CONTENTS. 



Pulmonata 



Nudibrancliiata 



Heteropoda 



Order I. — Pectinibranciiiata 



Section I. - 



Family I. — Strombacea 

 Pteroceras 

 Strombus 

 Rosteliaria 

 Dibaphus 

 Terebellum 

 Rostrotrema 

 Pterodonta 

 Spinigera 



Family II. — Aporrhaidea 

 Aporrhais 

 Struthiolaria 



Family III. — Conea 

 Conus - 



Family IV. — Pleurotomacea 

 Pleurotoma 

 Perrona 

 Clavatula 

 Defrancia 

 Daphnella 

 Mangelia 

 Bela - 

 Borsonia 

 Conopleura 



Family V. — Muricea - 

 Fusus - 

 Fasciolaria 

 Turbinella 

 Ficula - 

 Cochlidium 

 Pyrula - 

 Murex - 

 Typhis - 



