NO. 1205. SYNOPSIS OF THE NAIADES— SIMPSON. 833 



*Keevk, Couch. Icon., XVI, 1865, pi. xxv, fig. 125.— * Pjetel, Conch. Sam., 

 Ill, 1890, p. 171. 



* Unio mauritianus Lea, Pr. Ac. N. Sci. PhiLi., Ill, 1859, p. 1?2; * Jl. Ac. N. Sci. 



Phila., IV, 1860, p. 257, pi. xl, fig. 138; *0b8., VII, 1860, p. 75, pi. xl, fig. 138. 

 ^ Margaron {Unio) matiritiauns Lea, Syn., 1870, p. 42. 

 " ? Anodonta heldii Kustek, Couch. Cab. Ano., 1873, p. 64, pi. xix, fig. 1. 

 Anodonia cliinensis Kuster? Where? 



Philippines. The localities India and Mauritius given for this 

 species are no doubt erroneous. 



fDALLIELLA CREPERA Lea. 



* Anodonta crepera Lea, Pr. Zool. Soc. Loud., 1850, p. 198; * Ann. and Mag., VIII, 



1851, p. 494.— ^H. and A. Adams, Geu. Pec. Moll., II, 1857, p. 502.— "Lea, Jl. 



Ac.N. Sci. Phila., IV, 1860, p. 238, pi. lxxxiv, fig. 117; ^ Obs., VII, 1860, p. 56, 



pi. XXXIV, fig. 117.— "Clessin, Conch. Cab. Ano., 1873, p. 97, pi. xxix, figs. 



5, 6.—^ P.ETEL, Conch. Sam., Ill, 1890, p. 178. 

 *1Anodon creperus Sowerby, Conch. Icon., XVII, ^o. 16. 

 Margaron {Anodonta) crepera Lea, Syn., 1852, p. 50; 1870, p. 80. 



Luzon Island, Philippines. 



fDALLIELLA TENUIS Lea. 



* Anodonta tenuis Lea, Pr. Zool. Soc. Lond., 1850, p. 198; *Anii. and Mag., VIII, 



1851, p. 494 ; * Jl. Ac. N. Sci. Phila., IV, 1860, p. 237, pi. xxxiii, fig. 116 ; ^ Obs., 



VII, 1860, p. 55, pi. XXXIII, fig. 116.— *H. and A. Adams, Gen. Rec. Moll., II, 

 1857, p. 503. — *MusGRAVE, Phot. Couch., 1863, pi. i, fig. 8. — * Clessin, Conch. 

 Cab. Ano., 1873, p. 99, pi. xxx, figs. 3, 4.— '^P^tel, Conch. Sam., Ill, 1890, 

 p. 185. 



* Margaron {Anodonta) tenuis Lea, Syn., 1852, p. 53; 1870, p. 83. 

 ""Anodon tennis Sowerby, Conch. Icon., XVI, 1867, pi. xv, fig. 55. 



Luzon Island, Philippines. 



jDALLIELLA SUBCRASSA Lea. 



"" Anodonia suhcrassa Lea, Pr. Zool. Soc. Lond., 1850, p. 198 ; *Ann. and Mag., VIII, 

 1851, p. 495 ; ^ Jl. Ac. N. Sci. Phila., IV, 1859, p. 236, pi. xxxiii, fig. 115 ; ^ Obs., 



VIII, 1860, p. 54, pi. xxxiii, fig. 115.—* H. and A. Adams, Geu. Rec. Moll., II, 

 1857, p. 503.—* MusGRAVE, Phot. Conch., 1863, pi. i, fig. 3.—* Clessin, Conch. 

 Cab. Ano., 1873, p. 98, pi. xxxi, figs. 1, 2.— *P.etel, Conch. Sam., Ill, 1890, 

 p. 185. 



* Margaron {Anodonta) suhcrassa Lea, Syn., 1852, p. 51; 1870, ]3. 81. 

 "Anodon suhcrassa Sowerby, Conch. Icon., XVII, 1867, pi. xiii, fig. 42. 



Luzon. 



tDALLIELLA GRACILIS Lea. 



"" Anodonta gracilis Lea, Pr. Zool. Soc. Lond., 1850, p. 197; *Ann. and Mag., VIII, 

 1851, p. 193; *JLAc.]Sr.Sci.Phila.,IV, 1860,p.239, pl.xxxiv,fig.ll9; *Obs., 

 VII, 1860, p. 57, pi. xxxiv, fig. 119.—* H. and A. Adams, Gen. Rec. Moll., II, 

 1857, p. 503.— * Clessin, Conch. Cab. Ano., 1873, p. 99, pi. xxix, figs. 3, 4.— 

 *P^TEL, Conch. Sam., Ill, 1890, p. 180. 



"Margaron {Anodonta) gracilis Lea, Syn., 1852, p. 51; 1870, p. 82. 



Dingle, Isle of Panay, Philippines. 

 Pioc. N. M. vol. xxii — —53 



