INDEX. 



303 



PAGE 



Plauorbis 256 



Pleurobranclius .... 220 



Polycera 225 



Poromya 42 



Proctonotiis 228 



Prox3ilidium 121 



Psammobia 53 



Pteropoda Ill 



Punctiirella 123 



Purpura 186 



PyramidelUdcB . . . .166 



Eissoa 149 



E-ossia 263 



E-umina 228 



Saljpidcs 7 



Saxicava 271 



Scalaria 163 



Scalan'dcB 163 



Scapliander 208 



Scissurella 136 



Scrobicularia 56 



SeyUsea 225 



Sepia 264 



Sepiadce ....... 264 



Sepiola 262 



Skenea . 153 



PAGE 



SolecurtidcB ...... 50 



Solecurtus ...... 50 



Solen ........ 46 



SolenidcB 46 



Sphgenia 40 



, Sty lifer 167 



Succinea 251 



Syndosmya 55 



Tapes 62 



Tellina 54 



Tellinidce 52 



Terebratula Ill 



TerehratulidcB 110 



Teredo 8 



Teredina 15 



Testacella 236 



TestacelUdcB 236 



TeutJiidce 262 



Tliecacera 224 



Thraoia 44 



Tornatella 212 



Tricliotropis 180 



Triopa 224 



Tritonia 225 



TritonidcB 225 



TrochidcB 131 



Trochus 133 



