CONTENTS. 



I. Preliminary Essay ■ ...--- -1 



II. Geographical Description of the South-Eastern Division of Sussex - 14 



III. Geological Structure of the County - - - - - 21 



IV. § I. Green Sand Formation - - - - - 24 

 V. 1. Iron Sand ... - . - - S5 



VI. 2. Tilgate Limestone, &c. - - - - - - - 37 



VII. 3. Weald Clay, and Sussex Marble - - - - - 61 



VIII. 4. Green Sand ----- ... 69 



IX. § II. Chalk Formation ... . - - 79 



X. 5. Blue Chalk Marl - - - - - - - 80 



XI. 6. Grey Chalk Marl - - - - - - 99 



XII. 7. Lower Chalk - - - - - - - - 135 



XIII. 8. Upper, or FUnty Chalk - - - - - - 139 



XIV. § III. Tertiary Formations ... . . . 247 



XV. 9. Druid Sandstone ... ... 253 



XVL 10. Plastic Clay - - - ... - 256 



XVII. 11. London Clay - - - - - - - 267 



XVm. § IV. Alluvial Formations - - - - - 274 



XIX. 12. Diluvium ... - . - - 275 



XX. 13. Alluvium - - - - - - - 285 



XXI. Concluding Observations .... . - 295 



XXII. List of new Genera and Species . _ - . . 307 



XXIII. Explanation of the Plates ... - . . 309 



Index - - - --- -■ ^^^ 



