— 179 — 



Ostridae teste Agass. Nom. 



Etym. Ostrea. (Ostreina corr. Agass.) 

 ?= Ostracea Lnmck. 

 Otala ScnuM. 1817. Ess. p. 191. 



Etym. ovg, auris; aA?;, vagalio. (?) 

 Sect. a) = A c a V u s Montf. et 1 a 1 a Beck. 

 /?) = Gibbus Monlf. 

 Otala Beck 1837. Ind. p. 35. 



Subgenus Heh'cis, e sectione crassilabrium. Typus: 



Cochlea Pouchet Adans. 

 Syvon. Cochlea (sp.) Adans. 

 Otala sect. a (p. p.) Schum. 

 Hehcostyla sect. marginatae (sp.) Feruss. 

 Hehcogena (sp.) Feruss. 

 Acavus (sp.) Blainv. 

 Hemicycla Swains. 

 OtaTia Risso 1826. Hist. IV. p. 132. 

 Etym. ? 



Genus Goniostomorum. 

 = Clanculus Montf. 

 Otidea Blainv. 1824. Dict. sc. nat. tom. 32. p. 292. et 1825. 

 Mal. p. 502. Cf. Desh. Enc. meth. III. p. 682. 

 Etym. ovg, auris. 



Prima familia Scutibranchiatorum. Genera: Hah'otis, 

 Ancylus. 

 Otii^ HuMPiTREY 1797. Mus. Calonn. * Cf, Fer. 1819. Prodr. 

 pag. 78. 

 Etym. ovg , auris. '*) 

 Genus Testaceorum terrestrium. 

 ? Hartm. 1840. Syst. Uebers. — subgenus Aiiriculae^ 

 = Auricula (sp.) Lamck., Polydonta Fisch., Chi- 

 lina Gray et Bulimus (sp.) Scop. 

 Otostomus Beck 1837. Ind. p. 55. 

 Etym. ovg, auris; GTOfia, os. 



74) Otis Linn. (1748.) geiiiis avium. 



