— 526 — 



Sylvicola Humphr. contin. 



?= Cyclostoma (pars) Lamck. (= Helicella sect. 

 Lomastomae teste Fer.) 

 ISylYicoIa HiJBN. 1810. Epist. * teste Feruss. Prodr. p. 87. 



Genus Testaceorum terrestrium obscurum. 

 Syninia (Risso) Kien. Icon. g. Ovule p. 24. vid. Simnia. 

 l§ymi>liinota Villa 1841. Disp. syst. p. 43. vid. Sym- 

 phynota. 



ISympltonota Berge 1847. Conch.-Buch p. 69. vid. Sym- 

 phynota. , 



iSympIiynota Lea olim 1829. Observ. on the genus Unio 



p. 62. * — Trans. Amer. philos. Soc. III. * conf. 



Sow. jun. Conch. Man. p. 103. et ed. 2a p. 269. 

 Efym. ovi-icpvio, coalesco; vcorog, tergum. 

 Ab Anodontls segrogatum genus, quod Desh. (1832. 



Enc. meth. III. p.6I2.) et Conrad (Monthly Amer. 



Journ of Geol. * et 1834. New fresh-water sh. 



ed. Chenu p. 12.) rejiciunt, assentiente auctore 



1838. Observ. vol. II. 

 Anton 1839. Verz. p. 14. — subgenus Unionis. 

 SwAiNSON 1840. Malac. p. 381. — genus Anodonti- 



narum. 



Conf. Feruss. 1835 in Guer. mag. Cl. V. N. 59 

 et 60. p. 35. 

 Synon. Cristaria Schum. 

 ? Appius Leach. 



Dipsas Leach. 



Lasmonos Rafia. 



Dipsax Voigt. 

 :?= Metaptera Rafin. 



Symplega<Ies Latr. vid. Simplegades. 

 Symplega» Agass. 1847. Nom. zool. Ind. univ. vid. Sim- 

 p 1 e g a s. 



Syncepliala Fitz. 1833. Verz. p. 88. 



Etym. avv, cum; xecpaXr^, caput. 

 = Cephalaea Lamck. 



