204 



INDEX. 



Helix pomatia, 112. 

 pulchella, 141. 

 pygmcea, 140. 

 revelata, 128. 

 rotundata, 138. 

 rufescens, 123. 

 rupestris, 140. 

 sericea, 127. 

 villosa, 145. 

 virgata, 134. 



LAMELLIBRANCHIATA, i. 



LlMACID^, 74. 

 LiMAX, 80. 



,, agrestis, 83. 



,, arborum, 85. 



,, flavus, 82. 



,, gagates, 81. 



,, laevis, 84. 



,, marginatus, 81. 



,, maximus, 86. 



,, tenellus, 84. 



LlMN.-EA, 53. 



,, auricularia, 6 1. 



,, glabra, 67. 



,, glutinosa, 55. 



,, involuta, 56. 



,, palustris, 64. 



peregra, 58. 

 ,, stagnalis, 62. 



,, truncatula, 65. 



LiMN^iDyE, 34. 



Neritid.^, 22. 

 Neritina, 23. 



,, fluviatilis, 23. 



Paludina, 25. 



,, contecta, 25. 



,, vivipara, 26. 



Paludinid^, 25. 

 PECTINIBRANCHIATA, 22. 

 Physa, 49. 



,, fontinalis, 50. 

 ,, hypnorum, 49. 

 PiSIDIUM, 7. 



,, amnicum, 7. 



,, fontinale, 8. 



,, nitidum, 9. 



,, pusillum, 9. 



,, roseum, 10. 



Planorbis, 35. 



,, albus, 39, 



,, carinatub, 43. 



,, complanatus, 44. 



,, contortus, 46. 



,, conieus, 45. 



,, dilatatus, 47. 



,, glaber, 40. 



,, lineatus, 36. 



,, Nautileus, 38. 



,, nitidus, 37. 



,, spirorbis, 41. 



,, vortex, 42. 



PULMONOBRANCHIATA, 33. 

 Pupa, 150. 



,, marginata, 155. 

 ,, ringens, 152. 

 ,, secale, 151. 

 ,, umbilicata, 154. 



Sph^riid^, 2. 

 Sph^rium, 2. 



,, corneum, 3. 



,, lacustre, 6. 



,, ovale, 5. 



,, rivicola, 4. 



SUCCINEA, 90. 



,, elegans, 93. 



,, oblonga, 94. 



,, putris, 91. 



,, virescens, 92. 



TERRESTRIAL, 73. 

 Testacella, 87. 



,, Haliotidea, 88. 



,, Maugei, 89. 



Testacellid^, 86. 



Unio, 12. 



,, margaritifer, 15. 



,, pictorum, 13. 



,, tumidus, 12. 

 Unionid^, II. 

 UNIVALVES, 21. 



Valvata, 31. 



,, cristata, 33. 



,, piscinalis, 31. 



Valvatid^, 30. 

 Vertigo, 156. 



,, alpestris, 161. 



