286 I'ROCEEDiyati of the yATlOSAL MUSEUM. VOL. 37. 



Lucina jandrenns Reeve^Diplodonta punctata Say. 



Lucinanitens Ree\e=Diplodonta sericata Reeve. 



Lueina venezuelensis Dunker= Diplodonta punctata Say. 



Lucinopsis kroyeri Poulsen is not Cyclinella kroyeri Philippi. 



Lunatia Gray cf. Euspira Agassiz. 



Lyonsia brevifrons SoweTby=Entodesma cuneata Gray. 



Lyonsia cuneata Orhigny=Entodesma cuneata Gray. 



Lyonsia patdgonica Orhigny =^ Entodesma cuneata Gray. 



Lyonsia picta Sowerhy = Entodesma cuneata Gray. 



Macoma occidentalis Dall=J/. undulata Hanley. 



Mactra calbucana Philippi, 1893=MuUnia hyronensis (Tray. 



Mactra cibaria riiilippi, 1893= J/u/in/a edulis King. 



Mactra cuneola ijou\d = ^fultnia edulis King. 



Mactra epidermia Yh'iVipp'i, 1893= Midinia edulis King. 



Mactra jonasi Philippi, 1S9'3= 3Iulinia bicolor Gray. 



Mactra lotensis Philippi, 1893=MuZinia edulis King. 



Mactra marcida Gou\d= Mulinia edulis King. 



Mactra paitensis Philippi, 1893= J/, veluta Philippi, 1848. 



Mactra pcucana Philipjn, 1893=J/u^iHia hyronensis Gray. 



Marginella cijpricola So«erby=£r«/o srahriusrida Gray. 



Marginella granum Kiener, 1835 not of Philippi \8h{i=Erato scabriusvala Gray. 



Marimda calUwensis Petit, 1854=3/. marinella KiiKter. 



Meleagrina Lamarck, see Margaritiphora Megerle. 



il/efon^CTia Schumacher, 1817= Ga^eoc/es Bolten, 1798. 



Mesodesrna chilensis Orbigny=3/'. donaciuni Lamarck. 



Mitra cJdlensis Kiener, 1836=3/. orientalis Gray. 



Mitra forarninala Swainson, 1835=3/. lens Mawe. 



Mitrafuniculata lieeve, 1844=3/. sulcata Swainson. 



Mitra iuca Orbigny, 1841=3/. lens Mawe. 



Mitra lignaria Reeve, 1844=3/. lens Mawe. 



Mitra lineata Swainson, not Gmelin = 3/. sulcata Swainson. 



Mitra maura Swainson, 1835=3/. orientalis Gray. 



Mitra rupicola Reeve, 1844=3/. lens INIawe. 



Mitrularia, cf. Cheilea. 



Mitrularia cepacea Broderip= C/ieiZea equestris Linnfeus. 



Modiola caudlgera Lamarck = Li thophag a aristata Dillw3'n. 



Modiola ovalis C\essin= Mod i olus jmrj^uratus Lamarck. 



Modulus trochiformis Eydoux and Souleyet=3/. pcrlatus Dillwyn. 



3/o;(Ocn'os Lamarck, not B\och—Acanthina Fischer. 



Monoceros citrinum Sowerhy =Acant}iina calcarlongum Marty n. 



Monoceros eostatum Sovferhy = Acanildna calcarlongum Martyn. 



Monoceros crassilabrum Sowerby =Acanlliina calcarlongum Martyn. 



Monoceros cymcUum Sowerby =Acanthina lugubris Sowerby. 



Monoceros fusoides King= C/iorus giganleus Gray. 



Monoceros glabratum Deahayes= Acanthina calcarlongum Martyn. 



Monoceros globulus Sowerby = Acanthina calcarlongum Martyn. 



Monoceros imbricalum Sowerby = Acanthina calcarlongnin Martyn. 



Monoceros maculatum Gray = Acanthina brevidentata Mawe. 



Monoceros muricatum Iieeve=Acanthina muricata Broderip. 



Monoceros unicornc Gray=Acanthina calcarlongum "Slartyn. 



Monodonia carckidonivs Lamarck, cf. Modulus perlatus Dillwyn. 



Monodonta catenifera Potiez and Micliaud, 1838, not of Kiener, 1836=Tegula (juadri- 



coslala (Jray. 

 Mouretiu reticulata Sowerby, lS35 = tiadiuiape^'uiiana Sovverbv. 



