212 



Mitra 



Modjola ... 



Murex 



Mytilus ... 



Nassa 



Natica ... 



Nautilus 



NaviccUa 



Nerita 



Neritina ... 



Notarchus 



Nudibranchs 



Octopus 



Oliva 



Oitrea 



Ovula 



Ovum 



Pachylabra 



Paphia ... 



Parreysia 



Patella ... 



Pecten 



Pectunculus 



Perna 



Phasianella 



Philine ... 



Pholas , . 



Pinna 



Pirula 



Placuna ... 



Planorbis 



Pleurobranchus 



Pleurotonia 



Polypus 



Potamides 



Psammobia 



Pterocera 



Pteropods 



Purpura 



Ranella ... 



Raptna ... 



MADRAS FISHERIES BULLETIN 



Patre 



