE SECOND VOLUME. 



XI 



Rocks 



*^aii 



E; 



fit 



«»d of C'^'i^ 



Irid 



u 





T. 



^ «^ Authorities 



r ■ '^'"^ i^ the 

 - •* "• -Difficultj 



^lejsina-Sliift or 



■ig of F;.;,ures- 



^ Fissures-Gra- 



islips— Buildings 

 baped HolloTsin 



' V-i^w Scilla iniui- 



ifin and Mode of 



.in Source of the 



hquake of I'So- 



. Hi 



Domingo, 



Retreat 



1710" 

 of* 



aent Elevation; 



^ • ' .-.Dce u 



u 



^ j^t - ration an^ 



$ 



Cape Southwards to Scania — Change of Level on the West Coast near Gothen- 

 burg—Geological Proofs of the great Oscillation of Level since the Glacial 

 Period at Uddevalla — Upraised Marine Deposits of the Western Coast of Swe- 

 den containing Shells of the Ocean, those on the Eastern Coast Shells of the 

 Baltic — Whether Norway IS now rising — Modern Subsidence in Part of Greenland 

 ■Proofs afforded by these Movements of great Subterranean Changes page 180 



CHAPTER XXXII. 



CAUSES OF EARTHQUAKES AND VOLCANOS. 



Intimate Connection between the Causes of Volcanos and Earthquakes — Supposeci 

 Original State of Fusion of the Planet — Its simultaneous and universal Eluidity 

 not proved by its Spheroidal Figure — Attempt to calculate the Thickness of the 

 Solid Crust of the Earth by Precessional Motion — Heat of Earth's Crust 

 increasing with the Depth, but not equally — No internal Tides of supposed 



Central Fluid perceptible — Supposed Change of Axis of Earth's Crust Partial 



Fluidity of the Earth's Crust most consistent with Volcanic Phenomena of the 

 Past and Present — Abandonment of the Data by which the earlier Geologists 

 supported their Theory of the Pristine Fluidity of the Earth's Crust— Doctrine 

 of a continual Diminution of Terrestrial and Solar Heat considered . 198 



CHAPTfiE XXXIII. 



CAUSES OF EARTHQUAKES AND YOLCANOS C07ltinued. 



Agency of Steam in Volcanic Eruptions— Geysers of Iceland— Expansive Power 

 of Liquid Gases— Access of Salt Water, Atmospheric Air, and Fresh Water to 

 the Volcanic Foci— How the successive Development of Volcanic Heat in the 

 Earth's Crust causes it to resemble a Body cooling from a general State of 

 Fusion— Flexibility of the Earth's Crust— Electricity and Magnetism considered 

 as Sources of Volcanic Heat— Chemical Action— Causes of Permanent Eleva- 

 tion and Subsidence of Land— Balance of Dry Land, how preserved— Eecapitu- 

 lation of Chapters xxn. and xxin 214 



BOOK III. 



CHANGES OF THE ORGANIC WORLD 



iW 



jjat-aKES' 



1 



^n 



nic 



Opi"'"" 

 ' ■el>" 



ini"' 



^'^ Facility °^ 



. Co^'' ": >'ort^ 



H 



1 



froC 



the- 



CHAPTER XXXIV. 



LAMARCK ON THE TRANSMUTATION OF SPECIES. 



Division Of the Subject-Examination of the Question, Whether Species have a 

 real Existence m Nature P-Importance of this Question in Geology-Sketch of 

 Lamarck s Arguments an favour of the Transmutation of Species, and his Con- 

 jectures respecting the Ongin of existing Animals and Plants-His Theory of 

 the Transformation of the Orang-outang into the Human Species . . 244 



