288 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



Nassa xanthostoma Gray, n. n. for N. teleostoma Broderip and Sowerby. 



Natica atacamensis Fhilipin= Polinices dubius Recluz. 



Nalica bonplandi Valenciennes =PoZmjces glaums Humboldt. 



Natica chemnUzii Pfeffer=iS\ unifasciata junior. 



Natica elongata Tro^chel—Polinices cora Orbigny. 



Natica excavata Carpenter =N. elense Recluz. 



Natica galapagana 'Rec\uz=Polinic('s otis Broderip. 



Natica haneti Recluz— A^. elenxRecXm. 



Natica iostoma Menke=iV. broderipiana Recluz. 



Natica patula Sowerby =Polinices glaucus Humboldt. 



Natica perspicua Jiec\uz = Poliniccsotis Broderip. 



Natica prichardi Forbes=i\^ unifasciata junior. 



Natica rapulum Reeve=PoZmices dubius Recluz. ^ 



Natica salangoensis Reclnz= Polinices otis Broderip. 



Natica taslei Recluz =A^. broderipiana Recluz. 



Nerita bernhardi Recluz, cf. N. fulgurans Gmelin. 



Nerita deshayesii Recluz =i\\ scabricosta Lamarck. 



Nerita fuscata Menke=A^. scabricosta Lamarck. 



Nerila mtdtijugis ]Menke=i\^ scabricosta Lamarck. 



Nerita or nata Sowerby, 1823 = .V. scabricosta Lamarck. 



Nerita peruviana Philippi=x¥. yoldii Recluz. China. 



Neritliia fontaineaua Orbigny=A\ owenii Mawe. 



Neritina globosa Broderip=iV^. owenii Mawe. 



Neritina guayaquilensis Sowerby, cf. N. owenii Mawe. 



Neritina intermediaSowerby^N. owenii Mawe. 



Neritina latissima Broderip=i\^. oirenii Mawe. 



Neritina zebra Sowerby, not Lamarck = .V. sohrina Recluz. 



Nettastoma see Pholadidea. 



Nettastoinella see Pholadidea. 

 Nitidella cribraria Lamarck =iV". ocellata Gmelin. 

 Nucula cunenla Sowerby = Leda acuta Conrad. 

 Nacula lyrata Hinds=Leda eburnea Sowerby. 



Nucula obliqua Gray, Sowerby, not of Lamarck=X grayi. 



Nucula semiornata Orbigny =iV^. p>isum Sowerby. 



Ocinebra (Leach) Gray, 18i7 =Tritonalia Fleming, 1828. 



Oliva hiatula Gmelin, S. Africa, cf. 0. testacea Lamarck. 



Oliva razamola Duclos, \SZb=Olivella volutella Lamarck. 



Orbicula lamellata Troschel=Disciriisca lamellosa Broderip. 



Orbicida strigata Broderip= Z)i.scmisca cumJngi Broderip. 



Orbicula tenuis Sowerbj% cf. Discinisca hevis Sower})y. 



Ostrea cliilocnsis Sowerby =^0. chilensis Philippi. 



Ostrea cibialis Hupe=C'. chilensis Philippi. 



Ovtda Bruguiere, cf. Simnia Risso. 



Patella atramentosa Reeve=P. magellanica Gmelin. 



Patella chiloensis Reeve=P. magellanica Gmelin. 



Patella concepcionis hesson^^Scurria zebrina Orbigny. 



Patella diaphana Ree\e=Scurria mesoleuca Menke. 



Patella goreensis Cimelin, cf. Crepidida crepidida Linnppus. 



Patella grammica VhiVippi =Acmiea variabilis Sowerby. 



Patella lepas GmeVm—Voncholepas concholepas Bruguiere. 



Patella leucophita Vhiiippi =Scurria parasitica Oi'bigny. 



Patella lineata Pliilippi=.4cm<Trt variabilis Sowerby. 



Patella maxima Orbigny^P. mexicana Broderip and Sowerby. 



Patella meridioi^aUs Rochebrune=P. magellanica Gmelin. 



