— 235 — 



Perlstoiiiia Lainck. contin. 

 Synon. contin. 



Peristoinacea (p. p.) Fhil. 

 Peristomata Reeve. Catl. Sow. jiin. 

 Ampullarinae Swains. 

 Phytophaga Eriophthahna Gray p. p. 

 Peristomiana Jay 1839. Cat. shells p. 64. 



= Peristomia Lamck. 

 Perisiomi«ia Latr. 1825. Fam. nat. (ed. Germ. p. 183.) 

 Eiym. praec. (Peristomoidae corr. Agass.) 

 Gymnocochlidum iamilia prima. 



a) fluvia tilia. Genera : Paludina, Valvata. 



b) marina. Genera : Vermetus, Delphinula, Sca- 

 laria. 



= Peristomia et Scaiariana Lamck. 

 Peristomlda Brown 1833. Conch. Text-book. 



= Peristomia Lamck. 

 Peristomoidae (male) Agass. 1847. Nom. zool. Ind. univ. 

 vid. Peristomadae, Peristomia, Peristo- 

 mida. 

 Perlamater ScnuM. 1817. Ess. p. 107. 



Etym. Vocab. barb. = Matrix margaritarum. 

 = Meleagrina Lamck. 

 Perna Plin. Hist. hb. 32. cap. 54. * cf. Aldrov. de Testac. 

 lib. lU. cap. 76.* 

 Etym. nsQva, perna. 



TouRNEF. 1742. ap. Gualt. — genus Ditomorum arcte 

 clausorum. 

 ? = Pinna (sp.) List. 

 Perna Adans. 1757. Seneg. p. 207. 



Genus Bivalvium, Mytilos, Pinnas, Aviculas, et Car- 

 ditae speciem complectens. 

 Perna Retz. 1788. Diss. p. 20. 



A Mytilis segregatum genus. Typus: 3Iya perna L. 

 Adoptat ScHUM. 1817. Ess. p. 120. 

 Perna Brug. 1792. Enc. meth. tab. 176. 



Genus Bivalvium cx typo Ostreac periiae Linii. 



