214 



Marsyas, 492. 

 Martesia, 593. 

 Mastonia, 241. 

 Mastus, 470. 

 Medoria, 208. 

 Megadesma, 585. 

 Megadomus, 688. 

 Megalodon, 674. 

 Megalodus, 674. 

 Megalomastoma, 524. 

 Megaspira, 474. 

 Meghimatium, 435. 

 Melacanthus, 215. 

 Meladomus, 170. 

 Melafusus, 226. 

 Melagraphia, 128. 

 Melampa, 493. 

 Melampus, 493, 494. 

 Melanamona, 229. 

 Melanatria, 222. 

 Melanella, 214. 

 Melania, 215, 224, 228, 



252, 288, 289, 290, 466, 



469. 

 Melanithes, 228. 

 Melanoides, 215. 

 Melanopside, 228. 

 Melanopsis, 222, 224, 228, 



229, 500. 

 Melarapha, 194. 

 Melaraphis, 194. 

 Melas, 215. 

 Melatoma, 12, 225. 

 Meleagrina, 733. 

 Meleagris, 132. 

 Melibaea, 365, 367. 

 Melibe, 367. 

 Melibea, 367. 

 Meliboea, 367. 

 Meliiia, 736. 

 Melo, 82, 83. 

 Melongena, 21. 

 Mendigera, 470. 

 Menetho, 288. 

 Mercenaria, 543. 

 Meretrix, 536. 

 Meroe, 537. 

 Merria, 256. 

 Mesalia, 245. 

 Mesodesma, 572. 

 Mesodon, 460. 

 Mesomphyx, 456, 462. 

 Metopoma, 428. 

 Miciocystis, 433. 

 Microstoma, 55. 

 Mingeria, 49. 

 Mitra, 94. 



Mitrella, 8, 94, 96, 98. 

 Mitreola, 96. 

 Mitrula, 269. 

 Mitrularia, 271. 



Misas, 505. 

 Modiola, 717, 722, 

 Modiolarca, 722. 

 Modiolaria, 721,722. 

 Modiolus, 717. 

 Moldia, 620. 

 Monacha, 461. 

 Monilea, 133. 

 Monoceros, 29, 34, 35, 57, 



68. 

 Monocerotes, 242. 

 Monocondyla, 687. 

 Monocondylea, 687. 

 Monoculus, 765. 

 Monodacna, 559. 

 Monodon, 127. 

 Monodonta,123,127,196, 



488, 686. 

 Monodontes, 127. 

 Monoplex, 6. 

 Monoptigma, 81, 285. 

 Monoptygma, 81. 

 Monotygma, 81, 285. 

 Montacuta, 649, 650. 

 Montagua, 373, 375. 

 Mopalia, 420. 

 Morio, 44*. 

 Morula, 60. 

 Morum, 47. 

 Moschites, 794. 

 Moulinea, 568. 

 Moulinsia, 527. 

 Mouretia, 512, 513. 

 Moutensia, 528. 

 Mulinia, 568. 

 Mulleria, 660. 

 Muretia, 512. 

 Murex, 10, 11, 16, 30. 

 Muricanthus, 10. 

 Muricidea, 11. 

 Muriciformis, 23. 

 Musica, 85. 

 Mutela, 693. 

 Mva, 622, 723, 749. 

 Myadora, 633. 

 Myatella, 632. 

 Mycetopoda, 698, 

 Mycetopus, 698. 

 Myochaina, 635. 

 Myoconcha, 669. 

 Myodora, 633. 

 Myosota, 292. 

 Myristica, 21. 

 Myrtea, 677. 



Mysia, 535,551,678,688. 

 Mytilicardia, 663. 

 Mytilicardita, 663. 

 Mytilimeria, 728. 

 Mytilina, 725. 

 Mytilosaya, 727. 

 Mytilus, 595, 716. 



Mytulina, 725. 



Mytulus, 716. 



Myxa9, 505, 507. 



Myxostoma, 521. 



Nacca, 180. 



Nacella, 403. 



Naia, 688. 



Naidea, 688. 



Nana, 68, 228. 



Nanina, 433, 



Nannia, 68. 



Narica, 256. 



Naša, 68. 



Nassa, 55, 63, 68, 71, 



234, 

 Natica, 180, 183. 

 Naticaria, 186, 190. 

 Naticella, 185, 206. 

 Naticina, 185, 190, 

 Naticus, 180. 

 Naucura, 308. 

 Nauta, 507. 



Nautilus, 508, 509, 810. 

 Navicella, 165. 

 Navicelle, 165. 

 Navicula, 466, 700. 

 Neara, 643. 

 Nebularia, 94. 

 Neithea, 741. 

 Neraatura, 207, 

 Nerea, 369. 

 Nerilopsis, 192. 

 Neripteron, 164. 

 Neripterum, 164. 

 Nerita, 161, 229, 254, 256, 



516. 

 Neritella, 164. 

 Neritiformes, 180. 

 Neritina, 164, 231. 

 Neritine, 164. 

 Neritoidea, 173. 

 Neritoides,'194. 

 Neritopsis, 192, 256. 

 Nesea, 18. 

 Neverita, 182. 

 Nicania, 672. 

 Nioma, 256. 

 Niso, 291. 

 Nisso, 291. 

 Nitidella, 53. 

 Nortliea, 70. 

 Notarchus, 318, 319. 

 Novaculina, 610. 

 Nucula, 617. 

 Nuculina, 618. 

 Nux, 555. 

 Obba, 457. 



Obeliscus, 283, 470,472. 

 Oceaniis, 810. 

 Ocenebra, 10. 

 Ochthephila, 461. 



