of the London Clay. 

 MOLLUSCA. 



Order I. Gasteropoda. 



Bulla constricta 



Bulla attenuata 



Natica glaucinoides*^ } 



\'ermetus boi^iioriensisf 



Dentalium nitens 



Dentalium incrassatum 



Solarium patuiiim 



Trochus extensus 



Fusus errans , 



bifasciatiis 



tuberosus 



interruptus 



trih'neatiis 



regular! s | 



coniferus 



porrectis 



Pyrula nexilis 



Greenvvoodii 



Triton argutus 



Murex cristatus 



Rostellaria lucida 



Sowerbyi .... i 



Cassis striata 



carinata'' 



Cancellaria Iseviuscula 



Auricula turgida 



Acteon (Tornatella) simula- 



tus 



elongatus 



Cypraea oviformis' 



Conus concinnus 



Order IV. Cephalopoda. 

 Septa concave. 



Nautilus imperialis 



centralis 



regalis . . 



ziczac . . 



HA. BR. SH. BOG, 



HP. WCH. 

 HA.SH, 



C. 

 VC. 



NOTES. 



■'' A specimen of I'holadowyn margaritacea and also one of Kucula ami/' 

 gdatoides have been found in the jj;aiilt at Folkestone by that intiefatigable 

 friend to science J. S. Bowerbank, Esq. I have much pleasure in stating 

 that our knowledge of the organic remains of the London clay (particularly 

 those of Hhe[)pev) will ere long be most materially increased by the praise 

 T/iird Series. Vol, 9. No. 56. Drc. 183G. 3 K 



