GENERAL CONCLUSIONS 101 RECAPITULATION 103 WORKS ON FOSSIL BOTANY 105 EXPLANATION OF PLATES 111 INDEX 113 LIST OF WOODCUTS. FIG. PAGE 1. Section of Peuce Withami, Lindley and Hutton 3 2. Bark of Araucaria 5 3. Markings on Araucaria bark 6 4. " " 7 5. " " 7 6. Leaf of Araucaria 7 7. Nicolia Owenii (Carr.) 11 8. Bryson's instrument for slitting Fossils 14 9. Tree-fern 27 10. Asplenium 28 11 _a._ Bifurcating Trunk of a Tree-fern (Alsophila Perrottetiana) 29 11 _b._ Rhizome of Lastrea Filix-mas 29 12. Transverse section of stem of a Tree-fern (Cyathea) 29 13. Scalariform vessels from Tree-fern 30 14. Sporangia of a Fern 30 15. Lycopodium clavatum 30 16. Spore-case, containing Microspores of Lycopodium 30 17. " " Macrospores of Selaginella 30 18. Fructification of Equisetum maximum 31 19. Polygonal scale of Equisetum 32 20. Spore of Equisetum--filaments contracted 32 21. " " " expanded 32 22. Marsilea Fabri 33 22 _bis._ Adiantites Lindseæformis 41 23. Pecopteris (Alethopteris) aquiline 43 24. " (Alethopteris) heterophylla 43 25. Neuropteris Loshii 43 26. " gigantean 43 27. " acuminate 43 28. Sphenopteris affinis 43 29. Cyclopteris dilatata 43 30. Stem of Caulopteris macrodiscus 44 31. " " Balfouri (Carr.) 44 32. " " Morrisi (Carr.) 44