Mr. Webster on the Strata lying over the Chalk* 219 



Linnean Names. 



■> 



J 



] 



Venus 

 Venus 

 Voluta 

 Voluta 



Helices 



Names given by Lamarck, 

 Ceiithium plicatum 



- - - lapidum 



- - - mutablle 



- - - semicoronatum )MurIces 



- - - cinctum 



- - - turritellatum 



- - - tricarinatum 

 Cyclas deltoidea 

 Cytherea Scutellaria 

 Ancllla bucclnoldes 



- - siibulata 

 Ampullaria splrata 



- - - depressa ? 

 Murex retlculatus . 

 Bivalve apparently of the genus Eryclna 

 Heliclna ? 



Murex nodularlus 



Melania ? They are however too much In- 

 jured about the mouth to determine 

 their genus with certainty 



Another species of Melania corresponding to 

 those of Plumstead 



Natica Canrena ... Nerita 



Ostrea, approaching to deltoidea 



- - - specific characters not evident, but 



different from the last 



2 E 2 



