CHAPTER XI

.

The Lammermuirs.—The Border Land.—Reptilian Foot-Prints in Old Red Sandstone of Pennsylvania.—General Structure of Scotland, 150

## PART II.

GEOLOGY OF ENGLAND.

## CHAPTER I .

General Sketch.—Geology of the Lake District, 160

## CHAPTER II .

The Permian System.—The New Red Sandstone.—Foot-Prints near Pottsville, Pennsylvania—In Connecticut, Massachusetts, and Virginia.—Rock-Salt.—Exhumation of immense Skeletons of Birds, 168

## CHAPTER III .

The Oolite System.—Period of Gigantic Reptiles, 183

## CHAPTER IV .

The Wealden Formation—Remarkable Fossils of, 198

## CHAPTER V .

The Cretaceous System.—General Reflections, 206

## CHAPTER VI .

The Tertiary System—Eocene and Miocene Formations of.—London Basin, 216

## CHAPTER VII .

The Mammoth Period.—Remains of, on Banks of Missouri.—Concluding Remarks, 229

## PART III.

FRANCE AND SWITZERLAND.

## CHAPTER I .

Physical Union of France with England.—Basins of Paris and the Loire.—Volcanic District of Central France—Auvergne, 241

## CHAPTER II .

Geological Structure of Switzerland—The Alps—Mont Blanc—Bowlder Formation—Glaciers, 265

## CHAPTER III .

Thickness of the Earth’s Crust.—Central Heat—Theories of, 279

## PART IV.

GENERAL PRINCIPLES.

## CHAPTER I .

Résumé, 286

## CHAPTER II .

Theories of Organic Life—“Vestiges of the Natural History of Creation,” 293

## CHAPTER III .

Analogical Order—Physical and Moral—of Progression, 311

## CHAPTER IV .

The Extinction of Organic Life, 320

## CHAPTER V .

Time, and the Geological Epochs, 328

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