546 



4. 

 CiiRYsoDON. Sabella Chryfodon. Lin. Syft. p. 1269 ? 



Gmel Syjl. p. 3749 ? 

 Turt, Liu. iv. p. 610? 

 Martini Conch, i. t. 4. f. 29. 30. 

 Pallas Mifc. Zool. t. 9. f. 14. 15, 16. 

 Bafier Opufc. Sub. i. t. 9. f. 4. 



S. with a cylindric tube, of nearly the fame fize 

 throughout, and about as large as a goofe quill, com- 

 pofed of fand, fragments of fiiells, or fmall, flat pieces 

 of {tone, clofely cemented together on a tubular mem- 

 brane, which is fmooth on the infide : the upper part is 

 furnifhed with numerous, long fibres, of the fame tex- 

 ture, projefting in a fub-funnel fi^.ape, but generally 

 fomewhat compreffed fideways. 



Is fometimes conflrufted wholly of fand : others are 

 formed of large fragments of flate, and not unfrequently 

 mixed with whole fliells, fuch as Nerita littoralis. 



Thefe are not uncommon in moft of our inlets and 

 bays, but rarely on themoreexpofed fhores: the largeft 

 ive remember having feen, was in the inlet that runs up 

 to Kingsbridge in Dcvonjliirc, where it is very common 

 a foot in length, and compofed of very coarfe materials : 

 but this is a circumftance, entirely depending on the na- 

 ture of the (liore the animal inhabits, and which does 

 not appear to be very choice of fituation, like the ani- 

 mals of the two preceding, who can only inhabit fuch 

 places as will afford them fine fi^nd. 



The 



