156 LIST OF PULMONIFEROUS MOLLUSCA, 



Fast- Castle. Rare. The Helix ericetorum occurs abundantly on a 

 bank at the roadside between Spindlestone and Gloweroerhim, and 

 H. mrgata on the links at Bamborough Castle : but these localities 

 are without the limits to which this catalogue is confined. 



33. BULIMUS OBSCURUS. Rare. Dunglass dean, in the dean at Twizel 



Bridge, and at Twizel House. 



34. BULIMUS LUBRICUS. Frequent. 



35. BALEA FRAGILIS. Frequent, though rarely abundant in any one 



place. On Smailholra Tower plentiful. 



36. CLAUSILIA RUGOSA. Common. 



37. PUPA UMBILICATA. Common. 



38. PUPA MARGIN ATA. Holy Island, plentiful ; Spittal Links ; on the 



shore at the mouth of the Pease-Burn. 



39. PUPA ANGLICA. Dunglass dean, Mr Alder ; under stones at the 



mouth of the Pease-Burn ; sea banks between Ross and Lamberton 

 Shields. 



40. VERTIGO PALUSTRIS, Turt. 



41. VERTIGO SUBSTRIATA, Jeffreys. 



42. VERTIGO PYGMJEA, Drop. These three species were found together 

 in a piece of boggy ground, on the banks between Redhewgh and 

 Fast-Castle. Mr Alder and G. J. 



FAMILY III. AURICULID^. 



43. CARYCHIUM MINIMUM. Under decaying leaves in woods, and in 

 moist places, not uncommon. 



FAMILY IV. LYMNEID.E. 



44. PLANORBIS VORTEX. Not uncommon. 



45. PLANORBIS CONTORTUS. Not uncommon. 



46. PLANORBIS ALBUS. Common. 



47. PLANORBIS L.EVIS, Alder. Holy Island Lough. 



48. PLANORBIS NITIDUS. Rare. Coldingham Lough. 



49. PLANORBIS IMBRICATUS. Rare. Near the mouth of the Whiteadder. 



50. LIMN^A STAGNALIS. In a small pond on Halydown Hill, and in a 



pond at the base of the hill near the field grieve's house. 



51. LIMN^EA PEREGRA. Very common. 



52. LIMNJEA PALUSTRIS. Not uncommon. 



53. LIMNJEA FOSSARIA. Frequent. 



54. PHYSA FONTINALIS. Common, 



55. PHYSA HYPNORUM. Rare. In a ditch below Jourdan Field, near 



Dunse, Mr W. Dunlop. 



56. ANCYLUS FLUVIATILIS. Frequent. 



57. ANCYLUS LACUSTRIS. Rare. In small ponds near the mouth of the 



Whiteadder. Coldingham Lough, Mr Alder. 



