The Old Red Sandstone; or, New Walks in an Old Field

The Cornstone Formation and its Organisms.--Dwarf Vegetation.--_Cephalaspides._--Huge Lobster.--Habitats of the existing Crustacea.--No unapt representation of the Deposit of Ba...

Upper Formations of the Old Red Sandstone.--Room, enough for each and to spare.--Middle, or Cornstone Formation.--The _Cephalaspis_ its most characteristic Organism.--Descriptio...

The Elfin-fish of Gawin Douglas.--The Fish of the Old Red Sandstone scarcely less curious.--Place which they occupied indicated in the present Creation by a mere Gap.--Fish divi...

Fossils of the Upper Old Red Sandstone much more imperfectly preserved than those of the Lower.--The Causes obvious.--Difference between the two Groups, which first strikes the...

Geological Physiognomy.--Scenery of the Primary Formations; Gneiss, Mica Schist, Quartz Rock.--Of the Secondary; the Chalk Formations, the Oolite, the New Red Sandstone, the Coa...

Lamarck's Theory of Progression illustrated.--Class of Facts which give Color to it.--The Credulity of Unbelief.--M. Maillet and his Fish-birds.--Gradation not Progress.--Geolog...

The Old Red Sandstone.--Till very lately its Existence as a distinct Formation disputed.--Still little known.--Its great Importance in the Geological Scale.--Illustration.--The...

"It is really a scientific treatise, fitted to instruct and enlarge the mind of the reader, but at the same time it invests the subjects it describes with the radiance of the im...

Speculations in the Old Red Sandstone, and their Character.--George, first Earl of Cromarty.--His Sagacity as a Naturalist at fault in one Instance.--Sets himself to dig for Coa...

Successors of the exterminated Tribes.--The Gap slowly filled.--Proof that the Vegetation of a Formation may long survive its Animal Tribes. Probable Cause.--Immensely extended...

The Classifying Principle, and its Uses.--Three groups of Ichthyolites among the Organisms of the Lower Old Red Sandstone.--Peculiarities of the Third Group.--Its Varieties.--De...

Further Discoveries of the Ichthyolite Beds.--Found in one Locality under a Bed of Peat.--Discovered in another beneath an ancient Burying-ground.--In a third underlying the Lia...

The two Aspects in which. Matter can be viewed; Space and Time.--Geological History of the Earlier Periods.--The Cambrian System,--Its Annelids.--The Silurian System.--Its Coral...

The Working-man's True Policy.--His only Mode of acquiring Power.--The Exercise of the Faculties essential to Enjoyment.--No necessary Connection between Labor and Unhappiness.-...

The Lines of the Geographer rarely right Lines.--These last, however, always worth looking at when they occur.--Striking Instance in the Line of the Great Caledonian Valley.--In...

the middle formation of the system, characterized also by its peculiar organic group. (See Chapter VIII.) _e._ Red and variegated sandstones, undistinguishable often in their mi...

The Cornstone Formation and its Organisms.--Dwarf Vegetation.--_Cephalaspides._--Huge Lobster.--Habitats of the existing Crustacea.--No unapt representation of the Deposit of Ba...

The Old Red Sandstone.--Till very lately its Existence as a distinct Formation disputed.--Still little known.--Its great Importance in the Geological Scale.--Illustration.--The...

Fossils of the Upper Old Red Sandstone much more imperfectly preserved than those of the Lower.--The Causes obvious.--Difference between the two Groups, which first strikes the...

Successors of the exterminated Tribes.--The Gap slowly filled.--Proof that the Vegetation of a Formation may long survive its Animal Tribes.--Probable Cause.--Immensely extended...

Further Discoveries of the Ichthyolite Beds.--Found in one Locality under a Bed of Peat.--Discovered in another beneath an ancient Burying-ground.--In a third underlying the Lia...

Lamarck's Theory of Progression illustrated.--Class of Facts which give Color to it.--The Credulity of _Unbelief_.--M. Maillet and his Fish-birds.--Gradation not Progress.--Geol...

The two Aspects in which Matter can be viewed; Space and Time.--Geological History of the Earlier Periods.--The Cambrian System.--Its Annelids.--The Silurian System.--Its Corals...

The Working-man's true Policy.--His only Mode of acquiring Power.--The Exercise of the Faculties essential to Enjoyment.--No necessary Connection between Labor and Unhappiness.-...

Speculations in the Old Red Sandstone, and their Character.--George, first Earl of Cromarty.--His Sagacity as a Naturalist at fault in one instance.--Sets himself to dig for Coa...

Upper Formations of the Old Red Sandstone.--Room enough, for each and to spare.--Middle, or Cornstone Formation.--The Cephalaspis its most characteristic Organism.--Description....

The Lines of the Geographer rarely right Lines.--These last, however, always worth looking at when they occur.--Striking Instance in the Line of the Great Caledonian Valley.--In...

The Elfin-fish of Gawin Douglas.--The Fish of the Old Red Sandstone scarcely less curious.--Place which they occupied indicated in the present Creation by a mere Gap.--Fish divi...

The Classifying Principle and its Uses.--Three Groups of Ichthyolites among the Organisms of the Lower Old Red Sandstone.--Peculiarities of the Third Group.--Its Varieties.--Des...

Geological Physiognomy.--Scenery of the Primary Formations; Gneiss, Mica Schist, Quartz Rock.--Of the Secondary; the Chalk Formations, the Oolite, the New Red Sandstone, the Coa...