Index 321 LIST OF ILLUSTRATIONS. Fig. Page 1. Fossil Shells in clay 22 2. Tracks, probably of Crustaceans 22 3. Structure of Silicified Wood in tangential section: _Araucarioxylon Daintreei_, Chapm. 24 4. Portrait of William Smith 26 5. Raised Beach: Brighton, England 28 6. Raised Beach: Torquay, Victoria 28 7. Marine Fossils in Volcanic Tuff: Summit of Snowdon 29 8. Kitchen Middens: Torquay, Victoria 30 9. Submerged Forest on the Cheshire Coast 30 10. _Pecten murrayanus_, Tate. A fossil shell allied to a living species 32 11. Cliff section: Torquay, Victoria 42 12. Diagram of superposition of Strata 42 13. Diagram of the Range-in-time of Australasian Fossils 50 14. _Diprotodon_ skeletons in situ: Lake Callabonna, S. Australia 51 15. Bird remains on sand dunes: King Island, Bass Strait 52 16. Impression of Bird's feather in Ironstone: Western Victoria 52 17. A Fossil Turtle: _Notochelone costata_, Owen sp. 52 18. A Ganoid Fish: _Pristisomus crassus_, A. S. Woodward 54 19. A fossil Insect in amber (_Tipula sp._) 54 20. A fossil Crustacean: _Thalassina emerii_, Bell 55 21. An Ammonite: _Desmoceras flindersi_, McCoy sp. 55 22. Belemnites: _Belemnites diptycha_, McCoy 56 23. A Group of Lamp-shells: _Magellania flavescens_, Lam. sp. 56 24. Zoarium of a living Polyzoan: _Retepora_ sp. 58 25. A fossil Polyzoan: _Macropora clarkei_, T. Woods sp. 58 26. Fossil Worm-tubes: (?) _Serpula_ 60 27. A living Sea-urchin: _Strongylocentrotus erythrogrammus_, Val. 60 28. A fossil Sea-urchin: _Linthia antiaustrails_, Tate 60 29. A fossil Brittle-Star: _Ophioderma egertoni_, Brod. sp. 60 30. A fossil Crinoid: _Taxocrinus simplex_, Phillips sp. 62 31. Graptolites on Slate: _Tetragraptus fruticosus_, J. Hall sp. 62 32. A Stromatoporoid: _Actinostroma_ 63 33. Corals in Devonian Marble: _Favosites_ 64 34. Siliceous Skeleton of a living Sponge: (?) _Chonelasma_ 64 35. Spicules of a fossil Sponge: _Ecionema newberyi_, McCoy sp. 65