310 EXPLANATION OF THE PLATES. 



TABLET V. 



Fig. 1. Strata between Brighton and Rottingdean, p. 281. 



Fig. 2. Sti-ata to the west of Rottingdean, p. 282. , . 



Fig. 3. The landing-place at Rottingdean, p, 282. 



TABLET VI. 



(The frontispiece). 

 Natural section of the Plastic clay beds at Castle Hill, west of Newhaven, p. 25T. 

 No. 1. Diluvium, consisting of sand and pebbles. 



2. Bed of oyster shells. 



3. Blue clay containing broken bivalves, chiefly of the genera Cytha-ea and Ci/rene. 



4. Blue clay, enclosing immense quantities of univalves of the genus Cerithium ; and 



sharks' teeth. 



5. Reddish brown marl, containing remains of shells and vegetables ; see the spe- 



cimens delineated in Tab. viii. 



6. A seam of surturbrand or hgnite. 



7. Blue clay, including crystals of sulphate of lime, &c. 



8. Sand. 



9. Breccia of green sand and pebbles. 



10. Ochraceous clay, containing hydrate and subsulphate of Ahimine. 



11. The summit of the chalk cliffs. 



TABLET VIL 



View of the chalk pit at Southerham, near Lewes, shewing the dip of the Lower chalk, 

 p. 140. For this sketch I am indebted to the kindness of Mr. Warren Lee. 



TABLET VIII. 



Specimens of red marl from the Plastic clay beds at Castle Hill, containing the remains 

 and impressions of the fohage of unknown vegetables, allied to the Platanus orientalis ; and 

 casts of shells of the genera Cerithium, Cyclas, and Unio, p. 262. 



TABLET IX. 



Supposed vegetable bodies from the Chalk and Chalk Marl. 

 Fig. 1. The remains of a winged seed? in chalk, p. 158. ' 



Figs. 2. 12. Linear markings, resembling the foliage of a species of Pinus, p. 157. 

 Figs. 3. 6. 9. 10. Unknown fossil bodies from the chalk, generally supposed to be the 

 remains of aments or cones, p. 158. 



