290 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 37. 
Purpura Lamarck, 1799, not of Martyn, 1784= Thais Bolten, 1798. 
Purpura Martyn, 1784, not Lamarck, 1799= Cerostoma Conrad, 1837. 
Purpura angulifera Duclos=Cymia tectum Wood. 
Purpura biscostalis Reeve, 1846= P. biserialis Blainville, 1832. 
Purpura blainvillei Deshayes, 1846= Thais delessertiana Orbigny. 
Purpura calladensis Blainville= Thais delessertiana Orbigny. 
Purpura calladensis Kiener=P. biserialis Blainville. 
Purpura carolensis Reeve, 1846= Thais triangularis Blainville. 
Purpura concholepas Orbigny = Concholepas Bruguiére. 
Purpura cornigera Blainville=Acanthina brevidentata Mawe. 
Purpura diadema Reeve, 1846= Thais costata Blainville. 
Purpura fasciolaris Lamarck, Mediterranean, not Peru. 
Purpura hemastoma Tryon, Peru= Thais peruensis Dall, n. n. 
Purpura janellii Valenciennes=Cantharus sanguinolentus Duclos. 
Purpura lepas v. Martens=Concholepas concholepas Bruguiere. 
Purpura melo Duclos= Thais crassa Blainville. 
Purpura ocellata Kiener= Acanthina brevidentata Mawe. 
Purpura orbignyi Reeve, 1846=Solenosteira fusiformis Blainville. 
Purpura peruviana Blainville=Concholepas concholepas Bruguiére. 
Purpura peruviana Lesson, cf.=Trophon cassidiformis Blainville.  __ 
Purpura peruviana Souleyet= Thais deltessertaneOxvbigny . Peruended Dalle 
Purpura truncata Duclos= Acanthina muricata Broderip. 
Purpura xanthostoma Broderip, 1833= Trophon cassidiformis Blainville, 1832. 
Pyrula ochroleuca Philippi=Trophon cassidiformis Blainville. 
Ranella kingi Orbigny = Argobuccinum vexillum Sowerby. 
Ranella tenuis Potiez and Michaud= Bursa ventricosa Broderip. 
Ranella triquetra Reeve= Eupleura muriciformis Broderip. 
Rissoina pulchra C. B. Adams=R. cancellata Philippi. 
Saxicava antarctica Philippi=S. solida Sowerby. 
Saxicava chilensis Hupé=S. solida Sowerby. 
Saxicava solida Sowerby, cf. S. arctica Linneeus. 
Saxicava tenuis Sowerby, 1834=S. solida Sowerby. 
Saxidomus squalidus Deshayes, not Carpenter= Marcia rufa Lamarck. 
Scala (anonymous) =Epitonium Bolten. 
Scalaria simillima Tapparone-Canefri, 1876=S. ducalis Morch. 
Sigaretus Lamarck, 1799, cf. Sinum Bolten, 1798. 
Sigaretus cynba Menke=Sinum concavum Lamarck. 
Sigaretus grayi Deshayes=Sinum concavum Lamarck. 
Sigaretus maximus Philippi=Sinum concavum Lamarck. 
Siphonaria xquilirata Carpenter, 1856=S. maura Sowerby. 
Siphonaria characteristica Reeve, 1842=8S. gigas Sowerby. 
Siphonaria concinna Sowerby. Gambia and Mauritius. 
Siphonaria lecanium Philippi, 1846=S. maura Sowerby. 
Siphonaria palmata Carpenter, 1856=S. maura Sowerby. 
Siphonaria scutellum Deshayes, 1841. New Zealand. 
Solecurtus coquimbensis Sowerby = Tagelus dombeyi Lamarck. 
Solen gladiolus Gray, 1839=S. macha Molina, 1782. 
Solenella norristi Sowerby=Malletia chilensis Desmoulins. 
Spondylus dubius Broderip=S. crassisquama Lamarck. 
Spondylus ducalis Lamarck. Philippines, not Peru. 
Spondylus leucacantha Broderip=S. crassisquama Lamarck. 
Spondylus pictorum Sowerby=S. crassisquama Lamarck. 
Spondylus princeps Broderip=S. crassisquama Lamarck. 
Strombus gibberulus Linneeus, is Indo-Pacific (Peru, Tschudi). 
