218 



FOSSIL SHELLS OF THE LONDON CLAY. fCii. XVI. 



FOSSIL SHELLS OF THE LONDON CLAY. 

 Fig. 221. Fig. 222. Fig. 228. 



Valuta nodosa, Sow. 

 Uighgate. 



Pliorus exiensus, 

 Sow. Highgate. 



Fig. 224. 



Nautilus centralis, Sow. Iligligate. 

 Fig. 225. 



Aturia elczac. Brown and Edwards. 



Syn. Nautilus ziesac. Sow. 



London clay. Slieppey. 



Jtostellaria maeroptera. Sow. One- 

 third of nat. size; also found in the 

 Barton clay. 



Fig. 226. 



Belosppia sepioidea. Do Blainv. 

 London clay. Sheppey. 



Fig. 227. 



Leda amygdaloides, 

 Highgate. 



Fig. 223. 



Axinus angulatus. London 

 clay. Ilorusca. 



Fig. 229. 



Astropecten crispatus, 

 E. Forbes. Sheppey. 



Strata of Kyson in Suffolk.— At Kysoii, a few miles east of Wood- 

 bridge, a bed of Eocene* day, 12 feet thick, underlies tlie red crag. 

 Beneath it is a deposit of yellow and white sand, of considerable interest, 

 in consequence of many pecuhar fossils contained in it. Its geological 

 position is probably the "lowest part of the London clay proper. In this 



