— 208 — 



Cercomya Agassiz 1842. Etudes critiq. sur les Moll. foss. 

 3ine livr. p. 143. Conf. Leonh. et Br. Jahrb. 1843. 

 p. 747. 

 Etym. xiQxng, caiida; Mya. 

 Novinn genus 3Iyaceoruin. Typus: Sanguinolaria 



undulata Sow. 

 Conf. Leonh. et Bronn Jahrb. 1846. p. 122. 

 = Anatina Lamck. teste Oriiigny. 

 Cereales Fkruss. 1819. Prodr. p. 60. 

 Etym. Nom. adject. 



Subgens Cochlodontae. Typus: Pupa megachei- 

 los Jan. 



Pariter Rang 1829. Man. p. 169. 

 = Torquilla Faure-Biguet. 

 C;eriou BoLTEN 1798. Mus. (ed. 2a 1819. p. 63.) 

 Etym. xiiQiov, favus. 



Genus inconi^ruum, ad Pupas, Clausilias, Bulimos 

 et Cycloslomas referendum. 

 Ceripliaiiiia Swainson 1840. Malac. p. 204. 342. 



Etym. Vocab. malc formatum: Cerithium; (fccaig, 



aspectus. 

 Subgenus Cerithideae. Typus: 3Ielania canalicu- 

 lata Say. 

 = Melania (sp.) Lamck. 

 Ceritliaeea Wiegm. 1832. Handb. d. Zool. p. 537. 

 Etym. C e r i t h i u m. 



Familia Gasteropodum. Unicum genus: Cerithium. 

 RoMER 1836. Nordd. Ool. p. 140. — familia Pectini- 

 hranchiatorum. Genera: Potamides, Cerithium, 

 Nerinaea. 

 = Cerithiacea Menke. 

 Cerithia Feruss. 1821. Tabl. syst. p. XXXV. (Les Cerites.) 

 Etym. Cerithium. 



Tertia familia Pectinibranchiatorum Hemipomastomo- 

 rum. Genus unuin : Cerithium. 

 Pariter Rang 1829. Man. p. 206. 

 = Cerithiacea Mke. 



