Principles of Geology: Or, The Modern Changes of the Earth and Its Inhabitants Considered as Illustrative of Geology

America ancient animals and plants appear beds Calabria calcareous called carbonic acid carboniferous causes century Cetacea changes channel cliffs climate coast cone continued coral crater delta deposits depth distance earth earthquakes elevation Eocene eruption Etna Etym existing feet fissures flood flowed formation formed fossil geographical Geol geological geologist globe gneiss gradually granite Gulf heat height inhabitants Ischia island Journ lakes land lapilli latitudes lava limestone marine mass matter miles mineral Monte Nuovo mountains nature observed ocean Oolite organic origin period Phil plain present quadrupeds quantity reef regions remains rise river rocks sand scoriæ sediment seen shells shores Sicily soil South America species springs stone strata stream subsidence subterranean supposed surface temperature terrestrial tertiary testacea theory thickness thousand thrown tides tion trachyte tract Trans travertin trees tuff valley vegetable Vesuvius volcanic waves whole zoophytes