68 COKNISH MARINE SHELLS. 



Mactrid^ Scrohicularia nitida. Hayle. 



alha. Hayle and Falmouth. 



tenuis. Hayle. 



piperata. Hayle. 



SoLENiD^ ..... t Solecurtus candidus. R. Hayle. 



■ ant'iquatus. E.. Falmouth. 



Solett pellueidus. Hayle. 



ensis. Helford. 



— — siliqua. Hayle. 



vagina. Helford. 



Pandorid^ Pandora incequivalvis. var : obtusa. R. Fal- 

 mouth, 30 fms. 

 Lyonsia Norvegica. RR. Falmouth. 

 ANATiNiDiE Thracia prcetenuis. Hayle. 



papyracea. 



puhescens. R. Falmouth. 



convexa. RR. Falmouth and Hayle.* 



distorta. 



CoRBTTLiD^ , Necera cuspidata. RR. Land's End. 



Corhula gihha. and var : rosea, Nare Point. 



Myid^ Mya truncata. Falmouth Harbour. 



SaxicavidjE .... Saxieava rugosa. and var: arctica. 



Venerupis Irus. 

 GASTROCHiENiD^ . Gastfochoena duhia. R. Falmouth. 

 Pholadid^ Pholas dactylus. R. Mount's Bay. 



Candida. R. Falmouth. 



parva. Helford. 



crispata. R. Hayle. 



Pholadidea papyracea. RR. Hayle and Fal. 

 Xylophaga dorsalis. R. Falmouth. 

 Teredinid-^ .... Teredo Norvegica. R. Land's End. 



megotara. R. Hayle. 



malleolus. R. Falmouth. 



hipennata. R. Hayle. 



Dentaliid^ .... Denialium Tarentinum. f 



Pteropoda Spirialis Flemingii. RR. Falmouth Harbour. 



• Fide F. and H., locality not given. 



•)• DentaUum entalis has been di-edged at Scilly. 



