36. Nummulites: _N. gizehensis_, Ehr. var. _champollioni_, De la Harpe 65 37. Cainozoic Radiolaria 66 38. Radiolaria in Siliceous Limestone 67 39. Travertin Limestone, with leaves of Beech (_Fagus_) 67 40. Freshwater Limestone with shells (_Bulinus_) 68 41. Hardened mudstone with Brachiopods (_Orthis_, etc.) 69 42. Diatomaceous Earth 72 43. _Lepidocyclina_ Limestone 73 44. Coral in Limestone: _Favosites grandipora_, Eth. fil. 74 45. Crinoidal Limestone 74 46. Turritella Limestone 75 47. Ostracodal Limestone 75 48. _Halimeda_ Limestone 77 49. Tasmanite: a Spore Coal 77 50. Kerosene Shale 77 51. Bone Bed 77 52. Bone Breccia 79 53. Cainozoic Ironstone with Leaves (_Banksia_) 80 54. _Girvanella conferta_, Chapm., in Silurian Limestone 83 55. Palaeozoic Plants 83 56. Restoration of _Lepidodendron_ 84 57. Stem of _Lepidodendron (Lepidophloios)_, showing leaf-scars 84 58. Upper Palaeozoic Plants 85 59. Map of Gondwana-Land 87 60. Mesozoic Plants 88 61. Cainozoic Plants 90 62. Eucalyptus leaves from the Deep Leads 92 63. Palaeozoic and Mesozoic Foraminifera 97 64. _Lepidocyclina marginata_, Mich. sp. Sections of shell showing structure 99 65. Cainozoic Foraminifera 100 66. Fossil Radiolaria 103 67. Palaeozoic Sponges and Archaeocyathinae 108 68. Cainozoic Sponges 111 69. Silurian Corals 111 70. Upper Palaeozoic Corals 116 71. Cainozoic Corals 118 72. Stromatoporoidea and Cladophora 121