NO. 1205. SYNOPSIS OF THE NAIADES SIMPSON. 685 



xxv. fig. 124. *TATE, L. and F. W. Moll. Brit., 1866, pi. n, Hg. 2.* KOBELT, 

 Faun. Nass. Moll., 1871, p. 239.* LEHMAN, Die Schnecken, 1873, p. 292. 



* WESTERLUND, Faun. S. N. and D., 1873, p. 572. * CLESSIN, Dents. Ex. Moll, 

 1876, p. 458, fig. 299. "JORDAN, Jahrb. Dents. Mai. Ges., VI, 1879, p. 305. 



* DROUET, Union. Russ., 1881, p. 9; * Mem. Ac. Dijon, 3d ser., VII, 1882, p. 12 

 (reprint). * L. ADAMS, Coll. Man., 1884, p. 18, pi. L, fig. 10. * CLESSIN, Moll. 

 Oest., 1887, p. 738. *P.ETKL, Conch. Sam., Ill, 1890, p. 170. "KoBELT, Icon., 

 new ed., VI, 1893, p. 87, pi. CLXXIII, fig. 1115. * LOCARD, Coq. Fr., 1893, p. 

 212.* WESTERLUND, Act. Soc. F. and F. F., XIII, 1897, p. 162. 



* Margaron ( Unio) tumidus LEA, Syn., 1852. p. 36; 1870, p. 58. 



* Unio tn mill, i C. PFEIKFER, Nat. Dents. L. and S. Moll., II, 1825, p. 34, pi. vn, 



figs. 2, 3; pi. vin, figs. 1, 2. * KLEEBERG, Moll. Bor., 1828, p. 38. *PUTON, 

 Moll.Vosges, 1847, p. 71. 



* My a depresaa DONOVAN, Brit. Shells, III, 1801, pi. ci. *CHENU, Bib. Conch., 1st 



Ser., I, 1845, p. 71, pi. xxvi, figs. 1-3. 



* Unio depressus P.KTEL, Couch. Sam., Ill, 1890, p. 150. 



* Mya orate DONOVAN, Brit. Shells, IV, 1802, pi. cxxn. 1 * MATON and RACKETT, 



Tr. Linn. Soc. Lond., VIII, 1807, p. 39. * WOOD, Gen. Conch., I, 1815, p. 105, 

 pi. xix, fig. 5. *DILL\VYN, Cat., I, 1817, p. 50. ?TURTON, Conch. Diet., 

 1819, p. 106. * WOOD, Ind.Test., 1825, p. 12, pi. n, fig. 27c; * rev. ed., 1856, p. 16, 

 pi. n, fig. 27.* CHENU, Bib. Conch., 1st ser., I, 1845, p. 82, pi. xxxn, figs. 1-3. 

 Mi/aca oi-ata TURTON, Conch. Ins. Brit., 1822, p. 246; Man. Shells Brit. Is., 1831, 

 p. 21, fig. 12.* SWAINSON, Treat, on Mai., 1840, p. 277, fig. 56. 



* Mysca solida TURTON, Conch. Ins. Brit., 1822, p. 246, pi. xvi, fig. 2; Man. Shells 



Brit. Is., 1831, p. 22, fig. 13. 



* Mya ovalis MONTAGU, Test. Brit., 1803, p. 34. * FLEMING, Hist. Br. Anim., 1828, 



p. 416. 



Unio ovalis BROWN, L. and F. W. Conch., 1836, p. 101, pi. xvm, figs, 4,5; 111. 

 Rec. Conch., 1844, p. 82, pi. xxxi, figs. 12-14. * LEACH, Syn. Moll. Gt. Br., 

 1852, p. 322. 

 *Margariia (Unio) ovalis LEA, Syn., 1836, p. 35; 1838, p. 24 . 



* Unio mttelleri ROSSMASSLER, Icon., VIII, 1838, p. 41, pi. XL, fig. 541; XI, 1842, p. 



13, pi. LIV, fig. 739. 



* Unio pictorum BROWN, 111. Rec. Conch., 1844, p. 81, pi. xxxi, figs. 8-11. 



Northern and middle Europe ; eastern Siberia. 



UNIO TURTONI Payraudeau. 



*Unio turtoni PAYRAUDEAU, Cat. Moll. Corse, 1826, p. 65, pi. n, fig. 65.' 2 *PniL- 

 IPPI, Moll. Sic., 1836, p. 67. *ROSSMASSLKR, Icon., VII, 1838, p. 25, pi. xxxv, 

 fig. 492. * CATLOW and REEVE, Conch. Norn., 1845, p. 65. * REQUIEN, Cat. 

 Coq. Corse, 1848, p. 29. *Duruv, Hist. Moll. Franc., 1852, p. 651, pi. xxvu, 

 fig. 17. * PAULLUCCI, Bull. Soc. Mai. It., V, 1879, p. 107. * WESTERLI ND, 

 Faun. Pal., II, Pt. 7, 1890, p. 160. *P/ETEL, Conch. Sam., Ill, 1890, p. 170. 



*Unio capiyliolo PAYRAUDEAU, Cat. Moll. Corse, 1826, p. 66, pi. n, fig. 4. *Ross- 

 MASSLER, Icon., V and VI, 1837, p. 22, pi. xxiv, fig. 341; XII, 1844, p. 28, pi. 

 LVII, figs. 755, 756.* MOCJUIX-TANDON, Moll. Terr. Fluv. Fr., II, 1855, p. 574, 

 pi. L, figs. 3, 4. * WESTERLUND, Faun. Pal., II, Pt. 7, 1890, p. 146. * P/ETEL> 

 Couch. Sam., Ill, 1890, p. 147. 



* Unio capii/liolo var. bondini P/ETKL, Conch. Sam., Ill, 1890, p. 147. 



1 First described by Lister in Historia Animalium Angli;i>, 1678. 



This has often been confounded with I', pictorum, but is generally more rhomboid, 

 higher at the posterior part of the ligament, and more plainly marked at thereat 

 periods than that species. 



