LIST OF ENGRAVINGS. Vll 



Plate 



46'. Fossil Scorpions from the Coal formation in Bohemia. 



46". Fossil Limulus, Arachnidans, and Insects. 



47. Apiocrinites, and Actinocrinites. 



48. Fragment of a Lily Encrinite, Encrinites Moniliformis. 



49. Stem of Encrinites Moniliformis dissected. 



50. Body of Encrinites Moniliformis dissected. 



51. Briarean Pentacrinite, from the Lias at Lyme Regis. 



52. Recent and fossil Pentacrinites. 



53. Briarean Pentacrinite from the Lias, (Double Plate.) 



54. Recent Corals with their Polypes. 



55. Fossil Tree (Lepidodendron Sternbergii) from a Coal mine 



in Bohemia. 



56. Remains of Plants of extinct families, from the Coal forma- 



tion. 



5&'' Highly magnified sections of Coniferse. 



57. Remains of a subterranean Forest on the coast of Dorset. 



58. Cycas Revoluta producing Buds. 



59. Zamia Pungens, and sections of recent Zamia and Cycas. 



60. Trunk and transverse section of Cycadites Megalophyllus. 



61. Trunk and sections of Buds and Petioles of Cycadites Mi- 



crophyllus. 



62. Sections of Petioles of recent and fossil Cycadese. 



63. Fossil fruit of Podocarya, and recent Pandanege, (Double 



Plate.) 



64. Remains of fossil Palms, from Tertiary strata. 



65. Sections illustrating the structure and disposition of Coal 



basins. 



66. Sections illustrating the Silurian and Carboniferous sys- 



tems ; and part of the Newcastle Coal field. 



67. Sections illustrating the origin of Springs, and the dispo- 



sition of Metallic Veins. 



68. Sections shewing the cause of the rise of water in Artesian 



Wells in the Basin of London. 



69. Sections illustrating the Theory of Artesian Wells. 



Total number of Plates 87. Total number of figures 705. 



