— 318 — 



Polygyra Say. contin. 



SwAiNS. 1840. Malac. p. 330. — subgenus Lucer- 



nellae. 

 Synon. Helicodonta (sp.) Feruss. 

 Helicella (sp.) Feruss. 

 Polyiuesodu Rafin. 1820. Monogr. Biv. (ed. Chenu p. 27.) 

 Etym. Vocab. mutil. : TioXvg, multus; inioog, medius; 



odovgj dens. 

 Subgenus Cycladis vel genus Cycladium. 

 = Cyrena Lamck. 

 Polymita Beck 1837, Ind. p. 44. 



Etym. TcoXvf^uTog, filis multis contextus. 



Subgenus Helicis e sectione crassilabrium. Typus: 



Helix picta Born. 

 Synon. Helicogena (sp.) Feruss. 

 Helicella (sp.) Feruss. 

 Hemitrochus Swains. 

 Polynlces (male Polinices) Montf. 1810. Conch. syst. IL 

 p. 222. Cf. Blainv. 1826. Dict. sc. nat. tom. 42. 

 p. 310. — Polinicis — et Desh. Enc. meth. IIL 

 p. 804. 

 Etym. nolvveixrjg, filius Oedipi. Emendavit Menke 



1830. 

 A Naticis segregatum genus. Typus: Natica mam- 



milla Linn. 

 Rang 1829. Man. p. 191. — subgenus Naticae. 

 Gray 1842. Syn. Brit. Mus. p. 90. — genus Natici- 

 darum. 

 = Uber Humphr. 

 Polyodonta Fiscoer vid. Polydonta Fisch. 

 Polyodonta Mijhlf. 1811. Entw. p. 48. 



Etym. nolvg, multus; odovgj dens. ") 

 = Nucula Lamck. 



47) Polyodonla Renieri (1817.) genus Annulatorum = Eu- 

 molpe Oken. 



