— 41 — 



HlesomphliL Rnfin. contin. 



Beck 1837. Ind. pag. 7. — subgenus Helicis, e sec- 

 tione tenuilabrium. 

 = Hyalinia Hartm. 



llesoniphyiiL (non Rafin.) Agass. 1846. Nom. zool. vid. 



praeced. 

 Hesoitiyona Latr. 1825. Fam. nat. (ed. Germ. p. 202.) 



Etym. /idoos, mediusj fivg, musculus. (vel fivcov, tu- 



mulus musculorum.) 

 Prima sectio Patuhpallorum. Familiae: Ostracea, 

 Pectinidae, Oxygona. 

 = Monomy aria Lamck. 



metaptera Rafin. 1820. Monogr. Biv. Ohio. (Ed. Chenu 

 p. 15.) Conf. Desh. Enc. meth. III. p. 445. 

 Etym. f.i€T(x, post, pone; nTSQov, ala. 

 Genus Uniodium, antea Proptera. Typus: Unio ala- 



tus Say. 



Ifletoptonia Phillips 1836. Geol. Yorksh. II. p. 223. * > 

 Leonh. et Br. Jahrb. 1841. p. 750. 



Etym. /iieTtoTiov, frons; TO///j, incisura. 



Novum genus fossile Patellae affine. 



Adoptat MoRRis 184.3. Brit. foss. p. 151. 



De Koninck 1844. Terr. anthr. p. 325. — Patellae 

 injungit. 



JVIlcrepizoa Zborzewski 1834. Nouv. Mem. Acad. sc. nat. 



Mosc. III. p. 310. * > Leonh. et Bronn Jahrb. 



18.36. p. 724. 

 Etym. /axQog, parvus; eW, in; ^mov, animaL 

 Divisio Molluscorum (?), in qua Odontina recen- 



setur. 



JVIicroeoneliiiJ^ Piiillips 1839 in Murchis. Silur. syst. * 

 Etym. /iiyQog, parvus; xoyxog, concha. 

 Genus fossile Gasteropodum. 

 Adoptat Morris 1843. Brit. foss. p. 151. 

 voi II ,3 * * 



