LIBRARY OF THE UNIVERSITY OF CALIFORNIA. RECEIVED BY EXCHANGE Published monthly by the New York State Education Department BULLETIN 341 MAY 1905 New York State Museum JOHN M. CLARKE Director Bulletin 88 ZOOLOGY 11 CHECK LIST MOLLUSCA OF NEW YORK BY ELIZABETH J. LETSQN ~ PAGE Cephalopoda 3 Gastropoda ' 4 Pulmonata 27 Polyplacophora 63 Pelecypoda 64 Index 99. ALBANY NEW YORK STATE EDUCATION DEPARTMENT 1905 Mi45m-s4-i5oo Price 20 cents STATE OF NEW YORK EDUCATION DEPARTMENT Regents of the University With years when terms expire 1913 WHITELAW REID M.A. LL.D. Chancellor - - - New York 1906 ST CLAIR MCKELWAY M.A. L.H.D. LL.D. D.C.L. Vice Chancellor - - - - Brooklyn 1908 DANIEL BEACH Ph.D. LL.D. Watkins 1914 PLINY T. SEXTON LL.D. -------- Palmyra 1912 T. GUILFORD SMITH M.A. C.E. LL.D. - - - - Buffalo 1907 WILLIAM NOTTINGHAM M.A. Ph.D. LL.D. - - Syracuse 1910 CHARLES A. GARDINER Ph.D. L.H.D. LL.D. D.C.L. New York 1915 CHARLES S. FRANCIS B.S. - Troy 1911 EDWARD LAUTERBACH M.A. ------- New York 1909 EUGENE A. PHILBIN LL.B. LL.D. - - New York LUCIAN L. SHEDDEN LL.B. - - - - Plattsburg Commissioner of Education ANDREW S. DRAPER LL.D. Assistant Commissioners HOWARD J. ROGERS M.A. LL.D. First Assistant Commissioner EDWARD J. GOODWIN Lit.D. Second Assistant Commissioner AUGUSTUS S. DOWNING M.A. Third Assistant Commissioner Secretary to the Commissioner HARLAN H. HORNER B.A. Director of Libraries and Home Education MELVIL DEWEY LL.D. Director of Science and State Museum JOHN M. CLARKE LL.D. Chiefs of Divisions Accounts, WILLIAM MASON Attendance, JAMES D. SULLIVAN Examinations, CHARLES F. WHEELOCK B.S. Inspections, FRANK H. WOOD M.A. Law, THOMAS E. FINEGAN M.A. Records, CHARLES E. FITCH L.H.D. Statistics, HIRAM C. CASE PREFACE The study of the recent Mollusca, La belle science as it has been termed, is very attractive to many intelligent persons and the interest in recent shells is widespread throughout the State. Since the pub- lication of the illustrated descriptions of the New York Mollusca by James E. De Kay in 1843, as a Part °f the Natural History of New York, only occasional efforts have been made by the State Museum to bring present knowledge of these creatures to a fuller expression. It would doubtless be well, after this lapse of more than 60 years, to portray in monographic detail the molluscan fauna of the State in its scientific and economic bearings. Pending the inauguration of such an undertaking, it is believed that the complete list of species of our Mollusca with references to places of description here- with presented, will serve a useful purpose. It comprehends all verified species of our molluscan fauna and it invites suggestions and emendations from students of the subject. This list has been prepared at the suggestion of my predecessor in office, Dr F. J. H. Merrill, by Miss Elizabeth J. Letson, director of the Museum of the Buffalo Society of Natural Sciences, a keen and accomplished student of this branch of science. JOHN M. CLARKE Director New York State Education Department New York State Museum JOHN M. CLARKE Director Bulletin 88 ZOOLOGY M CHECK LIST OF THE MOLLUSCA OF NEW YORK COMMUNICATED BY ELIZABETH J. LETSON Class CEPHALOPODA Order DIBRANCHIATA Suborder DECAPODA Family LOLTGINIDAE Genus LOLIGO Lamarck Loligo peali Lesueur Loligo punctata DeK. DeKay, Nat. Hist. N. Y. 1843. P-3« (Long Island) Loligo pealii DeK. DeKay, Nat. Hist. N. Y. 1843. p.4 Loligo punctata DeK. Smith & Prime, An. Lye. N. Y. IX. 1870. p. 404. (Long Island sound) Loligo pealii Les. Smith & Prime, An. Lye. N. Y. IX. 1870. p. 405. (Long Island sound) Loligo pallida Verrill 'Loligo pall i da Ver. Tryon, Man. Conch. 1879. 1:143. (Long Island sound) Family OMMATOSTREF»HIDAE Genus OMMATOSTREPHES D'Orbigny Ommatostrephes saggittatus Lamarck Loligo illecebrosus Les. Smith & Prime, An. Lye. N. Y. IX. 1870. p. 404. (Long Island sound) Ommatostrephes saggittatus Lam. Tryon, Man. Conch. 1879. 1:177 Family SPIRULIDAE^ Genus SPIRULA Lamarck Spirula peroni Lamarck Spirula peronii Lam. DeKay, Nat. Hist. N. Y. 1843. p.£ S pir ula p er o n ii Lam. Tryon, Man. Conch. 1879. I:20S 4 NEW YORK STATE MUSEUM Class GASTROPODA Order PECTINIBRANCHIATA Family NIURICIDAE .Genus UROSALPINX Stimpson Urosalpinx cinerea Say Fu s u s cin ere u s Say. DeKay, Nat. Hist. N. Y. 1843. P-I45 F us us im brie at us DeK. DeKay, Nat. Hist. N. Y. 1843. p.i47 Fusus cinereus Say. Jay, Cat. 1852. p.32i Buccinum plicosum Mke. Smith & Prime, An. Lye. N. Y. IX. 1870. p^g; Urosalpinx cinerea Say. Try on, Man. Conch. 1880. 2:152 Genus EUPLEURA Adams Eupleura caudata Say Eupleura caudata Say. Tryon, Man. Conch. 1880. 2:157 Genus TROPHON Adams Trophon clathratus Linnaeus Fusus bamfius Mont. DeKay, Nat. Hist. N. Y. 1843. P-M8 Trophon clathratus Linn. Tryon, Man. Conch. 1880. 2:140 Trophon scalariformis Gould Fusus scalariformis Gld. DeKay, Nat. Hist. N. Y. 1843. P-H3 Subfamily PURPURINAE Genus PURPURA Bruguiere Purpura lapillus Linnaeus Purpura lapillus Linn. DeKay, Nat. Hist. N. Y. 1843. P-135 Purpura imbricata Lam. DeKay, Nat. Hist. N. Y. 1843. p.i36 Purpura bizonalis Lam. DeKay, Nat. Hist. N. Y. 1843. p.i36 Purpura lapillus Linn. Smith & Prime, An. Lye. N. Y. IX. 1870. p.397 Purpura lapillus Linn. Tryon, Man. Conch, 1880. 2:171 Family BUCCINIDAE Subfamily NEF>TUISTIINAE Genus NEPTUNEA Bolten Neptunea despecta Linnaeus Fusus tornatus Gld. DeKay, Nat. Hist. N. Y. 1843. p. 148 Neptunea despecta Linn. Tryon, Man. Conch. 1881. 3:116 MOLLUSCA OF NEW YORK 5 Neptunea decemcostata Say Fusus decemcostatus Say. DeKay, Nat. Hist. N. Y. 1843. P-HS Neptunea decemcostata Say. Tryon, Man. Conch. 1881. 3:118 Genus SIPHO Klein Sipho islandicus Chemnitz F us u s is Ian die u s Chem. DeKay, Nat. Hist. N. Y. 1843. P-J44 Sipho islandicus Chem. Tryon, Man. Conch. 1881. 3:123 Sipho stimpsoni Morch Sipho stimpsoni Morch. Tyron, Man. Conch. 1881. 3:126 Sipho pygmaeus Gould Sipho pygmaeus Gld. Tryon, Man. Conch. 1881. 3:129 Sipho ventricosus Gray Fusus ven tr i co sus Gray. DeKay, Nat. Hist. N, Y. 1843. p. 144 Sipho ventricosus Gray. Tryon, Man. Conch. 1881. 3:128 Genus FULGUR Montfort Fulgur canaliculatum Linnaeus Pyrula canaliculata Linn. DeKay, Nat. Hist. N. Y. 1843. p.i40 Pyrula canaliculata Linn. Jay, Cat. 1852. p. 328 Sycotypus canaliculatus Linn. Gill, Am. Jour. Conch. 1867. 3^49 Pyrula canaliculata Linn. Smith & Prime, An. Lye. N. Y. IX. 1870. p. 398 Fulgur canaliculatum Linn. Tryon, Man. Conch. 1881. 3:142 Fulgur carica Linnaeus Pyrula carica Linn. DeKay, Nat. Hist. N. Y. 1843. P-^41 Pyrula carica Linn. Jay, Cat. 1852. p. 328 Pyrula aruana Linn. Jay, Cat. 1852. p.328 Fulgur carica Linn. Gill, Am. Jour. Conch. 1867. 3:I45 Pyrula carica Linn. Smith & Prime, An. Lye. N. Y. IX. 1870. P-398 Fulgur carica Linn. Tryon, Man. Conch. 1881. 3:140 Subfamily BLJCCININAE^ Genus BUCCINUM Linnaeus Buccinum undatum Linnaeus Buccinum undatum Linn. DeKay, Nat. Hist. N. Y. 1843. p.i3o NEW YORK STATE MUSEUM Buccinum undatum Linn. Smith & Prime, An. Lye. N. Y. IX. 1870. p.397 Buccinum undatum Linn. Tryon, Man. Conch. 1881. 3:173 Family NASSIDAE Genus NASSA Lamarck Nassa trivittata Say Buccinum trivittatum Say. DeKay, Nat. Hist. N. Y. 1843. P-I32 Buccinum tri vi tt a t u m Siy. Jay, Cat. 1852. p.363 Nassa trivittata Say. Jay, Cat. 1852. p.365 Nassa trivittata Say. Smith & Prime, An. Lye. N. Y. IX. 1870. p.397 Nassa trivittata Say. Tryon, Man. Conch. 1882. 4:42 Nassa vibex Say Buccinum vibex Say. DeKay, Nat. Hist. N. Y. 1843. p.i33 Nassa vibex Say. Smith & Prime, An. Lye. N. Y. IX. 1870. P-397 Nassa vibex Say. Tryon, Man. Conch. 1882. 4:42 Nassa obsoleta Say Buccinum obsoletum Say. DeKay, Nat. Hist. N. Y. 1843. P-'33 Buccinum obsoletum Say. Jay, Cat. 1852. p-36i Buccinum no v e b or acen sis Gray. Jay, Cat. 1852. p.36r Buccinum olivae forme Kien. Jay, Cat. 1852. p-36i Nassa obsoleta Say, Jay, Cat. 1852. p-364 Nassa obsoleta Say. Smith & Prime, An. Lye. N. Y. IX. 1870. P-397 Nassa obsoleta Say. Tryon, Man. Conch. 1882. 4:60 Family COLUMBELLUDAE Genus COLUMBELLA Lamarck Columbella avara Say Colombella avara Say. DeKay, Nat. Hist. N. Y. 1843. p. 139 Columbella avara Say. Jay, Cat. 1852. p.347 Columbella avara Say. Smith & Prime, An. Lye. N. Y. IX. 1870. p.398 Columbella avara Say. Tryon, Man. Conch. 1883. 5:159 Columbella lunata Say Buccinum lunatum Say. DeKay, Nat. Hist. N. Y. 1843. P-I31 MOLLUSCA OF NEW YORK 7 Buccinum wheatleyi DeK. DeKay, Nat. Hist. N. Y. 1843. p.i32 Buccinum lunatum Say. Jay, Cat. 1852. p. 361 Columbella lunata Say. Smith & Prime, An. Lye. N. Y. IX. 1870. p.398 Columbella go uld ia n a Agassiz. Smith & Prime, An. Lye. N. Y. IX. 1870. p-398 Columbella lunata Say. Tryon, Man. Conch. 1883. 5:130 Genus BELA Gray Bela decussata Couthouy Pleurotoma decussata Couth. DeKay, Nat. Hist. N. Y. l843- P^S0 Bela decussata Couth. Tryon, Man. Conch. 1884. 6:217 Bela harpularia Couthouy Fusus harpularius Couth. DeKay, Nat. Hist. N. Y. 1843. p. 146 Bela harpularia Couth. Tryon, Man. Conch. 1884. 6:219 Bela bicarinata Couthouy Pleurotoma bicarinata Couth. DeKay, Nat. Hist. N. Y. 1843. p.i49 Pleurotoma bicarinatum Couth. Verrill, U. S. Fish Com. Rep't 1871-72. p.638 (Stonington Ct.). Bela bicarinata Couth. Tryon, Man. Conch. 1884. 6:214 Bela concinnula Verrill Bela concinnula Ver. Tryon, Man. Conch. 1884. 6:220 Bela pleurotomaria Couthouy Fusus rufus Mont. DeKay, Nat. Hist. N. Y. 1843. P-H6 Mangelia pyramidalis St. Smith & Prime, An. Lye. N. Y. IX. 1870. p. 398 Bela pleurotomaria Couth. Gould, Invert. Mass. ed. 2. 1870. P-355 Genus CLATHURELLA Recluz Clathurella plicata Adams Pleurotoma plicata Ads. DeKay, Nat. Hist. N.Y. 1843^.150 Pleurotoma plicatum Ads. Smith & Prime, An. Lye. N. Y. 1870. 9:398 Clathurella plicata Ads. Tryon, Man. Conch. 1884. 6:277 8 NEW YORK STATE MUSEUM Subgenus DAPHNELLA Hinds Daphnella morchi Malon Daphnella morchi Malon. Tryon, Man. Conch. 1884. 6:315 Daphnella agassizi Verrill & Smith D.aphnella agassizii Ver. & Sm. Tryon, Man. Conch. 1884. 6:316 Daphnella cerina Kurtz & Stimpson P 1 e u r'o t o m a c e r i h u m K. & St. Smith & Prime, An. Lye. N. Y. 1870. 9:398 D aphnel la cerina K. & St. Tryon, Man. Conch. 1884. 6:310- Family .NATICIDAE Genus NATICA Lamarck Natica pusilla Say Natica pusilla Say. DeKay, Nat. Hist. N. Y. 1843. p. 123 Natica pusilla Say. Jay, Cat. 1852. p.293 Natica pusilla Say. Smith & Prime, An. Lye. N. Y. 1870. 9:396 Natica pusilla Say. Tryon, Man. Conch. 1886. 8:31 Natica duplicata Say N atica duplicata Say. DeKay, Nat. Hist. N. Y. 1843, p.i2i Natica duplicata Say. Jay, Cat. 1852. p. 292 Natica duplicate Say. Smith & Prime, An. Lye. N. Y* 1870. 9:396 N a tica .d upl i.ca t a Say. Tryon, Man. Conch. 1886. 8:33 Natica heros Say Natica heros Say. DeKay, Nat. Hist. N. Y. 1843. p. 120 Natica triseriata Say. DeKay, Nat. Hist. N. Y. 1843. P-i2i Natica heros Say. Jay, Cat. 1852. p. 292 Natica triseriata Say. Jay, Cat. 1852. p.293 Natica triseriata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:395 Natica heros Say. Smith & Prime, An. Lye. N. Y. 1870. 9:395 Natica triseriata Say. Tryon, Man. Conch. 1886. 8:36 Natica heros Say. Tryon, Man. Conch. 1886. 8:35 Natica immaculata Totten Natica immaculata Tott. DeKay, Nat. Hist. N. Y. 1843. P- J 22 Natica immaculata Tott. Smith & Prime, An. Lye. N. Y* 1870. 9:396 Natica immaculata Tott. Tryon, Man. Conch. 1886. 8:38- MOLLUSCA OF NEW YORK 9 Natica clausa Sowerby Naticaclausa Sby. DeKay, Nat. Hist. N Y. 1843. P-122 Natica clausa Sby. Jay, Cat. 1852. p. 291 Naticaclausa Sby. T)ron, Man. Conch. 1886. 8:30 Natica flava Gould Natica flava Old. DeKay, Nat. Hist. N. Y. 1843. p.i23 Natica flava Gld. Tryon, Man. Conch. 1886. 8:52 Genus SIGARETUS Lamarck Sigaretus perspectivus Say Sigaretus perspectivus Say. DeKay, Nat. Hist. N. Y. 1843. P- 1 53 Sigaretus perspectivus Say. Smith & Prime, An. Lye. N. Y. 1870. 9:396 Sigaretus perspectivus Say. Tryon, Man. Conch. 1886. 8:57 Genus VELUTINA Fleming Velutina laevigata Pennant Velutina laevigata Penn. DeKay, Nat. Hist. N. Y. 1843. p. 154 Velutina laevigata Penn. Tryon, Man. Conch. 1886. 8:65 Velutina zonata Gould Velutina zonata Gld. DeKay, Nat. Hist. N. Y. 1843. p.i$4 Velutina zonata Gld. Tryon, Man. Conch. 1886. 8:66 Family LAMELLARIIDAE Genus LAMELLARIA Montagu Lamellaria pellucida Verrill L am ell ari a p ell u ci d a Ver. Tryon, Man. Conch. 1886. 8:61 Lamellaria glabra Couthouy Lamellaria glabra Couth. Tryon, Man. Conch. 1886. 8:64 Family CALYF>TRAE:IDAE Genus CRUCIBULUM Schumacher Crucibulum striaturn Say Calyptrea striata Say. DeKay, Nat. Hist. N. Y. 1843. p. 15 5 Calyptrea striata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:392 Crucibulum striatum Say. Tryon, Man. Conch. 1886. 8:118 Genus CREPIDULA Lamarck Crepidula fornicata Lamarck Crepidula fornicata Lam. DeKay, Nat. Hist. N. Y. 1843. P.«S7 IO NEW YORK STATE MUSEUM Crepidula fornicata Lam. Jay, Cat. 1852. p.io; Crepidula fornicata Lam. Smith & Prime, An. Lye. N. Y. 1870. 9.392 Crepidula fornicata Lam. Tryon, Man. Conch. 1886. 8:124 Crepidula convexa Say Crepidula convexa Say. DeKay, Nat. Hist. N. Y. 1843. p. 158 Crepidula convexa Say. Jay, Cat. 1852. p.ioy Crepidula convexa Say. Smith & Prime, An. Lye. N. Y. 1870. 9:392 Crepidula convexa Say. Tryon, Man. Conch. 1886. 8:125 Crepidula plana Say Crepidula plana Say. DeKay, Nat. Hist. N. Y. 1843. P^S8 Crepidula plana Say. Jay, Cat. 1852.^.107 Crepidula unguiformis Lam. Smith & Prime, An. Lye. N. Y. 1870. 9:392 Crepidula unguiformis Lam. Tryon, Man. Conch. 1886. 8:130 Crepidula glauca Say Crepidula glauca Say. DeKay, Nat. Hist. N. Y. 1843. P-X59 Crepidula glauca Say. Tryon, Man. Conch. 1886. 8:125 Family SOLARIIDAE Genus TORINIA Gray Torinia borealis Verrill & Smith Torinia borealis Ver. & Sm. Tryon, Man. Conch. 1887. 9:22 Genus SCALA Humphrey Scala angulata Say Scalaria angulata Say. Tryon, Man. Conch. 1887. 9:70 Scala multistriata Say Scalaria multistriata Say, DeKay, Nat. Hist. N. Y. 1843. p. 126 Scalaria multistriata Say. Tryon, Man. Conch. 1887. 9:72 Scala humphreysii Kien Scalaria humphreysii Kien. Smith & Prime, An. Lye. N. Y. 1870- 9:395 Scala lineata Say Scalaria lineata Say. DeKay, Nat. Hist. N. Y. 1843. p.i26 Scalaria lineata Say. Jay, Cat. 1852. p.3oo MOLLUSCA OF NEW YORK II Scalaria lineata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:394 Scalaria lineata Say. Tryon, Man. Conch. 1887. 9:79 Family IANTHINIDAE> Genus IANTHINA Lamarck lanthina fragilis Bruguiere Janthina fragilis Brug. DeKay, Nat. Hist. N. Y. 1843. P-I25 lanthina fragilis Brug Tryon, Man. Conch. 1887. 9:36 Family TURRITELLIDAE Genus TURRITELLA Lamarck Turritella erosa Couthouy Turritella erosa Couth. DeKay, Nat. Hist. N. Y. 1843. p.ii3 Turritella erosa Couth. Tryon, Man. Conch. 1886. 8:208 Family VERME/TIDAE Genus VERMETUS Adanson Vermetus spiratus radicula Stimpson Vermetus radicula St. Smith & Prime, An. Lye. N. Y. 1870. 9:394 Vermetus spiratus v. radicula St. Tryon, Man. Conch. 1886. 8:187 Family CAECIDAE: Genus CAECUM Fleming Caecum cooperi Smith Caecum cooperii Sm. Smith & Prime, An. Lye. N. Y. 1870. 9:393 Caecum cooperi Sm. Verrill, Ct. Acad. Arts & Sci. 1882. 5:525 Caecum cooperii Sm. Tryon, Man. Conch. 1886. 8:221 Caecum pulchellum Stimpson Caecum pulchellum St. Smith & Prime, An. Lye. N. Y. 1870. 9:393 Caecum pulchellum St. Tryon, Man. Conch. 1886. 8:217 Family EULINIIDAE Genus EULIMA Risso Eulima intermedia Cantraine Eulima intermedia Cant. Tryon, Man. Conch. 1886. 8:274 Eulima oleacea Kurtz & Stimpson Eulima oleacea K. & St. Smith & Prime, An. Lye. N. Y. 1870. 9:395 Eulima oleacea K. & St. Tryon, Man. Conch. 1886. 8:273 12 NEW YORK STATE MUSEUM Genus STYLIFER Broderip Sty lifer stimpsoni Verrill Stylifer stimpsonii Ver. Tryon, Man. Conch. 1886. 8:298 Family TURBONILLIDAIS Genus TURBONILLA Risso Turbonilla interrupta Totten Turrit ell a i nterrup ta Tott, DeKay, Nat. Hist. N. Y. 1843. p. 112 Chemnitzia interrupta Tott. Smith & Prime, An. Lye. N. Y. 1870. 9:395 Turbonilla i nterrup t a Tott. Tryon, Man. Conch. 1886. 8:329 Turbonilla elegans Verrill Turbonilla elegans Ver. Verrill, U. S. Fish Com. Rep't 1871-72. p.657. (Long Island sound near New Haven) Turbonilla elegans Ver. Verrill, Ct. Acad. Arts & Sci. 1882, 5:538 Turbonilla elegans Ver. Tryon, Man. Conch. 1886. 8:32$ Turbonilla stricta Verrill Turbonilla stricta Ver. Verrill, U. S. Fish Com. Rep't 1871-72, p.659« (Long Island sound near New Haven) Turbonilla stricta Ver. Verrill, Ct. Acad. Arts & Sci. 1882, 5;537 Turbonilla stricta Ver. Tryon, Man. Conch. 1886. 8:329 Turbonilla costulata Verrill Turbonilla costulata Ver. Verrill, U. S. Fish Com. Rep't 1871-72. p.658. (Long Island sound near New Haven) Turbonilla cost u 1 at a Ver. Verrill, Ct. Acad. Arts & Sci. 1882. 5:537 Turbonilla costulata Ver. Tryon, Man. Conch. 1886. 8:329 Turbonilla areolata Verrill Turbonilla areolata Ver. Verrill, U. S. Fish Com. Rep't 1871-72, p.658. (Long Island sound at New Haven) Turbonilla areolata Ver. Verrill, Ct. Acad. Arts & Sci, 1882, 5:537 Turbonilla areolata Ver. Tryon, Man. Conch. 1886. 8:328 Turbonilla grandis Verrill Turbonilla grandis Ver. Tryon, Man. Conch. 1886. 8:329 MOLLUSCA OF NEW YORK 13 Genus ACLIS Loven Aclis striata Verrill Aclis striata Ver. Tryon, Man. Conch. 1887. 9:87 Genus ODOSTOMIA Fleming Odostomia trifida Totten Odostomia trifida Tott. DeKay, Nat. Hist. N.Y. 1843. P-IX4 Chemnitzia trifida Tott. Smith & Prime, An. Lye. N. Y. 1870. 9:395 Odostomia trifida Tott. Tryon, Man. Conch. 1886. 8:356 Odostomia bisuturalis Say Chemnitzia bisuturalis Say. Smith & Prime, An. Lye. N. Y. 1870. 9:395 Odostomia bisuturalis Say. Tryon, Man. Conch. 1886. 8:357 Odostomia impressa Say Odostomia insculpta UeKay. DeKay, Nat. Hist. N. Y. 1843. P-"5 Odostomia insculpta DeKay. Jay, Cat. 1852. p. 475 Chemnitzia impressa Kurtz. Smith & Prime, An. Lye. N. Y» 1870. 9:395 Odostomia impressa Say. Tryon, Man. Conch. 1886. 8:356 Odostomia seminuda Adams O dostomia seminuda Ads. DeKay, Nat. Hist. N. Y. 1843^.115 Chemnitzia seminuda Ads. Smith & Prime, An. Lye. N.Y, 1870. 9:395 Odostomia seminuda Ads. Tryon, Man. Conch. 1886. 8:357 Odostomia fusca Adams Odostomia fusca Ads. DeKay, Nat. Hist. N. Y. 1843. p.n6 Chemnitzia fusca Ads Smith & Prime, An. Lye. N. Y. 1870, 9:395 Odostomia fusca Ads. Tryon, Man. Conch. 1886. 8:356 Family LITTORINIDAE Genus LITTORINA Ferussac Littorina irrorata Say Littorina irrorata Say. DeKay, Nat. Hist. N. Y. 1843. p.io6 Littorina irrorata Say. Jay, Cat. 1852. p. 310 Littorina irrorata Gray. Smith & Prime, An. Lye, N. Y. 1870, 9:393 Littorina irrorata Say. Tryon, Man. Conch. 1887. 9:246 14 NEW YORK STATE MUSEUM Littorina rudis Donovan Littorina rudis Donov. DeKay, Nat. Hist. N. Y. 1843. P- IO4 Littorina rudis Donov. Smith & Prime, An. Lye. N. Y. 1870. 9:392 Littorina rudis Donov. Tryon, Man. Conch. 1887. 9:241 Littorina rudis obligata Say Littorina ru d is v. o bl iga ta Say. Tryon, Man. Conch. 1887. 9:241 Littorina rudis tenebrosa Montagu Littorina tenebrosa Mont. DeKay, Nat. Hist. N. Y. 1843. P-IO5 Littorina tenebrosa Mont. Jay, Cat. 1852. p.3ii Littorina rudis v. tenebrosa Mont. Tryon, Man. Conch. 1887. 9:242 Littorina littorea Linnaeus Littorina littorea Linn. Tryon, Man. Conch. 1887. 9:240 Littorina palliata Say Littorina palliata Say. DeKay, Nat. Hist. N. Y. 1843. p.io6 Littorina palliata Say. Jay, Cat. 1852. p. 131 Lit torin a lit toral i s Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:393 Littorina littoral is Linn. Tryon, Man. Conch. 1887. 9:242 Genus LACUNA Turton Lacuna divaricata Fabricius Lacuna vincta Mont. DeKay, Nat. Hist. N. Y. 1843. p.m Lacuna pertusa Conr. Jay, Cat. 1852. p. 312 Lacuna vincta Turt. Smith & Prime, An. Lye. N. Y. 1870. 9:393 Lacuna divaricata Fab. Tryon, Man. Conch. 1887. 9:266 Family CERITHIIDAE^ Genus BITTIUM Leach Bittium nigrum Totten Cerithium sayi Gld. DeKay, Nat. Hist. N. Y. 1843. p. 128 Cerithiumsayi Mke. Smith & Prime, An. Lye. N. Y. 1870. 9:394 Bittium nigrum Tott. Tryon, Man. Conch. 1887. 9:152 Genus CERITHIOPSIS Forbes & Hanley Cerithiopsis greeni C. B. Adams Cerithium greenii Ads. Smith & Prime, An. Lye. N. Y. 1870. 9:394 Cerithiopsis greenii Ads. Tryon, Man. Conch. 1887. 9:170 OF THE UNIVERSITY OF OF NEW YORK 1 5 Cerithiopsis emersoni Stimpson Cerithiopsis emersonii St. Smiih & Prime, An. Lye. N. Y. 1870. 9:397 Cerithiopsis punctatum Linn. Tryon, Man. Conch. 1887. 9:170 Cerithiopsis terebrale C. B. Adams Cerithiopsis terebellum St. Smith & Prime, An. Lye. N. Y. 1870. 9:397 Cerithiopsis terebrale Ads. Tryon, Man. Conch. 1887. 9:174 Genus TRIFORIS Deshayes Triforis nigrocinctus C. B. Adams Cerithium nigrocinctum Ads. Smith & Prime, An. Lye. N. Y. 1870. 9:394 Triforis nigrocinctus Ads. Tryon, Man. Conch. 1887. 9:188 Family Genus PLEUROCERA Rafinesque Pleurocera subulare Lea Melania subularis Lea. Lea, Obs. Genus Unio. 1834. 1:110, (Niagara river) Melania subularis Lea. DeKay, Nat. Hist. N. Y. 1843. p 92. (Lake Erie) Melania subularis Lea. Jay, Cat. 1852. p.275. (Niagara river) Pleurocera subulare Lea. Tryon, Am. Jour. Conch. 1865. 1:307. (Erie canal, St Lawrence, Niagara river) Melania subularis Lea. Aldiich, Troy List. 1867. p. 4. (Mohawk river) Trypanostoma subulare Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i39 Pleurocera subulare Lea. Tryon, Smith. Misc. Coll. 253. 1880 1 6:88. (Niagara river) Pleurocera subulare Lea. Beauchamp, Onondaga List. 1886. p. 6 Pleurocera subulare Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:4. (Lake Erie) Pleurocera subulare Lea. Letson, N. Y. State Mus. Bui. 45. 1901. p. 239. (Goat island. Post-Pliocene) Pleurocera subulare intensum Anthony Pleurocera intensum Anth. Beauchamp, Onondaga List. 1886. p.6 1 6 NEW YORK STATE MUSEUM Pleurocera pallidum Lea Trypanostoma pall i dura Lea. Lea, Obs. Genus Unio. 1862. 9:97. (Niagara falls) Pleurocera pallidum Lea. Tryon, Am. Jour. Conch. 1865. 1:311. (Niagara falls) Trypanostoma pallidum Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 1 39. (Niagara river) Pleurocera pallidum Lea. Tryon, Smith. Misc. Coll. 253. 1880. 16:112. (Niagara river) Pleurocera pallidum Lea. Beauchamp, Onondaga List. 1886. p.6 Pleurocera elevatum Say Melania elevata Say. Aldrich, Troy List. 1867. p.4 Pleurocera elevatum Say. Tryon, Smith. Inst. Coll. 253. 1880. 16:95 Genus GONIOBASIS Lea Goniobasis depygis Say Melania depygis Say. DeKay, Nat. Hist. N. Y. 1843. p. 89. (Lake Champlain, Hudson river) Melania depygis Say. Stimpson, List. 1851. p.32. (Lake Champlain) Goniobasis depygis Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 139. (Lake Champlain) Goniobasis depygis Say. Beauchamp, Onondaga List. 1886. p.6 Goniobasis depygis Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:4. (Irondequoit bay) Goniobasis livescens Menke Melania livescens Mke. Jay, Cat. 1852. p. 274. (Lake Erie) Goniobasis livescens Mke. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 139. (Niagara river) Goniobasis livescens Mke. Tryon, Smith. Misc. Coll. 253. 1880. 16:248. (Lake Erie) Goniobasis livescens Mke. Beauchamp, Onondaga List. 1886. p.6 Goniobasis livescens Mke. Walton, Rochester Acad. Sci. Proc. 1892. 2:4. (Erie canal) Goniobasis livescens Mke. Letson, N. Y. State Mus. Bui. 45. 1901. p. 239. (Goat island. Post-Pliocene) MOLLUSCA OF NEW YORK I/ Goniobasis niagarensis Lea Melania niagarensis Lea. Lea, Obs. Genus Unio. 1842. 3:11. (Niagara falls) Melania niagarensis Lea. DeKay, Nat. Hist. N. Y. 1843. p. 90 Melania niagarensis Lea. Jay, Cat. 1852. p.274. (Niagara falls) Goniobasis niagarensis Lea. Tryon, Smith. Misc. Coll. 253. 1880. 16:248 Goniobasis niagarensis Lea. Letson, N. Y. State Mus. Bui. 45. iQor. p.24o. (Goat island. Post-Pliocene) Goniobasis haldemani Tryon Goniobasis haldemani Try. Tryon, Am. Jour. Conch. 1865. 1:38. (Lakes Erie and Champlain) Goniobasis haldemani Try. Tryon, Am. Jour. Conch. 1866. 2:38. (Lakes Erie and Champlain) Go niobasis haldemani Try. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 139. (St Lawrence river) Goniobasis haldemani Try. Tryon, Smith. Misc. Coll. 253 1880. 16:282. (Lakes Erie and Champlain) Goniobasis haldemani Try. Beauchamp, Onondaga List. 1886. p.6. (Erie canal) Goniobasis haldemani Try. Letson,1 N. Y. State Mus. Bui. 45. 1901. p.24o. (Goat island. Post- Pliocene) Goniobasis virginica Gmelin Melania virginica Gmel. DeKay, Nat. Hist. N. Y. 1843. p.go. (Raritan river) Melania bizonalis DeK. DeKay, Nat. Hist. N. Y. 1843. p.gi. (Lake Champlain) Melania gemma DeK. DeKay, Nat. Hist. N. Y. 1843. p.gi. (Onondaga county) Melania virginica Gmel. Say, Conch. U. S. ed. by Binney. 1858. p. 13 1. (Niagara falls) Melania virginica Gmel. Aldrich, Troy List. 1867. p.4. (Mohawk river) Go ni obasis vi rgini c a Gmel. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p 139 Goniobasis gemma DeK. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 139. (Onondaga county) Goniobasis virginica Gmel. Tryon, Smith. Misc. Coll. 253. 1880. 16:290 1 8 NEW YORK STATE MUSEUM Melania bizonalis DeK. Tryon, Smith. Misc. Coll. 253. 1880. 16:293. (Lake Champlain) Melania gemma DeK. Tryon, Smith. Misc. Coll. 253. 1880. 16:293. (Onondaga county) Goniobasis virginica Gmel. Beauchamp, Onondaga List. 1886. p.6 Goniobasis gemma DeK. Beauchamp, Onondaga List. 1886. p.6 Goniobasis virginica Gmel. Walton, Rochester Acad. Sci. Proc. 1892. 2:4. (Erie canal) Goniobasis multilineata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:4. (Erie canal) Genus ANCYLOSA Say Ancylosa carinata Bruguiere Anculotus.carinatus DeK. DeKay, Nat. Hist. N. Y. 1843. p.ioi. (Lake Champlain) Anculotus trivittatus DeK. DeKay, Nat. Hist. N.Y. 1843. p.io2. (Lake Champlain) Anculotus carinatus DeK. Jay, Cat. 1852. p.2;6. (Lake Champlain) Anculosa dissimilis Say. Say, Am. Jour. Conch. 1866. 2:126 Anculosa carinata Brug. Lewis. Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 139. (Cortland county) Anculosa carinata Brug. Tryon, Smith. Misc. Coll. 253. 1880. 16:390. (Lake Champlain) Family Subfamily Genus BYTHINIA Gray Bythinia tentaculata Linnaeus Bythinia tentaculata Linn. Beauchamp, Onondaga List. 1886. p. 5. (Syracuse) Bythinia tentaculata Linn. Walton, Rochester Acad. Sci. Proc. 2. 1892. p. 4. (Erie canal) Subfamily Genus SCENEA Fleming Scenea planorbis Fabricius Skenea serpuloides Ads. DeKay, Nat. Hist. N.Y. 1843. p. Skenea planorbis Fabr. Tryon, Man. Concn. 1887. 9:398 MOLLUSCA OF NEW YORK Subfamily Genus RISSOA Fremenville Rissoa minuta Totten Cingula minuta Tott. DeKay, Nat. Hist. N. Y. 1843. P-u° Rissoa minuta Tott. Tryon, Man. Conch. 1887. 9:346 Rissoa aculeus Gould Cingula aculeus Gld. DeKay, Nat. Hist. N. Y. 1843. p. no Rissoa aculeus St. Smith & Prime, An. Lye. N. Y. 1870. 9:393 Rissoa aculeus Gld. Tryon, Man. Conch. 1887. 9:347 Rissoa stimpsoni Smith Rissoa stimpsoni Smith. Smith & Prime, An. Lye. N. Y. 1870. 9:393 Rissoa stimpsoni Smith. Tryon, Man. Conch. 1887. 9:345 Rissoa laevis DeKay Cingula laevis DeK. DeKay, Nat. Hist. N. Y. 1843. p.in Rissoa laevis DeK. Smith & Prime, An. Lye. N. Y. 1870. 9:393 Hydrobia laevis DeK. Verrill, Ct. Acad. Arts & Sci. 1882. 5:523 Rissoa laevis DeK. Tryon, Man. Conch. 1887. 9:346 Rissoa latior Mighels & Adams Rissoa latior Mtgh. & Ads. Tryon, Man. Conch. 1887. 9:357 Rissoa areolata Stimpson Rissoa areolata St. Tryon, Man. Conch. 1887. 9:361 Subfamily HYDROBIINAE Genus BYTHINELLA Moquin-Tandon Bythinella attenuata Haldeman Bythinella attenuata Hald. Binney, Smith. Misc. Coll. 144. 1865. p. 68. (New York) Bythinella obtusa Lea Bythinella obtusa Lea. Binney, Smith. Misc. Coll. 144. 1865. 7:70 Bythinella obtusa Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874, p. 138 Bythinella obtusa Lea. Beauchamp, Onondaga List. 1886. p. 5 Bythinella obtusa Lea. Letson, N. Y. State Mus. Bui. 45. 1901. p. 242. (Goat island. Post-Pliocene) 2O NEW YORK STATE MUSEUM Genus AMNICOLA Gould & Haldernan Amnicola sayana Anthony Amnicola sayana Anth. Binney, Smith. Misc. Coll. 144. 1865. 7:81 Amnicola sayana Anth. Beauchamp, Onondaga List. 1886. p. 5. (Erie canal) Amnicola pallida Haldeman Amnicola pallida Hald. Binney, Smith. Misc. Coll. 144. 1865. 7:83. (Lake Champlain) Amnicola pallida Hald. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i38. (Lake Champlain) Amnicola pallida Hald. Beauchamp, Onondaga List. 1886. p.5 Amnicola pallida Hald. Walton, Rochester Acad. Sci. Proc. 1892. 2:4 Amnicola limosa Say Amnicola porata Say. DeKay, Nat. Hist. N. Y. 1843. P-88- (Cayuga lake) Paludina porata Say. Say, Conch. U. S. ed. by Binney. 1858. p. 69. (Cayuga lake) Amnicola limosa Say. Binney, Smith. Misc. Coll. 144. 1865. 7:84 Amnicola limosa Say. Aldrich, Troy List. 1867. p.4. (Hud- son river) Amnicola porata Gld. Smith & Prime, An. Lye. N. Y. 1870. 9:392. (Long Island) Amnicola porata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 1 38. (Cayuga lake) Amnicola limosa Say. Lewis, Buf. Soc, Nat. Sci. Bui. 2. 1874. p. 1 38. (Cayuga lake) Amnicola porata Say. Beauchamp, Onondaga List. 1886. p.5 Amnicola limosa Say. Beauchamp, Onondaga List. 1886. p. 5 Amnicola porata Say. Walton, Rochester Acad. Sci. Proc. 2. 1892. p.4. (Erie canal) Amnicola limosa Say. Walton, Rochester Acad. Sci. Proc. 2. 1892. p.4. (Genesee river) Amnicola limosa Say. Letson, N. Y. State Mus. Bui. 45 1901. p. 241. (Goat island. Post-Pliocene) Amnicola cincinnatiensis Anthony Amnicola cincinnatiensis Anth. Binre}, Srrith. Misc. Coll. 144. 1865. 7:85 MOLLUSCA OF NEW YORK 21 Amnicola cincinnatiensis Anth. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i 38 Amnicola cincinnatiensis Anth. Beauchamp, Onondaga List. 1886. p. 5. (Erie canal) Amnicola orbiculata Lea Amnicola orbiculata Lea. Binney, Smith. Misc. Coll. 144. 1865. 7:87. (Cayuga lake) Amnicola orbiculata Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 138. (Cayuga lake) Amnicola orbiculata Lea. Beauchamp, Onondaga List. 1 886. P-5 Amnicola orbiculata Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:4 Amnicola lustrica Say Amnicola lustrica Say. DeKay, Nat. Hist. N. Y. 1843. P-^7- (Lakes Champlain and Cayuga) Paludina lustrica Say. Say, Conch. U. S. ed. by Binney. 1858. p. 69. (Cayuga lake) Pomatiopsis lustrica Say. Binney, Smith. Misc. Coll. 144. 1865. 7:94. (Cayuga lake and Mohawk river) Amnicola lustrica Say. Aldrich, Troy List. 1867. p. 5. (Hud- son river) Amnicola lustrica Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 138. (Cayuga lake) Amnicola lustrica Say. Beauchamp, Onondaga List. 1886. p.$ Pomatiopsis lustrica Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:4 Amnicola letsoni Walker Amnicola letsoni Walk. Walker, Naut. 1901. 14:113. (Goat island. Post-Pliocene) Amnicola letsoni Walk. Letson, N. Y. State Mus. Bui. 45. 1901. p. 24 1. (Goat island. Post-Pliocene) Genus LYOGYRUS Gill Lyogyrus granum Say Amnicola granua Say. Beauchamp, Onondaga List. 1886. p. 5. (Seneca river) Amnicola granum Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:4 NEW YORK STATE MUSEUM Subfamily Genus GILLIA Stimpson Gillia altilis Lea Gillia altilis Lea. Binney, Smith. Misc. Coll. 144. 1865. 7:74 Gillia altilis Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i38 Gillia altilis Lea. Beauchamp, Onondaga List. 1886. p«5 Gillia altilis Lea. Walton, Rochester Acad. Sci. Proc. 1892 2:4. (Erie canai) Genus SOMATOGYRUS Gill Somatogyrus isogonus Say Paludina isogona Say. DeKay, Nat. Hist. N. Y. 1843. P-&S- (Western New York) Somatogyrus subglobosus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i38 Somatogyrus isogonus Say. Beauchamp. Onondaga List. 1886. p.5 Somatogyrus integer Say Somatogyrusinteger Say. Aldrich, Troy List. 1867. p.4. (Mohawk river) Subfamily POMA/FIOF'SINAE: Genus POMATIOPSIS Tryon Pomatiopsis lapidaria Say Pomatiopsis lapidaria Say. Binney, Smith. Misc. Coll. 144. 1865. 7:93 Pomatiopsis lapidaria Say. Letson, N. Y. State Mus. Bui. 45. 1901. p.242. (Foster's flats. Post-Pliocene) Family VALVAXIDAE Genus VALVATA Miiller Valvata tricarinata Say Valvata tricarinata Say. DeKay, Nat. Hist. N. Y. 1843. p.u8 Valvata unicarinata DeK. DeKay, Nat. Hist. N. Y. 1843. p.n8. (Lake Champlain) Valvata unicarinata DeK. Jay, Cat. 1852. p. 278 Valvata carinata Say. Jay, Cat. 1852. p.277 Valvata tricarinata Say. Jay, Cat. 1852. p.278 Valvata tricarinata Say. Binney, Smith. Misc. Coll. 144. 1865. p. 9. (Herkimer county) Valvata tricarinata Say. Aldrich, Troy List. 1867. p.3 Valvata tricarinata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-I37- (Little Lakes) MOLLUSCA OF NEW YORK 23 Valvata tricarinata Say. Beauchamp, Onondaga List. 1886. p.5« (Onondaga lake) Valvata tricarinata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:4. (Charlotte) Valvata tricarinata Say. Letson, N. Y. State Mus. Bui. 45. 1901. p. 243. (Goat island. Post-Pliocene) Valvata sincera Say V al vat a sincera Say. DeKay, Nat. Hist. N. Y. 1843. p. 119. (Lakes Oneida, Champlain and Chautauqua) Valvata sincera Say. Jay, Cat. 1852. p. 278 V alv a ta sincera Say. Binney, Smith. Misc. Coll. 144. 1865. 7:12 Valvata sincera Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 137 Valvata sincera Say. Beauchamp, Onondaga List. 1886. p.5. (Seneca river) Valvata sincera Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:4. (Erie canal) Valvata sincera Say. Letson, N. Y. State Mus. Bui. 45. 1901. p.243. (Goat island. Post- Pliocene) Family PJVLUDINIDAE: Genus VIVIPARA Montfort Vivipara contectoides Binney Vivipara contectoides Binn. Binney, Smith. Misc. Coll. 144. 1865. 7:23 Vivipara contectoides Binn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i37 Genus CAMPELOMA Rafinesque Campeloma ponderosum Say Melantho ponderosa Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:4. (Erie canal) Campeloma decisum Say Paludina disscisa Say. DeKay, Nat. Hist. N. Y. 1843. p.84 Paludina integra Say. DeKay, Nat. Hist. N. Y. 1843. p.84. (Hudson river) Paludina decisa Say. Jay, Cat. 1852. p. 279 Melantho decisa Say. Binney, Smith. Misc. Coll. 144. 1865. 7:41. (Erie canal,' Mohawk, Greenwich, Buffalo, Lakes Schuyler, Owasco and Cayuga) Paludina decisa Say. Aldrich, Troy List. 1867. p.3. (Mohawk basin) 24 NEW YORK STATE MUSEUM Paludina Integra Say. Aldrich, Troy List. 1867. p. 3 Paludina rufa Hald. Aldrich, Troy List. 1867. p. 3. (Mohawk basin) Paludina decisa Say. Smith & Prime, An. Lye. N. V. 1870, 9:392. (Jamaica L. I.) Melantho decisus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874* P-T37 Melantho integer Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-!37 Melantho rufus Hald. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 137. (Buffalo) Melantho decisus Say. Beauchamp, Onondaga List. 1886. p. 5 Melantho rufus Hald. Beauchamp, Onondaga List. 1886. p. 5, (Baldwinsville) Melantho decisa Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:5. (Erie canal) Melantho rufa Hald. Walton, Rochester Acad. Sci. Proc. 1892. 2:5. (Erie canal) Melantho decisa var. obesa Lewis. Walton, Rochester Acad. Sci. Proc. 1892. 2:5. (Erie canal) Melantho decisa var. genicula Conr. Walton, Rochester Acad. Sci. Proc. 1892. 2:5. (Erie canal) Melantho decisa var. i n t e g r a Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:5. (Erie canal) Melantho decisa var. heterostropha Kirt. Walton, Rochester Acad. Sci. Proc. 1892. 2:5. (Erie canal) Campeloma decisa Say. Letson, N. Y. State Mus. Bui. 45. 1901. p.243. (Goat island. Post-Pliocene) Genus LIOPLAX Troschel Lioplax subcarinata Say Lioplax subcarinatus Say. Beauchamp, Onondaga List. 1886. p.5. (Erie canal) Order SCUTIBRANCHIATA Suborder PODOPTHALMA Family TROCHIDAE Genus MARGARITA Leach Margarita ornata DeKay Margarita ornata DeK. DeKay, Nat. Hist. N. Y. 1843. p.io; MOLLUSCA OF NEW YORK 25 Margarita multilineata DeKay Margarita multilineata DeK. DeKay, Nat. Hist. N. Y. 1843. p.io9 Subgenus SOLARIELLA Adams Solariella obscura planula Verrill Solariel 1 a ob s c ur a pi an u la Ver. Tryon, Man. Conch. 1889. 9:309 Suborder EDRIOPTHALMA Family KISSTJRELLIDAK Genus PUNCTURELLA Lowe Puncturella noachina Linnaeus Cemoria noachina Linn. DeKay, Nat. Hist. N. Y. 1843^.156 Puncturella noachina Linn. Tryon, Man. Conch. 1890. 12:222 Subfamily ACMAEINAK- Genus ACMAEA Escholtz Acmaea testudinalis Miiller Patelloidatestudinalis Mull. DeKay, Nat. Hist. N. Y. 1843. p. 162 Tectura testudinalis Gray. Smith & Prime, An. Lye. N. Y. 1870. 9:392 Acmaea testudinalis Mull. Tryon, Man. Conch. 1891. 13:10 Acmaea testudinalis alveus Conrad Patelloida alveus Conr. DeKay, Nat. Hist. N.Y. 1843. P»l62 Lottia alveus Conr. Jay, Cat. 1852. p. 103 Tectura alveus Conr. Smith & Prime, An. Lye. N. Y. 1870. 9:392 Acmaea testudinalis var. alveus Conr. Tryon, Man. Conch. 1891. 13:10 Subclass OPISTHOBRANCHIATA Order TECTIBRANCHIATA] Family IPHILINIDAE Genus PHILINE Ascanias Philine quadratas Wood Philine quadrat a Wood. Tryon, Man. Conch. 1895. 16:19 Genus SCAPHANDER Montfort Scaphander punctostriatus Mighels Scaphander punctostriatus Migh. Tryon, Man. Conch. 1893. 15:246 26 NEW YORK STATE MUSEUM Family Subfamily Genus TORNATINA A. Adams Tornatina canaliculata Say Bulla cana'liculata Say. DeKay, Nat. Hist. N. Y. 1843. p.i9 Bulla obstricta Old. DeKay, Nat. Hist. N. Y. 1843. p.is Bulla canaliculata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:399 Tornatina canaliculata Say. Try on, Man. Conch. 1893. 15:184 Genus ACTAEON Momfort Actaeon punctostriata Adams Tornatella punctostriata Ads. DeKay, Nat. Hist. N. Y. 1843. p.i27 Tornatella puncto-striata Ads. Jay, Cat. 1852. p.2g6 Actaeon punctostriata Ads. Smith & Prime, An. Lye. N.Y. 1870. 9:399 Actaeon punctostriata Ads. Tryon, Man. Conch. 1893. 15:157 Family CYLICHNIDAE Genus CYLICHNA Loven Cylichna oryza Totten Bulla oryza Tott. DeKay, Nat. Hist. N. Y. 1843. p.i8 Bulla oryza Tott. Smith & Piime, An. Lye. N. Y. 1870. 9:399 Cylichna oryza Tott. Tryon, Man. Conch. 1893. 15:325 Cylichna alba Brown Bulla triticea Couth. DeKay, Nat. Hist. N. Y. 1843. P-X7 Cylichna alba Brn. Tryon, Man. Conch. 1893. 15:2*90 Genus RETUSA Brown Retusa gouldi Couthouy Bulla gouldii Couth. DeKay, Nat. Hist. N. Y. ' 1843. p. 15 Retusa gouldii Couth. Tryon, Man. Conch. 1893. 15:217 Genus DIAPHANA Brown Diaphana debilis Gould Bulla debilis Gld. DeKay, Nat. Hist. N. Y. 1843. p.i7 Diaphana debilis Gld. Tryon, Man. Conch. 1893. 15:281 Family BULLIDAIS Genus HAMINEA Leach Haminea solitaria Say Bulla in sculpt a Tott. DeKay, Nat. Hist. N. Y. 1843. p. 14 Bulla insculpta Tott. Jay, Cat. 1852. p.ii3 MOLLUSCA OF NEW YORK 2J Bulla insc^ulpta Tott. Jay, Cat. 1852. p. 470 Bulla solitaria Say. Smith & Prime, An. Lye. N. Y. 1870. 9:399 Haminea solitaria Say. Tryon, Man. Conch. 1893. 15:357 Order NUDIBRANCHIATA Family Subfamily Genus AEOLIS Cuvier Aeolis salmonacea Couthouy Cavolina salmonacea Couth. DeKay, Nat. Hist. N. Y. 1843. p.n Aeolis salmonacea Couth. Gould, Invert. Mass. 1870. p. 240 Class PULMONATA Order STYLOMMATOPHORA Suborder MONOTREMATA Family VITRINHDAE^ Genus VITRINA Draparnaud Vitrina limpida Gould Vitrina limpida Gld. Tryon, Am. Jour. Conch. 1866. 2:243 Vitrina limpida Gld. Aldrich, Troy List. 1867. p. 6. (Lans- ingburg) Vitrina limpida Gld. Binney, Smith. Misc. Coll. 194. 1869. 8:26. (Mohawk river) Vitrina limpida Gld. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 130 V i trin a limpi da Gld. Walton, Rochester Acad. Sci. Proc. 1892. 2:5. (Pittsford) Vitrina limpida Gld. Pilsbry, List Naut. 1898. p.25 Family ZONITIDAE} Genus OMPHALINA Rafmesque Omphalina fuliginosa Griffith Helix fuliginosa Griff. DeKay, Nat. Hist. N. Y. 1843. p-37- (Troy) Hyalina fuliginosa Griff. Tryon, Am. Jour. Conch. 1866. 2:248 Helix fuliginosa Griff. Aldrich, Troy List. 1867. p. 5. (Albany) Zonites ful i gi n os a Griff. Binney, Smith. Misc. Coll. 194. 1869. 8:285 Omphalina fuliginosa Griff. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i33 28 NEW YORK STATE MUSEUM Zonites fuliginosus Griff. Beauchamp, Onondaga List. 1886. p. 2 Zonites fuliginosa Griff. Walton , Rochester Acad. Sci. Proc. 1892. 2:5. (Monroe county) Omphalina fuliginosa Griff. Pilsbry, List Naut. 1898. p. 24 Omphalina inornata Say Helix inornata Say. DeKay, Nat. Hist. N. Y. 1843. p. 39. (Orange county) Hyalina inornata Say. Tryon, Am. Joun Conch. 1866. 2:249 Zonites inornata Say. Binney, Smith. Misc. Coll. 1-94.. 1869. 8:289 Omphalina inornata Binn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i33- (New Hartford) Zonites inornatus Say. Beauchamp, Onondaga List. 1886. p. 2 Zonites inornata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:5. (Pittsford) Omphalina inornata Say. Pilsbry, List Naut. 1898. p.25 Genus VITREA Fitzinger Vitrea cellaria Miiller Helix cellaria Mull. DeKay, Nat. Hist. N. Y. 1843. p_37 Hyalina cellaria Mull. Tryon, Am. Jour. Conch. 1866. 2:249 Hyalina cellaria Mull. Binney, Smith. Misc. Coll. 194. 1869. 8:30. (Long Island) Helix; cellaria Mull. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Long Island) , Omphalina cellaria Mull. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i33 Vitrea cellaria Mull. Pilsbry, List Naut. 1898. p.25 Vitrea hammonis Strom. Helix electrina Gld. DeKay, Nat. Hist. N. Y. 1843. P-3°- (Lake George) Hyalina electrina Gld. Tryon, Am. Jour. Conch. 1866. 2:251 Hyalina viridula Mke. Binney, Smith. Misc. Coll. 194. 1869. 8:34. (Mohawk river) Helix viridula Mke. Smith & Prime, An. Lye. N. Y. 1870. 9:403. (Long Island) Omphalina viridula Mke. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i34 Zonites viridulus Mke. Beauchamp, Onondaga List. 1886. p. 3 MOLLUSCA OF NEW YORK 29 Zonites viridula Mke. Walton, Rochester Acad. Sci. Proc. 1892. 2:6 Vitrea hammonis Strom. Pilsbry, List Naut. 1898. p. 25 Vitrea binneyana Morse Helix binneyana Morse. Smith & Prime, An. Lye. N. Y. 1870. 9:403. (Huntington L. I.) Vitrea binneyana Morse. Pilsbry, List Naut. 1898. p. 26 Vitrea ferrea Morse Hyalina ferrea Morse. Binney, Smith. Misc. Coll. 194. 1869. p. 40 Omphalina ferrea Morse. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i34 Vitrea ferrea Morse. Pilsbry, List Naut. 1898. p. 26 Vitrea indentata Say Helix indentata Say. DeKay, Nat. Hist. N. Y. 1843. P-31- (Troy) Hyalina indentata Say. Tryon, Am. Jour. Conch. 1866. 2:246 Hyalina indentata Say. Binney, Smith. Misc. Coll. 194. 1869. 8:35 Helix indentata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:403. (Long Island) Omphalina indentata Say. Lewis, Buf. Soc. Nat. Sci. Bui . 2. 1874. p.i34 Zonites indentatus Say. Beauchamp, Onondaga List. 1886. p. 3 Zonites indentata Say. Walton, Rochester Acad. Sci. Prcc. 1892. 2:6. (Monroe county) Vitrea indentata Say. Pilsbry, List Naut. 1898. p. 26 Genus ZONITOIDES Lehmann Zonitoides nitidus Miiller Hyalina nitida Mull. Tryon, Am. Jour. Conch. 1866. 2:250 Hyalina nitida Mull. Binney, Smith. Misc. Coll. 194. 1869. 8:31. (Washington county) Omphalina nitida Mull. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 1 34. (Cherry Valley) Zonites nitidus Mull. Beauchamp, Onondaga List. 1886. p. 3 Zonites nitida Mull. Walton, Rochester Acad. Sci. Proc. 1892. 2:6. (Monroe county) Zonitoides nitidus Miill. Pilsbry, List Naut. 1898. p. 27 3O NEW YORK STATE MUSEUM Zonitoides arboreus Say Helix arborea Say. DeKay, Nat. Hist. N. Y. 1843. p.3o. (Rockland county) Helix arborea Say. Jay, Cat. 1852. p.i2o Hyalina arborea Say. Tryon, Am. Jour. Conch. 1866. 2:251 Helix arborea Say. Aldrich, Troy List. 1867. p. 5. (Troy) Hyalina arborea Say. Binney, Smith. Misc. Coll. 194. 1869. 8:33. (Mohawk river) Helix arborea Say. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Long Island) Omphalina arborea Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i34 Zonites arboreus Say. Beauchamp, Onondaga List. 1886. p. 3 Zonites arborea Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:6. (Pittsford) Zonitoides arboreus Say. Pilsbry, List Naut. 1898. p.27 Zonitoides limatulus Ward Pseudohyalina limatula Ward. Tryon, Am. Jour. Conch. 1866. 2:264 Hyalina limatula Ward. Binney, Smith. Misc. Coll. 194. 1869. 8:36 Zonites limatulus Ward. Beauchamp, Onondaga List. 1886. p. 3 Zonitoides limatulus Ward. Pilsbry, List Naut. 1898. p.27 Zonitoides minusculus Binney Pseudohyalina minuscula Bmn. Tryon, Am. Jour. Conch. 1866. 2:264 Hyalina minuscula Binn. Binney, Smith. Misc. Coll. 194. 1869. 8:37 Omphalina minuscula Binn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i34 Zonites minusculus Binn. Beauchamp, Onondaga List. 1886. p. 3 Zonites minuscula Binn. Walton, Rochester Acad. Sci. Proc. 1892. 2:6 Zonitoides minusculus Binn. Pilsbry, List Naut. 1898, p.27 Zonitoides exiguus Stimpson Hyalina exiguaSt. Binney, Smith. Misc. Coll. 194. 1869. 8:42 Omphalina exiguus St. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-I34 Zonitoides exiguus St. Pilsbry, List Naut. 1898. p. 28 MOLLUSCA OF NEW YORK 3! Zonitoides milium Morse Zonitoides milium Morse. Pilsbry, List Naut. 1898. p. 28 Genus EUCONULUS Reinhardt Euconulus fulvus Miiller Helix fulva Drap. Smith & Prime, An. Lye. N. Y. 1870. 9:403. (Long Island) Conulus fulvus Mull. Pilsbry, List Naut. 1898. p. 2 7 Euconulus chersinus Say Helix chersina Say. DeKay, Nat. Hist. N. Y. 1843. p. 44 Conulus chersina Say. Tryon, Am. Jour. Conch. 1866. 2:256 Helix chersina Say. Aldrich, Troy List. 1867. p. 5. (Mohawk) Helix chersina Say. Binney, Smith Misc. Coll. 194. 1869. 8:46 Zonites chersina Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:6. (Pittsford) Genus GASTRODONTA Albers Gastrodonta intertexta Binney Helix intertexta Binn. DeKay, Nat. Hist. N. Y. 1843. p. 38. (Ontario county) Mesomphix intertexta Binn. Tryon, Am. Jour. Conch. 1866. 2:254 Hyalina intertexta Binn. Binney, Smith. Misc. Coll. 194. 1869. 8:44. (Sharon Springs) Zonites intertextus Binn. Beauchamp, Onondaga List. 1886. P-3 Zonites intertexta Binn. Walton, Rochester Acad. Sci. Proc. 1892. 2:5. (Monroe county) Gastrodonta intertexta Binn. Pilsbry, List Naut. 1898. p.vS Gastrodonta ligera Say Helix ligera Say. DeKay, Nat. Hist. N. Y. 1843. p. 40. (Ontario county) Mesomphix ligera Say. Tryon, Am. Jour. Conch. 1866. 2:255 Hyalina ligera Say. Binney, Smith. Misc. Coll. 194. 1869. 8:44 Omphalina ligera Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 133. (Erie county) Zonites ligerus Say. Beauchamp, Onondaga List. 1886. p. 3 Gastrodonta ligera Say. Pilsbry, List Naut. 1898. p. 28 32 NEW YORK STATE MUSEUM Gastrodonta suppressa Say Helix suppressa Say. DeKay, Nat. Hist. N. Y. 1843. p. 38 Zonites suppressa Say. Binney, Smith. Misc. Coll. 194. 1869. 8:293 Helix suppressa Say. Smith & Prime, An. Lye. N. Y. 1870. 9:380. (Westchester county) Ventridens suppressa Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2, 1874. p.i34 Zonites suppressa Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:6. (Monroe county) Gastrodonta suppressa Say. Pilsbry, List Naut. 1898. p. 28 Gastrodonta multidentata Binney Gastrodonta multidentata Binn. Tryon, Am. Jour. Conch. 1866. 2:258 Helix multidentata Binn. Aldrich, Troy List. 1867. p. 5. (Albany) Hyalina multidentata Binn. Binney, Smith. Misc. Coll. 194. 1869. 8:50 Ventridens multidentata Binn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i34 Zonites multidentatus Binn. Beauchamp, Onondaga List. 1886. p.3 Zonites multidentata Binn. Walton, Rochester Acad. Sci. Proc. 1892. 2:6. (Monroe county) Gastrodonta multidentata Binn. Pilsbry, List Naut. 1898. p.29 Genus PUNCTUM Morse Punctum pygmaeum Draparnaud Conulus minutissima Lea. Tryon, Am. Jour. Conch. 1866. 2:257 Punctum minutissimum Lea. Binney, Smith. Misc. Coll. 194. 1869. 8:222 Helix minutissima Lea. Smith & Prime, An. Lye. N. Y. 1870- 9:404. (Huntington) Punctum minutissimum Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i32 Punctum pygmaeum Drap. Pilsbry, List Naut. 1898. p. 33 MOLLUSCA OF NEW YORK 33 Genus SPHYRADIUM Charp Sphyradium edentulum Draparnaud Pupa simplex Gld. DeKay, Nat. Hist. N. Y. 1843. p.52 Vertigo simplex Gld. Tryon, Am. Jour. Conch. 1867. 3:310 Vertigo simplex Gld. Binney, Smith. Misc. Coll. 194. 1869. 8:254 Vertigo simplex Gld. Smith & Prime, An. Lye. N. Y. 1870. 9:404. (Long Island) Isthmia simplex Gld. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-!33 Vertigo simplex Gld. Beauchamp, Onondaga List. 1886. p. 2 Pupa simplex Gld. Walton, Rochester Acad. Sci. Proc. 1892. 2:10 Sphyradium edentulum Drap. Pilsbry, List Naut. 1898. p.33 Family HELICIDAE^ Genus PYRAMIDULA Fitzinger Pyramidula alternata Say Helix alternata Say. DeKay, Nat. Hist. N. Y. 1843. p.29 Helix alternata Say. Jay, Cat. 1852. p.ng Helix radiata Gmel. Jay, Cat. 1852. p. 169 Helix scabra Lam. Jay, Cat. 1852. p. 173 Anguispira alternata Say. Tryon, Jour. Conch. 1866. 2:261 Helix alternata Say. Aldrich, Troy List. 1867. p. 5 Helix alternata Say. Binney, Smith. Misc. Coll. 194. 1869. 8:73 Patula alternata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-^1 Helix alternata Say. Beauchamp, Onondaga List. 1886. p.i Patula alternata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:8. (Monroe county) Pyramidula alternata Say. Pilsbry, List Naut. 1898. p. 31 Pyramidula striatella Anthony Helix striatella Anth. DeKay, Nat. Hist. N. Y. 1843. p.43. (Oriskany) Patula s tri ate 11 a Anth. Tryon, Am. Jour. Conch. 1866. 2:262 Helix striatella Anth. Aldrich, Troy List. 1867. p.6. (Islands in Hudson) Helix striatella Anth. Binney, Smith. Misc. Coll. 194. 1869. 8:80. (Mohawk) Patula striatella Anth. Lewis, Buf. Soc. Nat, Sci. Bui. 2. 1874. p.iji 34 NEW YORK STATE MUSEUM Helix striatella Anth. Beauchamp, Onondaga List. 1886. p.i Patula striatella Anth. Walton, Rochester Acad. Sci. Proc. 1892. 2:8. (Monroe county) Pyramidula striatella Anth. Pilsbry, List Naut. 1898. p. 32 Pyramidula solitaria Say Helix solitaria Say. DeKay, Nat. Hist. N. Y. 1843. P43 Helix solitaria Say. Binney, Smith. Misc. Coll. 194. 1869. 8:71 Patula solitaria Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 13 1. (Western New York) Pyramidula solitaria Say. Pilsbry, List Naut. 1898. p.^i Pyramidula perspectiva Say Helix perspectiva Say. DeKay, Nat. Hist. N. Y. 1843. P-42- (Lake Erie) Helix perspectiva Say. Jay, Cat. 1852. p.i63 Helix perspectiva Say. Say, Conch. U. S. ed. by Binney. 1858. p. 9. (Lake Erie) Patula perspectiva Say. Tryon, Am. Jour. Conch. 1866. 2:262 Helix perspectiva Say. Binney, Smith. Misc. Coll. 194* 1869. 8:79 Patula perspectiva Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i3i Helix perspectiva Say. Beauchamp, Onondaga List. 1886. p.i Patula perspectiva Say. Walton, Rochester Acad. Sci. Proc, 1892. 2:8. (Monroe county) Pyr am id ula p er sp ecti va Say. Pilsbry, List Naut. 1898^.32 Genus ACANTHINULA Beck Acanthinula harpa Say Zoogenites harpa Say. Tryon, Am. Jour. Conch, 1867. 3:311 Acanthinula harpa Say. Pilsbry, List Naut. 1898. p. 7 Genus HELICODISCUS Morse Helicodiscus lineatus Say Helix lineata Say. DeKay, Nat. Hist. N. Y. 1843. p.4*. (Troy) Helix lineata Say. Jay, Cat. 1852. p.i 51 Helicodiscus lineata Say. Tryon, Am. Jour. Conch. 1866. 2:264 Helix lineata Say. Aldrich, Troy List. 1867. p.5. (Albany) Hyalina lineata Say. Binney, Smith. Misc. Coll. 194. 1869. 8:52- Helix lineata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:403. (Long Island) MOL-LUSCA OF NEW YORK 35 Helicodiscus lineatus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i3o Helicodiscus lineatus Mse. Beauchamp, Onondaga List. 1886. p.i Helicodiscus lineatus Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:8. (Monroe county) Helicodiscus lineatus Say. Pilsbry, List Naut. 1898. p. 3 3 Genus POLYGYRA Say Polygyra tridentata Say Helix tridentata Say. DeKay, Nat. Hist. N. Y. 1843. p.28 Helix tridentata Say. Jay, Cat. 1852. p.iSi Helix tridentata Say. Aldrich, Troy List. 1867. p. 6 Triodopsis tridentata Say. Try on, Am. Jour. Conch. 1867. 3:50 Helix tridentata Say. Binney, Smith. Misc. Coll. 194. 1869. 8:129 Helix tridentata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:380. (Staten Island) Triodopsis tridentata Say. Lev\ is, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i3i Helix tridentata Say. Beauchamp, Onondaga List. 1886. p.i Triodopsis tridentata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:7. (Rochester) Polygyra tridentata Say. Pilsbry, List Naut. 1898. p.io Polygyra tridentata juxtidens Pilsbry Polygyra juxtidens Pils. Pilsbry, List Naut. 1898. p.io. (Southern New York) Polygyra fraudulenta Pilsbry Helix fallax Say. DeKay, Nat. Hist. N. Y. 1843. p.28 Helix fallax Say. Jay, Cat. 1852. p. 138 Triodopsis fallax Say. Tryon, Am. Jour. Conch. 1867. 3:51 Helix fallax Siy. Binney, Smith. Misc. Coll. 194. 1869. 8:131 Triodopsis fallax Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874, P-J31 Triodopsis fallax Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:7. (Rochester) Polygyra fraudulenta Pils. Pilsbry, List Naut. 1898. p.io. Polygyra inflecta Say Tsognomostoma inflecta Say. Tryon, Am. Jour. Cone IV. 1867. 3:54 36 NEW YORK STATE MUSEUM Helix inflecta Say. Binney, Smith. Misc. Coll. 194. 1869. 8:128 Polygyra inflecta Say. Pilsbry, List Naut. 1898. p.n. Polygyra profunda Say Helixprofunda Say. DeKay, Nat. Hist. N. Y. 1843. P-42 Ulostoma profunda Say. Tryon, Am. Jour. Conch. 1867. 3:37 H elix prof un da Say. Binney, Smith. Misc. Coll. 194. 1869. 8:152 Mesodon profunda Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i32 Polygyra profunda Say. Pilsbry, List Naut. 1898. p.u. (Western New York) Polygyra sayi Binney Helix diodonta Say. DeKay, Nat. Hist. N. Y. 1843. p 34 Helix diodonta Say. Binney ed. Say. 1858. p. 30 Mesodon diodonta Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i32 Helix sayii Binn. Beauchamp, Onondaga List. 1886. p.2 Mesodon sayii Binn. Walton, Rochester Acad. Sci. Proc. 1892. 2:7. (Pittsford) Polygyra sayii Binn. Pilsbry, List Naut. 1898. p. 12 Polygyra albolabris Say Helix albolabris Say. DeKay, Nat. Hist. N. Y. 1843. p.26 Helix rufa DeK. DeKay, Nat. Hist. N. Y. 1843. p.44. (Orange county) Helix albolabris Say. Jay, Cat. 1852. p. 119 Helix albolabris Say. Aldrich, Troy List. 1867. p.5. (Bald mountain) Mesodon albol abr i s Say. Tryon, Am. Jour. Conch. 1867. 3:39 Helix albolabris Say. Binney, Smith. Misc. Coll. 194. 1869. 8:136 Helix albolabris Say. Smith & Prime, An. Lye. N. Y. 1870. 9:403. (Long Island) Mesodon albolabris Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i3i Helix albolabris Say. Beauchamp, Onondaga List. 1886. p.2 Mesodon albolabris Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:7. (Rochester) Polygyra albolabris Say. Pilsbry, List Naut. 1898. p.i2 MOLLUSCA OF NEW YORK 37 Polygyra albolabris dentata Walker Mesodon albolabris dentate var. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 131 Mesodon albolabris var. dentata Walton, Rochester Acad. Sci. Proc. 1892. 2:7. (Pittsford) Polygyra exoleta Binney Helix exoleta Binn. DeKay, Nat. Hist. N. Y. 1843. p.27. (Rockland county) Helix zaleta Say. Jay, Cat. 1852. p.i86 Helix exoleta Binn. Aldrich, Troy List. 1867. p. 5. (Near Albany) Mesodon exoleta Binn. Try on, Am. Jour. Conch. 1867. 3:39 Helix exoleta Binn. Binney, Smith. Misc. Coll. 194. 1869. 8:144 Mesodon exoleta Binn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-J3I Polygyra exoleta Binn. Pilsbry, List Naut. 1898. p. 12. (Western New York) Polygyra multilineata Say Helix multilineata Say. DeKay, Nat. Hist. N. Y. 1843. p.4i. (Western New York) Helix multilineata Say. Binney, Smith. Misc. Coll. 194. 1869. 8:139 Mesodon multilineata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i3i Polygyra multilineata Say. Pilsbry, List Naut. 1898. p. 12. (Western New York) Polygyra dentifera Binney Helix dentifera Binn. DeKay, Nat. Hist. N. Y. 1843. P-34 Mesodon dentifera Binn. Tryon, Am. Jour. Conch. 1867. 3:39 Helix dentifera Binn. Binney, Smith. Misc. Coll. 194. 1869. 8:145 Mesodon dentifera Binn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 13 1. (Buffalo) Polygyra dentifera Binn. Pilsbry, List Naut. 1898. p. 12 Polygyra palliata Say Helix palliata Say. DeKay, Nat. Hist. N. Y. 1843. P-33- (Niagara) Helix palliata Say. Jay, Cat. 1852. p.i6i Helix caroliniensis Lea. Jay, Cat. 1852. p.i27 38 NEW YORK STATE MUSEUM Helix palliata Say. Say, Conch. U. S. ed. by Binney. 1858. p.i6. (Niagara) Xolotrema palliata Say. Try on, Am. Jour. Conch. 1867, 3^49 Helix palliata Say. Aldrich, Troy List. 1867. p. 5. (Near Troy) Helix palliata Say. Binney, Smith. Misc. Coll. 194. 1869. 8:123 Triodopsis palliata Say. Lewis, Huf. Soc. Nat. Sci. Bui. 2. 1874. p.i3i Helix palliata Say. Beauchamp, Onondaga List. 1886. p.i Triodopsis palliata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:7. (Pittsford) Polygyra palliata Say. Pilsbry, List Naut. 1898. p. 13 Polygyra appressa Say Helix appressa Say. DeKay, Nat. Hist. N. Y. 1843. P-27 Helix appressa Say. Jay, Cat. 1852. p. 120 Helix appressa Say, Say, Conch. U. S, ed. by Binney. 1858, p. 1 5. (Niagara falls) Xolotrema appressa' Say. Tyron, Am. Jour. Conch. 1867. 3:50 Helix appressa Say. Binney, Smith. Misc. Coll. 194. 1869. 8:126 Polygyra appressa Say. Pilsbry, List Naut. 1898. p. 13 Polygyra elevata Say Helix elevata Say. DeKay, Nat. Hist. N. Y. 1843. p. 36 Xolotrema elevata Say. Tryon, Am. Jour. Conch. 1867. 3:48 Helix elevata Say. Binney, Smith. Misc. Coll. 194. 1869. 8:142 Mesodon elevata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-i3i Polygyra elevata Say. Pilsbry, List Naut. 1898. p 13 Polygyra pennsylvanica Green Helix pennsylvanica Green. DeKay, Nat. Hist. N. Y. 1843, p.4i Helix pennsylvanica Green. Binney, Smith. Misc. Coll. 194. 1869. 8:140 Polygyra pennsylvanica Green. Pilsbry, List Naut. 1898. p. 13 Polygyra thyroides Say Helix thyroidus Say. DeKay, Nat. Hist. N. Y. 1843. p.29 Helix thyroides Say. Jay, Cat. 1852. p.iSo Helix thyroidus Say. Say, Conch. U. S. ed. by Binney. 1858. p.3i. (Niagara falls) MOLLUSCA OF NEW YORK 39 Helix thyroidus Say. Aldrich, Troy List. 1867. p. 6. (Near Bald mountain) Mesodon thyroides Say. Tryon, Am. Jour. Gonch. 1867. 3:41 Mesodon bucculenta Gld. Tiyon, Am. Jour. Conch. 1867. 3:41 Helix thyroides Say. Binney, Smith. Misc Coll. 194. 1869. 8:147 Helix thyroides Say. Smith & Prime, An. Lye. N. Y. 1870. 9:403. (Long Island) Mesodon thyroides Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i3[ Helix thyroides Say. Beauchamp, Onondaga List. 1886. p.2 Mesodon thyroides Say. Walton, Rochester Acad. Sci, Proc. 1892. 2:7. (Rochester) Polygyra thyroides Say. Pilsbry, List Naut. 1898. p. 13 Polygyra clausa Say Helix clausa Say. DeKay, Nat. Hist. N. Y. 1843. P-31 Helix clausa Say. Binney, Smith. Misc. Coll. 194. 1869. 8:149 Polygyra clausa Say. Pilsbry, List Naut. 1898. p 13 Polygyra hirsuta Say Helix hirsuta Say. DeKay, Nat. Hist. N. Y. 1843.^.36 Helix hirsuta Say. Jay, Cat. 1852. p. 144 Stenotrema hirsuta Say. Tryon, Am, Jour. Conch. 1867. 3:57 Helix hirsuta Say. Binney, Smith. Misc. Coll. 194. 1869. 8:118 Helix hirsuta Say. Smith & Prime, An. Lye. N. Y. 1870. 9:380. (Westchester county) Stenotrema hirsuta Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1674. p. 131. (New Hartford) Stenotrema hirsuta Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:7. (Rochester) Polygyra hirsuta Say. Pilsbry, List Naut. 1898. p. 14 Polygyra monodon Racket Helix monodon Rack. DeKay, Nat. Hist. N. Y. 1843. p-35- (Troy) Helix monodon Rack. Aldrich, Troy List. 1867. p. 5. (Troy) Stenotrema monodon Rack. Tryon, Am. Jour. Conch. 1867. 3:56 Helix monodon Rack. Binney, Smith. Misc. Coll. 194. 1869. 8:120 4O NEW YORK STATE MUSEUM Helix monodon Rack. Smith & Pjime, An. Lye. N. Y. 1870. 9:380. (Westchester county) Stenotrema monodon Rack. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i3i Helix monodon Rack. Beauchamp, Onondaga List. 1886. p.i Stenotrema monodon Rack. Walton, Rochester Acad. Sci. Proc. 1892. 2:7. (Rochester) Polygyra monodon Rack. Pilsbry, List Naut. 1898. p. 14 Polygyra monodon fraterna Say Helix fraterna Say. Jay, Cat. 1852. p. 140 Stenotrema monodon var. fraterna Say. Walton, Roches- ter Acad. Sci. Proc. 1892. 2:7. (Rochester) Polygyra monodon fraterna Say. Pilsbry, List Naut. 1898. P-'5 Polygyra leai Ward Stenotrema monodon var. 1 e a i i Ward. Walton, Rochester Acad. Sci. Proc. 1892. 2:7. (Rochester) Genus VALLONIA Risso Vallonia pulchella Muller Helix minuta Say. DeKay, Nat. Hist. N. Y. 1843. p-4o. (Essex county) Vallonia minuta Say. Tryon, Am. Jour. Conch. 1867. 3:36 Helix minuta Say. Aldrich, Troy List. 1867. p.5. (Mohawk flats) Helix pulchella Mull. Binney, Smith. Misc. Coll. 194. 1869. P-'ST Helix pulchella Mull. Smith & Prime, An. Lye. N. Y. 1870, 9:403. (Long Island) Vallonia pulchella Mull. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i32 Helix pulchella Mull. Beauchamp, Onondaga List. 1886. p. 2 Vallonia pulchella Mull. Walton, Rochester Acad. Sci. Proc. 1892, 2:7. (Pittsford) Vallonia pulchella Mull. Pilsbry, List Naut. 1898. p.7 Vallonia excentrica Sterki Vallonia excentrica Stk. Pilsbry, List Naut. 1898. p-7 Vallonia costata Muller Vallonia costata Mull. Pilsbry, List Naut. 1898. p.7 MOLLUSCA OF NEW YORK 4! Genus CIRCINARIA Beck Circinaria concava Say Helix concava Say. DeKay, Nat. Hist. N. Y. 1843. p.33 Macrocyclis concava Say. Tryon, Am. Jour. Conch. 1866. 2:245 Helix concava Say. Aldrich, Troy List. 1867. p. 5. (Lansingburg) Macrocyclis concava Say. Binney, Smith. Misc. Coll. 194. 1869. 8:56 Macrocyclis concava Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.r3i Macrocyclis concava Say. Beauchamp, Onondaga List. 1886. p.i Macrocyclis concava Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:5. (Pittsford) Circinaria concava Say. Pilsbry, List Naut. 1898. p. 24 Genus HELIX Linnaeus Helix hortensis Miiller Helix subglobosa Binn. DeKay, Nat. Hist. N. Y. 1843. p. 32 Helix hortensis Mull. Smith & Prime, An. Lye. N. Y. 1870. 9:4.04 Tachea hortensis Mull. Walton, Rochester Acad. Sci. Proc. 1892. 2:7. (East Rochester) Family F»UF»IDJ^E Genus PUPOIDES Pfeiffer Pupoides marginatus Say £upa fallax Say. DeKay, Nat. Hist. N.Y. 1843. p.$i Pupa fallax Say. Jay, Cat. 1852. p 226 Leucochila fallax Say. Tryon, Am. Jour. Conch. 1867. 3:305 Pupa fallax Say. Binney, Smith. Misc. Coll. 194. 1869. 8:239 Pupa fallax Say. Smith & Prime, An. Lye. N. Y. 1870. 9:404. (Long Island) Leucochila fallax Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 132. (Crown Point) Pupa fallax Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:10. (Rochester) Leucochila fallax Say. Pilsbry, List Naut. 1898. p. 19 Pupoides marginatus Say. Pilsbry, A. N. S. P. Proc. 1900. 42 NEW YORK STATE MUSEUM Genus PUPA Lamarck Pupa muscorum Linnaeus Pupa badia Ads. DeKay, Nat. Hist. N. Y. 1843. P-49- (Crown Point) Pupa muscorum Linn. Jay, Cat. 1852. p. 229 Pupilla badia Ads. Tryon, Am. Jour. Conch. 1867. 3:302 Pupa muscorum Linn. Binney, Smith. Misc. Coll. 194. 1869. 8:234. (Isles of St Lawrence) Pupilla muscorum Linn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 132. (Crown Point) Pupa muscorum Linn. Walton, Rochester Acad. Sci. Proc. 1892. 2:10. (Brighton) Pupa muscorum Linn. Pilsbry, List Naut. 1898. p. 20 Pupa muscorum Linn. Pilsbry, A. N. S. P. Proc. 1900. p. 605 Genus VERTIGO Mullet Vertigo ovata Say Pupa ovata Say. DeKay, Nat. Hist. N. Y. 1843. p 50 Pupa ovata Say. Jay, Cat. 1852. p. 230 Vertigo ovata Say. Aldrich, Troy List. 1867. p. 6. (Troy) Vertigo ovata Say. Tryon, Am. Jour. Conch. 1867. 3:310 Vertigo ovata Say. Binney, Smith. Misc. Coll. 194. 1869. 8:252 V e rt i go o va ta Say. Smith & Prime, An. Lye. N. Y. 1870. 9:404. (Long Island) I sthmi a o va ta Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 133 Vertigo ovata Say. Beauchamp, Onondaga List. 1886. p. 2 Vertigo ovata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:11 Vertigo ovata Say. Pilsbry, List Naut. 1898. p. 22 Vertigo ovata Say. Pilsbry, A. N. S. P. Proc. 1900. p. 608 Vertigo binneyana Sterki Vertigo binneyana Stk. Pilsbry, List Naut. 1898. p.2i Vertigo binneyana Stk. Pilsbry, A. N. S. P. Proc. 1900. p. 608 Vertigo pygmaea Draparnaud Vertigo pygmaea Drap. Pilsbry, List Naut. 1898. p.22 Vertigo pygmaea Drap. Pilsbry, A. N. S. P. Proc. 1900. p.6o8 Vertigo tridentata Wolf Vertigo tridentata Wolf. Pilsbry, List Naut. 1898. p.22 Vertigo trident at a Wolf. Pilsbry, A. N. S. P. Proc. 1900. p.6o8 MOLLUSCA OF NEW YORK 43 Vertigo ventricosa Morse Vertigo ventricosa Morse. Tryon, Am. Jour. Conch. 1867. 3:310. (Mohawk) Vertigo ventricosa Morse. Binney, Smith. Misc. Coll. 194.. 1869. 8:253 Isthmia ventricosa Morse. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i33 Vertigo ventricosa Morse. Beauchamp, Onondaga List. 1886. p.2 Vertigo ventricosa Morse. Pilsbry, List Naut. 1898. p. 22 Vertigo ventricosa Morse. Pilsbry, A. N. S. P. Proc. 1900. p. 609 Vertigo gouldi Binney Pupa gouldii Binn. Jay, Cat. 1852. p.227 Vertigo gouldii Binn. Tryon, Am. Jour. Conch. 1867. 3:309 Vertigo gouldii Binn. Binney, Smith. Misc. Coll. 194.. 1869. 8:249 . Isthmia gouldii Binn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i32 Vertigo gouldii Binn. Pilsbry, List Naut. 1898. p. 22 Vertigo gouldii Binn. Pilsbry, A. N. S. P. Proc. 1900. p. 609 Vertigo gouldi bollesiana Morse Vertigo bollesiana Morse. Tryon, Am. Jour. Conch. 1867. 3:308 Vertigo bollesiana Morse. Binney, Smith. Misc. Coll. 194. 1869. 8:250 Isthmia bollesiana Morse. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p,i32 Vertigo bollesiana Morse. Beauchamp, Onondaga List. 1886. p.2 Vertigo b ol 1 e si ana Morse. Pilsbry, List Naut. 1898. p. 22 Vertigo gouldii bollesiana Morse. Pilsbry, A. N. S. P. Proc. 1900. p. 609 Vertigo modesta Say Pupa modesta Say. Jay, Cat. 1852. p. 229 Vertigo modesta Say. Pilsbry, A. N. S. P. Proc. 1900. p. 609 Vertigo milium Gould Pupa milium Gld. DeKay, Nat. Hist. N. Y. 1843. p.48 Vertigo milium Gld. Tryon, Am. Jour. Conch. 1867. 3:309 44 NEW YORK STATE MUSEUM Vertigo milium Gld. Binney, Smith. Misc. Coll. 194. 1869. 8:251 Vertigo milium Gld. Smith & Prime, An. Lye. N. Y. 1870. 9:404. (Long Island) Isthmia milium Gld. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-*33 Pupa milium Gld. Walton, Rochester Acad. Sci. Proc. 1892. 2:10. (Monroe county) Vertigo milium Gld. Pilsbry, List Naut. 1898. p.2i Vertigo milium Gld. Pilsbry, A. N. S. P. Proc. 1900. p.6io Genus COCHLICOPA Risso Cochlicopa lubrica Muller Bulimus lubricus Brug. DeKay, Nat. Hist. N. Y. 1843. p-55- (Oriskany, Oneida county) Zua subcylindrica Chem. Tryon, Am. Jour. Conch. 1867. 3:299 Achatina lubrica Mull. Aldrich, Troy List. 1867. p. 6. (Mo- hawk basin) Cionella subcylindrica Linn. Binney, Smith. Misc. Coll. 194. 1869. 8:224 Zua subcylindrica Linn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i32 Cionella subcylindrica Linn. Beauchamp, Onondaga List. 1886. p.2 Ferussacia subcylindrica Linn. Walton, Rochester Acad. Sci. Proc. 1892. 2:11. (Monroe county) Cochlicopa lubrica Mull. Pilsbry, List Naut. 1898. p. 23 Genus BJFIDARIA Sterki Bifidaria corticaria Say Pupa corticaria Say. DeKay, Nat. Hist. N. Y. 1843. p.5o Leucochila corticaria Say. Tryon, Am. Jour. Conch. 1867. 3:307 Pupa corticaria Say. Binney, Smith. Misc. Coll. 194. 1869. 8:244 Pupa corticaria Say. Smith & Prime, An. Lye. N. Y. 1870. 9:404. (Huntington) Leucochila corticaria Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i32 Pupa corticaria Say. Beauchamp, Onondaga List. 1886. p.2 Pupa corticaria Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:10. (Pittsford) MOLLUSCA OF NEW YORK 45 Bifidaria corticaria Say. Pilsbry, List Naut. 1898. p. 19 Bifidaria corticaria Say. Pilsbry, A. N. S. P. Proc. 1900. p. 606 Bifidaria rupicola Say Pupa rupicola Say. Binney, Smith. Misc. Coll. 194. 1869. 8:243 Leucochila rupicola Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i32 Pupa rupicola Say. Walton, Rochester Acad. Sci. Proc. 1892, 2:10. (Pittsfordi Bifidaria rupicola Say. Pilsbry, List Naut. 1898. p. 19 Bifidaria rupicola Say. Pilsbry, A. N. S. P. Proc. 1900. p. 607 Bifidaria contracta Say Pupa contracta Say. DeKay, Nat. Hist. N. Y. 1843. p. 49. (Troy) Pupa contracta Say. Jay, Cat. 1852. p. 224 Leucochila contracta Say. Tryon, Am. Jour. Conch. 1867. 3:3°7 Pupa contracta Say. Binney, Smith. Misc. Coll. 194. 1869. 8:242. (Mohawk) . Pupa contracta Say. Smith & Prime, An. Lye. N. Y. 1870. 9:404. (Huntington) Leucochila contracta Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p 132 Pupa contracta Say. Beauchamp, Onondaga List. 1886. p. 2 Pupa contracta Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:10. (Monroe county) Bifidaria contracta Say. Pilsbry, List Naut. 1898. p. 19 Bifidaria contracta Say. Pilsbry, A. N. S. P. Proc. 1900. p. 607 Bifidaria armifera Say Pupa armifera Say. DeKay, Nat. Hist. N. Y. 1843. p. 52. (Crown Point) Leucochila armifera Say. Tryon, Am. Jour. Conch. 1867. 3:306 Pupa armifera Say. Binney, Smith. Misc. Coll. 194. 1869. 8:241 Pupa armifera Say. Smith & Prime, An. Lye. N. Y. 1870. 9:380. (Westchester county) Leucochila armifera Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2, 1874. p.i32 46 NEW YORK STATE MUSEUM Pupa armifera Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:10. (Rochester) Bifidaria armifera Say. Pilsbry, List Naut. 1898. p. 19 Bifid aria armifera Say. Pilsbry, A. N. S. P. Proc. 1900. p. 607 Bifidaria pentodon Say Pupa pentodon Say. DeKay, Nat. Hist. N. Y. 1843. p. 50. (Albany) Pupa pentodon Say. Jay, Cat. 1852. p. 230 Pup ilia pentodon Say. Tryon, Am. Jour. Conch. 1867. 3:303 Pupa pentodon Say. Binney, Smith. Misc. Coll. 194. 1869.8:236 Pupa pentodon Say. Smith & Prime, An. Lye. N. Y. 1870. 9:404. (Long Island) ' Pupilla pentodon Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-I32 Pupa pentodon Say. Beauchamp, Onondaga List. 1886. p. 2 Pupa pentodon Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:10. (Rochester) Bifidaria pentodon Say. Pilsbry, List Naut. 1898. p 20 Bifidaria pentodon Say. Pilsbry, A N. S P. Proc. 1900. p. 608 Bifidaria curvidens Gould Bifidaria curvidens Gld. Pilsbry, List Naut. 1898. p. 20 Bifidaria curvidens Gld. Pilsbry, A. N. S. P. Proc. 1900. p. 608 Genus STROBILOPS Pilsbry Strobilops labyrinthica Say Helix labyrinthica Say. DeKay, Nat. Hist. N. Y. 1843. P39- (Tr°y) Helix labyrinthica Say. Jay, Cat. 1852. p.i48 Strobila labyrinthica Say. Tryon, Am. Jour. Conch. 1866. 2:259 Helix labyrinthica Say. Binney, Smith. Misc. Coll. 194. 1869. 8:84 Helix 1 aby r i n th i ca Say. Smith & Prime, An. Lye. N. Y. 1870. 9:403. (Greenport) Strobila labyrinthica Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i3i Helix labyrinthica Say. Beauchamp, Onondaga List. 1886. p. i Strobila labyrinthica Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:8. (Pittsford) Strobilops 1 a by rin t h ica Say. Pilsbry, List Naut. 1898. p.i8 MOLLUSCA OF NEW YORK 47 Strobilops virgo Pilsbry Strobilops virgo Pils. Pilsbry, List Naut. 1898. p. 19 Strobilops affinis Pilsbry Strobilops affinis Pils. Pilsbry, List Naut. 1898. p. 19 Family LIIVIJ^CID^.E: Genus LIMAX Linnaeus Limax maximus Linnaeus Limax maximus Linn. Smith & Prime, An. Lye. N. Y. 1870, 9:403. (Long Island) Limax maximus Linn. Walton, Rochester Acad. Sci. Proc. 1892. 2:8. (Monroe county) Limax maximus Linn. Pilsbry, List Naut. 1898. p. 29. (Lock- port. Mr E. P. VanDuzee) Limax flavus Linnaeus Limax flavus Linn. DeKay, Nat. Hist. N. Y. 1843. p.zu (New York city) Limax flavus Linn. Tryon, Am. Jour. Conch. 1867. 3:314 Limax flavus Linn. Binney, Smith. Misc. Coll. 194. 1869. 8:6r Limax flavus Linn. Smith & Prime, An. Lye. N. Y. 1870, 9:403. (Long Island) Eulimax flavus Linn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874, P-I31 Limax flavus Linn. Beauchamp, Onondaga List. 1886. p.i Limax flavus Linn. Walton, Rochester Acad. Sci. Proc. 1892. 2:8. (Monroe county) Limax flavus Linn. Pilsbry, List Naut. 1898. p. 29 Family TKBENNOPHORIDAE Genus PHILOMYCUS (Raf.) Ferussac Philomycus carolinensis Bosc Tebennophorus carolinensis Bosc. DeKay, Nat. Hist,. N. Y. 1843. p.24 Tebennophorus carolinensis Bosc. Tryon, Am. Jour, Conch. 1867. 3:316 Tebennophorus carolinensis Bosc. Binney, Smith. Misc. Coll. 194. 1869. 8:297 Tebennophorus carolinensis Binn. Smith & Prime, An, Lye. N. Y. 1870. 9:404. (Long Island) Tebennophorus carolinensis Bosc. Lewis, Buf. Soc. Nat, Sci. Bui. 2. 1874. p. 134 48 NEW YORK STATE MUSEUM Tebennophorus carolinensis Bosc. Beauchamp, Onondaga List. 1886. p. 3 Tebennophorus carolinensis Bosc. Walton, Rochester Acad. Sci. Proc. 1892. 2:8 Philomycus carolinensis Bosc. Pilsbry, List Naut. 1898. P-29> 3i Philomycus dorsalis Binney Tebennophorus dorsalis Binn. Tryon, Am. Jour. Conch. 1867. 3:317 Tebennophorus dorsalis Binn. Binney, Smith. Misc. Coll. 194. 1869. 8:300 Tebennophorus dorsalis Binn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 134 Tebennophorus dorsalis Binn. Beauchamp, Onondaga List. 1886. p.3 Tebennophorus dorsalis Binn. Walton, Rochester Acad. Sci. Proc. 1892. 2:8. (Monroe county) Philomycus dorsalis Binn. Pilsbry, List Naut. 1898. p.3i Family ARIONIDAE Genus ARION Ferussac Arion hortensis Ferussac Arion hortensis Fer. DeKay, Nat. Hist. N. Y. 1843. p. 23 Arion hortensis Fer. Pilsbry, A. N. S. P. Proc. 1898. p. 239. (Poughkeepsie) Arion hortensis Fer. Pilsbry, List Naut. 1898. p. 29. (Poughkeepsie) Genus AGRIOLIMAX Morch Agriolimax agrestis Linnaeus Limax agrestis Linn. DeKay, Nat. Hist. N. Y. 1843. P-20 Limax agrestis Mull. Tryon, Am. Jour. Conch. 1867. 3:315 Limax agrestis Linn. Binney, Smith. Misc. Coll. 194. 1869. 8:63 Limax agrestis Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:403. (Long Island) Eulimax agrestis Linn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i3i Limax agrestis Linn. Beauchamp, Onondaga List. 1886. p.i Limax agrestis Linn. WTalton, Rochester Acad. Sci. Proc. 1892. 2:8. (Monroe county) Agriolimax agrestis Linn. Pilsbry, List Naut. 1898. p. 29 MOLLUSCA OF NEW YORK 49 Agriolimax campestris Binney Limax campestris Binn. DeKay, Nat. Hist. N. Y. 1843. p. 22 Limax campestris Binn. Binney, Smith. Misc. Coll. 194. 1869. 8:65 Limax campestris Binn. Smith & Prime, An. Lye. N. Y. 1870. 9:403. (Long Island) Eulimax campestris Binn. Lewi?, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i3t Limax campestris Binn. Beauchamp, Onondaga List. 1886. p.i Limax campestris Walton. Walton, Rochester Acad. Sci. Proc. 1892. 2:8. (Monroe county) Agriolimax campestris Binn. Pilsbry, List Naut. 1898. p. 29 Family SUCCINEHDAJB Genus SUCCINEA Draparnaud Succinea retusa Lea Succinea oval is Say. DeKay, Nat. Hist. N. Y. 1843. P-53 Helix ovalis Say. Jay, Cat. 1852. p.i6i Succinea ovalis Say. Jay, Cat. 1852. p.25o . Succinea ovalis Say. Tryon, Am. Jour. Conch. 1866. 2:237 Succinea ovalis Say. Aldrich, Troy List. 1867. p.5 Succinea ovalis Old. Binney, Smith. Misc. Coll. 194. 1869. 8:257 Succinea ovalis Say. Smith & Prime, An. Lye. N. Y. 1870. 9:380 Succinea ovalis Gld. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P J33 Succinea ovalis Gld. Beauchamp, Onondaga List. 1886. p. 2 Succinea ovalis Gld. Walton, Rochester Acad. Sci. Proc. 1892. 2:11 Succinea retusa Lea. Pilsbry, List Naut. 1898. p. 34 Succinea obliqua Say Succinea obliqua Say. DeKay, Nat. Hist. N. Y. 1843. p.53. (Herkimer county) Succinea obliqua Say. Jay, Cat. 1852. p-473 Succinea obliqua Say. Tryon, Am. Jour. Conch. 1866. 2:232 Succinea obliqua Say. Aldrich, Troy List. 1867. p. 5. (Albany) Succinea obliqua Say. Binney, Smith. Misc. Coll. 194. 1869. 8:265. (Mohawk) Succinea obliqua Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-I33 5<3 NEW YORK STATE MUSEUM Succinea obliqua Say. Beauchamp, Onondaga List. 1886. pa Succinea obliqua Say. Walton, Rochester Acad. Sci-. Proc. 1892. 2:11. (Monroe county) Succinea obliqua Say. Pilsbry, List Naut. 1898. p.34 Succinea obliqua totteniana Lea Succinea totteniana Lea. Tryon, Am. Jour. Conch. 1866. 2:230 Succinea totteniana Lea. Aldrich, Troy List. 1867. p. 5 Succinea totteniana Lea. Binney, Smith. Misc. Coll. 194. 1869. 8:266 Succinea totteniana Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. Succinea totteniana Lea. Beauchamp, Onondaga List. 1886, p.2 Succinea totteniana Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:11. (Monroe county) Succinea obliqua totteniana Lea. Pilsbry, List Naut. 1898. p.34 Succinea avara Say Succinea avara Say. DeKay, Nat. Hist. N. Y. 1843. p.54, (Near Lake Champlain) Succinea avara Say. Jay, Cat. 1852. p. 250 S ucc i nea* av ara Say. Tryon, Am. Jour. Conch. 1866. 2:233 Succinea avara Say. Binney, Smith. Misc. Coll. 194. 1869. 8:262, (Mohawk river) S uccinea avara Say. Smith & Prime, An. Lye. N. Y. 1870. 9:404, (Long Island) Succinea avara Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-'33 Succinea avara Say. Beauchamp, Onondaga List. 1886. p.2, (Seneca river) Succinea avara Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:11. (Monroe county) Succinea avara Say. Pilsbry, List Naut. 1898. p.34 Succinea aurea Lea Succinea aurea Lea. Tryon, Am. Jour. Conch. 1866. 2:24 r. (Niagara falls) Succinea aurea Lea. Binney, Smith. Misc. Coll. 194. 1869. 8:264 Succinea aurea Lea Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 1 33. (Little Lakes) MOLLUSCA OF NEW YORK 5! Succinea aurea Lea. Walton, Rochester Acad. Sci. Proc, 1892. 2:11. (Monroe county) Succinea aurea Lea. Pilsbry, List Naut. 1898. p. 34 Order BASOMMATOPHORA Suborder GEHYDROPHILA Family AUJRICULIDAE Genus ALEXIA Leach Alexia myosotis Draparnaud Auricula denticulata Mont DeKa>, Nat. Hi>t N. Y. 1843. P-58 Alexia myosotis Drap. Binney, Smith. Misc. Coll. 143. 1865. 7:4. (Long Wand sound) Melampus denticulatus St. Smith & Prime, An. Lye N . Y. 1870. 9:399 Alexia myosotis Drap. Lewis, Buf. Soc. Nat Sci Bui. 2 1874. P-'34 Genus MELAMPUS Montfort Melampus lineatus Say Auricula bidentata Say. DeKay, Nat. Hist. N. Y. 1843. 0.57 Auricula bidentata Say. Jay, Cat. 1852. p 264 Auricula cornea Desh. Jay, Cat. 1852. p. 264 Melampus bidentatus Say. Binney, Smith. Misc. Coll. 143. 1865. 7:10 Melampus lineatus Say. Binney, Smith. Misc. Coll. 143. 1865. 7:12 Melampus corneus St. Smith & Prime, An. Lye. N. Y. 1870. 9-399 Melampus bidentatus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i34 Suborder HYGROPHILA Family Subfamily Limnaea stagnalis Linnaeus Limnea jugularis Say. DeKay, Nat. Hist. N. Y. 1843. P-74- (Lakes Champlain and Onondaga) Limnea appressa Say. DeKay, Nat. Hist. N. Y. 1843. p. 74. (Lakes Champlain and Cayuga) Limnaea appressa Say. Stimpson, New Eng. Shells. 1851. p.$2. (Lake Champlain) 52 NEW YORK STATE MUSEUM Lymnaea jugularis Say. Jay. Cat. 1852. p. 269 Limnaea stagnalis Linn. Binney, Smith. Misc. Coll. 143. 1865. 7:25. (Black river) Limnaea stagnalis Linn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i35 Limnaea stagnalis Linn. Beauchamp, Onondaga List. 1886. p.3« (Oneida lake) Limnaea stagnalis Linn. Walton, Rochester Acad. Sci. Proc. 1892. 2:11. (Brighton) Limnaea ampla Mighels Limnaea ampla Migh. Binney, Smith. Misc. Coll. 143. 1865. 7:30 Limnaea ampla Migh. Aldrich, Troy List. 1867. p. 3. (Dryriver) Radix ampla Migh. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 135 Limnaea auricularia Linnaeus Limnaea auricularia Linn. Call, Naut. 1902. 16:58. (Flatbush) Limnaea columella Say Limnea columella Say. DeKay, Nat. Hist. N. Y. 1843. P-72 Lymnaea columella Say. Jay, Cat. 1852. p 269. (Cayuga lake) Lymnaea macrostoma Say. Jay, Cat. 1852. p. 270 Lymnaea navicula Val. Jay, Cat. 1852. p.27o Limnea macrostoma Say. Binney, Smith. Misc. Coll. 143. 1865. 7:4 Limnea columella Say. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Greenport L. I.) Radix columella Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-I35 Limnaea columella Say. Beauchamp, Onondaga List. 1886. p. 3. (Seneca river) Limnaea columella Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:12. (Erie canal) Limnaea columella Say. Letson, N. Y. State Mus, Bui. 45. 1901. p. 244. (Goat island. Post- Pliocene) Limnaea megasoma Say Limnea megasoma Say. DeKay, Nat. Hist. N. Y. 1843. P-7°- (Lake Champlain) Limnaea megasoma Say. Stimpson, New Eng. Shells. 1851. p.52. (Lake Champlain) MOLLUSCA OF NEW YORK 53 Limnaea megasoma Say. Binney, Smith. Misc. Coll. 143. 1865. 7:37. (Lake Champlain) Bulirnnea megosoma Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 135. (Lake Champlain) Limnaea reflexa Say Limnea reflexa Say. DeKay, Nat. Hist. N. Y. 1843. p. 71. (Herkimer county) Lymnaea reflexa Say. Jay, Cat. 1852. p. 270 Lymneus reflexus Say. Say, Conch. U. S. ed. by Binney. 1858. p.65. (Lake Erie) Limnaea reflexa Say. Binney, Smith. Misc. Coll. 143. 1865. 7:38. (Lake Erie) Limnophysa reflexa Say. Tryon, Am. Jour. Conch. 1865. 1:249. (Western New York) Limnaea reflexa Say. Aldrich, Troy List. 1867. P-3- (Mohawk river) Limnophysa reflexa Say, Lewis, Buf. Soc. Nat. Sci. Bui 2. 1874. p .135. (Western New York) Limnaea reflexa Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:12. (Rochester) Limnaea reflexa umbrosa Say Limnea umbrosa Say. DeKay, Nat. Hist. N. Y 1843. P-68 Lymnaea elongata Say. Jay, Cat. 1852. p. 269 Lymnaea umbrosa Siy. Jay, Cat. 1852. p. 271 Limnophysa umbrosa Say. Tryon, Am. Jour. Conch. 1865. 1:250 Physa elongata Say. Smith & Prime, An. Lye N. Y. 1870. 9:402. (Huntington L. I.) Li m n ae a umbrosa Say. Btauchamp, Onondaga List. 1886. p.3 Limnaea palustris Miiller . Limnea fragilis Linn. DeKay, Nat. Hist. N. Y. 1843. p.68 Lymnaea elodes Say. Jay, Cat. 1852 p. 269 Lymnaea fragilis Linn. Jay, Cat. 1852. p.269 Lymnaea palustris Drap. Jay, Cat. 1852. p. 270 Lymneus elodes Say. Say, Conch. U. S. ed. by Binney. 1858. p. 66. (Canandaigua lake) Limnaea palustris Mull. Binney, Smith Mi c. Coll. 143. 1865. 7:44 54 NEW YORK STATE MUSEUM Limnophysa palustris Mull. Tryon, Am. Jour. Conch. 1865. 1:251. (Western New York) Limnaea elodes Say. Aldrich, Troy List. 1867. p. 3. (Troy) Limnophysa elodes Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. l874- P- '35 Limnaea elodes Say. Beauchamp, Onondaga List. 1886. p.3 Limnaea elodes Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:12. (Erie canal) Limnaea desidiosa Say Lymnaea fusjformis Lea. Lea, Obs. Genus Unio. 1841. 4:10. (Niagara river at Lewiston) Limnea desidiosa Say. DeKay, Nat. Hist. N. Y. 1843. p.y3 Lymnaea desidiosa Say. Jay, Cat. 1852. p. 269 Lymnaea acuta Say. Jay, Cat. 1852. p. 268 Lymneus desidiosus Say. Say, Conch. U. S. ed. by Binney. 1858. p.66. (Cayuga lake) Limnaea desidiosa Say. Binney, Smith. Misc. Coll. 143. 1865. 7:48. (Cayuga lake) Limnaea desidiosa Say. Aldrich, Troy List. 1867. p^. (Mohawk river) Limnea desidiosa Say. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Long Island) Limnophysa desidiosa Say. Lewis, Buf. Soc. Nat Sci. Bui. 2. 1874- Pi35 L i m n a ea d e s i d i o s a Say. Beauchamp, Onondaga List. 1886. p.3 Limnaea desidiosa Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:12 Limnaea desidiosa Say. Letson, N. Y. State Mus. Bui. 45. 1901. p. 244. (Goat island. Post-Pliocene) Limnaea emarginata Say Limnea emarginata Say. DeKay, Nat. Hist. N. Y. 1843. p.73. (Mohawk river) Limnaea emarginata Say. Binney, Smith. Misc. Coll. 143. 1865. 7:51. (Owasco lake) Limnophysa emarginata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i35 Limnaea emarginata Say. Beauchamp, Onondaga List. 1886. p.3. (Cross lake) MOLLUSCA OF NEW YORK 55 Limnaea catascopium Say Limnea catascopium Say. DeKay, Nat. Hist. N. Y. 1843. p. 67 L y m n a e a catascopium Say. Jay, Cat. 1852. p. 268 Limnaea catascopium Say. Binney, Smith. Misc. Coll. 143 1865. 7:53. (Mohawk river) Limnaea elodes var. catascopium Say. Aldrich, Troy List. 1867. p.3 Limnophysa catascopium Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i35 Limnaea catascopium Say. Beauchamp, Onondaga List. 1886. p.3 Limnaea catascopium Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:12. (Rochester) Limnaea catascopium Say. Letson, N. Y. State Mus. Bui. 45. 1901. p. 244. (Goat island. Post-Pliocene) Limnaea caperata Say Limnea caperata Say. DeKay, Nat. Hist. N. Y. 1843. p.6g. (Mohawk river) Limnaea caperata Say. Binney, Smith. Misc, Coll. 143. 1865. 7:56. (Mohawk river) Limnaea umbilicata Ads. Aldrich, Troy List. 1867. p. 3. (Hudson river) Limnea caperata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:380. (Westchester county) Limnophysa umbilicata Ads. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 135 Limnaea umbilicata Ads. Beauchamp, Onondaga List. 1886. p.3 Limnaea caperata Say. Beauchamp, Onondaga List. 1886. p.3 Limnaea caperata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:12. (Pittsford) Limnaea pallida Adams Limnea pallida Ads. DeKay, Nat. Hist. N. Y. 1843. p.69- (Lake Champlain) Limnaea pallida Ads. Stimpson, New Eng. Shells. 1851. p. 52. (Lake Champlain) Lymnaea pallida Ads. Jay, Cat. 1852. p.27o .. Limnaea pallida Ads. Binney, Smith. Misc. Coll. 143. 1865 7:60. (Lake Champlain) 56 NEW YORK STATE MUSEUM Limnophysa pall id a Ads. Lewis, Buf. S >c. Nat. Sci Bui. 2 1874. p.i35 Limnaea pallida Ads. Be.mchamp, Onondaga List. 1886. p. 4. (Onondaga lake) Limnaea pallida Ads. Walto >, R >che ter Ar.a 1. Si. Proc. 1892. 2:12. (Erie carul) Limnaea humilis Say Limnea humilis Say. DcKay, Nat. Hist. N. Y. 1843. .71 Limnea linsleyi DeK. DcKay, Nat. Hist. N. Y. 1843. p.yz (Stratford) Lymnaea humilis Say. Jay, Cat. 1852. p 269 Limnaea humilis Say. Bmney, Smith. Misc. Coll. 143. 1865. 7:63. ( tsrgo county) Limnaea humilis Say. Aldrirh, Troy Li^t. 1867. p3 (Mohawk river) Limnea humilis Say. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Long Island) Limnophysa humilis Say. Lewis, Buf. Sac. Nat. Sci. Bui. 2. 1874 P-I35 Limnaea humilis Say. Beauchamp, Onondaga List. 1886. p. 4 Limnaea gracilis Jay Limnea gracilis Say. DeKay, Nat. Hist. N. Y. 1843. p.7o. (Lake Chami lain) Li mn ae a g r ac i lis Jay. Stimpson, New Eng. Shells. 1851. p.52. (Lake Champlain) Limnaea gracilis Jay. Binney, Smith. Misc. Coll. 143. 1865. 7:69. (Schuyler's lake) Acella gracilis Jay. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 135. (Niagara river) Genus PHYSA Draparnaud Physa gyrina Say Physa gyrina Say. DeKay, Nat. Hist. N. Y. 1843. p 79. (Northern New York) Physa elliptic a Lea. DeKay, Nat. Hist. N. Y. 1843. p. 77 Physa gyrina Say. Binney, Smith. Misc. Coll. 143. 1865. 7:77 Physa hildrethiana Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p-135 Physa gyrina Say. Beauchamp, Onondaga List. 1886. p. 4 Physa gyrina Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:12. (Erie canal) MOLLUSCA OF NEW YORK 57 Physa ancillaria Say Physa ancillaria Say. DeKay, Nat. Hist. N. Y. 1843. P-79 (Lake Champlain) Physa obesa DeK. DeKay, Nat. Hist. N. Y. 1843. p.yS. (Rens- selaer county) Physa obesa DeK. Jay, Cat. 1852. p. 271 Physa ancillaria Say. Binney, Smith. Misc. Coll. 143. 1865. 7:81. (Hudson river) Physa ancillaria Say. Tryon, Am. Jour. Conch. 1865. 1:167 Physa ancillaria Say. Aldrich, Troy List. 1867. p. 3. (Hud- son river) Physa ancillaria Say. Smith & Prime, An. Lye. N. Y. 1870. 9:380. (Westchester county) Physa ancillaria Say. Lewis, Buf. Soc. Nat. Sci Bui. 2. 1874. p. i 35. (Owasco lake) Physa ancillaria Say. Beauchamp, Onondaga List. 1886. p. 4. (Skaneateles) Physa ancillaria Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:12. (Rochester) Physa heterostropha Say Physa heterostropha Siy. DeKay, Nat. Hist. N. Y. 1843. P-76 Physa cylindrica Newc. DeKay, Nat. Hist. N. Y. 1843. p. 77. (Wayne county) Physa plicata DeK. DeKay, Nat. Hist. N. Y. 1843. p.78. (New York island) Physa aurea Lea. DeKay, Nat. Hist N. Y, 1843. p.8o. (West Point) Physa heterostropha Say. Jay, Cat. 1852. p. 271 Physa plicata DeK. Tryon, Am. Jour. Conch. 1865. 1:165 Physa heterostropha Say. Binney, Smith. Misc. Coll. 143. 1865. 7:84. (Mohawk river) Physa heterostropha Say. Aldrich, Troy List. 1867. p. 3. (Hudson river) Physa heterostropha Say. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Long Island) . Physa heterostropha Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i36 Physa heterostropha Say. Beauchamp, Onondaga List. 1886. p.4 58 NEW YORK STATE MUSEUM Physa heterostropha Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:12. (Rochester) Physa heterostropha Say. Letson, N. Y. State Mus. Bui. 45. 1901. p.245. (Goat island. Post-Pliocene) Physa Integra Haldeman P h y s a n i a g a r e n si s Lea. Lea, Obs. Genus Unio. 1864. 11:129. (Niagara river) Physa niagarensis Lea. Tryon, Am. Jour. Conch. 1865. 1:168. (Niagara river) Physa niagarensis Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 1 36. (Niagara river) Isodora integra Hald. - Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i36 Physa niagarensis Lea. Beauchamp, Onondaga List. 1886. p. 4. (Onondaga lake) Physa niagarensis Lea. Crandall, Naut. 1901. 15:55. (Niagara river) Genus APLEXA Leach Aplexa hypnorum Linnaeus Physa glabra DeK. DeKay, Nat. Hist. N. Y. 1843. p.8o. (Lake Champlain) Physa elongata Say. DeKay, Nat. Hist. N. Y. 1843. P-Sl Physa hypnorum Linn. Jay, Cat. 1852. p 271 Physa elongata Say. Jay, Cat. 1852. p.27i Physa glabra DeK. Tryon, Am. Jour. Conch. 1865. 1:171 Bulinus hypnorum Linn. Binney, Smith. Misc. Coll. 143. 1865. p.99 Physa hypnorum Linn. Aldrich, Troy List. 1867. p4 Bulinus hypnorum Linn. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 136 Bulinus hypnorum Linn. Beauchamp, Onondaga List. 1886. p. 4 Bulinus hypnorum Linn. Walton, Rochester Acad. Sci. Proc. 1892. 2:13. (Pittsford) Subfamily FI^ANORBINAE Genus PLANORBIS Guettard Planorbis campanulatus Say Planorbis campanulatus Say. DeKay, Nat. Hist. N. Y. 1843. p.6i. (Western New York) Planorbis campanulatus Say. Jay, Cat. 1852. p. 267 MOLLUSCA OF NEW YORK 59 Planorbis campanulatus Say. Say, Conch. U. S. ed. by Binney. 1858. p. 64. (Cayuga lake) Planorbis campanulatus Say. Binney, Smith. Misc. Coll. 143. 1865. 7:109. (Little Lakes) Planorbis campanulatus Say. Aldrich, Troy List. 1867. p. 4. (Mohawk river) Planorbella campanulatus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 136 Planorbis campanulatus Say. Beauchamp, Onondaga List. 1886. p.4 Planorbis campanulatus Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:13. (Pittsford) Planorbis trivolvis Say Planorbis tr i v o 1 vi s Say. DeKay, Nat. Hist. N. Y. 1843. p. $9 Planorbis megastoma DeK. DeKay, Nat. Hist. N. Y. 1843. p.6i. (Lake Ontario) Planorbis c o r p u 1 e n t u s Say. DeKay, Nat. Hist. N. Y. 1843. p. 64. (Lake Champlain) Physa planorbula DeK. DeKay, Nat. Hist. N. Y. 1843^.76. (Cohoes falls) Planorbis trivolvis Say. Jay. Cat. 1852. p.268 Planorbis trivolvis Say. Say, Conch. U. S. ed by Binney. 1858. p. 44. (French creek, near Lake Erie) Planorbis trivolvis Say. Binney, Smith. Misc. Coll. 143. 1865. 7:115. (Niagara falls) Planorbis corpulentus Say. Binney, Smith. Misc. Coll. 143. 1865. 7:114 Planorbis trivolvis Say. Aldrich, Troy List. 1867. p. 4 Planorbis trivolvis Say. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Long Island) Helisoma trivolvis Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i36 Planorbis trivolvis Say. Beauchamp, Onondaga List. 1886. p.4 Planorbis trivolvis Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:13. (Charlotte) Planorbis trivolvis lentus Sav Planorbis lentus Say. DeKay, Nat. Hist. N. Y. 1843. p-6o. (Western New York) Planorbis lentus Say. Binney, Smith. Misc. Coll. 143. i80 7:104 60 NEW YORK STATE MUSEUM Planorbis lentus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i36 Planorbis lentus Say. Beauchamp, Onondaga List. 1886. p. 4 Planorbis bicarinatus Say Planorbis bicarinatus Say. DeKay, Nat. Hist. N. Y. 1843. p 60 Planorbis bicarinatus Say. Jay, Cat, 1852. p. 267 Planorbis bicarinatus Say. Binney, Smith. Misc. Coll. 143. 1865. 7:123. (Herkimer county) Planorbis bicarinatus Say. Aldrich, Troy List. 1867. p.4. (Mohawk river) Planorbis bicarinatus Say. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Long Island) Helisoma bicarinatus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i36 Planorbis bicarinatus Say. Beauchamp, Onondaga List. 1886. P-4 Planorbis bicarinatus Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:13 (Rochester) Planorbis bicarinatus Say. Letson, N. Y. State Mus. Bui. 45. 1901. p.245. (Goat island. Post- Pliocene) Planorbis exacutus Say Planorbis exacutus Say. DeKay, Nat. Hist. N. Y. 1843. p.63. Planorbis exacutus Say. Jay, Cat. 1852. p 267 Planorbis exacutus Say. Say, Conch. U. S. ed. by Binney. 1858. p.64 (Lake Champlain) Planorbis exacutus Say. Binney, Smith. Misc. Coll. 143. 1865. 7:126. (Lake Champlain) Pianorbis exacutus Say. Aldrich, Troy List. 1867. p.4. (Hud- son river) Planorbis exacutus Say. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Long Island) Menetus exacutus Say. Lewis, Buf. Soc. Nat Sci. Bui. 2. 1874. p.i36 P 1 an or bis exacutus Say. Beauchamp, Onondaga List. 1886. p.4 Planorbis deflectus Say Planorbis de fl ectus Say. DeKay, Nat. Hist. N. Y. 1843. p.6$ Planorbis obliquus DeK. DeKay, Nat. Hist. N. Y. 1843. p. 62. (Mohawk river) MOLLUSCA OF NEW YORK 6l Planorbis deflect us Say. Binney, Smith. Misc. Coll. 143. 1865. 7:129 Planorbis deflectus Say. Aldrich, Troy List. 1867. p 4. (Mohawk river) Gyraulus deflectus Say. Lewis, Buf. Soc. Nat. Sci. Bui 2. 1874 p 136 Planorbis d ef 1 e c t us Say. Beauchamp, Onondaga List. 1886. p. 4 Plan "F bis deflectus Say. W-lton, Rochester Acad Sci Proc. 1892. 2:1 3. (Brightoi ) Planorbis dilatatus Gould Planorbis dilatatus Gld. DeKay, Nat. Hist N Y. 1813. p.66 Planorbis dilatatus Gld. Binney, Smith. Mi>c. Coll. 143. 1865. 7'1!1 P 1 an orb is dilatatus Gld. Smith & Prime, An. Lye. N. Y. 1870. 9:^02. (Long Island) Gyraulus dilatatus Gld. Lewis, Buf Soc. Nat. Sci. Bui. 2. 1874. p.i36 Planorbis dilatatus Gld. Beauchamp, Onondaga Li^t. 1886. P-4 Planorbis albus Miiller Planorbis hirsutusGld. DeKay, Nat, Hist. N. Y. 184.3. P-64 Planorbis albus Mull. Binney, Smith Misc. Coll. 143. 1865. 7:132 Gyraulus albus Mull. Lewis, Buf. Soc. Nat. Sci. Bui. 2 1874. p.i36 Planorbis albus Mull. Beauchamp, Onondaga List 1886. p.4 Planorbis parvus Say Planorbis parvus Say. DeKay, Nat. Hist N. Y. 1843. p.63- (Mohawk river) Planorbis el eva t us Ads. DeKay, Nat. Hist. N. Y. 1843. P-65 Planorbis parvus Say. Jay, Cat. 1852. p.268 Planorbis parvus Say. Binney, Smith. Misc. Coll. 143. 1865. 7:133. (Mohawk river) Planorbis parvus Gld. Aldrich, Troy List. 1867. p.4. (Mohawk river) Planorbis parvus Say. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Long Island) Gyraulus parvus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i36 Planorbis parvus Say. Beauchamp, Onondaga List. 1886. p.4 62 NEW YORK STATE MUSEUM Planorbis parvus Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:13. (Charlotte) Planorbis parvus Say. Letson, N. Y. State Mus. Bui. 45. 1901. p.245. (Goat island. Post-Pliocene) Genus SEGMENTINA Fleming Segmentina armigera Say Planorbis armigerus Say. DeKay, Nat. Hist. N. Y. 1843. P-^2 Planorbis armigerus Say. Jay, Cat. 1852. p. 267 Segmentina armigera Say. Binney, Smith. Misc. Coll. 143. 1865. 7:137 Planorbis armigerus Say. Aldrich, Troy List. 1867. p. 4. (Mohawk basin) Planorbis armigerus Say. Smith & Prime, An. Lye. N. Y. 1870. 9:402. (Long Island) Planorbula armigera Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 136 Segmentina armigera Say. Beauchamp, Onondaga List. 1886. P-4 Segmentina armigera Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:13. (Brighton) Subfamily ANCYLINAE Genus ANCYLUS Geoffrey Ancylus fuscus Adams Ancylus fuscus Ads. DeKay, Nat. Hist. N. Y. 1843. p. 13 Ancylus fuscus Ads. Binney, Smith. Misc. Coll. 143. 1865. 7:140 Ancylus fuscus Ads. Smith & Prime, An. Lye. N. Y. 1870. 9:399. (Long Island) Ancylus fuscus Ads. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P-'37 Ancylus parallelus Haldeman Ancylus parallelus Hald. Binney, Smith. Misc. Coll. 143. 1865. 7:142 Ancylus parallelus Hald. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i37 Ancylus parallelus Hald. Beauchamp, Onondaga List. 1886. P5 Ancylus parallelus Hald. Walton, Rochester Acad. Sci. Proc. 1892. 2:13. (Charlotte) MOLLUSCA OF NEW YORK 63 Ancylus rivularis Say Ancylus rivularis Say. DeKay, Nat. Hist. N. Y. 1843. p. 12 Ancylus rivularis Say. Binney, Smith. Misc. Coll. 143. 1865. 7:142 Ancylus rivularis Say. Beauchamp, Onondaga List. 1886. p. 4 Ancylus rivularis Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:13. (Genesee river) Ancylus tardus Say Ancylus tardus Say. Binney, Smith. Misc. Coll. 143. 1865. 7:143. (Mohawk river) Ancylus tardus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 137. (Little Lakes) Ancylus tardus Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:13. (Irondequoit) Ancylus calcarius DeKay Ancylus calcarius DeK. DeKay, Nat. Hist. N. Y. 1843. p. 13 Ancylus calcarius DeK. Binney, Smith. Misc. Coll. 143. 1865. P-H3 Ancylus borealis Morse Ancylus borealis Morse. Binney, Smith. Misc. Coll. 143. 1865. 7:156. (Patten) Genus GUNDLACHIA Pfeiffer Gundlachia stimpsoniana Smith Gundlachia stimpsoniana Smith. Smith & Prime, An. Lye. N. Y. 1870. 9:399. (Long Island) Gundlachia sp. Gundlachia sp. J. M. Clarke, Am. Jour. Sci. 1882. ser. 3. 23:248. (Canandaigua) Class POLYPLACOPHORA Family ISCHNOCHITONIDJVE^ Genus CHAETOPLEURA Shuttleworth Chaetopleura apiculata Say Chiton apiculatus Say. DeKay, Nat. Hist. N. Y. 1843. p.i64 Chiton apiculatus Say. Jay, Cat. 1852. p.97 Chiton apiculatus Say. Smith & Prime, An. Lye. N. Y. 1870. 9:392 Chaetopleura apiculata Say. Tryon, Man. Conch. 1892. 64 NEW YORK STATE MUSEUM Genus TRACHYDERMON Carpenter Trachydermon albus Linnaeus Chiton albus Linn. DeKay, Nat. Hist. N. Y. 1843. p. 163 Chiton albus Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:392 Ischnochiton albus Linn. Tryon, Man. Conch. 1892. 14:70 Class PELECYPODA Order SIPHONIDA Suborder SINUPALLIATA Family TEREDIDAE Genus TEREDO Linnaeus Teredo navalis Linnaeus Teredo navalis Linn. DeKay, Nat. Hist. N. Y. 1843. P-249 Teredo dilatata Stimpson Teredo dilatata St. Smith & Prime, An. Lye. N. Y. 1870. 9:391. (Greenport) Family Subfamily Genus PHOLAS Linnaeus Pholas costata Linnaeus Pholas truncata Say. DeKay, Nat. Hist. N. Y. 1843. p.248. (Westchester and Richmond counties) Pholas truncata Say. Jay, Cat. 1852. p,io Pholas costata Linn. Jay, Cat. 1852. p.io P hoi as truncata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:391. (Rockaway) Pholas costata Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:39J Genus ZIRFAEA Leach Zirfaea crispata Linnaeus Pholas crispata Linn. DeKay, Nat. Hist. N. Y. 1843. P-247- (Long Island) Pholas crispata Linn. Smith & Prime, An. Lye. N. Y. 1870. Family Genus ENSIS Schumacher Ensis directus Conrad Solen en sis Linn. DeKay, Nat. Hist. N. Y. 1843. P-242 Solen ensis Linn. Jay, Cat. 1852. p.n Solen vagina Linn. Jay, Cat. 1852. p.ii MOLLUSCA OF NEW YORK 65 Solen siliqua Linn. Jay, Cat. 1852. p.n Solen ensis Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:389 Ensis directus Conr. Ball, Nat. Mus. Proc. 1900. 22:107 Genus SILIQUA Megerle Siliqua costata Say Machaera costata Say. DeKay, Nat. Hist. N. Y. 1843. p. 244 Machaera costata Say. Jay, Cat. 1852. p.i2 Machaera costata Gld. Smith & Prime, An. Lye. N. Y. 1870. 9:389. (Coney Island, Rockaway, East Hampton) Siliqua costata Say. Dall, Nat. Mus. Proc. 1900. 22:108 Family Subfamily Genus TAGELUS Gray Tagelus gibbus Spengl Solecurtus caribaeus Lam, DeKay, Nat. Hist. N. Y. 1843. p. 243. (Westchester county) Solecurtus caribaeus Lam. Jay, Cat. 1852. p.i2. (West- Chester county) Solecurtus gibbus F. & H. Smith & Prime, An. Lye. N. Y. 1870. 9:389. (Long Island) Tagelus divisus Spengl. Solecurtus bidens F. & H. Smith & Prime, An. Lye. N. Y. 1870. 9:389 Family SAXICAVIDAE Genus SAXICAVA Fleuriau Saxicava arctica Linnaeus Saxieava distort a Say. DeKay, Nat. Hist. N. Y. 1843. p. 227. (Long Island) Saxicava pholadis var. Lam. Jay, Cat. 1852. p.22 Saxicava arctica Desh. Smith & Prime, An. Lye. N. Y. 1 870. 9:390. (Long Island sound) Family IMYACIDAE Genus MYA Linnaeus Mya arenaria Linn. Mya arenaria Linn. DeKay, Nat. Hist. N. Y. 1843. p.24o. (Long Island sound) Mya arenaria Linn. Jay, Cat. 1852. p. 13 Mya arenaria Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:390 66 NEW YORK STATE MUSEUM Family Genus CORBULA Lamarck Corbula contracta Say Corbula contracta Say. DeKay, Nat. Hist. N. Y. 1843 p. 241. (Long Island sound) Cor bula con tracta Say. Smith & Prime, An L\c. N. Y 1870. 9:390 Family ANATINIDAE Genus PANDORA Brugmere Pandora trilineata Say Pandora trilineata Say. DeKay, Nat. Hi>t. N. Y. 1845. p. 239. (Long Island sound) Pandora trilineata Say. Jay, Cat. 1852. p. 15 Pandora trilineata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:390. (Montauk point) Genus THRACIA Leach Thracia conradi Couthouy Thracia conradi Couth. DeKay, Nat. Hist. N. Y. 1843. P-237- (Long Island sound) Thracia conradi Couth. Smith & Prime, An. Lye. N. Y. 1870. 9:390. (Greenport) Thracia truncata Mighels Thracia truncata Migh. Smith & Prime, An. Lye. N. Y. 1870. 9;39° Genus COCHLODESMA Couthouy Cochlodesma leana Conrad Cochlodesma lean a Conr. DeKay, Nat. Hist. N. Y. 1843^.236 Cochlod esma leana Conr. Jay, Cat. 1852. p.i6 Cochlodesma leanum Migh. Smith & Prime, An. Lye. N. Y, 1870. 9:390 Genus LYONSIA Turton Lyonsia hyalina Conrad Osteodesma hyalina Conr. DeKay, Nat. Hist. N. Y. 1843. p. 234 O s t eod esma h y al in a Conr. Jay, Cat. 1852. p.i6 Lyonsia hyalina Conr. Smith & Prime, An. Lye. N. Y 1870 9:390. (Greenport; MOLLUSCA OF NEW YORK 67 Genus ANATINA Lamarck Anatina papyracea Say Anatinapapyracea Say. DeKay, Nat. Hist. N. Y. 1843. p.235 Anatina papyracea Say. Smith & Prime, An. Lye. N. Y. 1870. 9:389. (Gardiner's bay) Family Subfamily Genus SPISULA Gray Spisula solidissima Chemnitz Mactra solidissima Chem. DeKay, Nat. Hist. N. Y. 1843. p.229- (Long Island sound) Mactra gigantea Lam. Jay, Cat. 1852. p.i9 Mactra solidissima Chem. Jay, Cat. 1852. p. 19 Mactra solidissima Chem. Smith & Prime, An. Lye. N. Y. 1870. 9:388 Genus MULINIA Gray Mulinia lateralis Say Mactra lateralis Say. DeKay, Nat. Hist. N. Y. 1843 p.23o. (Westchester county) Mactra lateralis Say. Jay, Cat. 1852. p. 19 Mactra lateralis Say. Smith & Piime, An. Lye. N. Y. 1870. 9:388. (Long Island sound) Family SICIVIELIDAE: Genus CUMINGIA Sowerby Cumingia tellinoides Conrad Cumingia tellinoides Conr. DeKay, Nat. Hist. N. Y. 1843. P-233 Cumingia tellinoides Conr. Smith & Prime, An. Lye. N. Y. 1870. 9:388. (Montauk point) Family XELLINID.A.E: Genus TELLINA Lamarck Tellina (Angulus) tenera Say Tellin a tenera Say. DeKay, Nat. Hist. N. Y. 1843.^.209 Tellina tenera Say. Smith & Prime, An. Lye. N. Y. 1870. 9:389 Tellina tenera Say. Stimpson, New Eng. Shells. 1851. p.2i Tellina (Angulus) tenera Say. Dall, Nat. Mus. Proc. 1901. 23^95 68 NEW YORK STATE MUSEUM Tellina (Angulus) tenella Verrill Tellina (Angulus) tenella Ver. Dall, Nat. Mus. Proc. 1901. 23:295 Tellina (Angulus) versicolor Cozzens Tellina versicolor Coz. DeKay, Nat. Hist. N. Y. 1843. p. 209. (Hudson river) Tellina versicolor Coz. Stimpson, New Eng. Shells. 1851. p.2i. (Long Island sound) Tellina (Angulus) versicolor Coz. Dall, Nat. Mus. Proc. 1901. 23:295 Tellina (Scissula) iris Say Tellina iris Say. Jay, Cat. 1852. p. 26 Tellin a (Scissula) iris Say. Dall, Nat. Mus. Proc. 1901. 23:297 Genus MACOMA Leach Macoma balthica Linnaeus Sanguinolaria fusca Say. DeKay, Nat. Hist. N. Y. 1843. p.2i2. (Long Island sound) Psammobia fusca Say. Jay, Cat. 1852. p. 24 Tellina fusca Say. Jay, Cat. 1852. p. 26 Tellina fusca Say. Smith & Prime, An. Lye. N. Y. 1870. 9:389. (Greenport) Macoma balthica Linn. Dall, Nat. Mus. Proc. 1901. 23:298 Macoma calcarea Gmelin Sanguinolaria sordida Couth. DeKay, Nat. Hist. N. Y. 1843. p.2i3 Macoma calcarea Gmel. Dall, Nat. Mus. Proc. 1901. 23:299. (Long Island sound) Macoma tenta Say Tellina tenta Say. DeKay, Nat. Hist. N. Y. 1843. p.2io Tellina tenta Say. Smith & Prime, An. Lye. N. Y. 1870. 9:389. (Greenport) Macoma tenta Say. Dall, Nat. Mus. Proc. 1901. 23:299 Subfamily DONACINAE Genus DONAX Linnaeus Donax fossor Say Donax fossor Say. DeKay, Nat. Hist. N. Y. 1843. p.2ii Donax fossor Say. Jay, Cat. 1852. p. 31 Donax fossor Say. Smith & Prime, An. Lye. N. Y. 1870. 9:388. (Long Island sound) MOLLUSCA OF NEW YORK 69 Family Genus PETRICOLA Lamarck Petricola dactylus Sowerby Petricola dactylus Sow. DeKay, Nat. Hist. N. Y. 1843. p. 228. (Glasshouse point) Petricola dactylus Say. Smith & Prime, An. Lye. N. Y. 1870. 9:390 Petricola pholadiformis Lamarck Petricola pholadiformis Lam. DeKay, Nat. Hist. N. Y. 1843. p. 228. (Long Island sound) Petricola pholadiformis Lam. Jay, Cat. 1852. p.23 Petricola pholadiformis Lam. Smith & Prime, An. Lye. N. Y. 1870. 9:390 Family Subfamily Genus VENUS Linnaeus Venus mercenaria Linnaeus Venus mercenaria Linn. DeKay, Nat. Hist. N. Y. 1843. p. 217. (Long Island sound) (?) Venus praeoparea Say. DeKay, Nat. Hist. N. Y. 1843. p.2i9 Venus mercenaria Linn. Jay, Cat. 1852. p. 40 Venus mercenaria Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:388 Venus mercenaria notata Say Venus mercenaria var. notata Say. DeKay, Nat. Hist. N. Y. 1843. p. 218. (Long Island sound) Venus notata Say. Jay, Cat. 1852. p. 41 Venus notata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:388. Genus MERETRIX Lamarck Meretrix convexa Say Cytherea convexa Say. DeKay, Nat. Hist. N. Y. 1843^.216. (Long Island sound) Cytherea convexa Say. Stimpson, New Eng. Shells. 1851. p. 19. (Long Island sound) Cytherea convexa Say. Jay, Cat. 1852. p. 35 Cytherea convexa Say. Smith & Prime, An. Lye. N. Y. 1870. 9:388. (New York bay, East Hampton and Montauk) Meretrix convexa Say. Dall, Zittel, Text-book Pal. 1900. P-4'5. 70 NEW YORK STATE MUSEUM Subfamily Genus GEMMA Deshayes Gemma gemma Totten Venus gemma Tott. DeKay, Nat. Hist. N. Y. 1843. p.2i8. (East river) Venus gemma Tott. Jay, Cat. 1852. p. 40 Venus gemma Tott. Smith & Prime, An. Lye. N. Y. 1870. 9:388 Gemma gemma manhattensis Prime Venus manhattensis Prime. Jay, Cat. 1 85 2. p. 466 Venus manhatcensis Prime. Prime, Pamph. 1862. (East river) Venus manhattensis Prime. Smith & Prime, An. Lye. N. Y. 1870. 9:388. (Hell Gate, Huntington and Greenport) Suborder INTEGRIPALLIATA Family CYRENIDAE Genus SPHAERIUM Scopoli Sphaerium simile Say Cyclas similis Say. DeKay, Nat. Hist. N. Y. 1843. p.222, (Orleans county) Sphaerium sulcatum Lam. Prime, Monogr. 1862. p.^ Sphaerium sulcatum Lam. Prime, List. 1863. p. 8. (Wash- ington county) Sphaerium sulcatum Lam. Prime, Smith. Misc. Coll. 145, 1865. 7:33 Sphaerium sulcatum Lam. Aldrich, Troy List. 1867. p. 2, (Mohawk river) Sphaerium simile Say. Smith & Prime, An. Lye. N. Y. 1 870. 9:380. (Westchester county) Sphaerium simile Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874, P-*39 Sphaerium simile Say. Beauchamp, Onondaga List. 1886. p. 6 Sphaerium similis Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:18. (Erie canal) Sphaerium simile Say. Sterki, Ms. 1902 Sphaerium rhomboideum Say Cyclas rhomboid ea Say. DeKay, Nat. Hist. N. Y. 1843, p.224. (Rockland county) Cyclas elegans Ads. DeKay, Nat. Hist. N, Y. 1843. p.224. (Lake Champlain) MOLLUSCA OF NEW YORK /I Cyclas rhomboidea Say. Say, Conch. U. S. ed. by Binney. 1858. p.m. (Lake Champlain) Sphaerium rhomboideum Say. Prime, Monogr. 1862. p. 7 Sphaerium rhomboideum Say. Prime, List. 1 863. p. 9. (Washington county) Sphaerium rhomboideum Say. Prime, Smith. Misc. Coll. 145 . 1865. 7:39 Sphaerium rhomboideum Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 139 Sphaerium striatinum Lamarck Cyclas edentula Say. DeKay, Nat. Hist. N. Y. 1843. P-225- (Canandaigua lake) Cyclas edentula Say. Say, Conch. U. S. ed. by Binney. 1858. p. 137. (Canandaigua lake) Sphaerium striatinum Lam. Prime, Monogr. 1862. p.6 Sphaerium striatinum Lam. Prime, List. 1863. p. 9. (St Lawrence river) Sphaerium striatinum Lam. Prime, Smith. Misc. Coll. 145. 1865. 7:37 Sphaerium striatinum Lam. Aldrich, Troy List. 1867. p. 2. (Mohawk river) Sphaerium striatinum Lam. Smith & Prime, An. Lye. N. Y. 1870. 9:380. (Westchester county) Sphaerium striatinum Lam. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i39 Sphaerium striatinum Lam. Beauchamp, Onondaga List. 1886. p.6 Sphaerium striatinum Lam. Letson, N. Y. State Mus. Bui. 45. 1901. p. 246. (Goat island. Post-Pliocene) Sphaerium solidulum Prime Sphaerium solidulum Prime. Prime, Monogr. 1862. p.5 Sphaerium solidulum Prime. Prime, List. 1863. p. 9. (Herkimer county) Sphaerium solidulum Prime. Prime, Smith. Misc. Coll. 145 . 1865. 7:36 Sphaerium solidulum Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2 . 1874. p.i39 Sphaerium solidulum Prime. Beauchamp, Onondaga List. 1886. p.6 72 NEW YORK STATE MUSEUM Sphaerium vermontanum Prime Sphaerium vermontanum Prime. Prime, Monogr. 1862. p-9. (Lake Champlain) Sphaerium vermontanum Prime. Prime, List. 1863. p.io. (Lake Champlain) Sphaerium occidentale Prime Sphaerium occidentale Prime. Prime, Monogr. 1862. p. 8 Sphaerium occidentale' Prime. Prime, List. 1 863. p. i o. (Herkimer county) Sphaerium occidentale Prime. Prime, Smith. Misc. Coll. 145. 1865. 7:41 Sphaerium occidentale Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Sphaerium occidentale Prime. Beauchamp, Onondaga List. 1886. p.6 Sphaerium fabale Prime Sphaerium fa balis Prime. Prime, Monogr. 1862. p.8 Sphaerium fabalis Prime. Prime, List. 1863. p.io. (Greenwich) Sphaerium fabalis Prime. Prime, Smith. Misc. Coll. 145. 1865. 7:40 Sphaerium fabale Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140. (Wayne and Herkimer counties) Sphaerium fabale Prime. Beauchamp, Onondaga List. 1886. p.6 Sphaerium stamineum Conrad Sphaerium stamineum Conr. Beauchamp, Onondaga List. 1886. p6 Sphaerium stamineum Conr. Letson, N. Y. State Mus. Bui. 45. 1901. p. 246. (Goat island. Post-Pliocene) Family CYCLADIDAB Genus CALYCULINA Clessin Calyculina transversa Say Sphaerium transversum Say. Prime, Monogr. 1862. p.i3 Sphaerium transversum Say. Prime, List. 1863. p.n, (Herkimer county) Sphaerium transversum Say. Prime, Smith. Misc. Coll. 145. 1865. 7:48 MOLLUSCA OF NEW YORK 73 Sphaerium transversum Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4o Sphaerium transversum Say. Beauchamp, Onondaga List. 1886. p.6. (Erie canal) Calyculina partumeia Say Cyclas partumeia Say. DeKay, Nat. Hist. N. Y. 1843. P-223 Sphaeri um partumium Say. Prime, Monogr. 1862. p.n Sphaerium partumeium Say. Prime, List. 1863. p.io. (Lake George, Erie canal) Sphaerium partumeium Say. Prime, Smith. Misc. Coll. 145. 1865. p.45 Sphaerium partumeium Say. Smith & Prime, An. Lye. N. Y. 1870. 9:386. (Long Island) Sphaerium partumeium Say. Lewis, Buf. Soc. Nat. Sci. Bui. 1874. 2:140 Sphaerium partumeium Say. Beauchamp, Onondaga List. 1886. p.6 Sphaerium partumeium Say. Walton, Rochester Acad. Sci. Proc. 2. 1892. p.i8. (Genesee river) Calyculina partumeia Say. Sterki, Naut. 1902. 16:92 Calyculina truricata Linsley Sphaerium truncatum Lins. Prime, Monogr. 1862. p. 17 Sphaerium truncatum Lins. Prime, List. 1863. p.n. (Lake Champlain) Sphaerium truncatum Lins. Prime, Smith. Misc. Coll. 145. 1865. 7:51 Sphaerium truncatum Lins. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4o Sphaerium truncatum Lins. Beauchamp, Onondaga List. 1886. p.6 Calyculina truncata Lins. Sterki, Naut. 1902. 16:92 Calyculina rosacea Prime Sphaerium rosaceum Prime. Prime, Smith. Misc. Coll. 145. 1865. 7:50 Sphaerium rosaceum Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Calyculina rosacea Prime. Sterki, Naut. 1902. 16:92 74 NEW YORK STATE MUSEUM Calyculina securis Piime Sphaerium securis Prime. Prime, Monogr. 1862. p.i6 Sphaerium securis Prime. Prime, List. 1 863. p. 1 1 . (Staten Island) Cyclas crocea Lewis. Prime, List. 1863. p.n. (Otsego county) Sphaerium securis Prime. Prime, Smith. Misc. Coll. 145. 1865. 7:49 Sphaerium securis Prime. Aldrich, Troy List. 1867. p. 2. (Mohawk basin) Sphaerium securis Prime. Smith & Prime, An. Lye. N. Y. 1870. 9:386. (Long Island) Sphaerium secur.e Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Sphaerium croceum Lewis. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 1 40. (Herkimer county) Sphaerium secure Prime. Beauchamp, Onondaga List. 1886. p. 6 Calyculina securis Prime. Sterki, Naut. 1902. 16:93 Genus PISIDIUM Pfeiffer Pisidium abditum Haldeman Pisidium abditum Hald. Prime, List. 1863. p.i4- (Herkimer county, Buffalo) Pisidium notatum Prime. Prime, List. 1863. p. 15. (Green- wich) Pisidium resartum Ingalls. Prime, List. 1863. p. 15. (Green- wich) Pisidium rubrum Lewis. Prime, List. 1863. p. 15. (Herkimer county) Pisidium plenum Lewis. Prime, List. 1863. p. 15. (Otsego county) Pisidium abditum Hald. Prime, Smith. Misc. Coll. 145. 1865. 7:68 Pisidium abditum Hald. Smith & Prime, An. Lye. N. Y. 1870. 9:386. (Long Island) Pisidium abditum Hald. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Pisidium abditum Hald. Beauchamp, Onondaga List. 1886. p. 6 Pisidium abditum Hald. Letson, N. Y. State Mus. Bui. 45. 1901. p. 247. (Goat island. Post- Pliocene) MOLLUSCA OF NEW YORK 75 Pisidium virginicum Bourguignat Cyclas dubia Say. DeKay, Nat. Hist. N. Y. 1843. P-223- (Lake George) Pis idium virginicum Bourg. Prime, List. 1863. p.i3. (Hud- son river, Buffalo) Pisidium virginicum Bourg. Prime, Smith. Misc. Coll. 145. 1865. 7:61 Pisidium virginicum Bourg. Aldrich, Troy List. 1867. p. 3. (Hudson river) Pisidium virginicum Bourg. Smith & Prime, An. Lye. N. Y. 1870. 9:380. (Westchester county) Pisidium virginicum Bourg. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Pisidium virginicum Bourg. Beauchamp, Onondaga List 1886. p.6 Pisidium virginicum Gmel. Carpenter, Naut. 1901. 15:132 Pisidium virginicum Bourg. Letson, N. Y. State Mus. Bui. 45. 1901. p. 247. (Goat island. Post-Pliocene) Pisidium novi-eboracense Prime Pisidium nov. eboracense Piime. Prime, List. 1863. p.i4. (Herkimer and Otsego counties) Pisidium nov-eboracense Prime. Prime, Smith. Misc. Coll. 145. 1865, 7:67 Pisidium nov. eboracense Prime. Smith & Prime, An. Lye. N. Y. 1870. 9:380. (Westchester county) Pisidium novi-eboracense Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Pisidium noveboracense Prime. Beauchamp, Onondaga List. 1886. p.6 Pisidium ventricosum Prime Pisidium ventricosum Prime. Prime, List. 1863. p.i5« (Herki- mer and Otsego counties) Pisidium ventricosum Prime. Prime, Smith. Misc. Coll. 145. 1865. 7:72 Pisidium ventricosum Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Pisidium aequilaterale Prime Pisidium aequilaterale Prime. Prime, List. 1863. p. 14. (Hud- son river) OF THE UNIVERSITY OF 76 NEW YORK STATE MUSEUM Pisidium aequilaterale Prime. Prime, Smith. Misc. Coll. 145. 1865. 7:63 Pisidium aequilaterale Prime. Smith & Prime, An. Lye. N. Y. 1870. 9:380. (Westchester county) Pisidium aequilaterale Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Pisidium compressum Prime Pisidium compressum Prime. Prime, List. 1863. p. 14. (Herkimer and Otsego counties) Pisidium compressum Prime. Prime, Smith. Misc. Coll. 145. 1865. 7:64 Pisidium compressum Prime. Aldrich, Troy List. 1867. p. 3. (Mohawk river) Pisidium compressum Prime. Smith & Prime, An. Lye. N Y. 1870. 9:380. (Westchester county) Pisidium compressum Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 • Pisidium compressum Prime. Beauchamp, Onondaga List. 1886. p.6 Pisidium compressum Prime. Letson, N. Y. State Mus. Bui. 45. 1901. p. 247. (Goat island. Post-Pliocene) Pisidium ferrugineum Prime Pisidium ferrugineum Prime. Prime, List. 1863. p. 15. (Herki- mer county) Pisidium ferrugineum Prime. Prime, Smith. Misc. Coll. 145. 1865. 7:71 Pisidium ferrugineum Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Pisidium ferrugineum Prime. Beauchamp, Onondaga List. 1886. p.6 Pisidium variabile Prime Pisidium variabile Prime. Prime, Smith. Misc. Coll. 145. 1865. 7:66 Pisidium variabile Prime. Smith & Prime, An. Lye. N. Y. 1870. 9:386. (Long Island) Pisidium variabile Prime. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Pisidium variabile Prime. Beauchamp, Onondaga List. 1886, p.6 Pisidium variabile Prime. Walton, Rochester Acad. Sci. Proc. 1892. 2:18. (Monroe county) MOLLUSCA OF NEW YORK 77 Pisidium affine Sterki Pisidium affine Stk. Sterki, Naut. 1901. 15:66 Pisidium sargenti Sterki Pisidium sargenti Stk. Sterki, Naut. 1901. 15:67. (Mohawkriver) Pisidium strengii Sterki Pisidium strengii Sik. Sterki, Naut. 1901. 15:126. (Little Lakes) Pisidium streatori Sterki Pisidium streatori Stk. Sterki, Naut. 1901. 14:100. (Cana- saraga river) Pisidium punctatum Sterki Pisidium punctatum Stk. Sterki, Ms. Nov. 1901. (Herkimer county) Pisidium pauperculum Sterki Pisidium paupercul urn Stk. Sterki, Ms. 1901 Pisidium walked Sterki Pisidium walkeri Stk. . Sterki, Ms. 1901. (Mohawkriver) Pisidium roperi Sterki Pisidium roperi Stk. Sterki, Ms. 1901 Pisidium rotundatum Sterki Pisidium rotundatum Stk. S'.erki, Ms. 1901 Pisidium splendidulum Sterki Pisidium splendidulum Stk. Sterki, Ms. 1901. (Long Island) Pisidium scutellatum Sterki Pisidium scutellatum Stk. Sterki, Ms. 1901. (Chautauqua lake) Pisidium scutellatum Stk. Letson, N. Y. State Mus. Bui. 45. 1901. p.248. (Goat island. Post-Pliocene) Pisidium medianum Sterki Pisidium medianum S'k. Sterki, Ms. 1901. (Mohawk) Pisidium ultramontanum Prime Pisidium ultramontanum Prime. Letson, N. Y. State Mus. Bui. 45. 1901. p.248. (Goat island. Post-Pliocene) Genus CYCLAS Bruguiere Cyclas islandica Linnaeus Cyprina islandica Linn. DeKay, Nat. Hist. N. Y. 1843. p. 21 5 Cyprina islandica Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:387. (Montauk point) 78 NEW YORK STATE MUSEUM Family Genus CARDIUM Lamarck Cardium (Cerastoderma) pinnulatum Conrad Cardium pinnatulum Conr. DeKay, Nat. Hist. N. Y. 1843. p 205. (Long Island sound) Cardium pinnulatum Conr. Smith & Prime, An. Lye. N. Y. 1870. 9:387. (Long Island sound) Cardium (Cerastoderma) pinnulatum Conr. Dall, Nat. Mus. Proc. 1901. 23:386 Cardium (Cerastoderma) ciliatum Fabricius Cardium islandicum Linn. DeKay, Nat. Hist. N. Y. 1843. p.2o6 Cardium (Cerastoderma) ciliatum Fab. Dall, Nat. Mus. Proc. 1901. 23:386 Cardium (Laevicardium) mortoni Conrad Cardium m or ton i Conr. DeKay, Nat. Hist. N. Y. 1843. p.207- (Long Island sound) Cardium mortoni Conr. Jay, Cat. 1852. p. 45 Cardium mortoni Conr. Smith & Prime, An. Lye. N. Y. 1870. 9:387 Cardium (Laevicardium) mortoni Conr. Dall, Nat. Mus. Proc. 1901. 23:388 Genus SERRIPES Beck Serripes gronlandicus Gmelin Cardium groenlandicum Gmel. DeKay, Nat. Hist. N. Y. 1843. p.2o6 Serripes gronlandicus Gmel. Dall, Nat. Mus. Proc. 1901. 23:388 Family LUCIIVIDAE: Genus PHACOIDES Blainville Phacoides filosus Stimpson Lucina filosa St. Carpenter, Naut. 1902. 15:17 Genus DIVARICELLA von Martens Divaricella quadrisulcata d'Orbigny Lucina strigilla St. Smith & Prime, An. Lye. N. Y. 1870. 9:387. (Coney Island) Divaricella quadrisulcata d'Orb. Dali, Nat. Mus. Proc. 1901. 23:815 MOLLUSCA OF NEW YORK 79 Subgenus LUCINELLA Monterosato Lucinella divaricata Linnaeus Lucina divaricata Linn. DeKay, Nat. Hist. N. Y. 1843. p.2i4 Lucinella divaricata Linn. Dall, Nat. Mus. Proc. 1901. 23:815 Family ERYCINIDAE Genus MONTACUTA Turton Montacuta bidentata Montagu Montacuta b i d e n t a t a Mont. Verrill, Nat. Mus. Proc. 1898. 20:779. (Long Island sound) Montacuta elevata Stimpson Montacuta elevata St. Smith & Prime, An. Lye. N. Y. 1870. 9:386. (Greenport) Genus KELLIA Turton Kellia planulata Stimpson Kellia p 1 a n u 1 a t a St. Stimpson, New Eng. Shells. 1851. p. 17 Kellia planulata St. Smith & Prime, An. Lye. N. Y. 1870. 9:386. (Montauk) Family SOLEMYIDAIS Genus SOLEMYA Lamarck Solemya velum Say Solemya velum Say. DeKay, Nat. Hist. N. Y. 1843. p.245« (Long Island sound) Solemya velum Say. Jay, Cat. 1852. p. 13 Solemya velum Say. Smith & Prime, An. Lye. N. Y. 1870. 9:389. (Greenport) Family CRASSATELLIDAE Genus ERYPHYLA Gabb Eryphyla lunulata Conrad Astarte lunulata Conr. Smith & Prime, An. Lye. N. Y. 1870. 9:387 Family ASXARTIDAE Genus ASTARTE Sowerby Astarte castanea Say Astarte castanea Say. DeKay, Nat. Hist. N. Y. 1843. P-220. (Long Island sound) Astarte castanea Say. Jay, Cat. 1852. p. 34 Astarte castanea Say. Smith & Prime, An. Lye. N. Y. 1870. 9:387. (Sandy Hook) 8o NEW YORK STATE MUSEUM Astarte sulcata Montague Astarte sulcata Mont. DeKay, Nat. Hist. N. Y. 1843. P-22I. (Long Island sound) Astarte sulcata Flem. Smith & Prime, An. Lye. N. Y. 1870. 9:387 Subfamily CARDIXINAE Genus VENERICARDIA Lamarck Venericardia borealis Conrad Cardita borealis Conr. DeKay, Nat. Hist. N. Y. 1843. P-204. (Long Island sound) Cardita borealis Conr. Smith & Prime, An. Lye. N. Y. 1870. 9:387. (Gardiner's bay) Older ASIPHONIDA Suborder HOMOMYARIA Family UNIONIDA.E Genus TRUNCILLA Rarinesque Truncilla triquetra Rafinesque Unio triangularis Barnes. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4i Truncilla triquetra Raf. Simpson, Nat. Mus. Proc. 1900. 22:517 Genus MICROMYA Agassiz Micromya fabalis Lea Micromya fabalis Lea. Simpson, Nat. Mus. Proe. 1900. 22:525 Genus LAMPSILIS Rafinesque Lampsilis ventricosus Barnes Unio ventricosus Barnes. DeKay, Nat. Hist. N. Y. 1843. p. 190. (Lake Champlain) Unio occi dens Lea. Lewis, Buf. Soc Nat. Sci. Bui. 2. 1874. p.i4i Unio ventricosus Barnes. Beauchamp, Onondaga List. 1886. p. 7. (Seneca river) Unio occidens Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:16. (Erie canal) Lampsilis ventricosus Barnes. Simpson, Nat. Mus. Proc. 1900. 22:526 Lampsilis cariosus Say Unio cariosus Say. DeKay, Nat. Hist. N. Y. 1843. p.193- (Hudson river) Unio cariosus Say. Aldrich, Troy List. 1867. p.i. (Mohawk and Hudson rivers, Erie canal) MOLLUSCA OF NEW YORK 8l Unio cariosus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4o Unio cariosus Say. Beauchamp, Onondaga List. 1886. p.6. (Oswego river) Unio cariosus Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:15. (Erie canal) Lampsilis cariosus Say. Simpson, Nat. Mus. Proc. 1900. 22:528 Lampsilis ochraceus Say Unio o chr a c eu s Say. DeKay, Nat. Hist. N. Y. 1843. p. 193. (Mohawk river) Unio o chr ace u s Say. Aldrich, Troy List. 1867. p.i. (Mohawk river) Unio ochraceus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.r4i Lampsilis ochraceus Say. Simpson, Nat. Mus. Proc. 1900. 22:530 Lampsilis multiradiatus Lea Unio mult ir a d i a t u s Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141 Lampsilis multiradiatus Lea. Simpson, Nat. Mus. Proc. 1900. 22:532 Lampsilis luteolus Lamarck Unio luteolus Lam. DeKay, Nat. Hist. N. Y. 1843. p. 190. (Little Falls, Lake Champlain, Mohawk river, Orleans county) Lampsilis siliquoides Barnes. Stimpson, New Eng. Shells. 1851. p. 14. (Lake Champlain) Unio inflatus Barnes. Jay, Cat. 1852. p.6i. (Lake Erie) Unio luteolus Lewis. Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141 Unio luteolus Lam. Beauchamp, Onondaga List. 1886. p. 7 Unio luteolus Lam. Walton, Rochester Acad. Sci. Proc. 1892. 2:16. (Genesee river) Lampsilis luteolus Lam. Simpson, Nat. Mus. Proc. 1 900. 22:534 Lampsilis luteolus var. rosaceus DeKay Unio rosaceus DeK. DeKay, Nat. Hist. N. Y. 1843. p. 192. (Seneca lake) Unio rosaceus DeK. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4i Unio rosaceus DeK, Beauchamp, Onondaga List. 1886. p.y 82 NEW YORK STATE MUSEUM Unio rosaceusDeK. Walton, Rochester Acad. Sci. Proc. 1892. 2:16. (Lake Ontario) Lampsilis luteolus var. rosaceus DeK. Simpson, Nat. Mus. Proc. 1900. 22:535 Lampsilis borealis Gray Lampsilis borealis Gray. Simpso.i, Nat. Mus. Proc. 1900. 22:535 Lampsilis radiatus Gmelin Unio boydianus Lea. Lea, Obs. Genus Unio. 1842. 3:54. (Orleans county) Unio radiatus Gml. DeKay, Nat. Hist. N. Y. 1843. p.i89 Unio boydianus Lea. DeKay, Nat. Hist. N. Y. 1843. p.iSg. (Orleans county) Unio boydianus Lea. Jay, Cat. 1852. p.55 Unio radiatus Lam. Aldrich, Troy List. 1867. p. 2 Unio radiatus Lam. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141 Unio boy dian us Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 U nio radiatus Lam. Beauchamp, Onondaga List. 1886. p.7 Lampsilis radiatus Gmel. Simpson, Nat. Mus. Proc. 1900. Lampsilis ligamentinus Lamarck Unio ligamentinus Lam. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4i Unio ligamentinus Lam. Beauchamp, Onondaga List. 1886. p.7. (Cross lake) Lampsilis ligamentinus Lam. Simpson, Nat. Mus. Proc. 1900. 22:539 Lampsilis anodontoides Lea Unio anodontoides Lea, Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4o Lampsilis anodontoides Lea. Simpson, Nat. Mus. Proc. 1900. 22:543 Lampsilis rectus Lamarck Unio rectus Lam. DeKay, Nat. Hist. N. Y. 1843. p.i95. (Lake Champlain) Unio rectus Lam. Jay, Cat. 1852. p.65- (Lake Erie) Unio rectus Lam. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141. (Lake Champlain) Unio rectus Lam. Beauchamp, Onondaga List. 1886. p. 7 MOI.M'SCA OK NKW YOKk S^ U nio rectus Lam. \\alion, Kcu luster Acad, Sci. Proc. 1892, 2:16 (Liu- ranal) Lampsilis rod us Lam. Simpson, N at. M us I'm. 1900. 22:544. Lampsilis rectus Lam, Letson, N. Y. State Mus. Bui. 45. 1901. p,248. (Goat island. Post- Pliocene) Lampsilis nasutus Say Unio niisutus Say. DcKay, Nat. Hist. N. Y. iS.^j. p.u>i. (Lake- Ontario) Unio nasutus Say. Jay, Cat. 1852. p.62 Unio nasutus Say. Aldrich,Tioy List. 1867. p.i. (Mohawk basin) Unio nasutus Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:15. (Erie canal) Lampsilis nasutus Say. Simpson, Nat. Mus. Proc. 1900. 22:545. Lampsilis subrostratus Say Unio subrostratus Say. Jay, Cat. 1852. p.66 Lampsilis subrostratus Say. Simpson, Nat. Mus\ Proc. 1900. 22:546 Lampsilis iris Lea Unio novi-eboraci Lea. Lea, Obs. Genus Unio. 1838. 2:104. (Orleans county) Unio novi-eboraci Lea. DeKay, Nat. Hist. N, Y. 1843. p. 194. (Orleans county) Unio novi-eboraci Lea. Jay, Cat. 1852. p.6a Unio novi-eboraci Lea. Lewis, Bu£ Soc. Nat. Sci. Bui. 2. 1874. p.i4i Unio iris Lea. Beauchamp, Onondaga List. 1886. p. 7. (Erie canal) Unio novi-eboraci Lea. Beauchamp, Onondaga List. 1886. p.7 Unio novi-eboraci Lea. Walton, Rochester Acad. Sci. Proc. 2. 1892. p. 1 5. (Erie canal) Unio iris Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:15. (Erie canal) Lampsilis iris Lea. Simpson, Nat. Mus. Proc. 1900. 22:552 Lampsilis ellipsiformis Conrad Unio spatulatus Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4i Lampsilis ellipsiformis Conr. Simpson, Nat. Mus. Proc. 1900. 22:557 Lampsilis ellipsiformis Conr. Letson, N. Y. State Mus. Bui. 45. 1901. p. 249. (Prospect park. Post- Pliocene) 84 NEW YORK STATE MUSEUM Lampsilis parvus Barnes Unio parvus Barnes. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141 Unio parvus Barnes. Beauchamp, Onondaga List. 1886. p. 7 . (Erie canal) Lampsilis parvus Barnes. Simpson, Nat. Mus. Proc. 1900. 22:564 Lampsilis alatus Say Unio alatus Say. DeKay, Nat. Hist. N. Y. 1843. p.ips- (Lakes Champlain and Erie) Metaptera alatus Say. Stimpson, New Eng. Shells. 1851. p. 14. (Lake Champlain) Unio alatus Say. Say, Conch. U. S. ed. by Binney. 1858. p. 52. (Lake Erie) U n io al a t u s Say. Aldrich, Troy List. 1867. p.i. (Northern canal) Unio alatus Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 140 Unio alatus Say. Beauchamp, Onondaga List. 1886. p. 7 Unio alatus Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:15. (Erie canal) Lampsilis alatus Say. Simpson, Nat. Mus. Proc. 22. 1900. P-567 Lampsilis gracilis Barnes Metaptera gracilis Barnes. Stimpson, New Eng. Shells. 1851. p. 14. (Lake Champlain) Unio gracilis Barnes. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141 Unio gracilis Barnes. Beauchamp, Onondaga List. 1886. p. 7 Unio gr a cil is Barnes. . Walton, Rochester Acad. Sci. Proc. 1892. 2:15. (Erie canal) Lampsilis gracilis Barnes. Simpson, Nat. Mus. Proc. 1900. 22:573 Lampsilis laevissimus Lea Lampsilis laevissimus Lea. Simpson, Nat. Mus. Proc. 1900. 22:574. (Western New York) Lampsilis leptodon Rafinesque Lampsilis leptodon Raf. Simpson, Nat. Mus. Proc. 1900. 22:575. (Buffalo) Genus OBOVARIA Rafinesque Obovaria leibii Lea Unio leibii Lea. Beauchamp, Onondaga List. 1886. p.7. (Onon- daga lake) Obovaria leibii Lea. Simpson, Nat. Mus. Proc. 1900. 22:601. (Lake Erie) MOLLUSCA OF NEW YORK 85 Obovaria ellipsis Lea Unio ellipsis Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141. Obovaria ellipsis Lea. Simpson, Nat. Mus. Proc. 1900. 22:602 Genus PLAGIOLA Rafinesque Plagiola elegans Lea Unio elegans Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874^.141 Plagiola elegans Lea. Simpson, Nat. Mus. Proc. 1900. 22:604 Genus PTYCHOBRANCHUS Simpson Ptychobranchus phaseolus Hildrith Unio phaseolus Hild. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4i Ptychobranchus phaseolus Hild. Simpson, Nat. Mus. Proc. 1900. 22:612 Genus STROPHITUS Rafinesque Strophitus edentulus Say Anodon edentula Say. DeKay, Nat. Hist. N. Y. 1843. p. 201 (Lake Onondaga) Anodon unadilla DeK. DeKay, Nat. Hist. N. Y. 1843. p. 199. (Otsego river) Anodonta edentula Say. Aldrich, Troy List. 1867. p. 2. (Northern canal) Anodonta edentula Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 142. (Genesee river) Anodonta e den tula Say. Beauchamp, Onondaga List. 1886. p. 8. Anodonta edentula Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:17. (Long pond) Strophitus edentula Say. Simpson, Nat. Mus. Proc. 1900. 22:616 Strophitus edentulus var. pavonius Lea Anodon pavonia Lea. DeKay, Nat. Hist. N. Y. 1843. p. 203. (Onondaga lake) Anodonta pavonia Lea. Beauchamp, Onondaga List. 1886. p. 8. (Erie canal) Strophitus edentulus var. pavonius Lea. Simpson, Nat. Mus. Proc. 1900. 22:617 Strophitus undulatus Say Anodonta undulata Say. Jay, Cat. 1852. p. 73 Anodonta undulata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i42 86 NEW YORK STATE MUSEUM Anodonta undulata Say. Beauchamp, Onondaga List. 1886. p. 8 Anodonta undulata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:18 Strophitus undulatus Say. Simpson, Nat. Mus. Proc. 1900. 22:618 Genus ANODONTA Lamarck Anodonta cataracta Say Anodon fluviatilis Dillw. DeKay, Nat. Hist. N. Y. 1843. p. 203 Ano d o n t a c a tar a ct a Say. Jay, Cat. 1852. p. 71 A n o don ta f 1 u v i a t i 1 i s Dillw. Aldrich, Troy List. 1867. p. 2 Anodonta fluviatilis Dillw. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i42 Anodonta fluviatilis Dillw. Beauchamp, Onondaga List. 1886. p.8 Anodonta williamsii Lea. Beauchamp, Onondaga List. 1886. p.8. (Seneca river) Anodonta fluviatilis Dillw. Walton. Rochester Acad. Sci. Proc. 1892. 2:17. (Genesee river) Anodonta cataracta Say. Simpson, Nat. Mus. Proc. 1900. 22:631 Anodonta marginata Say A n o d o n t a m ar gin a ta Say. Jay, Cat. 1852. p. 72 Anodonta lacustris Lea. Lea, Obs. Genus Unio. 1860. 8:45. (Little and Crooked lakes) Anodonta fragilis Lam. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i42 Anodonta lacustris Lea. Lewis, Buf. Soe. Nat. Sci. Bui. 2. 1874. p.i42 Anodonta fragilis Lam. Beauchamp, Onondaga List. 1886. p.8 Anodonta lacustris Lea. Beauchamp, Onondaga List. 1 886. p.8 Anodonta fragilis Lam. Walton, Rochester Acad. Sci. Proc. 1892. 2:17. (Pittsford) Anodonta marginata Say. Simpson, Nat. Mus. Proc. 1900. 22:632 Anodonta implicata Say A n o d o n t a imp lie at a Say. DeKay, Nat. Hist. N. Y. 1843^.202 Anodon ta excurvata DeK. DeKay, Nat. Hist. N. Y. 1843. p. 202. (Albany county) Anodonta implicata Say. Aldrich, Troy List. 1867. p.2 Anodonta implicata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i42 MOLLUSCA OF NEW YORK 8/ Anodonta implicata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:17. (Charlotte) Anodonta excurvata DeK. Walton, Rochester Acad. Sci. Proc. 1892. 2:17. (Pittsford) Anodonta implicata Say. Simpson, Nat. Mus. Proc. 1900. 22:633 Anodonta imbecillis Say Anodonta imbecillis Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 142 Anodonta imbecillis Say. Beauchamp, Onondaga List. 1886. p. 8 Anodonta imbecillis Say. Walton, Rochester Acad. Sci. 1892. 2:17. (Irondequoit) Anodonta imbecillis Say. Simpson, Nat. Mus. Proc. 1900. 22:635 Anodonta grandis Say Anodonta le \visii Lea. Lea, Obs. Genus Unio. 1860. 8:44.. (Erie canal and Genesee river) Anodonta lewisii Lea. Aldrich, Troy List. 1867. p. 2. (Mohawk basin) Anodonta lewisii Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i42 Anodonta lewisii Lea. Beauchamp, Onondaga List. 1886. p.8 Anodonta salmoniaLea. Beauchamp, Onondaga List. 1886. p.8 Anodonta lewisii Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:17 Anodonta salmonia Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:17 Anodonta grandis Say. Simpson, Nat. Mus. Proc. 1900. 22:641 Anodonta grandis var. footiana Lea Anodonta footiana Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 142 Anodonta footiana Lea. Beauchamp, Onondaga List. 1886. p.8 Anodonta grandis var. footiana Lea. Simpson, Nat. Mus. Proc. 1900. 22:642 Anodonta grandis var. gigantea Lea Anodon plana Lea. DeKay, Nat. Hist. N. Y. 1843. p.2or. (Lake Ontario) Anodonta decora Lea. Beauchamp, Onondaga List. 1886. p.8 Anodonta grandis var. gigantea Lea. Simpson, Nat. Mus. Proc. 1900. 22:643 88 NEW YORK STATE MUSEUM Anodonta grandis var. benedictensis Lea Symphynota benedictensis Lea. Lea, Obs. Genus Unio. 1834. 1:216 Anodon benedictensis Lea. DeKay, Nat. Hist. N. Y. 1 843. p. 204. (Lakes Onondaga and Champlain) Alasmodonta benedictensis Lea. Stimpson, New Eng. Shells. 1851. p. 15. (Lake Champlain) Anodonta bened'ictensis Lea. Jay, Cat. 1852. p 71. (Lake Champlain) Anodonta benedictensis Lea. Aldrich, Troy List. 1867. p. 2. (Mohawk and Hudson rivers) Anodonta benedictii Lea Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 142. (Lake Champlain) Anodonta benedictii Lea. Beauchamp, Onondaga List. 1886. p. 8 Anodonta benedictii Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:17. (Erie canal) Anodonta grandis var. benedictensis Lea. Simpson, Nat. Mus. Proc. 1900. 22:644 Anodonta kennicottii Lea Anodonta simpsoniana Lea. Beauchamp, Onondaga List. 1886. p.8. (Beaver lake) Anodonta kennicottii Lea. Simpson, Nat. Mus. Proc. 1900. 22:647 Anodonta pepiniana Lea Anodonta pepiniana Lea. Beauchamp, Onondaga List. 1886. p.8 Anodonta pepiniana Lea. Simpson, Nat. Mus. Proc. 1900. 22:647 Genus ANODONTOIDES Simpson Anodontoides ferussacianus Lea Anodon ferussaciana Lea. DeKay, Nat. Hist. N. Y. 1843. p.2oo. (Erie canal) Anodonta ferussaciana Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 142. (Genesee river) Anodonta ferussaciana Lea. Beauchamp, Onondaga List. 1886. p.8. (Erie canal) Anodonta ferussaciana Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:17. (Erie canal) MOLLUSCA OF NEW YORK 89 Anodonta ferruginea Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:17. (Genesee river) Anodontoides ferussacianus Lea. Simpson, Nat. Mus. Proc. 1900. 22:659 Anodontoides ferussacianus var. subcylindraceus Lea Anodonta subcylindracea Lea. Lea, Obs. Genus Unio. 1838. 2:106. (Orleans county) An o don sub cylindr ace a Lea. DeKay, Nat. Hist. N. Y. 1843. p. 200. (Oswego river) Anodonta subcylindracea Lea. Jay, Cat. 1852. p. 73. (Orleans county) Anodonta subcylindracea Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 142 Anodonta subcylindracea Lea. Beauchamp, Onondaga List. 1886. p.8 Anodonta subcylindracea Lea. Walton, Rochester Acad. Sci. Proc. 2. 1892. p. 17. (Irondequoit) Anodontoides ferussacianus var. subcylindraceus Lea. Simpson, Nat. Mus. Proc. 1900. 22:660 Anodontoides ferussacianus var. modestus Lea Anodontoides ferussacianus var. modestus Lea. Simp- son, Nat. Mus. Proc. 1900. 22:660 Genus SYMPHYNOTA Lea Symphynota compressa Lea Symphynota compressa Lea. Lea, Obs. Genus Unio. 1834. 1:64. (Near Albany) Unio compressus Lea. DeKay, Nat. Hist. N. Y. 1843. p.i9i. (Orleans and Jefferson counties) U ni o c o m p r ess u s Lea. Jay, Cat. 1852. p. 57 Unio pressus Lea. Aldrich, Troy List. 1867. p. 2. (Hoosic river) Unio pressus Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141. (Owasco lake) Unio pressus Lea. Beauchamp, Onondaga List. 1886. p. 7. (Seneca river) Unio pressus Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:16. (Genesee river) Symphynota compressa Lea. Simpson, Nat. Mus. Proc. 1900. 22:662 9O NEW YORK STATE MUSEUM \ Symphynota compressa var. plebius Adams Symphynota compressa var. plebius Ads. Simpson, Nat. Mus. Proc. 1900. 22:663. (Hudson river) Symphynota viridis Conrad Unio tappanianus Lea. DeKay, Nat. Hist. N. Y. 1843. p. 194. (Northern canal) Unio tappanianus Lea. Aldrich, Troy List. 1867. p.i (Northern canal) Unio tappanianus Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4i Unio tappanianus Lea. Beauchamp, Onondaga List. 1886. p. 7. (Erie canal and Seneca river) Unio tappanianus Lea. Walton, Rochester Acad. Sci. Proc. 1892, 2:16. (Genesee river) Symphynota viridis Conr. Simpson, Nat. Mus. Proc. 1900. 22:663 Symphynota costata Rafmesque Alasmodon ru go sa Barnes. DeKay, Nat. Hist. N. Y. 1843. P-^6 Margaritana rugosa Lea. Aldrich, Troy List. 1867. p. 2. (Mohawk basin) Margaritana rugosa Barnes. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4i Margaritana rugosa Barnes. Beauchamp, Onondaga List. 1886. p. 7. (Onondaga lake) Margaritana rugosa Barnes. Walton, Rochester Acad. Sci. Proc. 1892. 2:16. (Genesee river) Symphynota costata Raf. Simpson, Nat. Mus. Proc. 1900. 22:665 Symphynota complanata Barnes Symphynota complanata Barnes. Simpson, Nat. Mus. Proc. 1900. 22:665 Genus ALASMIDONTA Say Alasmidonta undulata Say Alasmodon undulata Say. DeKay, Nat. Hist. N. Y. p. 198. (Albany county) Margaritana undulata Say. Jay, Cat. 1852. p. 69 Margaritana undulata Lea. Aldrich, Troy List. 1867. p. 2. (Northern canal) Margaritana undulata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P.HI MOLLUSCA OF NEW YORK QI Margaritana undulata Say. Beauchamp, Onondaga List. 1886. p. 8. (Erie canal) Alasmi d on ta un dul a ta Say. Simpson, Nat. Mus. Proc. 1900. 22:667 Alasmidonta calceola Lea Margaritana deltoidea Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:17. (Erie canal) Alasmidonta calceola Lea. Simpson, Nat. Mus. Proc. 1900. 22:668 Alasmidonta calceola Lea. Letson, N. Y. State Mus. Bui. 45. 1901. p. 250. (Goat island. Post-Pliocene) Alasmidonta heterodon Lea Unio heterodon Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141 Alasmidonta heterodon Lea. Simpson, Nat. Mus. Proc. 1900. 22:669 Alasmidonta marginata Say Alasmodon marginata Say. DeKay, Nat. Hist. N. Y. 1843. pi96 Alasmodon corrugata DeKay. DeKay, Nat. Hist. N. Y. 1843. p.igS Margaritana marginata Say, Jay, Cat. 1852. p. 69 M ar gari t ana m a rgina ta Say. Aldrich, Troy List. 1867. p.2. (Northern canal) Margaritana marginata Say. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4i Margaritana marginata Say. Beauchamp, Onondaga List. 1886. p.7 Margaritana marginata Say. Walton, Rochester Acad. Sci. Proc. 1892. 2:17 (Erie canal) Alasmidonta marginata Say. Simpson, Nat Mus. Proc. 1900. 22:670 Alasmidonta truncata B. H. Wright Alasmidonta truncata Wright. Simpson, Nat. Mus. Proc. 1900. 22:671 Genus HEMILASTENA Agassiz Hemilastena ambigua Say Margaritana hildrethiana Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141. (Buffalo creek) Hemilastena ambigua Say. Simpson, Nat. Mus. Proc. 1900. 22:673 Q2 NEW YORK STATE MUSEUM Genus MARGARITANA Schumacher Margaritana margaritifera Linnaeus Alasmodon arcuata Barnes. DeKay, Nat. Hist. N. Y. 1843. p. 197. (Rockland and Oneida counties) Margaritana margaritifera Linn. Jay, Cat. 1852. p.6g. (Lake Erie) Margaritana margaritifera Linn. Lewis, Buf. Soc. Nat. Scu Bui. 2. 1874. p. 141 Margaritana margaritifera Linn. Beauchamp, Onondaga List. 1886. p.8. (Oneida lake) Margaritana margaritifera Linn. Simpson, Nat. Mus. Proc. 1900. 22:674 Genus UNIO Retzius Unio pictorum Linnaeus Unio oval is Flem. Jay, Cat. 1852. p. 63. (Lake Champlain) U nio nodu lo sus Lam. Jay, Cat. 1852. p. 62. (Lake Champlain} Unio pictorum Linn. Simpson, Nat. Mus. Proc. 1900. 22:680 Unio gibbosus Barnes Unio gibbosus Barnes. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874, p.i4i Unio gibbosus Barnes. Walton, Rochester Acad. Sci. Proc. 1892. 2 -.15. (Erie canal) Unio gibbosus Barnes. Simpson, Nat. Mus. Proc. 1900. 22:703 Unio gibbosus Barnes. Letson, N. Y. State Mus. Bui. 45. 1901. p. 25 1. (Goat island. Post-Pliocene) Unio complanatus Solander Unio complanatus Sol. DeKay, Nat. Hist. N. Y. 1843. p.i88. (Little Falls, Oak Orchard) Unio complanatus Sol. Jay, Cat. 1852. p. 56. (Lake Cham- plain, Hudson river and Lake George) U nio rarisulc at a Lam. Jay, Cat. 1852. p. 65. (Lake Champlain) U ni o pur p ur as c e n s Lam. Jay, Cat. 1852. p.64 Unio georgina Lam. Jay, Cat. 1852. p. 59. (Lake George) Unio rhombula Lam. Jay, Cat. 1852. p. 65. (Hudson river) Unio flu via til is Green. Jay, Cat. 1852. p.59 Unio complanatus Sol. Aldrich, Troy List. 1867. P-1 Unio complanatus Sol. Lewis, Buf. Soc. Nat. Sci. Bui. 1874. 2:141 Unio complanatus Sol. Beauchamp, Onondaga List. 1886. p.y MOLLUSCA OF NEW YORK 93 Unio complanatus Sol. Walton, Rochester Acad. Sci. Proc. 1892. 2:15. (Genesee river) Un i o c ompl an at us Sol. Simpson, Nat. Mus. Proc. 1900. 2:720 Genus QUADRULA Rafinesque Quadrula plicata hippopaea Lea Unio hippopaeus Lea. Lea, Obs. Genus Unio. 1841. 4:41. (Lake Erie) Unio hippopaeus Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 1 41. (Buffalo river) Quadrula plicata hippopaea Lea. Simpson, Nat. Mus. Proc. 1900. 22:767. (Lake Erie) Quadrula undulata Barnes Unio undulatus Barnes. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4i Unio undulatus Barnes. Beauchamp, Onondaga List. 1886. p. 7. (Erie canal) Unio undulatus Barnes. Walton, Rochester Acad. Sci. Proc. 1892. 2:16. (Erie canal) Quadrula undulata Barnes. Simpson, Nat. Mus. Proc. 1900. 22:769 Quadrula lachrymosa Lea Quadrula lachrymosa Lea. Simpson, Nat. Mus. Proc. 1900. 22:776 Quadrula pustulosa Lea Unio pustulatus Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. , p.i4i Quadrula pustulosa Lea. Simpson, Nat. Mus. Proc. 1900. 22:779 Quadrula rubiginosa Lea Unio rubiginosus Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p.i4i Unio rubiginosus Lea. Beauchamp, Onondaga List. 1886. p. 7. (Erie canal) Unio rubiginosus Lea. Walton, Rochester Acad. Sci. Proc. 1892. 2:16. (Genesee river) Quadrula rubiginosa Lea. Simpson, Nat. Mus. Proc. 1900. 22:786 Quadrula trigona Lea Unio trigonus Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. p. 141 Quadrula trigona Lea. Simpson, Nat. Mus. Proc. 1900. 22:787 94 NEW YORK STATE MUSEUM Quadrula coccinea Conrad Unio coccineus Lea. Lewis, Buf. Soc. Nat. Sci. Bui. 2. 1874. P HI Quadrula coccinea Conr. Simpson, Nat. Mus. Proc. 1900. 22:788 Quadrula coccinea Conr. Letson, N. Y. State Mus. Bui. 45. 1901. p. 252. (Goat island. Post-Pliocene) Quadrula coccinea paupercula Simpson Quadrula coccinea paupercula Simp. Simpson, Nat. Mus. Proc. 1900. 22:789 Quadrula tuberculata Rafinesque Unio verru c os us Barnes. Jay, Cat. 1852. p. 68. (Lake Erie) Quadrula t u b ercul a ta Raf. Simpson, Nat. Mus. Proc. 1900. 22:795 Quadrula solida Lea Quadrula solida Lea. Letson, N. Y. State Mus. Bui. 45. 1901. p. 251. (Goat island. Post-Pliocene) Family NUCTLJLIDAE Genus NUCULA Lamarck Nucula proxima Say Nucula proxima Say. DeKay, Nat. Hist. N. Y. 1843. p. 179 Nucula proxima Say. Smith & Prime, An. Lye. N. Y. 1870. 9:385 Nucula radiata DeKay Nucula radiata DeK. DeKay, Nat. Hist. N. Y. 1843. p. 179. - (Williamsburg, East river) Nucula radiata DeK. Smith & Prime, An. Lye. N. Y. 1870. 9:385. (East river) Genus YOLDIA Moller Yoldia limatula Say Leda limatula St. Smith & Prime, An. Lye. N. Y. 1870. 9:385. (New York bay) Yoldia limatula Say. Verrill & Bush, Am. Jour. Sci. 1897. ser. 4. 3:55 Yoldia gouldi DeKay Nucula gouldi DeK. DeKay, Nat. Hist. N. Y. 1843. p.iSo. (Long Island sound) Leda gouldi DeK. Smith & Prime, An. Lye. N. Y. 1870. 9:385 Yoldia gouldi DeK. Verrill, U. S. Fish Com. Rep't. 1871-72. p. 690 MOLLUSCA OF NEW YORK 95 Yoldia sapotilla Gould Leda sapotilla St. Smith & Prime, An. Lye. N. Y. 1870. 9:385- (Greenport) Yoldia sapotilla Gould. Verrill & Bush, Am. Jour. Sci. 1897. ser. 4. 3:55 Nucula sapotilla Gould. Carpenter, Naut. 1901. 15:92. (Long Island sound) Genus MEGAYOLDIA Megayoldia thraciaeformis Storer Nucula thraciaeformis Str. DeKay, Nat. Hist. N. Y. 1843. p.i78 Leda thraciaeformis Str. Smith & Prime, An. Lye. N. Y. 1870. 9:385. (Fire Island light) Magayoldia thraciaeformis Str. Verrill & Bush, Am. Jour. Sci. 1897. ser. 4. 3:55 Family ARCITDJ^E Genus ARCA Linnaeus Area pexata Say Arc a p ex a t a Say. DeKay, Nat. Hist. N. Y. 1843. p. 176 Ar ca p e x ata Say. Jay, Cat. 1852. p. 50 Area pexata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:385 Area pexata Say. Carpenter, Naut. 1901. 15:93^. (Long Island sound) Area ponderosa Say Area ponderosa Say. Smith & Prime, An. Lye. N. Y. 1870. 9:385. (Fire Island light) Arc a pondero s a Say. Verrill, Ct. Acad. Arts & Sci. 1882. 5:573 Area transversa Say Area t r a n s v e r s a Say. DeKay, Nat. Hist. N. Y. 1843. p. 177 Area tr a n s v e r s a Say. Jay, Cat. 1852. p. 51. Area transversa Say. Smith & Prime, An. Lye. N. Y. 1870. 9:384 Family MYTILIIDAE Genus MYTILUS Linnaeus Mytilus edulis Linnaeus M y t il u s bor e ali s Lam. DeKay, Nat. Hist. N. Y. 1843. p. 182. (Long Island sound) My til us n o t at us DeK. DeKay, Nat. Hist. N. Y. 1843. p. 182 Mytilus pellucidus DeK. DeKay, Nat. Hist. N. Y. 1843. P-l83 96 NEW YORK STATE MUSEUM Mytiluspellucidus Maton. Jay, Cat. 1852. p. 77 Mytilus edulis Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:386 Mytilus corrugatus Stimpson M y ti 1 u s c orru g a t us St. Smith & Prime, An. Lye. N. Y. 1870. 9:385. (Gardiners bay) Mytilus hamatus Say Mytilus hamatus Say. Smith & Prime, An. Lye. N. Y. 1870. 9:386. (New York harbor) Genus MODIOLUS Lamarck Modiolus modiolus Linnaeus Modiola modiolus Linn. DeKay, Nat. Hist. N. Y. 1843. p. 185 Mytilus modiolus Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:386. (Greenport) Modiolus demissus plicatulus Lamarck Modiola plicatula Lam. DeKay, Nat. Hist. N. Y. 1843. P- 184 Modiola plicatula Lam. Jay, Cat. 1852. p. 77 Mytilus plicatulus Desh. Smith & Prime, An. Lye. N. Y. 1870. 9:386 Subfamily CRENE^LLINAE Genus CRENELLA Brown Crenella grandula Totten Crenelladecussata Mont. ' DeKay, Nat. Hist. N. Y. 1843. p.i86 Mytilus decussatus Mont. Smith & Prime, An. Lye. N. Y. 1870. 9:385. (Gardiners bay) Crenella grandula Tott. Carpenter, Naut. 1901. 15:106. (Long Island sound) Family Genus PECTEN Muller Pecten gibbus irradians Lamarck Pecten concentricus Say. DeKay, Nat. Hist. N. Y. 1843. P-'?2 Pecten concentricus Say. Jay, Cat. 1852. p.84 P e c t e n i rr a d i a n s Lam. Jay, Cat. 1852. p.85 Pecten turgidus Sowb. Jay. Cat. 1852. p.87 Pecten irradians Lam. Smith & Prime, An. Lye. N. Y. 1870. 9:384. (Long Island sound) MOLLUSCA OF NEW YORK 97 Pecten tenuicostatus Mighels and Adams Pecten magellanicus Gmel. DeKay, Nat. Hist. N. Y. 1843. p. 1 73. (Sandy Hook) Pecten magellanicus Gmel. Smith & Prime, An. Lye. N. Y. 1870. 9:384. (Long Island sound) Pecten tenuicostatus M. & A. Carpenter, Naut. 1901. 15:114. (Long Island sound) Pecten islandicus Miiller Pecten islandicus Mull. DeKay, Nat. Hist. N. Y. 1843. p 173 Family ANOIVIIIDAE^ Genus ANOMIA Linnaeus Anomia aculeata Gmelin Anomia aculeata Mull. Jay, Cat. 1852. p. 92 Anomia ephippium aculeata Gmel. Smith & Prime, An. Lye. N. Y. 1870. 9:384. Anomia a cul e a ta Gmel. Carpenter, Naut. 1901. 15:130. (Long Island sound) Anomia glabra Verrill Anomia ephippium Linn. DeKay, Nat. Hist. N. Y. 1843. p.i68 Anomia ephippium Linn. Jay, Cat. 1852. p.g2 A n omi a p a tell ari s Lam. Jay, Cat. 1852. p. 92 Anomia ephippium Linn. Smith & Prime, An. Lye. N. Y. 1870. 9:384 Anomia glabra Verr. Carpenter, Naut. 1901. 15:130 Family OSTREIDJVE Genus OSTREA Linnaeus Ostrea borealis Lamarck Ostrea borealis Lam. DeKay, Nat. Hist. N. Y. 1843. p.1^9 Ostr-ea borealis Lam. Jay, Cat. 1852. p.89 Ostrea canadensis Burg. Jay/ Cat. 1852. p.Sg Ostrea borealis Lam. Smith & Prime, An. Lye. N. Y. 1870. 9:384 INDEX The superior figures tell the exact place on the page in ninths; e. g 26* means page 26 beginning in the third ninth of the page, i. e. about one third of the way down. Acanthinula, 34*. harpa, 34*. Acella gracilis, 56*. Achatina lubrica, 44*. Aclis, I3\ striata, 13*. Acmaea, 25*. testudinalis, 25*. alveus, 25*. Acmaeinae, 25*. Actaeon, 26". punctostriata, 26*. Aeolidae, 27". Aeolinae, 27*. Aeolis, 272. salmonacea, 27*. Agriolimax, 48T. agrestis, 48T. campestris, 49*. Alasmidonta, po8. calceola, pi2. heterodon, 91*. marginata, 91*. truncata, 91*. undulata, 908, 91*. Alasmodon arcuata, 921. corrugata, 91*. marginata, 91°. rugosa, 90°. undulata, 90s. Alasmodonta benedictensis, 882. Alexia, 51*. myosotis, 51". Amnicola, 201. cincinnatiensis, 20", 21*. granua, 21*. granum, 21°. letsoni, 2i7. Amnicola limosa, 20*. lustrica, 2i4. orbiculata, 2i2. pallida, 202. porata, 20*. sayana, 2O1. Anatina, 67*. papyracea, 67*. Anatinidae, 66s. Anculosa carinata, iS8. dissimilis, i85. Anculotus carinatus, 18*. trivittatus, 18*. Ancylinae, 62°. Ancylosa, i84. carinata, i84. Ancylus, 62°. borealis, 63°. calcarius, 634. fuscus, 62'. . parallelus, 62*. rivularis, 631. tardus, 63*. Anguispira alternata, 33". Angulus tenella,. see Tellina (An- gulus) tenella. tenera, see Tellina (Angulus) tenera. versicolor, see Tellina (Angulus) versicolor. Anodon benedictensis 882. edentula, 85*. ferussaciana, 888. fluviatilis, 862. pavonia, 85T. plana, 87". subcylindracea, 8g2. unadilla, 8s5. 100 NEW YORK STA.TE MUSEUM Anodonta, 862. benedictensis, 8S3. benedictii, 883. cataracta, 862. decora, 87". edentula, 85*. excurvata, 869, 87*. ferruginea, Sg1. ferussaciana, 888. fluviatilis, 86s. footiana, 877. fragilis, 866. grandis, 87*. var. benedictensis, 881. var. footiana, 877. var. gigantea, 87s. imbecillis, 872. implicata, 868, 87'. kennicottii, 88s. lacustris, 86*. lewisii, 87*. marginata, 865. pavonia, 85". pepinian'a, 886. salmonia, 87®. simpsoniana, 88s. subcylindracea, 8g2. undulata, 85°, 861. williamsii, 86*. Anodontoides, 887. ferussacianus, 888, 89*. var. modestus, 89". var. subcylindraceus, Anomia, 97*. aculeata, 97*. ephippium, 97°. aculeata, 97*. glabra, 97*. patellaris, 97*. Anomiidae, gf. Aplexa, 58*. hypnorum, 58*. Area, 955. pexata, 95'. ponderosa, 95°. transversa, 95T. Arcidae, 95*. Arion, 48*. hortensis, 48*. Arionidae, 485. Asiphonida, 8o4. Astarte, 79*. castanea, 798. lunulata, 79s. sulcata, So1. Astartidae, 798. Auricula bidentata, 5i5. cornea, 5i6. denticulata, 5i3. Auriculidae, 5i2. Basommatophora, 5i2. Bela, 73. bicarinata, f. concinnula, 77. decussata, f. harpularia, 7*. pleurotomaria, 77. Bifidaria, 44T. armifera, 45?, 461. contracta, 45*. corticaria, 44?, 451. curvidens, 465. pentodon, 462. rupicola, 452. Bittium, I47. nigrum, 14s. Buccinidae, 4s. Buccininae, 5". Buccinum, 59. lunatum, 69, 71. noveboracensis, 66. obsoletum, 65. olivaeforme, 6s. plicosum, 43. trivittatum, 62. undatum, 5°, 61. vibex, 6*. wheatleyi, 71. Bulimnea megosoma, S31. Bulimus lubricus, 443. Bulinus hyphorum, 58T. Bulla canaliculata, 26*. debilis, 26s. gouldii, 267. insculpta, 26', 27*. obstricta, 26*. oryza, 26*. solitaria, 271. triticea, 26'. INDEX TO MOLLUSCA OF NEW YORK IO1 Bullidae, 26'. Bythinella, ig\ attenuata, ip7. obtusa, IQS. Bythinia, i8T. tentaculata, i8T. Bythininae, i87. Caecidae, n5. Caecum, n6. cooperi, n6. pulchellum, n7. Calyculina, 72s. partumeia, 732, 73*. rosacea, 73". securis, 741. transversa, 728. truncata, 736. Calyptraeidae, Q7. Calyptrea striata, Q8. Campeloma, 23T. decisa, 247. decisum, 237. ponderosum, 23T. Cardiidae, 78*. Cardita borealis, 8o3. Carditinae, 8o2. Cardium, 781. (Cerastoderma) ciliatum, 783. groenlandicum, 787. islandicum, 783. (Laevicardium) mortoni, 78*, 78'. (Cerastoderma) pinnulatum, 781, 782. Cavolina salmonacea, 27s. Cemoria noachina, 253. Cephalopoda, 3*. Cerastoderma ciliatum, see Cardium (Cerastoderma) ciliatum. pinnulatum, see Cardium (Ceras- toderma) pinnulatum. Cerithiidae, I4T. Cerithiopsis, 14". emersoni, I51. greeni, 14*. punctatum, I52. terebellum, 15*. terebrale, 15*. Cerithium greenii, 14®. nigrocinctum, i53. sayi, 14*. Chaetopleura, 63*. apiculata, 638. Chemnitzia bisuturalis, I33. fusca, I37. impressa, I35. interrupta, 12s. seminuda, I36. trifida, I32. Chiton albus, 641. apiculatus, 63". Cingula aculeus, IQ2. laevis, 19*. minuta, IQ2. Cionella subcylindrica, 445. Circinaria, 41*. concava, 41*. Clathurella, f. plicata, 79. Cochlicopa, 443. lubrica, 443, 44°. Cochlodesma, 667. leana, 667. leanum, 668. Columbella, 68. avara, 6s. gouldiana, 72. lunata, 69, f. Columbellidae, 67. Conulus chersina, 3i8. fulvus, 3i2. minutissima, 32T. Corbula, 661. contracta, 661. Corbulidae, 661. Crassatellidae, 7p7. Crenella, 96'. decussatus, 96°. grandula, 96", 967. Crenellinae, 965. Crepidula, 9°. convexa, ioz. fornicata, g9, ro1. glauca, io5. plana, io3. unguiformis, io*. Crucibulum, 9*. striatum, 9*. 102 NEW YORK STATE MUSEUM Cumingia, 6/. tellinoides, 6f. Cycladidae, 72". Cyclas, 77'. crocea, 742. dubia, 751. edentula, 71*. elegans, 70*. islandica, 77*. partumeia, 73'. rhomboidea, 70°, 7i\ similis, 70*. Cylichna, 26s. alba, 26". oryza, 26*. Cylichnidae, 26*. Cyprina islandica, 77*. Cyrenidae, 70*. Cytherea convexa, 69*. Daphnella, 8*. agassizi, 82. cerina, 82. morchi, 8l. Decapoda, 3*. Diaphana, 26*. debilis, 26*. Dibranchiata, 3*. Divaricella, 78*. quadrisulcata, 78*. Donacinae, 688. Donax, 68". fessor, 689. Dosininae, 7O1. Edriopthalma, 25*. Ensis, 64*. directus, 64', 65*. Erycinidae, 79*. Eryphyla, 79T. lunulata, 797. Euconulus, 3i2. chersinus, 31*. fulvus, 3i2. Eulima, u8. intermedia, n*. oleacea, n8. Eulimax agrestis, 48*. campestris, 49*. flavus, 47". Eulimidae, n*. Eupleura, 4*. caudata, 4*. Ferussacia subcylindrica, 44°. Fissurellidae, 25*. Fulgur, 55. canaliculatum, 5*, 57. carica, 57. Fusus bamfius, 4*. cinereus, 42. decemcostatus, 5*. harpularia, 7*. imbricatus, 42. islandicus, 52. rufus, 77. scalariformis, 4*. tornatus, 4®. ventricosus, 5*. Gastrodonta, 31°. inter texta, 31'. ligera, 31'. multidentata, 32*. suppressa, 321. Gastropoda, 4*. Gehydrophila, 51*. . Gemma, 70*. gemma, 70*. manhattensis, 70*. Gillia, 221. altilis, 221. Goniobasis, 16*. depygis, i65. gemma, 17", i8a. haldemani, 17*. livescens, I67. multilineata, 18*. niagarensis, 17*. virginica, 17', 18*. Gundlachia, 63*. ^, 637. stimpsoniana, 63*. Gyraulus albus, 6i8. deflectus, 6ia. dilatatus, 61*. parvus, 6i9. Haminea, 26". solitaria, 26*, 271. INDEX TO MOLLUSCA OF NEW YORK 103 Helicidae, 33*. Helicodiscus, 34". lineatus, 34", 35'. Helisoma trivolvis, 59". Helix, 4i4. albolabris, 36*. alternata, 33*. appressa, 38*. arborea, 301. binneyana, 2Q2. caroliniensis, 37®. cellaria, 28°. chersina, 3i3. clausa, 3p4. concava, 41*. dentifera, 37*. diodonta, 36*. electrina, 28T. elevata, 38". exoleta, 372. fallax, 357. fraterna, 403. fuliginosa, 278. ftilva, 3i2. hirsuta, 39°. hortensis, 41*. indentata, 29*. inflecta, 361. inornata, 28*. intertexta, 31*. labyrinthica, 46". ligera, 31*. lineata, 34s. minuta, 40'. minutissima, 32*. monodon, 39s, 40*. multidentata, 32*. multilineata, 37". ovalis, 495. palliata, 3/, 381. pennsylvanica, 38T. perspectiva, 34*. profunda, 362. pulchella, 40". radiata, 33*. rufa, 36°. sayii, 36'. scabra, 33'. solitaria, 34*. Helix striatella, 338, 34*. subglobosa, 4i5. suppressa, 321. thyroides, 38°, 39'. thyroidus, 38", 39*. tridentata, 358. viridula, 28'. zaleta, 37*. Hemilastena, 91®. ambigua, 91°. Homomyaria, 8o4. Hyalina arborea, 3O2. cellaria, 28°. electrina, 28s. exigua, 30*. ferrea, 29'. fuliginosa, 27s. indentata, 29'. inornata, 28*. intertexta, 31°. ligera, 31°. limatula, 30°. lineata, 34". minuscula, 3OT. multidentata, 32*. nitida, 29".' viridula, 288. Hydrobia laevis, 19". Hydrobiinae, ig1. Hygrophila, 5i7. lanthina, ii2. fragilis, n2. lanthinidae, na. Integripalliata, 70*. Ischnochiton albus, 642. Ischnochitonidae, 63s. Isodora integra, 58". Isognomostoma inflecta, 35' Isthmia bollesiana, 437. gouldii, 435. milium, 44*. ovata, 42°. simplex, 33*. ventricosa, 43'. Kellia, 794. planulata, 79*. IO4 NEW YORK STATE MUSEUM Lacuna, 14*. divaricata, 14". pertusa, 14°. vincta, .14°. Laevicardium mortoni, see Cardium (Laevicardium) mortoni. Lamellaria, 9". glabra, g\ pellucida, 9*. Lamellariidae, 9". Lampsilis, 80°. •f- alatus, 843. anodontoides, 82*. borealis, 822. cariosus, 8o8, 8i2. ellipsiformis, 83". gracilis, 84°. iris, 835. laevissimus, 847. leptodon, 84®. ligamentinus, 82*. luteolus, 8i6. var. rosaceus, 8i8, 821. multiradiatus, 81°. nasutus, 832. ochraceus, 81*. parvus, 841. radiatus, 82*. rectus, 828, 831. siliquoides, 8i6. subrostratus, 83*. ventricosus, 8o7. Leda, gouldi, 94'. limatula, 94*. sapotilla, 95*. thraciaeformis, 95*. Leucochila armifera, 45*. contracta, 45*. corticaria, 44T. fallax, 4i7. rupicola, 45'. Limacidae, 47*. Limax, 472. agrestis, 48T. campestris, 491. flavus, 47*. maximus, 472. Limnaea ampla, 52*. appressa, 51'. auricularia, 52*. Limnaea caperata, 55*. catascopium, 55*. columella, 52'. desidiosa, 54*. elodes, 541. var. catascopium, 55*. emarginata, 54". fragilis, 538. gracilis, 566. humilis, s62. jugularis, 5i8. linsleyi, 56*. megasoma, 52°, 53*. pallida, 558, 561. palustris, 53*. reflexa, 53*. umbrosa, 536. stagnalis, 51", 52*. umbilicata, 55*. umbrosa, 537. See also Lymnaea. Limnaeidae, 5i8. Limnaeinae, 51". Limnea, see Limnaea. Limnophysa catascopium, 55". desidiosa, 54°. elodes, 542. emarginata, 54°. humilis, 56*. pallida, 561. palustris, 54*. reflexa, 53*. umbilicata, 55*. umbrosa, 53°. Lioplax, 24T. subcarinata, 24T. subcarinatus, 24". Lithoglyphinae, 221. Littorina, 13*. irrorata, 13*. littoralis, 14*. littorea, 14*. palliata, 14*. rudis, 14*. obligata, 14*. tenebrosa, 14*. tenebrosa, 14*. Littorinidae, 13*. Loliginidae, 3*. INDEX TO MOLLUSCA OF NEW YORK 105 Loligo, 3*. illecebrosus, 3". pallida, 3\ peali, 36. punctata, 3*. Lottia alveus, 256. Lucina divaricata, 79*. filosa, 788. strigilla, 78". Lucinella, 79*. divaricata, 79*. Lucinidae, 78T. Lymnaea acuta, 54*. catascopium, 55*. columella, 52°. desidiosa, 54*. elodes, 53". elongata, 53". fragilis, 53'. fusiformis, 543. humilis, 56s. jugularis, 521. macrostoma, 52". navicula, 52°. pallida, 559. palustris, 539. reflexa, 53*. umbrosa, 538. See also Limnea. Lymnaeus desidiosus, 54*. Lymneus elodes, 539. reflexus, 53s. Lyogyrus, 2i8. granum, 2i9. Lyonsia, 66s. hyalina, 668. Machaera costata, 65*. Macoma, 68*. balthica, 68*. calcarea, 688. tenta, 687. Macrocyclis concava, 41*. Mactra gigantea, 67*. lateralis, 67°. ' solidissima, 67°, 67*. Mactridae, 67*. Mactrinae, 67*. Mangelia pyramidalis, f. Margarita, 249. multilineata, 25*. ornata, 249. Margaritana, 92*. deltoidea, giz. hildrethiana, 91°. margaritifera, 92*. marginata, Qi8. rugosa, go5. undulata, 9o9, 91*. Megayoldia, 95*. thraciaeformis, 953. Melampus, 51*. bidentatus, 5i6. corneus, SIT. denticulatus, 51*. lineatus, 5i5. Melania bizonalis, if, iSl. depygis, i65. elevata, 16*. gemma, if, i8\ livescens, i6T. niagarensis, if. subularis, 15*. virginica, I76. Melantho decisa, 23°, 24*. var. genicula, 24°. var. heterostropha, 246 var. integra, 24°. var. obesa, 24'. decisus, 24". integer, 242. ponderosa, 237. rufa, 24*. rufus, 243. Menetus exacutus, 6o8. Meretrix, 697. convexa, 69". Mesodon albolabris, 367. dentate var., 371. bucculenta, 392. dentifera, 37T. diodonta, 36*. elevata, 38". exoleta, 37'. multilineata, 37°. profunda, 362. sayii, 36'. thyroides, 391. io6 NEW YORK STATE MUSEUM Mesomphix intertexta, 3i6. ligera, 31*. Metaptera alatus, 843. gracilis, 84°. Micromya, 8oa. fabalis, 8o6. Modiola modiolus, 96s. plicatula, 96*. Modiolus, o63. demissus plicatulus, 96*. modiolus, Q63. Monotremata, 27*. Montacuta, 7p2. bidentata, 7Q3. elevata, 79*. Mulinia, 67*. lateralis, 67'. Muricidae, 41. Mya, 65". arenaria, 65*. Myacidae, 65". Mytilidae, 958. Mytilis edulis, 95". Mytilus, 95s. borealis, 95*. corrugatus, 96*. decussatus, 96*. edulis, 961. hamatus, 96*. modiolus, 96*. notatus, 959. pellucidus, 95', 96*. plicatulus, 96*. Nassa, 62. obsoleta, 65. obsoletum, 6*. trivittata, 6a. vibex, 6*. Nassidae, 62. Natica, 8s. clausa, 91. duplicata, 8s. flava, 92. heros, 88. immaculata, 89. pusilla, 8*. triseriata, 8T. Naticidae, 8s. Neptuna despecta, 4'. Neptunea, 49. decemcostata, 51. Neptuniinae, 4". Nucula, 945. gouldi, 94*. proxima, 94*. radiata, 94*. sapotilla, 95*. thraciaeformis, 95*. Nuculidae, 94*. Nudibranchiata, 272. Obovaria, 84°. ellipsis, 8s1. leibii, 84". Odostomia, 13'. bisuturalis, 13'. fusca, I37. impressa, 13*. insculpta, 13*. seminuda, 13°. trifida, I32. Ommatostrephes, 3T. saggittatus, 3*. Ommatostrephidae, 37. Omphalina, 277. arborea, 3O3. cellaria, 28T. exiguus, 30°. ferrea, 29s. fuliginosa, 278, 282. indentata, 29'. inornata, 282. ligera, 31°. minuscula, 3OT. nitida, 29". viridula, 28®. Opisthobranchiata, 257. Osteodesma hyalina, 669. Ostrea, 977. borealis, 977. canadensis, 978. Ostreidae, 97T. Paludina decisa, 238, 24". disscisa, 238. integra, 238, 24'. isogona, 22*. INDEX TO MOLLUSCA OF NEW YORK 107 Paludina lustrica, 21s. porata, 2O5. rufa, 24*. Paludinidae, 23*. Pandora, 66*. trilineata, 66s. Patelloida alveus, 25". testudinalis, 25°. Patula alternata, 33*. perspectiva, 34°. solitaria, 34*. striatella, 33°, 34*- Pec ten, 968~973. concentricus, Q68. gibbus irradians, 96*. irradians, Q69. islandicus, 97*. magellanicus, 97*. tenuicostatus, 97*. turgidus, 96®. Pectinibranchiata, 4\ Pectinidae, 968~973. Pelecypoda, 64*. Petricola, 69*. dactylus, 69*. pholadiformis, 69*. Petricolidae, 691. Phacoides, ;88. filosus, 788. Pharellinae, 65*. Philine, 258. quadrata, 258. quadratus, 25'. Philinidae, 25*. Philomycus, 47T. carolinensis, 47T, 483. dorsalis, 482. Pholadidae, 64'. Pholadinae, 64*. Pholas, 64s. costata, 64°. crispata, 64*. truncata, 64". Physa, 56". ancillaria, 571. aurea, 577. cylindrica, 57*. elliptica, 56". elongata, 53T, 58'. glabra, 58'. Physa gyrina, 568. heterostropha, 57', 581 hildrethiana, 56*. hypnorum, s86. Integra, 58*. niagarensis, 58*. obesa, 57". planorbula, 59"* plicata, 576. Pisidium, 74'. abditum, 74°, 748. aequilaterale, 75', 761. affine, jf. compressum, 76*. ferrugineum, 76'. medianum, 77*. notatum, 74". noveboracense, 75T. novi-eboracense, 75*. pauperculum, 77*. plenum, 74T. punctatum, 77*. resartum, 747. roperi, 77*. rotundatum, 77'. rubrum, 747. sargenti, 772. scutellatum, 77°. splendidulum, 776. streatori, 773. strengii, 77a. ultramoritanum, 77*. variabile, 768. ventricosum, 75T. virginicum, 75*. walkeri, 77*. Plagiola, 85a. elegans, 85*. Planorbinae, 58*. Planorbis, 58'. albus, 6i5. armigerus, 62*. bicarinatus, 6oa. campanulatus, 58°, 59*. corpulentus, 59'. deflectus, 6o9, 6i\ dilatatus, 6i3. elevatus, 6iT. exacutus, 6o9. hirsutus, 6i5. io8 NEW YORK STATE MUSEUM Planorbis lentus, 59°, 6O1. megastoma, 59°. obliquus, 6o9. parvus, 6i7, 62*. trivolvis, 59*. lentus, 599. Planorbula armigera, 62*. Pleurocera, 15*. elevatum, 16*. intensum, 15°. pallidum, 16*. subulare, 15*. intensum, 15*. Pleurotoma bicarinata, 7". bicarinatum, f. cerinum, 8s. decussata, 7*. plicata, 79. Podopthalma, 24*. Polygyra, 35'. albolabris, 36°. dentata, 371. appressa, 38*. clausa, 39*. dentifera, 377. elevata, 38". exoleta, 37'. fraudulenta, 35T. hirsuta, 39*. inflecta, 35', 36'. juxtidens, 35". leai, 40*. mono don, 39", 40*. fraterna, 40*. multilineata, 37*. palliata, 37°, 38'. pennsylvanica, 38T. profunda, 36*. sayi, 36*. thyroides, 38', 39*. tridentata, 35*. juxtidens, 35'. Polyplacophora, 63*. Pomatiopsinae, 22*. Pomatiopsis, 225. lapidaria, 22*. lustrica, 2i5. Psammobia fusca, 685. Pseudohyalina limatula, 30*. minuscula, 30*. Ptychobranchus, 85*. phaseolus, 85*. Pulmonata, 27*. Punctum, 327. minutissimum, 32*. pygmaeum, 32T. Puncturella, 25*. noachina, 25s. Pupa, 421. armifera, 45", 461. badia, 421. contracta, 45*. corticaria, 447. fallax, 4i7. gouldii, 43*. milium, 43°, 44*. modesta, 43*. muscorum, 421. ovata, 42'. pentodon, 46*. rupicola, 45*. simplex, 331. Pupidae, 41°. Pupilla badia, 42*. muscorum, 42*. pentodon, 46". Pupoides, 4i6. . marginatus, 4i7. Purpura, 4°. bizonalis, 47. imbricata, 47. lapillus, 4°. Purpurinae, 4*. Pyramidula, 33*. alternata, 33*. perspectiva, 34". solitaria, 34a. striatella, 33", 34'. Pyrula, aruana, 5*. canaliculata, 5°. carica, 57. Quadrula, 93*. coccinea, 94*. paupercula, 94*. lachrymosa, 93*. plicata hippopaea, 93*. pustulosa, 93*. rubiginosa, 93*. sol id a, 944. INDEX TO MOI.LUSCA OF NEW YORK IO9 Quadrula trigona, 93". tuberculata, 94*. undulata, 93*. Radix ampla, 52*. columella, 52*. Retusa, 267. gouldi, 26T. Rissoa, I9\ aculeus, ig2. areolata, 19°. laevis, 19*. latior, i96. minuta, ig1. stimpsoni, 19*. Rissoidae, i86. Rissoinae, ip1. Sanguinolaria fusca, 684. sordida, 68". Saxicava, 6s6. arctica, 6s7. distorta, 657. pholadis var., 65T. Saxicavidae, 6s6. Scala, io7. angulata, io7. humphreysii, io8. lineata, io9. multistriata, io8. Scalaria angulata, io7. humphreysii, io8. lineata, io9, n1. multistriata, io8. Scaphander, 2S9. punctostriatus, 25°. Scenea, i89. planorbis, i89. Sceneinae, i88. Scissula iris, see Tellina (Scissula) iris. Scutibranchiata, 248. Segmentina, 622. armigera, 622. Semelidae, 67". Serripes, 78°. gronlandicus, 78'. Sigaretus, 9*. perspectivus, 9*. Siliqua, 6s2. costata, 65*. Sinupalliata, 643. Sipho, 5a. islandicus, 52. pygmaeus, 5s. stimpsoni, 5s. ventricosus, 5*. Siphonida, 642. Skenea planorbis, 18". serpuloides, i89. Solariella, 2S2. obscura planula, 252. Solariidae, io6. Solecurtus bidens, 656. caribaeus, 65*. gibbus, 65*. Solemya, 79". velum, 79°. Solemyidae, 79". Solen ensis, 649, 65'. siliqua, 6s1. vagina, 649. Solenidae, 64s. Soleninae, 65". Somatogyrus, 223. integer, 22*. isogonus, 223. subglobostis, 224. Sphaerium, 70*. croceum, 74*- fabale, 72*. fabalis, 725. occidentale, 722. partumeium, 738. partumium, 73a. rhomboideum, 70°. rosaceum, 73". secure, 745. • securis, 741. simile, 70'. similis, 708. solidulum, 71". stamineum, 727. striatinum, 7i3. sulcatum, 70*. transversum, 72", 731. truncatum, 73°. vermontanum, J21. no NEW YORK STATE MUSEUM Sphyradium, 33*. edentulum, 331. Spirula, 39. peroni, 3'. Spirulidae, 3*. Spisula, 67*. solidissima, 67*. Stenotrema hirsuta, 39°. mo no don, 39", 401. var. fraterna, 40*. var. leaii, 40*. Strepomatidae, 15*. Strobila labyrinthica, 467. Strobilops, 46". affinis, 471. labyrinthica, 46*. virgo, 471. Strophitus, 85*. edentula, 8s7. edentulus, 85*. var. pavonius, 8s7, 85*. undulatus, 85°, 86a. Stylifer, I2\ stimpsoni, I21. Stylommatophora, 27*. Succinea, 49*. a urea, so8, 51*. avara, so5. obliqua, 49T, 50*. totteniana, so2. ovalis, 49*. retusa, 49*. totteniana, 50*. Succineidae, 49*. Sycotypus canaliculata, 5*. Symphynota, 89°. benedictensis, 881. complanata, 90*. compressa, 89*. var. plebius, 901. costata, 9O5. viridis, 902. Tachea hortensis, 4i6. Tagelus, 6s4. divisus, 65'. gibbus, 65*. Tebennophoridae, 477. Tebennophorus carolinensis, 47*. 48l. dorsal is, 48s. Tectibranchiata, 25T. Tectura alveus, 25T. testudinalis, 255. Tellina, 678. fusca, 685. (Scissula) iris, 683. (Angulus) tenella, 681. tenera, 67". tenta, 687. (Angulus) versicolor, 682. Tellinidae, 67". Teredidae, 64*. Teredo, 64*. dilatata, 64*. navalis, 64*. Thracia, 665. conradi, 66s. truncata, 66a. Torinia, io8. borealis, io6. Tornatella punctostriata, 26*. Tornatellidae, 26*. Tornatellinae, 261. Tornatina, 26*. canaliculata, 2&. Trachydermon, 641. albus, 641. Triforis, 15*. nigrocinctus, 15'. Triodopsis fallax, 35*. palliata, 38'. tridentata, 35*. Trochidae, 24*. Trophon, 4*. clathratus, 4". scalariformis, 4*. Truncilla, 8o4. triquetra, 8o4. Trypanostoma pallidum, 16*. subulare, is7. Turbonilla, I22. areolata, I28. costulata, 12*. elegans, I24. grandis, I29. interrupta, I2a. stricta, I25. INDEX TO MOLLUSCA OF NEW YORK III Turbonillidae, I22. Turritella, n3. crosa, IIs. interrupta, I22. Turritellidae, n3. Ulostoma profunda, 362. Unio, 92*. alatus, 84*. anodontoides, 827. boydianus, 82s. cariosus, 8o9, Si1. coccineus, 94*. complanatus, Q27, 93*. compressus, 8p7. elegans, 85*. ellipsis, 851. fluviatilis, 92". georgina, Q28. gibbosus, 92*. gracilis, 84°. heterodon, 91*. hippopaeus, 932. inflatus, 8i7. iris, 837. leibii, 84°. ligamentinus, 82°. luteolus, 8i6. multiradiatus, 8iB. nasutus, 833. nodulosus, 92*. novi eboraci, 83". occidens, 8oT. ochraceus, 8i8. ovalis, 92*. parvus, 841. phaseolus, 853. pictorum, 92*. pressus, 89". purpurascens, 92*. pustulatus, 938. radiatus, 82*. rarisulcata, 92*. rectus, 828, 831. rhombula, 92*. rosaceus, 8i9, 821. rubiginosus, 93T. spatulatus, 838. subrostratus, 83*. tappanianus, 9