Class VI. SERPULA. WORM-SHELL. 365 



Lin. Tr. vili. 248. 3Iont. 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. Vermlculum striatum, ilfore^. 25. STRIATA. 



Test. Br. 523. 



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

 gitudinal stricEj 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 urnae. Mont. 27. URW^.. 



Test. Br. 525. t. H.f. 1. 



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

 pellucid shell; apex conic; minute. Inhabits 

 the sea. 



