INDEX. 



31, 



Cyclas, 52. 57. 69. 279. 282. 



aequata, 280. 



amnica, 286. 



angulata, 44. 



appendiculata, 285. 



calyculata, 17. 50.281. 286. 



compressa, 280. 



cornea, 18. 41. 48. 278. 



elongata, 44. 



fontinalis, 284. 



gibba, 284. 



gibbosa, 280. 



lacustris, 17. 25. 281. 



major, 44. 



media, 43. 



membranacea, 43. 



obliqua, 286. 



obtusalis, 282, 283. 



palustris, 286. 



parva, 44. 



pulchra, 43. 



pusilla, 283. 



rivicola, 34. 48. 279 



stagnicola, 280, 281. 



subquadrata, 44. 



Cyclostoma, 67. 89. 222, 223. 



274. 



achatinum, 91. 



acutum, 51. 88. 



' contectum, 91. 



elegans, 46. 48. 54. 70. 



273. 275. 



. ferrugineum, 18. 



impurum, 93. 



lineatum, 223. 



lineolata, 274. 



marmorata, 275. 



obtusum, 97. 



productum, 16. 



simile, 51. 94. 



sulcatum, 17. 



viviparum, 90. 



Cyclostomida?, 102. 

 Cypraea, 193. 

 Cyrena, 287. 



consobrina, 42. 



trigonula, 42. 



Damaris, 293. 

 Detracia bullreoides, 20. 

 Diatropha contorta, 1 6. 

 Dimyaria, 277. 



Doubtful species, 5. 

 Dreissena, 69. 300. 



polymorpha, 4. 299, 300, 



301. 

 Dreissenada?, 277. 299. 

 Drilus flavescens, 134. 



Elisma, 185. 



fasciata, 1 85. 



Ena, 181. 



montana, 182. 



■ obscura, 1 83. 

 Enopthalma, 79. 

 Euglesa Henslowiana, 284. 

 Euglesia, 282. 



Fusus Turtoni, 54. 



Gasteropodes, 72. 77. 

 Genera, Table of, 66. 

 Geographical distribution, 24. 

 Gordius, 232. 

 Gulnaria, 232. 



auricularia, 232. 



lacustris, 234. 236. 



peregra, 233. 



Gymnobranchiata, 77. 



Helices, 23. 198. 223. 229. 

 Helicidje, 56. 101. 109. 164. 

 Helicina, 110. 

 Helicodonta?, 198. 

 Helicolimax Audebardii, 121. 

 elongatus, 9. 



pellucidus, 120, 121. 



Helicophanta brevipes, 9. 

 Heligona lapicida, 140. 



Helix, 24. 66. 68. 86. 98. 100. 



141. 177. 181. 

 aculeata, 49. 70. 142. 149- 



150. 



acuta, 12. 18. 140. 185. 



196. 



alba, 259, 260. 



albella, 9. 163. 165, 166. 



albina, 158. 



arborea, 27. 



Alderi, 148. 171. 



alliacea, 169. 



alliaria, 169. 



aperta, 36. 53. 127. 



arbustorum, 23. 45. 47. 1 37. 



2 



