Ladas, 344. 
Leevigati, *189. 
Lagena, 216 
Lajonkairia, 475. 
Lamellaria, *237. 
Lamellibranchiata, 5, 393. 
Larninarian zone, 151. 
Lampania, *244, 
Lampas, 363. 
Land provinces, 51. 
Laniogerus, 336. 
Lanistes, *259. 
Lanistes, 422. 
Lasea, 459. 
Lateral teeth, 401. 
Laternula, 495. 
Latia, *302. 
Latirus, 216. 
Latona, 485. 
Latrunculus, 221. 
Leachia, 170. 
Leda, 427. 
Leguminaria, 488. 
Leila, 435. 
Letodomus, 220. 
Leiostoma, 218. 
Lembulus, 427. 
Leonia, 306. 
Lepeta, *281. 
Leptena, 380, 381. 
Leptagonia, 380. 
Lepto-chiton, 283. 
Leptoconchus, 224, 
Leptodonus, 497. 
Lepton, *460. 
Leptopoma, *308. 
Leptoteuthis, *169. 
Leucostoma, 223. 
Leucotina, *241. 
Leucotis, 237. 
Levenia, 224, 
Liarea, 307. 
Libitina, 467. 
Ligament, 400. 
Ligati, *199. 
Ligula, 484, 495. 
Liguus, 292. 
Lima, 11, *412. 
Limacella, 296. 
Limacide, *295. 
Limacina, *351. 
Limacinide, *851, 
Limea, *413. 
Limanomia, *409. 
Limapontia, *340, 
Limatula, *413, 
Limax, *295. 
Limnea, *3800. 
Limneide, *300, 
Limopsis, *426. 
Lincina, 307. 
Lines of growth, 34, 
Lingual teeth, 21. 
Linguella, 325. 
Lingula, 1, 358, 359, *390, 
Lingulide, *390, 
Linteria *316, 
Liotia, *266. 
Lips, 206, 
INDEX. 
Listera, 484. 
Lithedaphus, 276. 
Lithidion, 306. 
Lithocardium, *454., 
Lithodomus, 34, *422, 
Lithoglyphus, *257. 
Litiopa, 8, *255. 
Littoral zone, 151. 
Littorina, 37, *250, 286. 
Littorinidz, *250. 
Lituites, *189, 
Lituus, 174. 
Liver, 22. 
Livona, 264. 
Lobaria, 482. 
Lobiger, *322. 
Loligo, *167. 
Loligopsis, *170. 
Loligosepia, 168. 
Loliolus, 168, 172. 
Lomanotus, *334. 
Lomastoma, *309, 
Lophocercus, 322. 
Lophurus, 283. 
Loripes, 456. 
Lottia, 281. 
T.oxonema, *241. 
Lucapina, *273. 
Lucidella, *310. 
Lucina, 38, 56, *456. 
Lucinide, *455. 
Lucinopsis, 131, *475. 
Lunatia, *236. 
Lunularca, *427. 
Lunulocardium, 454. 
Luponia, *233. 
Lusitanian region, 91—97. 
Lusitanian proy., 63, 67. 
Lutraria, *479. 
Lutricola, 484. 
Lychas, 454. 
Lychnus, *289. 
Lyonsia, 422, 498, 
Lyra, *365. 
Lyriodon, 430. 
Lyrodesma, *432, 
Lysianassa, 497. 
Macgillivrayia, 225, 352. 
Macha, 488. 
Machera. *488. 
Maclurea, *345. 
Macrocheilus, *241. 
Macrodon, *425. 
Macroschisma, *273. 
Mactra, 24, *477. 
Mactra, 431, 
Mactrella, *478. 
Mactride, *477. 
Mactrinula, 478. 
Mactromya, 457, 484, 496. 
Madagascar shells, 98. 
Madeiran shells, 65, 92. 
Maunia, 468. 
Magas, *366. 
Magdula, 498. 
Magellanica, 365. 
Magellanic province, 82. 
Magilus, 36, *224, 
Zo 
513 
Malea, *226. 
Malletia, 429. 
Malleus, *416. 
Mamilla, 235. 
Mangelia, *229. 
Mangelia, 229. 
Mantle, 34. 
Margarita, 55, *265, 
Margaritana, 433. 
Margaritophora, 416, 
Marginella, 55, *232. 
Marine provinces, 51, 54. 
Marinula, 304, 
Marisa, *259. 
Marmorostoma, 263. 
Marsenia, 237. 
Martesia, *505. 
Martinia, 371. 
Mauritius shells, 99. 
Mediterranean shells, 65 
Medoria, 255. 
Megadesma, 486. 
Megadesmus, 470. 
Megalodon, *469. 
Megaloma, *469, : 
Megalomastoma, 809. 
Meganteris, *365. 
Megasiphonia, 189. 
Megaspira, 286, *294. 
Megathyris, 368. 
Megatrema, 278. 
Megerlia, *367. 
Meghimatium, 296. 
Meladomus, *259. 
Melafusus, *247, 
Melampus, 304, 
Melanatria, *247, 
Melania, *246. 
Melaniadee, *246. 
Melanioides, 240. 
Melanopsis, 33, 37, *245. 
Melatoma, *247. 
Meleagrina, *416, 
Melia, 191, 195. 
Melibea, *334. 
Melina, 418. 
Melo, 231. 
Menestho, 240. 
Merceneria, 473. 
Meretriz, 474. 
Merista, *374, 
Meroe, *474. 
Merria, 237. 
Mesalia, 249. 
Mesodesma, *484, 
Metoptoma, *277. 
Metropolis, 52. 
Mexico, shells of, 109. 
Minolia, 265. 
Miranda, 331. 
Mitra, 53, *231. 
Mitrella, 231. 
Modiola, 11, 33, *421. 
Modiolarca, *422, 
Modiolaria, 422. 
Modiolopsis, *422, 
Modulus, *252. 
Molluscoida, 5, 6, 
Monilea, 264, 
