BULIMUS. 75 



common. It is common on the Continent, whence it 

 is thought possible that it was introduced. 



25. H. VILLOSA (covered with 



Both in shape and size much like H. rufescens ; of a pale 

 semi-transparent white ; spire flat ; no carination ; covered 

 with hairs. 



This shell four specimens of which were found at 

 Cardiff in 1873 has been admitted into the British 

 list. 



How it found its way thither has not been satis- 

 factorily explained, but the neighbourhood of a large 

 seaport suggests its introduction among goods of some 

 sort. 



Genus V. BULIMUS. 



1. B. ACTJTUS (pointed). 



Conical, slightly diaphanous, whitish with irregular 

 transverse streaks of a darker shade ; whorls eight to nine, 

 convex ; umbilicus slight. 



This very abundant species is only found on the 

 coast on grassy cliffs, downs, and sand-hills. The 

 finest specimens that I have ever met with are those I 

 have taken on the sand-hills at Port Kush (N. Ire- 



