INDEX. 



BIVALVES. 



PAGE. 



The Oyster 41 



Pearls 49 



The Mussel and tlie Cockle ..... 51 



Scallop Shells . . 57 



Limpits ......... 59 



liock-borers ......... Gl 



MI'LTl VALV KS. 



The Chitons 63 



liarnacles ......... 64 



Cuttle YiAi 67 



]Sautilus and AniuK^nite ..... 71 



