218 



FOSSIL SHELLS OF THE LONDON CLAY. [Ch. XVI. 



FOSSIL SHELLS OF THE LONDON CLAY. 

 Fj g- 221- Fig. 222. Fig. 228. 



Voluta nodosa, Sow. Phorus extensus, 



Highgate. Sow. Highgate. 



Fig. 224. 



Nautilus centralis, Sow. Highgate. 

 Fig. 225. 



Aluria eiczac, Brown and Edwards. 



Syn. Nautilus ziczac. Sow. 



London clay. Sheppey. 



Bostellaria macroptera, Sow. One- 

 third of nat size; also found in the 

 Barton clay. 



Fig. 226. 



Belosepia sepioidea. De Blainv. 

 London clay. Sheppey. 



Fig. 22T. 



Leda amygdaloides. 

 Highgate. 



Fig. 22S. 



Axinus angulatus. London 

 clay. Hornsea. 



Fig. 229. 



Astropeeten crispatus, 

 E. Forbes. Sheppey. 



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

 bridge, a bed of Eocene clay, 12 feet thick, underlies the red crag. 

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

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

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



