188 



INDEX. 



L. continued. 



Lithophagi 

 Lucina . 

 Lutraria 

 LymncRcea 

 Lymnae 



Mactracea 



Mactra . 



Macrostomides 



Magilus 



Mallacea 



Malleus 



Maldania 



Marginella 



Melanides 



Melania 



Melanopsis 



Meleagrina 



Mitra 



Modiola 



MOLLUSCA 



Monoceros 

 Monodonto 

 Murex . 



Myaria . 

 Mya 

 Mytilus 

 Mytilacea 



Naiades 



Natica . 



Nautilacea 



Nautilus 



Navicella 



Nerita . 



Neritina 



Neritacea 



Nucula 



Nymphacea 



Oliva 



Onchidium 



Orbicula 



Ostrea . 



Ostracea 



Otion 



Ovula . 



M 



N 



21 



