390 



INDEX. 



Margarita, Leach. . II 315 



Margaritana, Schum. Ill 240 



Margaritaria, Conr. Ill 152 



Margariteya, M. & H, II 315 



Margaritophora, Muh.III 271 



Margaron, Lea. . . Ill 240 



Margarya, Nevill. . II 274 



Marginella, Lamarck. II 173 



Marginellidae. . . II 172 



Mariaella, Gray. . Ill 80 



Marisa, Gray. . . II 277 



Marmorostoma, Swn. II 305 



Marmula, King, . Ill 95 



Marpessa, Gray. . Ill 75 



Marsenina, Gra}-. . II 10 



Marsyas, Oken. . . Ill 93 



Martensia, Semper. Ill 26 



Martesia, Leach. . Ill 128 



Martinia, M'Coy. . Ill 321 



Mascaria, Aiigas. . II 282 



Massyla, H. & A. Ad. II 181 



Mastigoteuthis, Ver. II 39 



Mastogyra, Ancey. Ill 58 



Mastonia, Hinds. . II 249 



Mastula, Lowe. . . Ill 70 



" . . Ill 71 



Mastus, Beck. . . Ill 54 



Matata, Hartman. . Ill 56 



Matharena, Bergh. . II 388 



Matheria, Billings. Ill 234 



Matheronia, Mun.-Ch. Ill 200 



Mathilda, Semper. . II 225 



Maugerella, Carp. . II 341 



Mauritia, A. Ad. . II 170 



Mauritia, Troschel. II 198 



Mayeria, Bellardi. . II 128 



Mazza, Klein. . . II 160 



Mazzalina, Conr. . II 133 



Mecynodon, Keferst. Ill 331 



Medea, Bottger. . Ill 54 



Medlicottia, Waagen. II 72 



Medora, H. & A. Ad. Ill 75 



Medoria, Leach. . II 244 



Medyla, Gray. . . Ill 27 



Meekella, W. & St. J. Ill 329 



Meekia, Gabb. . . Ill 215 







PAGE 



Meekoceras, Hyatt. 





69 



Megadesma, Bowdich 





173 



Megadesmus, Sowb. 





230 



Megaleuxiua, Bottgei 



.111 



76 



Megalodon, Sowerby. 





207 



Megalodontidse. 





207 



Megalodns, Goidfuss. 





207 



u u 





246 



MegalomuSjHall. . 





207 



u u 





257 j 



Megalomphalus, Brus 





245 i 



Megalophtedusa, Bot. 



III 



76 



Megalostoma, Guild. 





282 



Megaloteuthis, Kent. 





37 



Megara-, H. & A. Ad. 





256 



u u 





257 



Megambonia, Hall. 



III 



258 



Meganema, Conr. . 





142 



Meganteris, Suess. . 



III 



310 



Megapelta, Morch. 



III 



79 



Megaptera, M. & W. 



III 



275 



Megaphyllites, Mojs. 





71 



Megaptygma, Conr. 





166 



Megasiphonia, d'Orb. 





59 



Megaspira, Lea. 



III 



72 



Megasystropha, Lea. 



III 



105 



Megateuthis, Ba34e. 





47 I 



MegateuthiSjHilg. . 





40 ^ 



Megathyris, d'Orb. 



III 



313 



Megerlea, King. 



III 



311 



Megiraathium, Van H.I II 



83 



Megistoraa, Gabb. . 



II 



352 



Meiocardia, H. & A. A. Ill 



189 



Melvongia, C. & F. 





275 



Melacantha, Swains. 





253 



Meladomus, Swains. 





217 



Melafusus, Swains. 





256 



Melagraphia, Stentz. 





313 



Melampus, Montfort. 



III 



95 



Melanatria, Bowdich. 





255 



Melanella, Swainson. 





251 



Melania, Lamarck. . 





251 



u u 





252 



Melaniella, Pfr. 



III 



61 



Melaniidse. . . . 





251 



Melanoides, Oliver, 





252 



