— 197 — 



1817. Cristaria tuberculata Schumacher, Nouv. Syst., 



p. 107, pi. XX, (ig. 2. 



1825 ? Mydlus pHcatus Solander m Gray, On the 



Structure of Pearls and 

 on the Chinese mode of 

 producing- thèse «/i Ann. of 

 Philosophy, new ser., vol. 

 IX, p. 27-29. 



1825. Darbala pUcala Gray, ibid. p. 28. 



1825. Anodonta Dipsas Blainville, Man. de Ma- 



lac. p. 538, pi. 66,fig. 2. 



1830. Sympinjnota Bi-alata Lea, Tr. Am. PhiJ. Soc. 



new ser. 111, p. 445, pi. XIV, 

 fig. 24. 



1831. — — Lea, Obs. G. Unio I, p. 59, 



pi. XIV, fig. 24. 

 1835. Unio bi-alata Deshayes, in Lamarck, 



Anini. s. Vert., 2^ éd. VI, 



p. 558. 

 [S3S. M argarita( Dipsas ) plicatus Lea, Synopsis p. 28. 

 1839. Unio bialatus Deshayes, Traité élém. de 



Conch., p. 19, pi. XXXI, 



fig . 3. 

 1839. Dipsas plicatns So\verby, Conch. Manual, 



pi. Vlll, fig. 142. 

 1843. Unio bialata Desh. Hanley, Biv. Sh. p. 214, 



pi. -22, fig. 4. 

 1845. Dipsas plicatus Chenu, Bibl. Conch. Ill 



(Leach). p. 15, pi. (3, fig. I. 

 1845. Unio bialatus Desh. Catlo\v et Reeve, Conch. 



Xomencl., p. 56. 

 1847. Anodonta {Dipsas) hcrculea MiDUE^DOHFF, Bull. Phys. 



Math. Ac. Se. Petersb. VI, 



p. 303. 



