1823.] Linnean Transactions, Vol XIV, Part I. 



391 



26. nautileus 



27. cristatus 



Helix. 28. planorbls 



29. planata 



30. complanata 



31. vortex 

 .>^v,,,i 32. cornea 



, 33. spirorbis 



34. contorta 



35. Draparnaudi 



36. alba 



37. fontana 



{ 



Planorbis, Drap. and La- 

 marck. 



{Valvata; Drap, and La- 

 marck, 



Planorbis, Drap, and La- 

 marck. 



38. SomersbaraiO jj^^^x^ j^z-ap. 

 ensis J 



39. lapicida 



40. 

 41. 

 42. 



43. 

 44. 

 45. 

 46. 

 47. 

 48. 

 49. 

 50. 

 51, 

 52. 

 53. 

 54 

 55 

 56 



Carocolla, Lamarck, 



paludosa 

 ericetorum 

 virgata 

 caperata 

 rufescens 

 Cantiana 

 nitens 

 nitidula 

 hispida 

 radiata 

 Kirbii 



trochiformis 

 crystallina 

 spinulosa 

 . arbustoram 

 . nemoralis 

 . hortensis 

 . aspersa 



*## 



Helix, Drap . and Lamarck, 



SS.Lackhamensis^ 



59. obscura iBuLiMUS, Drap. and Lam, 



60. lubrica J 



61. putris 



SucciNEA, Drap, and Lam, 



