224 



MUNDESLEY FRESHWATER FORMATION. 



CHAP. XII. 



been of late years, and finding at that period not a few of the 

 fossils in the lignite beds, No. 3', above the forest bed, iden 

 tical in species with those from the post-glacial deposits, B c, 

 I supposed the whole to have been of contemporaneous 



03 1 



Section of the newer freshwater formation in the cliffs at Mimdesley, two 

 miles SE. of Cromer, drawn up by the Eev. S. W. King. 



Height of cliff where lowest, 35 feet above high water. 



Older Series. 

 1 Fundamental chalk, below the beach line. 



3 Forest bed, with elephant, rhinoceros, stag, &c., and with tree roots 



and stumps, also below the beach line. 



3' Finely laminated sands and clays, with thin layer of lignite, and 

 shells of Cyclas, and Valvata, and with Mytilus in some beds. 



4 Glacial boulder till. 



5 Contorted drift. 



6 Gravel overlying contorted drift. 



N.B. No. 2 of the section, fig. 27, at p. 213, is wanting here. 

 Newer Freshwater Beds. 



A Coarse river gravel, in layers inclined against the till and laminated 

 sands. 



B Black peaty deposit, with shells of Anodon, Valvata, Cyclas, Suc- 

 cinea, Limnea, Paludina, &c., seeds of Ceratophyllum demersum, 

 Nuphar lutea, scales and bones of pike, perch, salmon, &c., 

 elytra of Donacia, Copris, Harpalus, and other beetles. 



c Yellow sands. 



D Drift gravel 



origin, and so described them in my paper on the Norfolk 

 cliffs.* 



Mr. Gunn was the first to perceive this mistake, which he 

 explained to me on the spot when I revisited Mundesley in 

 the autumn of 1859, in company with Dr. Hooker and 



* Philosophical Magazine, vol. xvi. May 1840, p. 345. 



