692 PROCEEDINGS OF Till- .\.iTln.\.U. MCSEUAl. 



' Cnio incurcits LEA. Tr. Am. 1'hil. Soc., IV, 1831, p. 97, pi. xm. fig. 2< ; ( >l>s., I, 

 1834, p. 107, pi. xm, fig. 27.* C'HENU, 111. Conch., 1858, pi. xi, Tigs. 1, la, Ib. 



Unio draparnaldi DESIIAYES, Desc. Coq. Terr., 1831, p. 38, pi. xiv, tig. 6.' P.ETEL, 

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



* I'nio jiianensis FAKIXES, Ann. ties Sci. Nat., II, 1834, p. 118. MOI.I.EK, Syn. Nov. 



( Jfn., 1836, p. 197.* Dui-fcY, Hist. Moll. Fr., 1852, p. 635, pi. xxi v, tig. 4. 



* Unio bif/errensis MILLET, Gner. Mag., 1843, p. 3, pi. LXIV, tig. 1. 



* I'nio bigorrcnais LOCAUD, Coq. tie Franc., 1893, p. 153. 



*Unio fellmani DESIIAYES, Hist. Nat. Moll. Alg., 1848, pi. cvin, tigs. 8, 9. 

 *KUSTEK, Conch. Cab., 1856, p. 151, pi. xi.iv, tig. 1. *!I.;in<l A. ADAMS, Gen. 

 Rec. Moll., II, 1857, p. 491.* P.ETEL, Conch. Sam., Ill, 1890, p. 152. 



*Maryaron ( Unio) fellmani LEA, Syn., 1870, p. 46. 



'1'iiio barrandii DUPUY, Hist. Moll. Fr., 1852, p. 635, pi. xxv, tig. 1. 



* Unio aslierianus DUPUY, Hist. Moll. Fr., 1852, p. 636. pi. xxm, fig. i'. ' SOWERBY, 



Couch. Icon., XVI, 1868, pi. LXXXVI; fig. 461. WESTERLUND, Faun. Pal., 

 II, Ft. 7, 1890, p. 53. *LOCARI>, Coq. do Franc., 1893, p. 153. 



* I'nio cnneaius ROSSMASSLER, Icon., XIII and XIV, 1854, p. 37, pi. LXIX, iig. 851. 



* P.ETEL, Conch. Sam., Ill, 1890, p. 149. 



*Unio rJtomboideus MOQUIN-TANDON, Moll. Terr. Fluv. Fr., II, 1855, p. 568, pi. 

 XLVHI, figs. 4, 9; XLix,fig8. 1, 2. 'BOURGUIGNAT, Mai. Alg., 1864, II, p. 284, 

 pi. xvin ; Rev. et Mag., XVIII, 1866, p. 11. *LOCARD, Coq. de Franc., 1893, 

 p. 152, fig. 165. 



I nio 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. ci.xi, 

 fig. 1639. * P.ETEL, Conch. Sam., Ill, 1890, p. 166. * WESTEKLUND, Faun. 

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



* Unio umbonatus BOURGUIGNAT, Moll. Nouv., 1863, p. 42, pis. xxi, xxn ; * Rev. et 



Mag., XVII, 1865, p. 339, pis. xvn, xvm. * WESTEKLUND, Fann. Pal., II, 

 Pt. 7, 1890, p. 54. 



* Unio sttbreniformis BOURGUIGNAT, Moll. Nonv., 1863, p. 43; Rev. et Mag., XVII, 



1865, p. 340.* KOBELT, Icon., IV, 1876, p. 64, pi. cxvm, fig. 1151. *WESTER- 

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



* t'nio ater REEVE, Conch. Icon., XVI, 1865, pi. xxi, fig. 19. 



* Uniocrassus REEVE, Conch. Icon., XVI, 1865, pi. xxn, fig. 98. 



* Unio ralentinus SOWERBY, Conch. Icon., XVI, 1866, pi. XLI, fig. 225. 



*Unio mauritanicus BOURGUIGNAT, Moll. Nonv., 1868, p. 317, pi. XLV, figs. 1-5. 



* KOBELT, Icon., II, new ser., 1886, p. 5, pi. xxxni, fig. 230. " WESTKRLUXD, 

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



* I'nio Jcsibianus Moussox, Mai. Blatt., XXI, 1873, p. 156; * .lahrb. Dents. Mai. 



Ges., I, 1874, p. 104, pi. v, fig. 6.* KOBELT, Icon., IV, now scr.. I,s7<i. ]>. (15, 

 pi. cxix, fig. 1153. * P.ETEL, Couch. Sam., Ill, 1890, p. 156. * WESTEULUND, 

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



* Uniojolyi KOBELT, Icon., new ser., II, 1886, p. 22, pi. XLI, tig. 256. 1' .ETEL, 



Conch. Sam., III. 1890, p. 156. * WESTERLUND, Faun. Pal., II, Pt. 7, 1890, p. 57. 



* Unio maccarfliyanus KOBELT, Icon., new ser., II, 1886, p. 5, pi. xxxni, tig. 229. 



* Unio leiourneauxi KOBELT, Icon., new scr., II, 1886, p. 3, pi. xxxn, fig. 227. 



* Unio lycicus ROLLE, Icon., 1st sup., 1895, p. 18, pi. n, 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. in, figs. 7-9.* ROTH, Mai. Blatt., 1856, 



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

 gated. 



