Mr. Webster on the Strata lying over the Chalk, 223 

 Mr. Parkinson enumerates the following as found at Woolwich, 



Names given by Lamarck, 





Limtean Names, 



Cerlthiura turrltellatum 



-^ 





- - - denticulatum 







- - - serratum 







- ' - - claviculatum 





) Murices 



- - - mutabile 







- - - cinctum 







- - - semicoronatum 



^ 





Cytherea Scutellaria 



Venus 



Cyclas deltoidea 





Calyptrea trochiformis 



Trochus apertus 



to which I have added 





Ancilla Bucciuoides 



Voluta 



At Plumstead. 



Melania 



Helix 



Area 



Area 



Ampullaria 



Helix 



Calyptrea trochiformis 





Cyclas 





and Mr. Parkinson has since 



found 



Nucula margaritacea 



Area nucleus 



Teeth of fishes 





At Newhaven. 



Cerithium denticulatum 



Murex 



Cytherea Scutellaria 



Venus 



Ostrea 





Ostrea 



