Sketch-book of Popular Geology

amid Ammonite ancient animal appearance Arthur Seat beds Belemnite beneath boulder-clay boulders Brora Caithness Carboniferous caves Chalk character clay Coal Measures colour cone contains creature Cromarty curious cuttle-fish deposits depth earth Edition elevation existing extinct feet fish flora forests formation fossil fragments Frith furnished geological geologist glacier gneiss granitic gravel grooved hills hollow Hugh Miller hundred inches instance island lake land least Lias lignite living Loch lower mark masses miles molluscs moraine mosses neighbourhood northern occur ocean old coast line Old Red Sandstone Oolite organisms Paleozoic peculiar period Pleistocene polished portion precipices present quarry remains reptile resemble ridge rise river rocks Roderick Murchison sand scarce Scotland Scottish seems seen shells shores side Silurian Sir Roderick species specimens stone strata stratum stream surface Tertiary thick thousand tide tion tract trap trees Triassic upper valley vast vegetable waves