682 PBOCEEDINGS OF THE NATIONAL MUSEUM. 



i.UND, Faiui. 8. N. and D., 1873, p. 574.— *Lkiimax, l^ie Sclinecken, 1873, 

 p. 290. — 'Clessin, Deutsche Ex. Moll., 1876, p. Joo, tig. 294. — *Jokdan, 

 Jahrb. Dents. Mai. Ges.,VI, 1879, p. 301.—* Dkouet, Mem. Acad. Dijon, VII, 

 1882, p. 10 (reprint).— *L. Adams, Coll. Man., 1884, p. 18, pi. i, tig. 11.— 



* fCLESSiN, Moll. Oest., 1887,p.723.— P.ETK.i., Conch. Sam., 111,1890, p. 163. 

 " Baphiiv. inctormn Meuschen, Mus. Gevers., 1787, p. 472. 



* Lijmnium piciorum Oken, Lehrb., 1815, p. 237 



" My sea pictorum Tueton, Concb. 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. 



* Mar gar on {Unio) pictorum Lea, Syn., 1852, p. 36; 1870, p. 58. 



* Mya angusta suhflava, etc., Schroter, Fluss. Couch., 1779, p. 184, pi. iii, fig. 3; 



pi. IV, lig. 6. 



* Mya nodosa Gmelin, Syst. Nat., 13th ed., 1788, p. 3222.' — ' Wood, Gen. Couch., I, 



1815, p. 110.—* DiLLWYN, Cat., I, 1817, p. 54.—* Wood, Ind. Test., 1825, p. 12, 

 pi. II, fig. 34a; *rev. ed., 1856, p. 16, pi. ii, fig. 34.—* P.etel, Couch. Sam., III. 

 1890, p. 16L 



* ? Unio conus Spengler, Skriv. Selsk. Nat., Ill, 1793, p. 60. 



* Mya ovalis Donovan, Brit. Shells, III, 1801, pi. lxxxix. — *Tubton, Brit. 



Fauna, 1807, p. 146. 



* ? Unio oralis Sowebby, Eec. and Foss. Shells, No. XVI, 1823, fig ' .— * ? Eeeve, 



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.etel, Couch. Sam., Ill, 1890, p. 162. 

 "" Mya noduJosa Wood (part). Gen. Conch., I, 1815, p. 106, pl.xxii, figs. 3, 4.= 



* Unio nodulosa Lamarck, An. sans Vert., VI, 1819, j).78. 



* Unio rostrata Lamarck, An. sans Vert., VI, 1819, p. 77. — *C. Pfeiffer, Nat. 



Deuts. L. and Suss. Moll., Pt. 1, 1821, p. 114, pi. v, fig. 8. — * Waardexbkrg, 

 Com. Hist. Nat. Animalium, 1827, p. 36.— * Lamarck, Enc. Meth., II, 1830, 

 p. 586.—* MiciiAUD, Comp. Hist. Moll. Fr., 1831, p. 108, pi. xvi, fig. 25.— 



* Brown, L. and F. W. Conch., 1836, p. 109, pi. xx, figs. 1, 2; *I11. Eec. 

 Conch., 1844, p. 82, pi. xxxii, figs. 9-12.—* Puton, Moll. Vosges, 1847, p. 70.— 



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



*Unio rostratus Chenu, Man., II, 1859, p. 137, tig. 658. — *Westerlund, P'aun. der 

 Pal., II, Pt. 7, 1890, p. 104.— *P.ETEL, Conch. 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. 



*Uni.o mancus Drouet, Moll. Cote d'Or, 1867, p. 103. — * Westerlund, Faun, der 

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



* Unio limosus Nilsson, Hist. Moll. Svec, 1822, p. 110. — "" Eossmasslek, Icon., Ill, 



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

 XXII, XXIII. — *P.ETEL, Concb. Sam., Ill, 1890, p. 157.— * Westerlund, Faun. 

 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. 

 *U7iio desliayesHMiciiAXSJ), Comp. Hist. Moll. Fr., 1831, p. 107, pi. xvi, fig. 30. — 



* Eossmassler, Icon., Ill, 1836, p. 23, pi. xiii, fig. 197.—* Gras, Moll. Isere. 

 App., 1840, p. 21.— * Brown, 111. Eec. Concb., 1844, p. 81, pi. xxxii, figs. 

 1-4; L. andF. AV. Conch., 1845, p. 108, pi. xx, figs. 3, 4.— * Locakd, Coq.de 

 Fr., 1893, p. 210. 



* Unio duMus Fitzinger, Syst. Verz., 1833, jj. 119. 



* Unio michaudiana Des Moulins, Actes Soc. Linn. Bord., VI, 1833, p. 27, plate. 

 *Unio ?ow</M-os«m, Eossmassler, Icon., Ill, 1836, p. 26, pi. xiv, fig. 200; XI, 1842, 



1 Gmelin refers to Conch. Cabinet X, p. 347, pi. clxx, fig. 1650, which is, I am quite 

 certain, a young U. pictorum. 



" Two species are figured; figs. 1 and 2 are a heavy, iuliated Chinese species ; ligs. 3 

 and 4 are no doubt pictorum. 



