247 



TURRITELLID^:. 



Turritella communis (Lamarck) ; Redcar, Saltburn. 



APORRHAIDJE. 



Aporrhais pes-pelecani (Linn) ; Redcar, Staithes. 



BUCCINIIDjE. 



Buccinum undatum (Linn) ; Redcar, Saltburn, Skinnin- 

 grove, Staithes, Runswick Bay, Whitby, Robin Hood's Bay, 

 Bridlington ; common. 



Neptunea antiqua (Linn) ; Redcar, Skinningrove, Staithes, 

 Runswick Bay, Whitby, Robin Hood's Bay, Bridlington ; 

 common. 



Volutopsis norvegicus (Chemnitz) ; Dogger Bank. 



Beringuis turtoni (Bean) ; Dogger Bank. 



Tritonofusus gracilis (Da Costa) ; Redcar, Skinningrove. 

 Staithes, Whitby, Bridlington. 



*Donovania minima (Montague) ; Skinningrove. 



MURICID/E. 



Ocinebra erinacea (Linn) ; Bridlington. 



*Trophon clathratus (Linn) ; Saltburn. 



Purpura lapillus (Linn) ; Redcar, Saltburn, Skinningrove, 

 Staithes, Runswick Bay, Whitby, Robin Hood's Bay, 

 Bridlington ; common. ■ 



NASSID^E. 



*Nassa reticulata (Linne) ; Redcar, Saltburn, Skinnin- 

 grove, Staithes, Runswick Bay, Whitby, Robin Hood's Bay, 

 Bridlington ; common. 



PLEUROTOMIDiE. 



*Bela turricula (Montague) ; Redcar, Saltburn, Skinnin- 

 grove. 



