412 



ACCOUNT OF 



DENTALIUM. 



Animal a Terebella. Shell univalve, tubular, 

 strait, or slightly curved, with undivided cavi- 

 ty, open at both ends. 



*. Entalis. P. D. M. Dunbar, sparingly *, Leith 



Roads frequently, occur- 

 ring with the dredge j and 

 not uncommon at Aber- 

 lady Bay. 



2. glabrum. M. A very scarce shell, found 



near Dunbar. 



SERPULA. 



Animal a Terebella. Shell univalve, tubular, ge- 

 nerally adhering to other substances ; often se- 

 parated internally by divisions, at uncertain di- 

 stances. 



1. spirorbis. 



%, spirillum.' 



3* granulata, 

 4. lucida. 



P. D. M. Common on all parts of the 

 coast. 



M. Not so common, but plenti- 

 ful. 



D. M. The same as above. 

 M. Frequently found attached 

 to a Sertularia \ not un- 

 common. 



