360 SERPULA, WORM-SHELL. Class VL 



6. CARINATA. Lin. Tr. viii. 242. Monf. Test. Br. 502. 



* S. with an uniform spiral shell ; the exterior 

 volution ridged above ; minute. 



Found adhering to shells in the sea. 



7. CORRU- 

 GATA. 



Lin. Tr. viii. 242. Monf. Test. Br. 602. 



S. with an uniform spiral shell, transversely 

 rinkled, umbilicated; diameter o; 

 an inch. Inhabits rocks in the sea. 



wrinkled, umbilicated ; diameter one eighth of 



8. CORNEA. Lin. Tr. v'lu. 243. Moni. Test. Br. 503. 



* S. with an uniform, round; pellucid shell, of 

 three volutions, shell horn-colored ; is it a 

 distinct species ? Inhabits the sea. 



9. LUCIDA. S. vitrea. Gm. Lin. 3746. Mont. Test. Br. 506. 



Lin. Tr. viii. 243. 



S. with a round spiral very smooth and glossy 

 shell, volutions reversed; very minute. Inha- 

 bits the sea; on Zoophytes. 



