? ii CONTENT S. 



CHAP. XLVI. page 313. 



Mountains. 



J)tftinion between Hills and Mountains. Mountains primaiial or 

 Jecendary. Granite Mountains only fvppofed in general primeval. 

 ~-Some Lime-Jlone Mountains primaeval. Alluvial Mountains. 

 Entire and ftratif.ed Mountains t Mountains homogeneous and he- 

 terogeneous, Confufed Mountains. Volcanic Mountains. -Height 

 cf Mountains, how meafured. Computed Heights of the mojl re* 

 markable Mountains, Line of Congelation in different Parts of the 

 World. 



CHAP. XL VII. page 319. 



Volcanoes. 



Central Olfervations oa Volcanoes. *[ heir Connexion with the Sea.-~ 

 Immexje Force of fubterraneous Fires exemplified in various Injlances. 

 Theory of Volcanoes. Great Depth. ^-Traces of Volcanoes in, 

 different Parts of the World.-*-DeJcription of &tna.~ Eruption of 

 /f 1704. 



CHAP. XLVIIL page 362. 



Earthquakes. 



CenneFiion between Earthquakes and Volcanoes. Earthquakes caufed- 

 by the Progrej's of Steam between the Strata of the Earth. Signs of- 

 approaching Earthquakes. Great Earthquake at Li/Ion, in IJS5" 

 <.arib<iuakfs in Calabria, in 1783. 



E O K 



