14 ECHIWOIJEIOIATA. 



TetrapygHS Agass. Monogr. Echin. 2 de livr. 1841. xsxyug, quatuor; nvyi), anus. Vitiuvitlea. 



Thulassemaeea* Forb. Hist. of Brit. Starf 1840. &uluaau, mare. Motothuvitteu. 



Thatussematu Cuv. Regn. anim. 2 de ed. 1830. &uluaau, mare. Molothuvittea. 



TiialassiailtllllS Cuv. Regn. anim. 1830. &uluaoiog, marinus; uv&og, flos. jMolothUVittett. 



Tlieienota Brandt Act. Ac. Pet. 1835. &i]lrj, mamilla; vcoxog, dorsum. Motothuvilteu. 



Tliyoiie Oken Lehrb. d. Naturg. 1815. Nom. propr. Motothuvitteu. 



Thyones Forb. Hist. of Brit. Starf. 1840. Thyone. Molothuvitteu. 



Tiefleuiaiiiiia Leuck. Isis, 1831. Dic. Tiedemann. Molothuvitleu. 



Toilia Graij Ann. of Nat. Hist. 1840. Vox euphon. Astevitten. 



Tosia Gray Ann. of Nat. Hist. 1840. Vox euphon. Asfeviflea. 



Toxaster Agass. Catal. syst. Echin. 1840. ro'|oi>, arcus; ugrjp, stella. SpatttHfjOitfett. 



Toiopnc ustf s Agass. Monogr. Echin. 4 e livr. 1840. xoi-ov, arcus; nvsvat, spiro. Vittttvitlett. 



Trrpailg Jceg. De Holothur. 1833. Vox barbar. Motothuvitteu. 



Teiacrinus Munst. Beitr. z. Petref. i, 183'J. xpsTg, tres; xpivog, lilium. Vvinoitteu. 



Trianisites Rafin Vrinoitleu. 



Tricliaster Agass. Prodr. Echin. 1834. xpfau, triplex; dgrjp, stella. Ophiuvitleu. 

 TripilCIlStes Agass. Monogr. Echin. 4 e livr. 1841. xpi, ter; nvsvco, spiro. Vitlttritlea. 

 Trisaetis Link De Stell. marin. 1733. xpslg, tres; uxxlg, radius. Astevittea. 

 Triskaidecactis Link De Stell. marin. 1733. xpiaxuiSsxu, tredecim; uxxig, radius. AstevitletM. 



Trocllites Auct. veter xQOxsog, rotans. Vvinoitleu. 



Ulliopliora Gray Ann. of Nat. Hist. 1840. vvig, vomer; cpopsco, fero. Astevitieu. 

 Uraster Agass. Prodr. Echin. 1834. spu, cauda; ug>)p, stella. Astevitteu. 

 WJvasteviw Gray Ann. of Nat. Hist. 1840. Uraster. Asfevittett. 

 Vevmigvatla Forb. Hist. of Bril. Starf. 1840. Vermis; gradus. Molothuvitteu. 



ERRATA. 



Astropyga Gray lege anno 1825 et non 1827. 

 Post Camarosoma adde : 



Uampaiia V. Phels. Brief over Zee-Egel, 1774. Nom. propr. SpatUHjfOittett. 



Cidaridea Gray lege anno 1825 et non 1827. 

 Post Chirodota adde : 



Uiflarclla Desmoul. Etud. Echin. 1835. Cidaris. Vitluvitleu. 



Diadema Gr. lege anno 1825 et non 1835. 

 Discoidea Gray lege anno 1825 et non 1835. 

 Glenotremites Goldf. lege 1826 pro 18. 



