692 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxii. 



*Unio incurvus Lea, Tr. Am. Phil. Soc, IV, 1831, p. 97, pi. xiii. fig. 27; 'Obs., I, 

 1834, p. 107, pi. XIII, fig. 27.—* Chenu, 111. Concli., 1858, pi. xi, figs. 1, la, lb. 



Unio draparnaldi Deshayes, Desc. Coq. Terr., 1831, p. 38, pi. xiv, fig. 6. — ' P.etel, 

 Conch. Sam., Ill, 1890, p. 151. 



* Unio inanensis Farines, Ann. des Sci. Nat., II, 1834, p. 118. — * Moller, Syn. Nov. 



Gen., 1836, p. 197.—* Dupuy, Hist. Moll. Fr., 1852, p. 635, pi. xxiv, fig. 4. 



* Unio higeirensis Millet, Guer. Mag., 1843, p. 3, pi. Lxiv, fig. 1. 



* Unio bigorrensis Locard, Coq. de Franc, 1893, p. 153. 



"Unio fellmani Deshayes, Hist. Nat. Moll. Alg., 1848, pi. cviii, figs. 8, 9. — 



* KusTEK, Conch. Cab., 1856, p. 151, pi. xliv, fig. 1. — * H. and A. Adams, Gen. 

 Eec. Moll., II, 1857, p. 491.— *P.etel, Conch. SauL, III, 1890, p. 1.52. 



*Mar(jaron ( Unio) fellmani Lea, Syn., 1870, p. 46. 



* Unio harrandii Dupuy, Hist. Moll. Fr., 1852, p. 635, pi. xxv, fig. 1. 



* Unio asfierianits DupUY, Hist. Moll. Fr., 1852, p. 636, pi. xxiir, fig. 9. — * Sowerby, 



Conch. Icon., XVI, 1868, pi. LXXXVi; fig. 461. — • AVesterlund, Faun. Pal., 

 II, Pt. 7, 1890, p. .53.—* Locard, Coq, de Franc, 1893, p. 153. 



* Unio cnneatus Rossmassler, Icon., XIII and XIV, 1854, p. 37, pi. lxix, fig. 851. — 



*PyETEL, Conch. Sam., Ill, 1890, p. 149. 



* Unio rJiomhoideits Moquin-Tandon, Moll. Terr. Fluv. Fr., II, 1855, p. 568, pi. 



XLViii, figs. 4, 9 ; XLix, figs. 1, 2.— *Bourguignat, Mai. Alg., 1864, II, p. 284, 

 pl.xviii; Rev. et Mag., XVIII, 1866, p. 11.^* Locard, Coq. de Franc, 1893, 

 p. 152, fig. 165. 



* Unio rothi Bourguignat, Moll. Nonv., 1863, p. 41, pi. xx, figs. 1-6; Rev. et 



Mag., XVII, 1865, p. 337, pi. xvi.- * Kobelt, Icon., VI, 1879, p. 40, pi. clxi, 

 fig. 1639.— * P.ETEL, Conch. Sam., Ill, 1890, p. 166.— * Westerlund, Fann. 

 Pal., II, Pt. 7, 1890, p. 59. 

 ' Unio unibonatiis Bourguignat, Moll. Nonv., 1863, p. 42, pis. xxi, xxii; *Rev. et 

 Mag., XVII, 1865, p. 339, pis. xvii, xviii. — * Westerlund, Faun. Pal., II, 

 Pt. 7, 1890, p. 54. 



* Unio subreniformis Bourguignat, Moll. Nonv., 1863, p. 43; Rev. et Mag., XVII, 



1865, p. 340.—* Kobelt, Icon., IV, 1876, p. 64, pi. cxviii, fig. 1151.— *Wester- 

 LUND, Faun. Pal., II, Pt. 7, 1890, p. 54. 



* Unio ater Reeve, Conch. Icon., XVI, 1865, pi. xxi, fig, 19. 



* Unio C7'assus Reeve, Conch. Icon., XVI, 1865, ■p\. xxii, fig. 98. 



* Unio valentinus Sowerby, Conch. Icon., XVI, 1866, pi. xli, fig. 225. 



* Unio mauritanicHs Bourguignat, Moll. Nonv., 1868, p. 317, pi. xlv, figs. 1-5. — 



* Kobelt, Icon., II, new ser., 1886, p. .5, pi. xxxiii, fig. 230. — * Westerlund, 

 Faun. Pal., II, Pt. 7, 1890, p. 56. 



* Unio ksihiantis MoussoN, Mai. Blatt., XXI, 1873, p. 156; * Jalirb. Deuts. Mai. 



Ges., I, 1874, p. 104, pi. v, fig. 6.—* Kobelt, Icon., IV, new ser., 1876, p. 65, 

 pi. cxix, fig. 11.53. — * P.etel, Conch. Sam., Ill, 1890, p. 156. — * Westerlund, 

 Faun.Pal., II, Pt. 7, 1890, 



* Uniojolyi Kobelt, Icon., new ser., II, 1886, p. 22, pi. xli, fig. 256. — *PjETEl, 



Conch. Sam., HI, 1890, p. 156.— *Westerlund, Faun. Pal., II, Pt. 7, 1890, p. 57. 



* Unio maccarthyanus Kobelt, Icon., new ser., II, 1886, p. 5, pi. xxxiii, fig. 229. 



* Unio letom'neauxi Kobelt, Icon., new ser., II, 1886, p. 3, pi. xxxii, fig. 227. 



* Unio lyeicus Rolle, Icon., Ist sup., 1895, p. 18, pi. ii, fig. 1. 



Southern Europe; Asia Minor; Assyria; Morocco; Algiers. 



fUNIO DELESSERTI Bourguignat.' 



Unio delesserti Bourguignat, Voy. Mer. Mort., 1852, p. 77; Test. Nov. Saul., 1852, 

 p. 29; *Cat. Rais. Moll., 1853, p. 77, pi. iii, figs. 7-9.—* Roth, Mai. Blatt., 1856, 



' Approaches U. littoralis, and may be only a variety of that, but is not so elon- 

 gated. 



