360 SERPULA. WORM-SHELL. Class VI. 



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



* S. with an uniform spiral shell ; the exterior 

 volution ridged above ; minute. 



Found adhering to shells in the sea. 



7. CORRU- Lin. Tr. viii. 242. Mont. Test. Br. 502. 



GATA. 



* S. with an uniform spiral shell, transversely 

 wrinkled, umbilicated ; diameter one eighth of 

 an inch. Inhabits rocks in the sea. 



8. CORNEA. Lin. Tr. viii. 243. Mont. Test. Br. 503. 



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

 three volutions, shell horn-colored; is it a 

 distinct species? Inhabits the sea. 



g. 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. 



