TABLE OF CONTENTS. 

 VOL. I. 



PAGE 



1. Dedication iii 



2. Advertisement v 



3. Preface to the former Edition vii 



4. Address to the Reader x 



5. Introduction by Professor Silliman 1—24 



6. LECTURE 1 25—122 



1. Introductory. 2. Nature of Geology. 3. Harmony between Reve- 

 lation and Geology. 4. Duration of geological Epochs. 5. Structure of 

 the Earth. 6. Geographical Distribution of Animals and Plants. 7. 

 Temperature of the Earth. 8. Nature of the Crust of the Globe. 9. 

 Classification of Rocks. 10. Geological Mutations. 11. Connexion of 

 Geology with Astronomy. 12. Nebular theory of the Universe. 13. 

 Various states of the Nebulae. 14. Formation of the Solar System. 

 15. Gaseous state of the Earth. 16. Geology elucidated by Astronomy. 

 17. Aerolites. 18. Origin of Aerolites. 19. Existing geological Agents. 

 20. Aqueous Agency: the effects of Streams and Rivers. 21. Deltas 

 of the Ganges and Mississippi. 22. Formation of Fluviatile Strata. 

 23. Ripple-marks. 24. Lewes Levels. 25. Remains of Man in modern 

 Deposits. 26. Peat Bogs. 27. Conversion of Peat into Coal. 28. Sub- 

 terranean Forests. 29. Geological effects of the Ocean. 30. The Bed 

 of the Ocean. 31. Effects of Currents. 32. Icebergs and Glaciers. 

 33. Incrusting Springs. 34. Incrustations. 35. Lake of the Solfatara. 

 36. Marble of Tabreez. 37. Stalactites and Caverns. 38. Consolidation 

 of loose Sand. 39. Destruction of Rocks by Carbonic Acid. 40. Car- 

 bonic Acid in Caves. 41. Consolidation by Iron. 42. Recent Lime- 

 stone of the Bermudas. 43. Fossil human Skeletons. 44. Isle of Ascen- 

 sion. 45. Drifted Sand. 46. Formation of recent Sandstone. 47. Sili- 

 ceous depositions. 48. The Geysers of Iceland. 49. Siliceous Thermal 

 Waters of New Zealand. 50. Artificial Solution of Silex. 51 . Hertford- 

 shire Pudding-stone. 52. Effects of high Temperature. 53. Volcanic 

 agency. 54. Subsidence and Elevation of the Temple at Puzzuoli. 

 55. Historical Evidence. 56. Causes of these changes. 57. Elevation 

 of the Chilian Coast. 58. Raised Sea-beach at Brighton. 59. Elevation 

 of Scandinavia. 60. Mutations in the relative Level of Land and Sea. 

 61. Retrospect. 



