404 



ACCOUNT OF 



Turbo. 



2. clathrus. P. D.M 



3. clathratulus. M. 



4. elegantissimus. M. 



5. littoreus. 



6. rudis. 



?. canalis. 



8. parvus 

 lacteus 



9. costatus. 



10. striatus. 



11. bryereus 



12. interruptus. 



not account for their re- 

 maining so sharp and per_ 

 feet, until T discovered 

 them after a storm alive. 

 Dunbar, sparingly. 

 Ditto. . 

 Ditto. 



P. D. M. Common on the rocks on all 

 parts of the coast. 

 Not so common as the last, 

 though on many situations 

 they are the only species 

 to be seen, and of a large 

 size. 



Not uncommon on the shore 

 near Dunbar. Adheres to 

 the Fucus vesiculosus and 

 other similar fuci. 

 Dunbar, not uncommon. 



D.M. 



M. 



M. 

 D. 



M. 

 M. 



M. 



D.M. 



!3„ subumbilicatus. M. 



14, ulvae. 



P„ D.M. 



Coast near Dunbar, rare. 



Dunbar, not common. 



Sands near Belton. This is 

 a variety possessing broad- 

 er and coarser striae, rare. 



From same situation, com- 

 mon. 



Leith Sands and Dunbar, 

 scarce. 



On various parts of the coast 5 



common. 



