Island Life

Chapter 21

31. ,, acuta, _var._ NIGRESCENS. England.

PUPIDae.

32. Pupa anglica, _var._ PALLIDA. Not rare.

33. ,, lilljeborgi, _var._ BIDENTATA. Ireland.

{358} 34. ,, pygmea, _var._ PALLIDA. Dorset and Devon.

 

35. Clausilia rugosa, _var._ PARVULA. Ireland.

STENOGYRIDae.

36. Cochlicopa lubrica, _var._ HYALINA. Wales, Scotland.

37. Coecilianella acicula, _var._ ANGLICA. England.

SUCCINEIDae.

38. Succinea putris, _var._ SOLIDULA. Wiltshire.

39. ,, virescens, _var._ AUREA. Ireland.

40. ,, pfeifferi, ,, RUFESCENS. England, Ireland.

41. ,, ,, ,, MINOR. England.

LIMNaeIDae.

42. Planorbis fonta.n.u.s, _var._ MINOR. England.

43. ,, carinatus, ,, DISCIFORMIS. England.

44. ,, contortus, ,, EXCAVATUS. Ireland.

45. ,, ,, ,, MINOR.

46. Physa fontinalus, _var._ OBLONGA. England, Wales, Ireland.

47. LIMNaeA INVOLUTA. Ireland.

48. Limnaea glutinosa, _var._ MUCRONATA.

49. ,, peregra, _var._ BURNETTI. Scotland. Very distinct.

50. ,, ,, ,, LACUSTRIS. Perhaps in C. Verde Islands.

51. ,, ,, ,, MARITIMA. Great Britain.

52. ,, ,, ,, LINEATA. England.

53. ,, ,, ,, STAGNALIFORMIS. England.

54. ,, stagnalis, _var._ ELAGANTULA. Curious. In a pond at Chislehurst.

55. ,, pal.u.s.tris, _var._ CONICA. England, Ireland.

56. ,, ,, ,, TINCTA. England, Wales.

57. ,, ,, ,, ALBIDA. England.

58. ,, truncatula, _var._ ELEGANS. England, Ireland. Distinct.

59. ,, ,, ,, FUSCA. Wales.

60. Ancylus lacustris, _var._ COMPRESSUS. England.

PALUDINIDae.

61. Paludina vivipara, _var._ EFASCIATA. England. Not uncommon.

62. ,, ,, ,, ATROPURPUREA. Pontypool.

RISSOIDae.

63. HYDROBIA JENKINSII. Thames Estuary.

64. ,, ventrosa, _var._ MINOR.

65. ,, ,, ,, DECOLLATA.

66. ,, ,, ,, OVATA.

67. ,, ,, ,, ELONGATA.

68. ,, ,, ,, PELLUCIDA.

CYRENIDae.

69. Sphaerium corneum, _var._ COMPRESSUM.

70. ,, ,, ,, MINOR.

71. ,, ,, ,, STAGNICOLA.

72. ,, ovale, _var._ PALLIDUM. England.

73. ,, lacustre, _var._ ROTUNDUM. Wales.

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