530 PROCEEDINGS OF TBE NATIONAL MUSEUM. 



Adams, Gen. Rec. Moll., II, 1857, p. 493.— *Sowerby, Conch. Icon., XVI, 

 1866, pi. Lii, fig. 274.—* Calkins, Pr. Ottawa Ac. Nat. Sci., 1874, p. 41.—* B. H. 

 Wright, Check List, 1888.—* PyEXEL, Conch. Sam,, III, 1890, p. 147. 



* Margaron ( Unto) capax Lea, Syn., 1852, p. 27; 1870, p. 42. 



* Lampsilis capax Smith, Bnll. U. S. Fish Com., 1899, p. 291, pi. lxxxiv. 



* Symphynota glohosa Lea, Tr. Am. Phil. Soc, V, 1832, p. 41, pi. iv, fig. 12; *Obs., 



I, 1834, p. 153, pi. IV, fig. 12.— *Ferussac, Guer. Mag., 1835, p. 25. 



* Margarita ( Unio) glohosa Lea, Syn., 1836, p. 23. 



* Unio 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 f 

 ^Aughey). Abundant locally. 



t LAMPSILIS OVATUS Say.' 



Unio ovatus Say, Nich. Encyc, II, 1816, pi. ii, fig. 7. — * Lamarck, An. sans 

 Vert., VI, 1819, p. 75.— *Hildreth, Am. Jl. Sci., XIV, 1828, p. 287.— Short 

 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. ii.— ""Ferussac, Guer 

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

 184. — * Catlow and Reeve, Conch. Nom., 1845, p. 62. — * Kuster, Conch. Cab 

 Unio, 1852, p. 22, pi. iii, fig. 2.—* Conrad, Pr. Ac. N. Sci. Phila., VI, 1853, p 

 2.54.—'^ H. and A. Adajis, Gen. Rec. Moll., II, 1857, p. 495. — * Sowerby, Conch 

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

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



^Margarita ( Unio) ovatus Lea, Syn., 1836, p. 19; 1838, p. 17. 



*Margaron {Unio) ovatus, Lea, Syn., 1852, p. 24; 1870, p. 37. 



* Unio ovate Lamarck, An. sans Vert., VI, 1819, p. 75. — * Stark, Nat. Hist., II, 1828, 



p. 90. — ?* Valenciennes, Coq. Marines, Biv.,jl833, pi. l, figs. 1, la, lb, Ic. — 

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



*Lamp8ilis ovata Rafinesque, Ann. Gen. Sci. Phys. Brnx., V, 1820, p. 298. 



*Mya ovata Eaton, Zool. Test Book, 1826, p. 218. 



""JEglia ovata Swainson, Treat, on, Mai., 1840, p. 266, fig. 49. 



Ohio River drainage. 



t LAMPSILIS OCHRACEUS Say. 



Unio oohraceus Say, Nich. Encyc, 1816, pi. ii, fig. 8. — * Conrad, New F. W. Shells, 

 1834, p. 70.—* Fkrussac, Guer. Mag., 1835, p. 25.—* Conrad, Monog., IV, 1836, 

 p. 37, pi. XVIII, 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. — *HARTMANandMiCHENER, Conch. 

 Cest.,1874,p.39,fig. 184.— * B.H.Wright, Check List, 1888.— Pyetel, Conch. 

 Sam., Ill, 1890, p. 161.— * Simpson, Nautilus, VIII, 1895, p. 122, fig.^ 



^Margaron ( Unio) oohraceus 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, 

 but as it was called a Mga 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 cariosus. 



