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BULLETIN 103, UNITED STATES NATIONAL MUSEUM. 



FOSSILS FROM THE PLEISTOCENE 



MOLLUSCA — continued. 

 Valuta alfaroi Dall. R. 

 Fasciolaria species. R. Specimen too 



young to determine. 

 Latirus cinguli/era (Lamarck). R. 

 Phos inlricatus Dall. R. 

 Engina turbinella (Kiener). R. 

 Nassa vihex Say. 



Columbella mercatoria (Linnaeus). 

 Anachis avara (Say). R. 



samanens'is Dall. C. 

 pulchella (Kiener). R. 

 Aspella scalaroides (Blainville). R. 

 Strombus bituberculatus Lamarck. 



pugilis Linnaeus. 

 Trivia pediculus (Linnaeus). R. 

 Murex rufus Lamarck. R. 

 pomum Gmelin. 

 nodatus Reeve. C. 

 Urosalpinx species. R. 

 Eulima bi/asciata (Orhigny) . R. 

 Cymatium vespaceum (Lamarck). R. 

 tuberosum (Lamarck). R. 

 Cerithiopsis species. R. 

 Bittium varium Pfeiffer. C. 

 Cerithium literatum (Born). R. 



algicola C. B. Adams. C. 

 medium Dall. R. 

 variabile C. B. Adams. 

 Cerilhidea varicosa Sowerby. R. 

 Modulus modulus (Linnaeus). C. 

 catenulcitus Philippi. R. 

 Littorina angulifera Lamarck. R 

 Vermetus nigricans Philippi (?). R. 

 Alabina cerithoides Dall. 

 Alaba tervaricosa Adams. R. 

 Rissoina laevigata C. B. Adams var. 

 browniana Orhigny. 

 striatocostata Orbigny. R. 

 cancellata Philippi. R. 

 elegantissima Orbigny. R. 

 Crepidula convexa Say. C. 



plana Say. C. 

 Calyptraea candeana Orbigny. C. 

 Natica pusilla Say. R. 

 Slgirclus perspectivus Say. R. 

 Phasianella pulchella C. B. Adams. C. 

 Turbo crenulatus Gmelin. R. 

 Astralium brevispina (Lamarck). R. 



tuberosum (Philippi) (?) 

 Tegula fasciata (Born). 

 Fissuridea alternata (Say). 

 Subemarginula einarginata (Blainville). 

 rollandii (Fischer). 



OF THE CANAL ZONE— Continued. 



MOLLUSCA — continued. 

 Acmaea punctata (Gmelin). 

 Neriiina viridis Lamarck. C 

 Tonicia schrammi Shuttlworth. R. 

 Dentalium callithrix Dall. C. 

 Cadulus vaughani Dall. C. 

 Leda vulgaris, new species. C. 



acuta Conrad. R. 

 Yoldia perprolracta Dall. C. 

 Area umbonata Lamarck. R. 

 imbricata Brugi^re. R. 

 antiqttata Linnaeus. C. 

 deshayesi Hanley. C. 

 campechiensis Dillwyn. R. 

 adamsi Smith. 

 occidentolis Philippi. R. 

 reticulata Gmelin. R. 

 Scapharca pillieri Dall. C. 

 Byssoarcafusca Brugifere. C. 

 Melina ephippium (Linnaeus). C. 

 Ostrea virginica Gmelin. C. 

 Pecten ziczac (Linnaeus). C. 



exasperatus Sowerby. C. 

 gibbus (Linnaeus). 

 gibbus dislocatus Say. R. 

 Mytilus exustus Lamarck. R. 

 Chama sp. R. 

 ep. C. 

 Crassinella guadalupensis (Orbigny). R. 

 Diplodonla mediamericana Brown and 



Pilsbry. R. 

 Diplodonta soror C. B. Adams. C. 

 Codakia orbiculala (Montagu). R. 



antillarum Reeve. C. 

 Lucina chrysostoma Philippi. C. 

 Phacoides lintea (Conrad). R. 



near crenulatus (Conrad). R. 

 antillarum Reeve. R. 

 leucocyma Dall. R. 

 pectinatus (Gmelin). C. 

 Phacoides species 

 Cuspidaria {Cardiomya) costellata Des- 



hayes. R. 

 Cardium serratum Linnaeus. C. 

 medium Linnaeus. 

 muricatum Linnaeus. C. 

 Gafrarium (Gouldia) cerina (C. B. Adams). 



R. 

 Pitnr subarrcsta Dall. 

 Chione cancellata (Linnaeus). C. 

 Tcllina {Eurytellina) alta-nata Say. C. 

 ( Cyclotellina) fausta Donovan. 

 {Angulus) versicolor ( ozzens. 

 promera Dall. 



