682 PROCEEDINGS OF THE NATIONAL .l/TNAV.l/. TO-.XXII. 



I. I'M). Fan ii. S. N. ami I)., 1*73. p. ~>7I. *LKIIM.\N, Die Sclinecken, 1873, 

 p. 2!IO. ' CI.ESSIN, Dontsclie Kx. Moll., 1876, p. 453, fig. 2!M. '.JORDAN, 

 Jahrb. Dents. Mai. Ges.,VI, 1879, p. 301. * DKOI:ET, Mem. A cad. Dijon, \'II, 

 1882, p. 10 (reprint). *L. ADAMS, Coll. Man., 1884, p. 18, pi. I, fig. 11. 



* f CLESSIN, Moll. Oest,, 1887, p. 723. P.KTKI., Conch. Sam., Ill, 1890, p. 163. 



* Baphiw plctorum MEUSCHEN, Mus. Gevers., 1787, p. 472. 



* Lymnium pirlontm OKEN, Lehrb., 181.1, p. 237 



* Afysca pictorum TURTON, Condi. Ins. Brit., 1822, p. 245; * Man. L. and F. W. 



Shells, Brit. Is., 1831, p. 20, fig. 11. 



* Margarita ( Unio) pictorum LEA, Syn., 1836, p. 36; 1838, p. 24. 



* Margaron (Unio) pictorum LEA, Syu., 1852, p. 36; 1870, p. 58. 



* Mtja auyuata subflava, etc., SCHROTKR, Fluss. Concb., 1779, p. 184, pi. m, fig. 3; 



pi. iv, fig. 6. 



* My a nodosa GMELIN, Syst. Nat., 13tb ed., 1788, p. 3222.'" WOOD, Gen. Couch., I, 



1815, p. 110.* DILLWYN, Cat., I, 1817, p. 54. WOOD, Ind. Test., 1825, p. 12, 

 pi. n, fig. 34a; * rev. ed., 1856, p. 16, pi. n, fig. 34.* P.KTKI., Concb. Sam., III. 

 1890, p. 161. 



* f Unio conns SPBNGLER, Skriv. Selsk. Nat., Ill, 1793, p. 60. 



* Mya ovalis DONOVAN, Brit. Shells, III, 1801, pi. LXXXIX. * TURTON, Brit. 



Fauna, 1807, p. 146. 



* ? Unio oralis SOWERBY, Eec. and Foss. Shells, No. XVI, 1823, fig . * ? REEVE, 



Conch. Syst., I, 1841, p. 117, pi. LXXXVII, fig. 1. * CHENU, Bib. Conch., 1st 

 ser., I, 1845, p. 67, pi. xxiv, figs. 1-3.* P.KTEL, Couch. Sam., Ill, 1890, p. 162. 



* Mi/a nodulosa WOOD (part), Gen. Conch., I, 1815, p. 106, pi. xxn, figs. 3, 4.- 



* Unio tiodulosa LAMARCK, An. sans Vert., VI, 1819, p. 78. 



* Unio roslrala LAMARCK, An. sans Vert., VI, 1819, p. 77. (J. PFEIKFER, Nat. 



Dents. L. and Suss. Moll., Pt. 1, 1821, p. 114, pi. v, fig. 8. WAARDEXBKRG, 

 Com. Hist. Nat. Animalium, 1827, p. 36.* LAMARCK, Enc. M^th., II, 1830, 

 p. 586. "MiciJAUD, Comp. Hist. Moll. Fr., 1831, p. 108, pi. xvi, fig. 2.1. 



* BROWN, L. and F. W. Conch., 1836, p. 109, pi. xx, figs. 1, 2; "111. Rec. 

 Conch., 1844, p. 82, pi. xxxn, figs. 9-12.* PUTON, Moll. Vosges, 1847, p. 70. 



* GRAS, Moll. Isere., 1840, p. 71, pi. v, fig. 21. 



*Unio restrains CHENU, Man., II, 1859, p. 137, fig. 658. *WKSTERLUND, Faun, der 

 Pal., II, Pt. 7, 1890, p. 104. *P.KTKL, Concb. Sam., Ill, 1890, p. 166. *LOCAUD, 

 LesCoq. de Fr., 1893, p. 207. WESTERLUND, Act. Soc. F. and F. F., XIII, No. 7, 

 1897, p. 165. 



* Unio manca LAMARCK, An. sans Vert., VI, 1819, p. 80. 



*l'nio mancus DROUET, Moll. Cote d'Or, 1867, p. 103. * WKSTEKLUND, Faun, der 

 Pal., II, Pt. 7, 1890, p. 85. 



* Unio limosus NILSSON, Hist. Moll. Svec., 1822, p. 110. * ROSSMASSLER, Icon., Ill, 



1836, p. 24, pi. XIII, fig. 199.* KUSTER, Concb. Cab. Unio, 1854, p. 80, pis. xxi, 

 xxn, xxni. * P.KTKI., Concb. Sam., Ill, 1890, p. 157. * WKSTKUIJ-ND, Fann. 

 Pal., II, Pt. 7, 1890, p. 115. *LOCARD, Coq. de Fr., 1893, p. 211. * WESTER- 

 LUND, Act. Soc. F. and F. F., XIII, No. 7, 1897, p. 166. 



* Unio dcsliayesii MICHAUD, Coinp. Hist. Moll. Fr., 1831, p. 107, pi. xvi, fig. 30. 



* ROSSMASSLER, Icon., Ill, 1836, p. 23, pi. xin, fig. 197. *GRAS, Moll. Isere. 

 App., 1840, p. 21. "BROWN, 111. Rec. Concb., 1844, p. 81, pi. xxxn, ligs. 

 1-4; L. and F. W. Conch., 1845, p. 108, pi. xx, figs. 3,4. * LOCAKD, Coq. de 

 Fr., 1893, p. 210. 



*Unio duMus FITZINCER, Syst. Verz., 1833, p. 119. 



* Unio micliaiidiana DKS MOULINS, Actes Soc. Linn. Bord., VI, 1833, p. 27, plate. 



*Unio Iongiro8tri8, ROSSMASSLER, Icon., Ill, 1836, p. 26, pi. xiv, fig. 200; XI, 1842, 



__ j 



1 Giueliu refers to Couch. Cabinet X, p. 347, pi. CLXX, fig. 1650, which is, I am quite 

 certain, a young U. pictorum. 



2 Two species ai-e figured; figs. 1 and 2 are a heavy, inflated Chinese species; ligs. 3 

 aud 4 are no doubt pictorum. 



