NDEX. 



319 



Littorina, 85. 87. 89. 95. 

 ■ • ■ muriatica, 88. 



ulva?, 24 88. 



ventricosa, 95. 



Lottia, 69. 



Lucena pulchella, 142. 



Lutea, 243. 



Lymnaea auricularia, 232. 236. 



fasciata, 185. 



leucostoma, 242. 



lubrica, 188. 



minuta, 241. 



ovata, 234. 



— — peregra, 233. 



putris, 233. 



Lymnaeus peregcr, 233. 



vulgaris, 233. 236. 



Lymnea fontinalis, 97. 



fossaria, 226. 241. 



fragilis, 239. 



lacustris, 234. 



marginata, 234. 



tentaculata, 93. 



truncatula, 232. 



Lymneada?, 56. 

 Lymneus acutus, 234. 236. 



auricularius, 219. 232. 



detritus, 18. 



fragilis, 20. 



glaber, 15. 18. 



glutinosus, 246. 



Grayanus, 86. 



major, '237. 



minutus, 241. 



ovatus, 234. 



pereger, 234. 236. 



speciosus, 238. 



stagnalis, 15. 19. 23. 236. 



237. 240. 



Melanopsis brevis, 43. 



carinata, 43. 



tricarinata, 43. 



Mollusca, classes of, 72. 



Brachiata, 73. 



Reptantia, 73. 



Subsilientia, 73. 



Molluscans, crawling, 77. 

 Murex fuscatus, 22. 

 Mya, 43. 



Batava, 296. 



margaritifera, 293. 



ovalis, 298. 



ovata, 296. 298. 



pictorum, 295, 296. 



Mysca Batava, 296. 

 ovata, 298. 



pictorum, 295. 



solida, 296. 298. 



Mytilus, 61. 299, 300. 302. 



anatinus, 290, 291, 292. 



area, 301. 



cellensis, 289- 



Chemnitzii, 301. 



cygneus, 289,290,291,292, 



293. 



dentatus, 290. 



edulis, 84. 



Hagenii, 301. 



incrassatus, 291. 293. 



lineatus, 301. 



maculatus, 290. 293. 



piscinalis, 290. 



polymorphus, 301, 302. 



stagnalis, 290. 



Toreyi, 301. 



Volga?, 301. 



Volgensis, 301. 



I Myxas Mulleri, 244. 



Macroceramus signatus 

 Melampus, 59. 226. 



ovulum, 21. 



Melania, 44. 85. 



costata, 43. 



■ fasciata, 42. 



helvetica, 44. 



Matonii, 22. 



virginica, 44. 



Melaniadae, 79. 85. 

 Melanopsis, 44. 85. 

 attenuata, 43. 



20. 187. i Nanina, 164. 



I Nauta hypnorum, 255. 

 [ Nautili, 229. 



Nautilus lacustris, 193. 2' 



Navicella, 80. 



Nerita, 80, 81. 97. 



aperta, 43. 



elegans, 275. 



fasciata, 90. 



fluviatilis, 83. 



globosa, 43. 



globulosa, 95. 



