212 Proceedings of the Royal Physical Society. 



Cardium exiguum (GmeL). 



Station 9. 

 C. nodosum (Turt.). 



Station 7. 

 C. edule (Linn.). 



Litt., sands, Lamlash. 

 C. norvegicum (Speng.). 



Station 8. 



Cyprinid^. 

 Gyprina islandica (Linn.). 



Station 6. 

 Astarte sulcata (Da Costa). 



Station 12. 

 A. compressa (Mont.). 



Station 12. 

 Ci7'ce minima (Mont.). 



Stations 9, 11. 



Venerid^. 

 Venus exoleta (Linn.). 



Station 9. 

 V. lincta (Pulten.). 



Station 9. 

 V. fascicdct (Da Costa). 



Station 12. 

 V. ovata (Penn.). 



Station 7. 

 V.gallina (Linn.). 



Stations 5, 7. 

 Tapes virginea (Linn.). 



Station 10. 

 T. pidlastra (Mont.). 



Litt., near King's Cross. 



Tellinid^. 

 Tellina halthica (Linn.). 



Litt. 

 T. tenuis (Da Costa). 



Litt. and upper lain., Station 3. 



