530 PROCEEDTXdS <>l' Till' X.irio\.lf. .vr.v/-.V.V. .VOL.XXII. 



ADAMS, Gen. Roc. Moll., II. 1857. ]>. l!lo. SOWERBY, Conch. Icon., XVI, 

 186fi, pi. i.n, fig. 274." CALKINS, Pr. Ottawa Ac. Nat. Sci., 1874. p. 41.* B. H. 

 WRIGHT. Check List, 1888." P.KTEL, Conch. Sam., Ill, 1890, p. 147. 



* Ma.-garon ( Unio) capax LEA, Syn., 1852, p. 27; 1870, p. 42. 



* Lampsilis capax SMITH, Bull. U. S. Fish Com., 1899, p. 291, pi. LXXXIV. 



* Xymphynola globosa LEA, Tr. Am. Phil. Soc., V, 1832, p. 41, pi. iv, tig. 12; *Obs., 



I, 1834, p. 153, pi. iv, fig. 12.* FERUSSAC, Guer. Mag., 1835, p. 25. 



* Margarita ( Unio) globosa LEA, Syn., 1836, p. 23. 



* Unto globosus HANLEY, Test. Moll., 1842, p. 188; *Biv. Shells, 1843, p. 189. 



*CATLOW and REEVE, Conch. Nom., 1845, p. 59. 

 Margarita ( Unio) globosus LEA, .Syn., 1838, p. 18. 



Lower Ohio River drainage; southwest to St. Francis River, Arkan- 

 sas; north to eastern Iowa; Elkhoru and Blue rivers, Nebraska? 

 (Aughey). Abundant locally. 



fLAMPSILIS OVATUS Say.' 



Unio ovatus SAY. Nich. Encyc., II, 1816, pi. 11, fig. 7. * LAMARCK, An. sans 

 Vert., VI, 1819, p. 75. *HILDKETH, Am. Jl. Sci., XIV, 1828, p. 287. SHOUT 

 and EATON Trans. Jl., 1831, p. 78. * SAY, Am. Conch., VI, 1834. * CONRAD, 

 New F. W. Shells, 1834, p. 70; *Monog. 1, 1835, p. 4, pi. n. * FEHTSSAC, Guer. 

 Mag., 1835, p. 26. "HANLEY, Test, Moll., 1842, p. 184; *Biv. Shells, 1843, p. 

 184. * CATLO\V and REEVE, Conch. Nom., 1845, p. 62. * KUSTER, Conch. Cab. 

 Unio, 1852, p. 22, pi. nr, fig. 2.* CONRAD, Pr. Ac. N. Sci. Phila., VI, 1853, p. 

 254. * H. and A. ADAMS, Gen. Rec. Moll., II, 1857, p. 495. * SOWERBY, Conch. 

 Icon., XVI, 1866, pi. xxxi, fig. 164.* B. H. WRIGHT, Check List, 1888. 

 *P^ETEL, Conch. Sam., Ill, 1890, p. 162. 



* Margarita ( Unio) ovatus LEA, Syn., 1836, p. 19; 1838, p. 17. 



*Margaron (Unio) oratus, LEA, Syn., 1852, p. 24; 1870, p. 37. 



*Unio ovata LAMARCK, An. sans Vert., VI, 1819, p. 75. * STARK, Nat. Hist., II, 1828, 

 p. 90. ?* VALENCIENNES, Coq. Marines, Biv. .11833, pi. L, ligs. 1, la, Ib, Ic. 

 *DESHAYES, An. sans Vert., 2d ed., VI, 1835, p. 538; 3d ed., II, 1839, p. 669. 



*Lamp8ili8 ovata RAFINESQUE, Ann. Gen. Sci. Phys. Brux., V, 1820, p. 298. 



*Mya ovata EATON, Zool. Text Book, 1826, p. 218. 



*Mglia ovata SWAINSON, Treat, on, Mai., 1840, p. 266, fig. 49. 



Ohio River drainage. 



tLAMPSILIS OCHRACEUS Say. 



Unio ochraceus SAY, Nich. Encyc., 1816, pi. n, fig. 8. * CONRAD, New F. W. Shells, 

 1834, p. 70.* FKRUSSAC, Guer. Mag., 1835, p. 25.* CONRAD, Monog., IV, 1836, 

 p. 37, pi. xvm, fig. 2.* GOULD, Inv. Mass., 1841, p. 112, fig. 74; 1870, p. 173, fig. 

 476.* HANLEY, Test. Moll., 1842, p. 190; * Biv. Shells, 1843, p. 190, pi. xx, fig. 

 48? *DE KAY, Zool. of N. Y., Pt. 5, 1843, p. 193, pi. LXIX, figs. 237, 238. 

 *CATLOW and REEVE, Conch. Nom., 1845, p. 62. * CONRAD, Pr. Ac. N. Sci. 

 Phila., VI, 1853, p. 254. * KUSTER, Conch. Cab. Unio, 1856, p. 163, pi. XLVII, 

 fig. 1. *H. and A. ADAMS, Gen. Rec. Moll., II, 1857, p. 494. * SOWERBY, 

 Conch. Icon., XVI, 1868, pi. LXIII, fig. 317. * HARTMANaudMiciiENEK, Conch. 

 Cest.,1874,p.39,fig. 184. *B. H.WRIGHT, Check List, 1888. P.ETEL, Conch. 

 Sam., Ill, 1890, p. 161. * SIMPSON, Nautilus, VIII, 1895, p. 122, fig. s 



*Margaron ( Unio) ochraceus LEA, Syn., 1852, p. 27; 1870, p. 42. 



*Mya ochracea EATON, Zool. Text Book, 1826, p. 218. 



'The name ovatus was used for Unio tumidus Retz, by Lister, Donovan, and others, 

 hut as it was called a Mya and the generic name Unio was never used with it, Say's 

 name can stand for this species. 



2 The figure given for this species, by an error of the printer, is a female carionus. 





