Class VI. SERPULA. WORM-SHELL. 36^ 



Lin. Tr. viii. 246. perforatum. Mont. lest. 17. bicor- 



Vermiculum bicorne, et V. Br. 51 9. NIS. 



* S. with a two-horned, ventricose shell ; very 

 minute; inhabits the sea. It is doubted whe- 

 ther the three last serpultz are not varieties. 



Lin. Tr. viii. 246. Vermiculum incurvatum. 18. incur- 



Mont. Test. Br. 518. "^^■^^' 



* S. with a shell bent at the hinder extremity 

 into three contiguous volutions. -. 



Vermiculum pervium. Mont. Test. Br. 508. Var. B. 



This variety has but one volution ; inhabits 

 the sea ; rare. 



B. Bottle-shaped. 



Lin. Tr. viii. 246. Vermiculum lacteum. Mont. IQ. lactea. 



Test. Br. 522. 



* S. with an oval, thin, pellucid, somewhat 

 compressed shell, and milky veins: minute. 

 Inhabits the sea. 



