CONTENTS. vii CHAPTER X. Page OF THE ORIGIN AND FORMATION OF THE BEDS OF RIVERS 159 CHAPTER XI. OF THE ORIGIN AND NATURE OF THE SUBSTANCE OF coAL- MARINE VEGETATION. DISSOLVED AND TRANSMUTED IN ITS ELEMENTS, AND MINERALISED IN ITS NATIVE BED UNDER VAST ACCUMULA TIONS OF THE DESICCATED AND CONSOLIDATED SOILS OF THE PRIMITIVE SEA ? 185 CHAPTER XII. OF THE MYSTERIOUS DOMESTICITY OF ONE ENTIRE ANIMAL RACE, THE CAMEL OF ARABIA — CAUSE OF THIS WONDERFUL YET UNNO TICED PHENOMENON 200 CHAPTER XIII. OF THE EXERCISE OF CREATIVE POIVER ON THE NEW OR PRESENT, AS ON THE PRIMITIVE EARTH : — TWO UNIVERSAL EXERCISES ONLY OF THAT POWER ON OUR GLOBE INFERRIBLE FROM THE MOSAICAL RECORD AN INDEFINITE PLURALITY OF CREATIVE OPERATIONS REQUIRED BY THE SPECULATIONS OF THE MINERAL GEOLOGY '209 CHAPTER XIV. OF THE FOUR RIVERS OF EDEN, POPULARLY ASSIGNED TO ASSYRIA IN CONTRADICTION OF THE INSPIRED TESTIMONIES, WHICH UNITE TO CERTIFY THE TOTAL DESTRUCTION OF THE FIRST EARTH: — THAT APPARENT CONTRADICTION OF THE SACRED HISTORIAN EXA MINED, AND ITS CAUSE REMOVED 230 GENERAL CONCLUSION, FROM THE THREE PRECEDING PARTS OF THE COMPARATIVE ESTIMATE 244 SUPPLEMENT TO PART HI. CHAP. VI. p 123, ON CAVES IN LIMESTONE FORMATIONS, AT KIRKDALE AND ELSEWHERE, CONTAINING FOSSIL ANIMAL EXUVIAC 210