Class VI. SERPULA. WORM-SHELL. 365 



Lin. Tr. viii. 248* Mont. Test. Br. 525. t. 14. 24. perlu- 



Vermiculum perlucidum. f. 3. cida, 



* S. with a smooth white shell, of six equi- 

 distant longitudinal ribs ; neck long ; subcylin- 

 dric ; minute. Inhabits the sea. 



Lin. Tr. viii. 248. Vermiculum striatum. Mont. 25. STRIATA, 



Test. Br. 523. 



* S. with a white pellucid shell, of many lon- 

 gitudinal stria, neck long; minute. Inhabits 

 the sea. 



Lin. Tr. viii. 248. Vermiculum retortum. Mont. 26. retorta. 



Test. Br. 524. 



* S. with a white, opaque, round, marginated 

 shell; neck placed obliquely; minute. Inha- 

 bits the sea. 



Lin. Tr. viii. 248. Vermiculum urnse. Mont. 27. urNjf^ 



Test. Br. 525. t. 14./. 1. 



* S. with an urn-shaped, white, smooth, semi- 

 pellucid shell; apex conic; minute. Inhabits 

 the sea. 



