no. 1704. A COLLECTION OF SHELLS FROM PERU—DALL. 
Pateila metallica Rochebrune=P. magellanica Gmelin. 
Patella penicillata Reeve=Acmea variabilis Sowerby. 
Patella plana Reeve, not Philippi=Acmeza araucana Orbigny. 
Patella pupillata Rochebrune=P. magellanica Gmelin. 
Patella scutellata Gray, Wood=Crucibulum imbricatum Sowerby. 
Patella striata Reeve=Scurria mesoleuca Menke. 
Patella venosa Reeve=P. magellanica Gmelin. 
Patella vespertina Reeve=Scurria mesoleuca Menke. 
Pecten aspersus Sowerby=P. tumbezensis Orbigny. 
Pecten inca Orbigny =P. ventricosus Sowerby. 
Pecten magnificus Sowerby =P. subnodosus var. 
Pecten pomatia Valenciennes cf. P. ventricosus Sowerby. 
Pecten sowerbit Reeve, 1852=P. tumbezensis Orbigny. 
Pecten tumidus Sowerby, 1835= P. ventricosus Sowerby. 
Pectunculus Lamarck=Glycymeris Da Costa. 
Pectunculus assimilis Sowerby =Glycymeris inxqualis Sowerby. 
Pectunculus inequalis Sowerby, 1839, not 1832=P. bicolor Reeve. 
Pectunculus intermedius Broderip=P. ovatus Broderip. 
Pectunculus pectiniformis Wood, not Lamarck= P. inequalis Sowerby. 
Penitella conradi Valenciennes= P. penita Conrad. 
Penitella wilsont Conrad = Pholadidea melanura Sowerby. 
Peraclis bispinosa Pelseneer, 1888=P. reticulata Orbigny. 
Perna Lamarck, see Melina Retzius. 
Petricola chiloénsis Philippi=P. rugosa Sowerby. 
Petricola nivea Gmelin. Indo-Pacific—Nicobar Islands. 
Petricola ovata Troschel=P. rugosa Sowerby. 
Petricola solida Sowerby=P. elliptica Sowerby. 
Petricola tenuis Sowerby=P. rugosa Sowerby. 
Petricola ventricosa Deshayes=P. denticulata Sowerby. 
Philippina Dall, 1901=Entodesma Philippi, 1845. 
Pholadopsis, see Jouannetia. 
Pholas beauiana Recluz= Martesia curta Sowerby. 
Pholas concamerata Deshayes= Pholadidea penita Conrad. 
Pholas crucifera Sowerby, Thes., see Barnea crucigera Sowerby. 
Pholas cucullata Gray =Pholadidea penita Conrad. 
Pholas gibbosa Orbigny = Xylotomea globosa Sowerby. 
Pholas grayana Sowerby, cf. Martesia curta Sowerby. 
Pholas lamellosa Orbigny =Barnea subtruncata Sowerby. 
Pholas laqueata Sowerby, 1849=P. chiioénsis Molina. 
Pholas parva Sowerby, 1834=P. chiloénsis Molina, var. 
Pholas pulcherrima Sowerby =Jouannetia pectinata Conrad. 
Pileopsis pilosus Deshayes=Hipponix sp. 
Pileopsis subrufa Lamarck, see Hipponix. 
Pleurotoma, Lamarck, 1799=Turris Bolten, 1798. 
Pleurotoma cincta Sowerby, not Lamarck=P. zonulata Reeve 
Pleurotoma cornuta Sowerby, 1833=P. nigerrima Sowerby. 
Pleurotoma corrugata Sowerby, not Kiener=P. sowerbyi Reeve. 
Pieurotoma incrassata Sowerby, 1833=Drillia botte Valenciennes. 
Pleurotoma turricula Sowerby, 1833=P. sowerbyi Reeve. 
Pneumodermon violaceum Boas, part=P. boasi Pelseneer. 
Pollia hemastoma Gray =Cantharus sanguinolentus Duclos. 
Psammobia crassa Hupé=P. solida (Gray) Philippi. 
Psammosolen Hupé, see Tagelus Gray. 
Proc.N.M.vol.87—09——_19 
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