NO. 1205. SYNOPSIS OF THE NAIADK8 SIMI'SO.X. 891 



* Margarita ( Unh) nimlraHn LEA, Syn., 1836, p. 25; 1838, p. 19. 

 ' Ifyridella unstrulis S \VAI.\SON, Tr. on Mai., 1840, p. 285. 

 *Maryaron ( Unio) auslralis LEA, Syn., 1852, p. 28; 1870, p. -14. 



*? Unio depressus LESSON, Voy. Coquille, 1830, II, p. 427, pi. xv, iig. r. 



* Margarita (Unio) depressm LEA, Syn., 1836, p. 32; 1838, p. 22. 

 *Margaron (Unio) depressus LEA, Syn., 1852, p. 33; 1870, p. HI. 



I'nlo ainlngnus PuiLiFPi, Couch., Ill, 1847, p. 47, pi. in, fig. 2. ' * SOWEIIHY, 

 Conch. Icon., XVI, 1868, pi. LXIX, fig. 355. * PA;TEL, Conch. Sinn., Ill, 1890, 

 p. 144. 



* Unio shnttleworthi KUSTER, Conch. Cab. Uuio, 1856, p. 152, pi. XLIV, fig. 2. 



* Unio phitippianui KUSTER, Conch. Cab. Unio, 1861, p. 235, pl.i.xxix, fig. 2. 

 *Unio balonnensis CONRAD, Pr. Ac. N. Sci. Phila., V, 1850, p. 10; Jl. Ac. X. Sci. 



Phila., II, 1854, p. 295, pi. xxvi, fig. 3. 

 *fUnio daniellii VILLA, Jl. de Conch., XIX, 1871, p. 328. * SMITH, .11. Linn. Soc., 



XVI, 1882, p. 307.* ? P.KTEL, Conch. Sam., Ill, 1890, p. 150. 

 Unio bednalli TATE. Where ?'- 



tDIPLODON AUSTRALIS var. LEGRANDI Petterd. 



* Unio depressus REEVE, Conch. Icon., XVI, 1864, pi. xvm, iig. 81. 



* 1'nio leyrandi PETTERD, Pr. R. Soc. Tasni., 1887, p. 22; 1888, p. 81. 



Australia; Tasmania. 



1DIPLODON JEFFREYSIANUS Lea. 



* Unio Jeffrey sian us LEA, Pr. Ac. N. Sci. Phila., I, 1871, p. 188 ; *J1. Ao. V. Sci. Phila., 



VIII, 1874, p. 23, pi. VH, fig. 20; *Obs., XIII, 1874, p. 27, pi. VH, fig. 20. 



Australia. 



tDIPLODON PROFUGUS Gould. 



*Unio profugus GOULD, Pr. Bost. Soc. N. II., 1850, p. 295 ; 3 *U. S. Expl. Exp., 

 XII, 1852, p. 429, figs. 543, 543a, 543^.* IT. and A. ADAMS, Gen. Rec. Moll., II, 

 18r>7, p. 494. * GOULD. Otia Conch., 1862, p. 88. 



*Margaron ( Unio) profugus LEA, Syn., 1852, p. 29. 



Hunter's River, ]^ew South Wales. 



DIPLODON MORETONICUS Reeve. 



* Unio moretonicus REEVE, Conch. Icon., XVI, 1865, pi. xxiv, fig. 118. 



Conch. Sam., Ill, 1890, p. 160. 

 *Mar(jaron (Unio) mortonicus LEA, Syu., 1870, p. 43. 



Tasmania. 



1 Credited to Parreyss in Utt. 



2 Specimens received from Mr. Bednall bearing the above name arc undoubtedly a 

 form of/), auslralix. I do not know whether it has been described or not. 



3 The types are in the U. S. National Museum collection. Lea believes it to be the 

 same as the australis. I am inclined to think it distinct. 



