200 



TRIVIAL NAMES. 



Dentalium 

 Elephantiiium 



Entalis 



Gad us 

 Trachea 



Serpula. 

 Lumbricalis 

 Stellaris 

 Anguina 

 Semilunum 

 Acjuaria 

 Arenaria 

 Cereolus 

 Volvox 

 Ocrea 



Tooth Shell. 



C Fluted Elephant's Tooth ; 

 I I lorn-green Pencil. 



j Striated Tooth-shell or Dog's 

 t Tooth-shell. 



Hake's T. S. 



Windpipe. 



Worm Shell. 

 Spirally twisted. 

 Rayed Pin's Head. 

 Serpent. 

 Small Seed. 

 Watering-Pot. 

 Oven Shell. 

 Bougie. 

 Caterpillar. 

 Boot. 



