iO ECHDfODERMATA. 



Oplliolepis Miill. et Trosch. Wiegm. Arch. 1840. 6<pig, anguis; Xsnig, squama. Ophinridea. 



Oplliomy&a MiiU. et Trosch. Wiegm. Arch. 1840. ocpig, anguis; /uv§a, muxa. Ophiuridea. 



Opllionyx Miill. et Trosch. Wiegm. Arch. 1840. ocpig, anguis; ovv^, unguis. Ophiuritlea. 



Oplliopliolis Miill. et Trosch. Wiegm. Arch. 1840. ocpig, anguis; cpolig, squama. Ophiuriltett. 



Oplliosoma Gray Ann. of Nat. Hist. 1840. ocpig, anguis; aa/ia, corpus. Ophiuridea. 



Oplliotlirix Miill. et Trosch. Wiegm. Arch. 1840. ocpig, anguis; &q)£, pilus. Ophiurittea. 



Opllilira (Lamk.) Agass. Prodr. Echin. 1S34. ocpig, anguis; sga, cauda. Ophittrittea. 



Ophiures Agass. Prodr. Echin. 1834. Ophiura. Echinotlermtllu. 



Opllilirella Agass. Prodr. Echiu. 1834. Ophiura. Ophiuritleu. 



Ophiuritla Gray Syn. Brit. Mus. 1840. Ophiura. Eehinodermata. 



Ophiuritta; Gray Syn. Brit. Mus. 1840. Ophiura. OphiurifSetl. 



Orllitreillites Gray Syn. Brit. Mus. 1840. Orbis; r^fin, foramen. Crinoitlea. 



Otllilia Gray Ann. of Nat. Hist. 1840. Vox euphon. .isleritietl. 



Ova V. Phels. Brief over Zee-Egel, 1774. Nom. propr. Sptllangoitletl. 



Pacliygaster Gray Syn. Brit. Mus. 1840. naxvg, crassus; yag^, venter. Spatangoidetl. 



Palmasterias De Bl. Dict. Sc. nat. lx, 1830. itdlfia, parma; u&iq, stella. Asleriflea. 



Palmipes Link De Stell. marin. 1733. Palma; pes. Asteridea. 



Patiria Gray Ann. of Nat. Hist. 1840. Vox euphon. Asleritietl. 



Paiilia Gray Ann. of Nat. Hist. 1840. Vox euphon. Asteritlea. 



M*etltltte Brandt Act. Ac. Pet. 1835. Pedatus. MMololhuridea. 



Pedicellaria 0. F. Miill. Zool. Dan. 1789. Pedkellum. Echinidea. 



Pedicellata Cuv. Regn. anim. l e ed. 1817. Pedicellum. Echinodermala. 



Pedilia Agass. Echin. suiss. 2 e p. 1840. neSivog, planus. Citlaridea. 



Peltastes Agass. Monogr. Echin. l e livr. 1838. nsTsxag^g, clypeatus. Cidurittea. 



PentaceritMte Gray Syn. Brit. Mus. 1840. Pentaceros. .isleritletl. 



Peiltaceros Link De Stell. marin. 1733. %svrdg, quinque; x4joag, cornu. Aslerifletl. 



Pentacerotitlte Gray Ann. of Nat. Hist. 1840. Pentaceros. Asleritletl. 



Penlacerotina Gray Ann. of Nat. Hist. 1S40. Pentaceros. Asleritletl. 



Pentacriilites Mill. Nat. Hist. Crinoid. 1821. nsvtdg, quinque ; xQivog, lilium. Crinoideu. 



Penlacrinilitlte Gray Syn. Brit. Mus. 1840. Pentacrinites. Crlnoldea. 



PeiltacriiHlS (Thomps.) Agass. Prodr. Echin. 1834. nsvtag; quinque; xglvog, lilium. Crinoidea. 



Pentacta Goldf. Handb. d. Zool. 1820. nsvrdg, quinque; dxzlg, radius. MMolothuritleu. 



Penlaette Forb. Hist. of Brit. Starf. 1840. Pentacta. MMolothuritlea. 



M*entactitlte Gray Syn. Brit. Mus. 1840. Pentacta. MMololhuritiea. 



Pentadactylosaster Itn^DeStell.mar.l733.«ewK^quinque;()«^r^off,digitus;«p} ? ,stella.^l.«#€?ri<f. 



Peiltagonaster Link I)e Stell. marin. 1733. nsvrdycovog, pentagonus; dgr/g, stella. isleritletl. 



