CONTENTS. XV 



pagi; 



9. LECTURE IV. Part 1 293—359 



1. Introductory. 2. Formations of the Secondary Epoch. 3. Cretaceous 

 Formation. 4. Chalk Downs. 5. Flint nodules and veins. 6. Organic 

 remains in flint. 7. Animalcules in flint. 8. Xanthidia. 9. Middle 

 and Lower groups of the cretaceous strata. 10. Folkstone Cliffs. 

 11. Cretaceous strata of Maestricht. 12. The Mosasaurus. 13. Cre- 

 taceous deposits of other countries. 14. Organic remains of the Chalk 

 Formation. 15. Fossil vegetables. 16. Zoophytes of the Chalk. 17. 

 Animalculites of the Chalk. 18. Chalk Rotalise. 19. Chalk detritus 

 at Charing. 20. Spirolinites. 21. Crinoidea of the Chalk. 22. Star- 

 fish. 23, Echinites. 24. Shells of the Chalk. 25. Cephalopoda. 26. 

 The Nautilus. 27. Ammonites. 28. Turrilites and Hamites. 29. The 

 Belemnite. 30. Crustaceans of the Chalk. 31. Fishes of the Chalk. 

 32. Scales of Fishes. 33. Teeth of Sharks. 34. Hypsodon and other 

 fishes. 35. Fossil Salmon. 30. The Macropoma. 37. Beryx, and other 

 fishes of the Chalk. 38. Reptiles of the Chalk. 39. Fossil Turtles. 

 40. Summary. — Tabular arrangement of Sussex Chalk fishes. 



10. LECTURE IV. Part II 360—449 



1. Geology of the South-east of England. 2. Geological phenomena be 



tween London and Brighton. 3. London and Brighton Railway Sec- 

 tions. 4. The Wealden Formation. 5. Wealden of the Sussex coast. 

 6. Pounceford. 7. Tilgate Forest. 8. Ripple-marks on Wealden sand- 

 stone. 9. Subdivisions and extent of the Wealden. 10. Wealden of 

 the North of Germany. 11. Wealden of the Isle of Wight. 12. Fossil 

 Trees at Brook Point. 13. Wealden of the Isle of Purbeck. 14. Coves 

 in the S.W. of Purbeck. 15. The Isle of Portland. 16. Petrified 

 Forest of the Isle of Portland. 17. Mantelliae. 18. Dirt-bed of the 

 Isle of Purbeck. 19. Organic Remains of the Wealden. 20. Fossil 

 Vegetables. 21. Fossil Cycadeous Plants. 22. Clathraria Lyellii. 23. 

 Fruits of Coniferous Trees. 24. Univalve Shells of the Wealden. 25. 

 Bivalve Shells of the Wealden. 26. Crustaceans of the Wealden. 27. 

 Wealden Insects. 28. Wealden Fishes. 29. Reptiles of the Wealden. 

 30. Fossil Turtles. 31. Marine Reptiles. 32. Crocodilian Reptiles. 

 33. Fossil Teeth of Crocodiles. 34. Fossil Crocodile of Swanage. 35. 

 The Dinosaurians. 36. Megalosaurus. 37. Iguanodon. 38. Teeth 

 of the Iguanodon. 39. The Maidstone Iguanodon. 40. Vertebra? of 

 the Iguanodon. 41. Bones of the extremities. 42. Magnitude and 

 proportions of the Iguanodon. 43. The Hykeosaurus. 44. Pterodactyles 

 of the Wealden. 45. Birds of the Wealden. 46. The Country of the 

 Iguanodon. 47. Sequence of Geological changes. 48. Retrospect. 



11. Appendix— Supplementary Notes 451—458 



12. Description op the Plates: — The Frontispiece 461 



Geological Map op England 462 



Description of Plate II 46C 



Ill 465 



IV 470 



13. Addenda 4;i 



,44. Index to Vol. I... 473 



