246 



Rissoia parva var. interrupta (Adams) ; Redcar, Saltburn, 

 Runswick ; common. 



Alvania punctura (Montague) ; Redcar, Saltburn, Runs- 

 wick ; common. 



*Manzonia costata (F. Adams) ; Saltburn. 



Anoba striata (J. Adams) ; Redcar, Saltburn, Skinnin- 

 grove. 



Cingula semistriata (Montague) ; Redcar, Saltburn, Skin- 

 ningrove ; common. 



*Cingula trifasciata (T. Adams) ; Redcar. 



SKENEIID/E. 



Skenia planorbis (Fab.) ; Redcar, Saltburn, Skinningrove. 



CAPULIDiE. 



Capulus hungaricus (Linn) ; Redcar, Saltburn. 



CYPRJEIDJE. 



Trivia europoea (Montague) ; Redcar, Saltburn, Skinnin- 

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

 Bridlington ; common. 



NATICID^. 



Lunatia pallida ; Saltburn. 



*Lunatia catena (Da Costa) ; Redcar, Saltburn, Skinnin- 

 grove, Staithes ; common. 



*Lunatia Alderi (Forbes) ; Redcar, Saltburn, Skinningrove, 

 Bridlington ; common. 



CERITHIIDJE. 



Bittium reticulatum (Da Costa) ; Saltburn. 



PYRAMIDELLIDjE. 



*Spiralinella spiralis (Montague) ; Redcar. 



