XXX LIST OF WOOD-CUTS. 
No. Paga 
29. Section from Monte Calvo to the sea by the Valley of Magnan, near 
Nice ...... 167 
30. Diagram showing the manner in which the Crag may be supposed to 
rest on the chalk . , . . .173 
31. Section of shelly crag near Walton, Suffolk . . .174 
32. Section at the light-house near Happisborough . . 174 
33. Section of Little Cat Cliff, showing the inclination of the layers of 
quartzose sand in opposite directions . . . 175 
34. Lamination of shelly sand and loam, near the Signal-House, Walton 175 
35. Diagram illustrative of the successive deposition of strata . . ,176 
36. Section of ripple marks caused by the wind on loose sand . 176 
37. Bent strata of loam in the cliffs between Cromer and Runton . 178 
38. Folding of the strata between East and West Runton . 178 
39. Section in the cliffs east of Sherringham , . ,178 
40. Section east of Sherringham, Norfolk . . . 179 
41. Side view of a promontory of chalk and crag, at Trimmingham, Norfolk 179 
42. Northern protuberance of chalk, Trimmingham . . 180 
43. Max) of the volcanic district of Catalonia . . . 184 
44. Section of volcanic sand and ashes in a valley near Olot . . 187 
45. Section above the bridge of Cellent . . . 188 
46. Section at Castell Follit . . . .190 
47. Superposition of rocks in the volcanic district of Catalonia . 192 
48. Map of the volcanic district of the Lower Rhine . . 194 
49. View of the Gemunden Maar . . . .195 
50. Section of the same and other contiguous lake-craters . .196 
51. Section of tertiary strata overlying chalk near Dax . . 207 
52. Section explaining the position of the Eocene strata in tbe Bordeaux basin 209 
53. Section of Inland cliff near Dax . . , .210 
54. Position of the Miocene alluviums of Mont Perrier (or Boulade) 217 
55. Section of the fresh-water formation of Cadibona , , 221 
56. Map of Auvergne, Cantal, Veky, &e. . . . 226 
57. Section of Vertical marls near Clermont , . . 231 
jsuperposition of the formations of the Paris basin . . 243 
60. Section of the Hill of Gergovia near Clermont . , 259 
61. Lavas of Auvergne resting on alluviums of different ages . . 267 
62. Map of the principal tertiary basins of the Eocene period . 275 
63. Section from the London to the Hampshire basin across the Valley of 
the Weald . . . . .288 
64. Section of the country from the confines of the basin of London to that 
of Hants, with the principal heights above the level of the sea on a 
true scale . . . . 288 
65. View of the chalk escarpment of the South Downs, taken from the 
Devil's Dike, looking towards the west and south-west , , 290 
