UPPER MARINE FORMATION* 



305 



LINN^AN NAMES, 



Murices. 



Venus. 

 Venus. 

 Voluta. 

 Voluta. 



Helices. 



NAMES GIVEN BY LAMARCK^ 



Cerithium plicatura. 

 lapidura. 

 mutabile. 

 semicoronatum. 

 cinctum* 

 turritellatunii 

 tricarinatum. 

 Cyclas deltoidea. 

 Cytherea scutellaria. 

 Ancilla buccinoides. 



subulata. 

 Ampullaria spirita. 



depressa? 

 Murex reticulatus. 

 Bivalve, apparently of the 



genus Erycina. 

 Helicina? 

 Murex nodularius. 

 Melania ? 

 Natica Canrena. 

 Ostrea, approaching to del- 

 toidea. 



specific characters not 



evident, but different from 

 the last. 



In the same formations at Harwich, in Essex, the fol- 

 lowing petrifactions occur: 



NAMES GIVEN BY LAMARCK, 



Patella spirorostris, 



LINN JEAN NAM1S 



Patella ungaria. 

 lasvis* 

 fusca. 



39 



