resist; and such in this matter has been my inconsistency,--an inconsistency of which the world has furnished examples in all the sciences, and will, I trust, in its onward progress, continue to furnish many more. EDINBURGH, DECEMBER, 1856. [The last proofs of this preface were despatched by the Author to his printer only the day before that melancholy termination of his life, the details of which will be found in the "MEMORIALS" following.--AM. PUBLISHERS.] CONTENTS. PAGE MEMORIALS OF THE DEATH AND CHARACTER OF HUGH MILLER, 7 LECTURE FIRST. THE PALÆONTOLOGICAL HISTORY OF PLANTS, 33 LECTURE SECOND. THE PALÆONTOLOGICAL HISTORY OF ANIMALS, 86 LECTURE THIRD. THE TWO RECORDS, MOSAIC AND GEOLOGICAL, 141 LECTURE FOURTH. THE MOSAIC VISION OF CREATION, 179 LECTURE FIFTH. GEOLOGY IN ITS BEARINGS ON THE TWO THEOLOGIES. PART I. 211 LECTURE SIXTH. GEOLOGY IN ITS BEARINGS ON THE TWO THEOLOGIES. PART II. 237 LECTURE SEVENTH. THE NOACHIAN DELUGE. PART I. 283 LECTURE EIGHTH. THE NOACHIAN DELUGE. PART II. 320 LECTURE NINTH. THE DISCOVERABLE AND THE REVEALED, 362 LECTURE TENTH. THE GEOLOGY OF THE ANTI-GEOLOGISTS, 392 LECTURE ELEVENTH. ON THE LESS KNOWN FOSSIL FLORAS OF SCOTLAND. PART I. 429 LECTURE TWELFTH. ON THE LESS KNOWN FOSSIL FLORAS OF SCOTLAND. PART II. 463 List of Illustrations PAGE A Restoration of Sphenopteris affinis (_Frontispiece_) 1. The Genealogy of Plants, 40 2. Cyclopteris Hibernicus, 42 3. Conifer of the Lower Old Red Sandstone, 43 4. The Genealogy of Animals, 45 5. Oldhamia antiqua (_oldest known Zoophyte_), 48 6. Palæochorda minor, 49 7. Lycopodium clavatum, 51 8. Equisetum fluviatile, 51 9. Osmunda regalis (_Royal Fern_), 52 10. Pinus sylvestris (_Scotch Fir_), 53 11. Calamite? of the Lower Old Red Sandstone, 55 12. Lycopodite? of the Lower Old Red Sandstone, 55 13. Fern? of the Lower Old Red Sandstone, 56 14-19. Ferns of the Coal Measures, 58 20. Altingia excelsa (_Norfolk Island Pine_), 59 21. East Indian Fern (_Asophila perrotetiana_), 60