SYNOFSIS OF THE NAIADES— SIMPSON. 691 



tUNIO LITTORALIS Lamarck.' 



* Unio Utioralis Lamakck^ Syst. An. sans Vert., 1801, p. 114. — * Draparnaud, 



Tab. Moll. Fr., 1801, p. 101; *Hist. Moll. Fr., 1806, p. 135, pi. x, lig. 20.— *Mil- 

 LET, Moll. Maiae et Loire, 1813, p. 74.— *Brard, Hist. Coq., 1815, p. 229.— 

 *GuviER, Regne Animal, II, 1817, p. 473. — *Lamakck, An. saiis Vert., VI, 1819, 

 p. 76. *— Desha YES, Enc. Method., II, 1827, p. 151, pi. ccxLViii, fig. 2.— "Mi- 

 CHAUD, Comp. Hist. Moll. Fr., 1831, p. 110.— '^Lea, Obs., I, 1834, p. 201.— 'Gou- 

 PIL, Hist. Moll. Sarthe. 183.5, p. 83.— *Philippi, Moll. Sic, 1886, p. 66.— *Eoss- 

 massler, Icon., V, 1837, p. 21, pi. xxia^ fig. 340.— ''Terver, Cat. Moll. Terr, 

 et Flav., 1839, p. 39.— "Sowerby, Couch. Man., 1839, fig. 145.— "'Gras, Moll. 

 Isere., 1840, p. 72, pi. A', fig. 20.— ^Hanley, Test. Moll., 1842, p. 201; -Biv. 

 Shells, 1843, p. 201, pi. xxi, fig. 13.— *Catlow and Reeve, Conch. Norn., 1845, 

 p. 60.— "PuTOX, Moll. Vosges., 1847, p. 74.— *Gassies, Moll. Agenais, 1849, p. 

 197.— *DuPUY, Hist. Moll. Fr., 1852, p. 632, pi. xxiii, fig. 8; xxiv, figs. 5, 6, 

 8. — "RossMASSLER, Icon., Ill, 1854, p. 37, pi. lxix, fig. 850.— 'Drouet, Nay. 

 Fr., II, 1857, p. 66, pi. m, figs. 1,2.— *H. and A. Adams, Gen. Reo. Moll., II, 

 1857, p.493.— *MoussoN, Coq. Terr. Fluv. Pal., 1861, p. 64.— *Reeve, Couch. 

 Icon., XVI, 1865, pi. xxii, fig. 98.— *Westerlund, Faun. Pal., II, Pt. 7, 1890, 

 p. 52.— *P.ETEL, Conch. Sam., Ill, 1890, p. 157. 

 ''Unio Uttoralis vai\ minor Rossmassler (part). Icon., XI, 1842, p. 14, pi. lv, figs. 

 743, ? 747.2 



* Unio Uttoralis var.. acarranicus Kobelt, Icon., IV, 1879, p. 40, pi. CLXi, tig. 1638. 



* Unio Uttoralis var. pianeusis Kobei^t, Icon., VI, 1888, p. 43, pi. CLXiii, fig. 1648. 



* Margarita ( Unio) litoraUs Lea, Syu., 1836, p. 32; 1838, p. 22. 

 "Margaron ( Unio) litoraUs Lea, Syn., 1852, p. 34; 1870, p. 54. 



" Unio litoraUs var. umbonatus Rossmassler, Icon., XII, 1844, p. 27, pi. LVi, fig. 754. 



* fUnio granosus Schumacher, Ess. Nouv. Syst., 1817, pi. ii, fig. 1.^ 



* Unio brevialis Lamarck, An. sans Vert., VI, 1819, p. 73. — " Lea, Obs., I, 1834, 



p. 200.-' 



* Unio nana Lamarck, An. sans Vert. VI, 1819, p. 76.— " Lea, Obs., I, 1834, p. 



202.— *Catlow and Reeve, Couch. Nom., 1845, p. 61.— "Westerlund, Faun. 

 Pal., II, Pt. 7, 1890, p. 83. 



* Unio rubens Menke, Syn., 1830, p. 149. — * Rossmassler, Icon., Vand VI, 1837, 



p. 56, pi. XXIX, fig. 412. 

 *' Unio subtetragona Michaud, Comp. Hist. Moll. Fr., 1831, p. 111. — * Gras, Moll. 

 Isere., 1840, p. 21. 



* Unio subtetragonus Catlow and Reeve, Conch. Nom., 1845, jj. 64. — * Dupuy, 



Hist. Moll. Fr., 1852, p. 634, pi. xxiv, fig. 7. 



' Lamarck refers this in the Animaux sans Vertebres first to his Systeme An. sans 

 Verti^bres, published iu 1801, and thirdly to Draparnaud (Hist. Moll. Fr., 1806). Dra- 

 parnaud jjublished this species under the name Unio Uttoralis without a figure in the 

 Tableau MoUusques de I'rance, 1801, which appeared, according to Moquin-Taudon, 

 about July 1 of that year. I do not know which has priority, but Lamarck refers 

 to a characteristic figure in the Encyclopedie Methodiqne (17i^'7), thus fixing the 

 species without a doubt, and as he is most generally considered its author I shall 

 credit it to him. 



'^Fig. 743 is a small U. Uttoralis. I think 747 is U. batavus. 



3 Only a partial inside view is given of two valves. Schumacher says it very 

 much resembles U. corrugatus Retzius, but is larger, and the teeth are very different. 

 I believe it is a U. Uttoralis. 



'Lamarck refers this species to the Isle of France. Sganzin states (Mdm. Soc. 

 Hist. Nat. Strasb., 1840-46, p. 8) that the amateurs he consulted in that island 

 assured him that no such mollusk was found there. According to Lea it is Unio 

 Uttoralis. 



