Class VI. DENTALIUM. S57 



Lin. Tr. viii. 23Q. Mont. Test. Br. 497. t. 14. g. trachea. 



/. 10. 



* D. with a bent round shell; strice very nume- 

 rous, annular, closely set ; apex abrupt, imper- 

 forate ; minute. Inhabits the sea. 



Lin. Tr. viii. 23g. Mont. Test. Br. 497. 7. glabrom. 



* D. with white, smooth, bent, cylindric shell, 

 and imperforate ; very minute. 



Found on the northern coast of Devonshire, 



