688 PBOCEEDINGS OF THE NATIONAL MUSEUM. vol.xxii. 



UNIO EUCIRRUS Bourguignat. 



* Unto eucirrus Bourguignat, Mag. ZooL, IX, 1857, p, 20, pi. viii, figs. 4-6. — 



*KoBELT, Icon., VII, 1880, p. 82, pi. ccvi, fig. 2101.— * Westerlund, Faun. 

 Pal., II, Pt. 7, 1890, p. 171.— '^P^TEL, Couch. Sam., Ill, 1890, p. 152. 

 ^ Mar gar on (Unio) eucirrus Lea, Syu., 1870, p. 46. 



Asia Minor. Probably a form of Meti. 



tUNIO TIGRIDIS Bourguignat.! 



* Uniotruncaius Swainson, Zool. 111., 2cl ser., I, 1829, pi. x. — ' Hanley, Test. Moll., 



1842, p. 187; *Biv. Shells., 1843, p. 187.—" Catlow aud Reeve, Couch. iNoiii., 

 1845, p. 64.—* H. and A. Adams, Gen. Rec. Moll., II, 1857, p. 496.—" Sowerby, 

 Conch. Icon., XVI, 1868, pi. lxxxv, fig. 453. 



* Marf/arita ( Unio) truncatus Lea., Syn., 1836, p. 21 ; 1838, p. 18. 



* Mar gar on (Unio) truncatus Lea, Syn., 1852, p. 26; 1870, p. 39. 



* Unio tigridis Bourguignat, Test. Nov. Saul., 1852, p. 30; *Cat. Rais. Moll., 1853, 



p. 77, pi. IV, figs. 7-9.— * KusTER, Conch. Cab. Unio, 1861, p. 227, pi. lxxvii, 

 fig. 1.^ — *KoBELT, Icou., new ser., II, 1886, p. 2, pi. xxxii, fig. 226. — * Wester- 

 LUND, Faun. Pal., II, Pt. 7, 1890, p. 175.— *P.etel, Conch. Sam., Ill, 1890, p. 

 169. 



* Unio dignatus Lea, Pr. Ac. N. Sci. Phila., VII, 1863, p. 189; *J1. Acad. N. Sci. 



Phila., VI, 1866, p. 51, pi. xvii, fig. 48 ; * Obs., XI, 1867, p. 55, pi. xvii, fig. 48.— 

 *P^tel, Conch. Sam., Ill, 1890, p. 150. 



* Margaron ( Unio) dignatus Lea, Syn., 1870, p. 39. 



* Margaron ( Unio) tigris Lea, Syn., 1870, p. 39. 

 Unio tigris Ferussac, manuscript. ^ 



* ? Unio kisonis Kobelt, Icon., Ist sux)., 1895, p. 17, pi. vii, figs. 2, 3.^ 



Asia Minor; Assyria. 



UNIO PIETRI Locard. 



*Unioj}ietri Locard, Comptes Rendus, XCI, 1880, p. 500; -Arch. Mus. Lyon, III, 

 1883, p. 210, pi. XX, figs. 17-19.— *Westerlund, Faun. Pal., II, Pt. 7, 1890, 

 p. 170. 



* Unto petroi P^etel, Conch. Sam., Ill, 1890, p. 163. 



* Unio lorteti Locard, Comptes Rendus, XCI, 1880, p. 502; *Arch. Mus. Lyon, III, 



1883, p. 215, pi. XXI, figs. 7-12.—* Westerlund, Faun. Pal., II, Pt. 7, 1890, 

 p. 173. 



* Unio tristr ami hoc ART), Arch. Mus. Lyon, III, 1883, p. 209, pi. xx, figs. 15, 16. — 



* P.ETEL, Conch. Sam., Ill, 1890, p. 170.— * Westerlund, Faun. Pal., II, Pt. 7, 

 1890, p. 170. 



* Unio tiberiadensis Locard, Arch. Mus. Lyon, III, 1883, p. 216, pi. xxi, figs. 13-15.^ 



*P/ETEL, Conch. Sam., Ill, 1890, p. 169,— * Westerlund, Faun. Pal., II, Pt. 

 7, 1890, p. 174. 



' Swainson gave the name Unio truncatus to this species in~1829, but that name had 

 been applied to a Unio by Spongier in 1793. Bourguignat credits this to Ferussac 

 manuscript under the name of Unio tigris. 



-Lea credits this to Ferussac manuscript in museum at Paris. No description has 

 ever been published, so far as I know, though several authors have cited it aud cred- 

 ited it to Ferussac. A specimen in the Lea collection which is no doubt authentic is 

 apparently a delicate young iigridis. 



3 Young shells, and it is very hard to say whether they are tigridis or terminalis. 



