MOIililJSCA. 71 



Platyscllisma M'Coy Carb. Foss. Irel. 1844. nXarvg, latus; axiatia, fissura. Vretchoitlett. 

 Platystoilia Klein Tent. Meth. Ostr. 1753. nlarvg, latus; aro/ua, os. Cyclostotstuceu. 

 Plecoclicilus — (Vid. Plekoclieilus). — MMelicea. 



Plectaiiibonites Pand. Beitr. Geogn.Russ.iSSO.TT^To^piexusjcf^/Sco^umbo. Verebratutacea. 

 PlectostyllflS Beck Ind. Moll. Mus. Pr. 1837. nXsxrog, plexus; arvXog, stylus. MSeliceu. 

 Plectroilia Gray Syn. Brit. Mus. 1S40. nXijxrpov, plectrum. Ostracea. 

 PIectl*Of*ll©rBBS Feruss. Tabl. sysl. 1821. nXrjxrpov, pleclrum; cpopog, ferens. WJmeicea. 

 PleiodOBS Conr. Journ. Ac. Philad. . . . nXeicov, plus; obcov, dens. Wettaetea. 

 PlekoclieillBS Guild. Zool. Journ. m, 1828. nXsxco, p\ecto ; xsTXog, labrum. SSeficea. 

 Pleiirailisis Rafin. Cont. Monogr. Biv. 1831. nXsvpd, latus; aviaog, inaequalis. Terebrututacett. 

 Plcnriuia Rafin. Cont. Monogr. Biv. 1831. nXsvpd, latus. Verebratutetcea. 



Pleisrobci&ia Rafin. Ann. Sc. phys. Brux. 1820. nXsvpd, latus; ffifia, gressus. Wettueieu. 

 Plciirobraucllit ea Meck. \x\Leue Diss. de Pleurobr. 1813. nXsvpd; fipdyxia. Plettrobranchea. 

 PleucoliraiBCleaeiia Swains. Treat. Malac. 1840. Legendum Pleurobranchma. VectibrttStchiu. 

 PteurobrtlStchett Menke Syn. meth. Moll. 1830. nXsvpd; fipdyxia, branchiae. SSypobrttnchiu. 

 Pleuresbranchiatet Gray Syn. Brit. Mus. 1840. nXsvpd, latus; fipdyxia. MMypobrastchia. 



Pleurobrauchietae Gray Syn. Brit. Mus. 1840. Pleurobranchidium. SSypobrttttchiu. 



Plesil*oljl*ailclliclilillBMec/{.inLeMeDiss.dePleurobr.l813.^et/p«;/9^;'^K. Pteurobrustchea. 

 Pteurobranchinae Sicains. Treat. Malac. 1840. Pleurobranchus. MSypobs*astchia. 

 PletirobrailcllllS Cuv. Ann. Mus. v, 1804. nXevpov, latus; ppctyxog, branchiae. SSypobratlchiu. 

 Pleflfll*OCei*a Rafin. Enum. and Acc. 1831. nXevpov, latus; xspag, cornu. Vurbivtett. 

 Pleiii'0(loil Wood Mag. nat. Hist. 1840. nXevpd, latus; oScov, dens. Voiichaceet. 

 Pleiarotloiflta Beck Ind. Moll. Mus. Pr. 1837. nXsvpd, latus; 6§ovg, dens. SSeiicea. 

 Pleurotloilte Fisch. W. Mus. Demidoff. 1S06. nXevpd, latus; 68ovg, dens. SSeiicea. 

 Pleurouectia Swains. Treat. Malac. 1840. nXsvpd, latus; vqxrng, natator. PecttStea. 

 PlCfliroiiectiteS Schlolh. Petref. 1820. Pleuronectia. Pectistea. 



PleiiroillloriflS Ring Ann. a Mag. Nat. Hist. 1844. nXsvpd, costa; cpopog, ferens. jfLrcacett. 

 PlenropliyllilliaMecA. Arch.f.Anat.u.Physiol.lS^S.jt/l^Kjatus^t/A/lt^frondes. Phyttieliuceu. 



Pleuroiss Rafin nlsvpd, latus; covj, ocuius. = Melania. — Turbinea* 



PleiiropiiS Eschsch. Isis, 1825. nlsvpd, latus; novg, pes. Pleroptietet. 



PleiirorliyilcllllS Phill. Geol. Yorksh. 11, 1836. nlsvpd, latus; pvyxog, rostrum. Conchacea. 

 Pleurotoma Lam. Syst. An. s. vert. 1801. nlsvpd, latus; ro/irj, segmen. Purpuracett. 

 Pleurotomaria Defr. Dict. Sc. nat. xli, 1826. Pteurotoma. Vreschesiefees. 

 Ptettrotometritte Swains. Treat. Malac. 1840. Pleurotomaria. Trochoitleu. 

 Pteurotossiesrielue d'Orb. Paleont. Fr. n, 1842. Pleurotomaria. Vrochoitfea. 

 Pleiirotomariiiin Defr = Pletirotomaria. — Vs*ochoieteee. 



