ILLUSTRATIONS. 



PAGE 



Fig. 54. — Section across part of the East End of the Island of Purbeck. 



(H. W. Bristow, P. Geol. Assoc, vii. 377.) 347 



55- — Purbeck Stone-quarry, Swanage. (A. Dawson, p. 83.) 350 



56.^ — Chalk Chffat Ballard Head, North of Swanage. (A. Dawson, 



P- 152.) 351 



57. — Generalized Section across the Wealden District 352 



58. — Diagrammatic Section to show the Relations of the Oolitic and 



Cretaceous Strata in Wiltshire 352 



59. — Section along the Cliffs of Hastings and Fairlight. (W. Topley, 



P. Geol. Assoc, vii. 357.) 358 



60. — Section along the Cliffs from Hythe to Folkestone Hill. (W. 



Topley, P. Geol. Assoc, viii. 94.) 358 



61. — Diagram-Section of the Country near Snettisham, south of Hun- 

 stanton. (W. Whitaker, P. Geol. Assoc, viii. 139.) 366 



62. — Diagram-Section from South Willingham to the Chalk Wolds 

 near Donnington, in Lincolnshire. (A. Strahan, Geol. Assoc, 

 Programme of Excursion to Lincoln, 1884. ) 366 



63. — Section from the Valley of Kingsclere to the Hills North of 

 Newbury. (H. W. Bristow, Geol. Assoc, Programme of 

 Excursion to Newbury, 1879.) 382 



64. — General Section from Culham, near Abingdon, to near East 



Ilsley, in Berkshire. (Prof. Prestwich, Q. J. xxxviii. 12S.) 385 



65. — Section at Snowdown, Chard 392 



66. — Section along the Chalk Cliffs from Seaford to Eastbourne, in 

 Sussex. (W. Whitaker, G. INLag. 1871, p. 199.) 396 



67.^ — General Section near Prince's Risborough, Bucks. (W. Whitaker, 



Q. J. xxi. 399.) 411 



68. — Diagram-Section from Elsvvorth to Balsham by Cambridge. 



(Prof. Hughes, P. Geol. Assoc, viii. 401.) 411 



69. — Section from Folkestone to Foreness, Isle of Thanet. (G. 



Dovvker, G. Mag. 1870, p. 469.) 414 



70. — General Section of the London Basin, showing the probable 



Position of the Older Rocks. (W. Whitaker.) 414 



71. — View near Corfe Castle, in Dorsetshire. (A. Dawson, p. 10.) 423 



72. — Diagram-Section through Watford and Bushey. (W. Whitaker, 



Geol. Assoc, Programme of Excursion to Watford, 1879.) 428 



73. — Section across Headon Hill and High Down, Isle of Wight. (H. 



W. Bristow, Geol. Isle of Wight, Plate 3.) 428 



74. — Section in Westcombe Park, Greenwich, (T. V. Holmes, P. 



Geol. Assoc, viii. 63.) 434 



75. — Clay Pit, near Corfe Castle, Dorsetshire. (A. Dawson, p. 16.) 445 



76. — Section of Coralline Crag at Sutton, near Woodbridge. (Prof. 



Prestwich, Q. J. xxvii. 119.) 458 



77. — Section North of Aldborough, in Suffolk, (Prof. Prestwich, 



Q. J. xxvii. 339.) 462 



78. — Section near Norwich. (Geol. Assoc, Programme of Excursion to 



Norwich, 1878.) 464 



79. — Crag-pit at Thorpe, near Norwich. (Prof. Prestwich, Q. J. 



xxvii. 456.) 466 



80. — Chalk-pit at Whitlingham, near Norwich. (From a Photograph.) 468 

 81. — Diagram-Section near Cromer. (Geol. Assoc, Programme of 



Excursion to Cromer, 1878.) 472 



82. — Roches Moutonnees, Gwern-cefny-garreg, near Ystrad-fellte, in 



Brecknockshire. (J. W. E. David, Q. J. xxxix. 50.) 475 



83. — Section in Blackpool Chffs, Lancashire. (T. M. Reade, Q. J. 



xxxix. 109.) 490 



84. — Section through Llyn Idwal, North Wales. (Sir A. C. Ramsay, 



Q. J. viii. 375.) 491 



85. — Section of Cliffs at Godrevy, Cornwall. (W. A. E. Ussher, 



G. Mag. 1879, p. 205.) 494 



