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Page 



monstrosa, Venus . . ,55 



monstrosuin, Cardium .... 143, 364 



Montacuta 346 



montagui, Crassina . . 88 



montezumae, Anodonta 387 



mordax, Ostrea 310 



morio, Meleagrlna 264 



morphina, Cytherea . 96 



Morrisia 320 



davidsoni 323 



lunif era 323 



seminulum 323 



mortoni, Cardium ........... 141, 364 



Unio 180 



mortoniana, Anodonta 219 



morum, Pectunoulus .166, 375 



mucrooatus, Unio 207 



muhlfeldianus, Unio . .-. . 196, 379 



(Mulinia) bicolor, Mactra .... 340 



byronensis, Mactra ... ... 540 



donaciformis, Mactra 340 



lateralis, Mactra . 340 



Muliniae . 34 



Mulleria 230 



mumia, Fistulana 335 



Gastrochaena 335 



Multangula 69 



multicostata, Area 161, 371 



Lima • 266 



Venus 128, 358 



multicostatus, Pectunculus . .165, 375 

 multiplicatus, Unio ........ 175 



multipunctatum, Cardium . . .140, 363 



multiradiatus, Unio 190, 379 



multispinosum, Cardium . . . 137, 363 

 multistriata, Ostrea ....... 305 



multistriatum, Cardium ...... 138 



