MARINE BIOLOGICAL STATION AT PORT ERIN. 71 



FIG. 



13. Cardiam echinatum, 10 frns. 



14. Cardium edule, in sand. 



15. Cardinal noruegiaim, dead but fresh, oft" Castles. 



16. Venus exoleta, dead but fresh, off Breakwater, and 



Castles. 



17. Venus lincta, dead but fresh, off Castles. 



18. Venus fasciata, in sand. 



19. Venus casina, off Castles. 



20. Venus gallina, in sand. 



21. Tapes virgineus, off Castles. 



22. Tapes pnllastra, in muddy gravel. 



23. Tellina balthica. 



24. Psammobia ferroensis, dead but fresh, scarce. 



25. Donax vittatus, in sand. 



26. Mactra solida, in sand. 



27. Mactra stultorum, scarce. 



28. Latraria elliptica, in mud. 



29. Scrobicalaria alba, in sand, common. 



30. Solen en sis, in sand. 



31. Solen siliqua, in sand, abundant. 



32. Saxicara rugosa, off Castles. 



33. Chiton albas, under stones. 



34. Chiton Icevis, under stones. 



35. Patella vulgata, abundant. 



36. Helcion pellucidum, on Laniinaria. 



37. Tectum testudinalis, under stones. 



38. Emargiiadajissura, under stones. 



39. Trochus magus, along N. side of bay. 



40. Trochns cinerarias, common. 



41. Trochns lunbilicatas, common. 



42. Trochus zizijphinus, common. 



43. Trochus montacuti, off Castles. 



44. Phasianella pullus, off Breakwater. 



45. Littorina obtusata, abundant. 



