NO. 1205. SYNOPSIS OF Till-: XAIADES SIMPSON. 529 



Conch. Icon., XVI, 1867, pi. LVIII, tig. 294. * HARTMAN and MICHENKR, 

 Conch. Cest., 1874, p. 38, fig. 183.* LATCHFORD, Tr. Ottawa Field Nat. Club, 

 1882, p. 51. *B.H. WRMIHT, Check List, 1888. * P.KTEL, Conch. Sam., Ill, 

 1890, p. 147. * SIMPSON, Nautilus VIII, 1895, p. 122, 2 figures.' 



* Margarita ( Unio) cariosus LEA, Syn., 1836, p. 23; 1838, p. 18. 

 Maryaron (Unto) cariosiis LEA, Syu., 1852, p. 27; 1870, p. 42. 



* Unio cariosa LAMARCK, An. sans Vert., VI, 1819, p. 80. *DESHAYES, An. sans 



Vert., 2d ed., VI, 1835, p. 545; 3d ed., II, 1839, p. 671. 



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



* Lampsilis cariosa STIMTSON, Shells of N. Eng., 1851, p. 14. 



* Unio orat us var. b. LAMARCK, An. sans Vert., VI, 1819, p. 75. 



* Unio ovata VALENCIENNES, Rec. Obs. Zool. Anat., II, 1833, p. 226, pi. L, figs. 1, 



la, U, l<: 



* Unio viridis FERUSSAC, Guer. Mag., 1835, p. 27. 



* Unio oratus CONRAD, Ann. and Mag. Nat. Hist., IV, 1849, p. 301 ; * Pr. Ac. N. Sci. 



Phila,, IV, 1849, p. 153; * Jl. Ac. N. Sci. Phila., 1850, p. 276, pi. xxxvn; fig. 

 6; Pr. Ac. X. Sci. Phila., VI, 1853, p. 254. 



Atlantic drainage from Georgia to the lower St. Lawrence. 2 



tLAMPSILIS ALTILIS Conrad. 



* Unio altills CONRAD, New F. W. Shells, 1834, p. 43, pi. n, fig. 1, and p. 68. 



* FERUSSAC, Guer. Mag., 1835, p. 29. *MOLLER, Syn. Nov. Gen., 1836, p. 

 207. *HANLEY, Test. Moll., 1842, p. 190; Biv. Shells, 1843, p. 190. *CATLOW 

 and EEKVE, Conch. Nom., 1845, p. 55. *CHENU, Bib. Conch. ,1st ser., Ill, 1845, 

 p. 21, pi. i, fig. 1. * CONRAD, Pr. Ac. N. Sci. Phila,, VI, 1853, p. 244. *H. 

 and A. ADAMS, Gen. Rec. Moll., II, 1857, p. 493.* B. H. WRIGHT, Check List, 

 1888. *P;ETEL, Conch. Sam., Ill, 1890, p. 144. 



Margarita (Unio) altilis LEA, Syn., 1836, p. 24; 1838, p. 19. 

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



Alabama River drainage; Little Eed Eiver, Clinton, Arkansas? 



tLAMPSILIS DOLABR-ffiFORMIS Lea. 



*Unio dolalrn'formis LEA, Tr. Am. Phil. Soc., VI, 1838, p. 103, pi. xxiv, fig. 113; 

 *Obs., II, 1838. p. 103, pi. xxiv, fig. 113. *TROSCHEL, Arch, fiir Naturg., V, 

 1839, II, p. 237. *HANLEY, Test. Moll., 1842, p. 189; *Biv. Sheila., 1843, p. 

 189, pi. xxi, tig. 47. * CATLOW and REEVE, Conch. Nom., 1845, p. 58. 



* CONRAD, Pr. Ac. N. Sci. Phila., VI, 1853, p. 248. *CHENU, 111. Conch., 1858, 

 pi. xxm, figs. 6, 6a, 6&. * H. and A. ADAMS, Gen. Rec. Moll., II, 1857, p. 494. 



* KUSTER, Conch. Cab., 1861, p. 170, pi. LII, figs. 1, 2.* B. H.WRIGHT, Check 

 List, 1888. * P.ETEL, Conch. Sam., Ill, 1890, p. 151. 



*Mar(jarita ( Unio) dolabra'formis LEA, Syn., 1838, p. 18. 

 "Margaron (Unio) dolabnrformis LEA, Syn., 1852, p. 27; 1870, p. 41. 



Savannah, Ogeechee, and Altamaha rivers, Georgia. 



tLAMPSILIS CAPAX Green. 



*Unlo capax GREEN, Cab. Nat. Hist., II, 1832, p. 290. * CONRAD, New F. W. 

 Shells, 1834, p. 68. * FERUSSAC, Guer. Mag., 1835, p. 26. * CONRAD, Monog., 

 IX, 1837, p. 75, pi. XLII.* KUSTER, Conch. Cab. Unio, 1852, pp. 21,65, pi. 

 xv, fig. 3.* CONRAD, Pr. Ac. N. Sci. Phila., VI, 1853, p. 245. * H. and A. 



By an error the figures of this species and U. ochraceus were changed. 

 2 The specimens referred to this species that are often reported from the Mississippi 

 drainage are no doubt L. rentricosus. 

 Proc. N. M. vol. xxii 34 



