■X BII\OIU;flSUVrA. 5 



Cytintlroides De Bl. Bull. des Scienc. 1816. xvlivSpog, cylindrus. MMoEothuridea. 

 CypllOSOina Agass. Catal. syst. Echin. 1840. xvcpog, curvus; cco/ua, corpus. Ciffaritletl. 

 Dactylosaster Gray Ann. of Nafci Hist. 1840. Sdxxvlog, digitus; dgr)p, stella. Asferitletl. 

 DactylOta Brandt Act. Ac. Pet. 1835. Saxrvlcorog, digitalus. MMolOthuridea. 

 Decactis Link De Stell. marin. 1733. Sixa, decem ; dxrlg, radius. Asferifletl. 

 DecaciieillOS Link De SLell. marin. 1733. Sixa, decem ; xmj/iij, radius. Crinoidea. 

 MtendrocMrotOi Brandt Act. Ac. Pet. 1835. SivSpov, arbor ; X elp, manus. MMolothurideu. 

 MMendropnetimones Br. Act. Ac. Pet. 1835. SivSpov, arbor; Ttvev/uov, puimo. MMotothuridea. 

 Mtetopneumones Br. Act. Ac Pet. 1835. Sixog, ligatus; iTvevficav, pulmo. MMolothuridea. 

 Diadema Gray Ann. of Phil. 1835. Nom. propr. Cidaridea. 



DichocrinilS Munst. Beitr. zur Petr. I. 1839. Si/a, divisus; xpivog, lilium. Crinoideu. 

 Dimerocriilites Phill. Murch. Silur. Syst. 1839. Si/ieprjg, bipartitus; xpivog, lilium. Crinoideu. 

 Diploperideris Br. Act. Ac. Pet. 1835. Smloog, duplex; nepiSipig, collare. MMolothurideu. 

 Disaster Agass. Prodr. Echin. 1834. Sig, bis; dgr)p, stella. Clypeustroidea. 

 Discoidea [Klein) Grayhnv. of Phil. 1835. Discus. Clypeastroidea. 

 Discoides Klein Nat. disp. Echin. 1734. Discus. Ctypeastroideu. 

 Ditremata Gray Syn. Brit. Mus. 1840. dlg, bis ; rpfj/ia, foramen. MZchinodermata. 

 Dodecactis Link De Stell. marin. 1733. ScoSexu, duodecim; dxrlg, radius. Asferifletl. 

 Dysaster Agass. Catal. syst. Echin. 1840. Siig, male; dgrjp, stella. Clypeastroidea. 

 MSchidna De Bl. Dict. Sc nat. lx, 1830. ixiSva, vipera. MSchinodermata. 

 EclliliaiiailS Kcen. Icon. sect. 18. ixTvog, echinus; vavg, navis. Ctypeastroidea. 

 Ecllinantllites Leske in Kl. Nat. disp. Echin. 1778. i X Tvog, echinus; dv&og, flos. Clypeustroidetl. 

 EcllinailthllS Breyn Sched. de Echin. 1732. i/Tvog, echinus; dv&og, flos. CtypetlStroidea. 

 Kchinarachlliiis V.Phels. Brief. over Zee-Egel, 1774. i%Tvog, echinus; dpaxvr), aranea. ClypetlStr. 

 Echiliaster Mull. et Trosch. Ber. Ak. Berl. 1840. i X Tvog, echinus; dgr)p, stella. Asferifletl. 

 Echinaster Gray Syn. Brit. Mus. 1840. i^Tvog, echinus; dgr)p, stella. Asteriflea. 

 MSchinasterina Gray Ann. of Nat. Hist. 1840. Echinaster. Asteridea. 

 Michinida Brandt Act. Ac. Pei. 1835. Echinus. Mchinodermata. 

 Kchinidtv Gray Ann. of Phiios. 1835. Echinus. Echinodermata. 

 MSchinidea Agass. Prodr. Echin. 1834. Echinus. Echinodermatu. 

 Echinina Brandt. Act. Ac. Pet. 1835. Echinus. Mchinidea. 

 Echinites V. Phels. Brief. over Zee-Egel, 1774. Echinus. Echinidetl. 

 EchinobrisSlIS Breyn Sched. de Echin. 1732. Echinus; Brissus. Sputtinyoitleu. 

 Ecllinocardium F.PAe/s.Brief. over Zee-Egel, Hli.ixTvog, echinus; xdpSia, cor. Spatunyoidea. 

 Echinocidaris Desmoul. Etud. Echin. l e part. 1835. ixTvog, echinus; xiSapig, diadema. Ciflaridetl. 

 Echinoclypeus De Bl. Dict. Sc. nal. lx, 1830. Echinus; clypeus. Clypetistroidea. 



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