OF CONCHOLOGY 93 



The shells of this f^enus are known 

 in Enoflancl by the name oitooth-sheUs^ 

 or sea teeth. 



In Turton's Linne 22 species of 

 Dentaliiim are described ; and seven 

 have been found to inhabit the British 

 coasts. 



Genus 34th.— SF.RPULA. yini 

 mal a Terebelia ; shell univalve, tubu- 

 lar, generally adherinnr to other sub- 

 stances; often separated internally 

 b}' divisions at uncertain distances. 

 Linn. St/st. 333. Plate 9th, fig. 34. 



Habitation. The SerpuUe have 

 only been found to inhabit the ocean. 

 They are generally found adhering to 

 stones, shells, and plants, &c. some- 

 times a plurality of species are found 

 on one stone or shell. There are also 

 several species of Serpula which are 

 unattached. 



There have been several attempts 

 to divide and amend the Linnean Ser- 

 pula, which is certainly a \eYy irregu- 



