NO. 1205. SYNOPSIS OF THE NAIADES— SIMPSON. 531 



*Symphijnota ocliracea Lea, Tr. Am. Phil. Soc, III, 1830, p. 455 ; *Obs. 1, 1834, p. 69. 



"Mai-garita (U)iio) ocliracea Lea, Syn., 1836, p. 23; 1838, p. 18. 



*Lampsilis ocliracea Stimpson, Shells of N. Eng., 1851, i>. 14. 



" Vnio crocatiits Lea, Pr. Am. Phil. Soc, II, 1841, p. 31; *Tr. Am. Phil. Soc, VIII, 

 1842, p. 238, pi. XXII, fig. 52 ; * Obs., Ill, 1842, p. 76, pi. xxii, fig. 52.—* Conrad, 

 Pr. Ac. N. Sci.Phila., VI, 1853, p. 247.— "Chexu, 111. Conch., 1858, pi. xxxiii, 

 figs. 1, la, lb.—' H. and A. Adams, Gen. Rec. Moll., II, 1857, p. 493.— B. H. 

 Wright, Check List, 1888.— "P.etel, Conch. Sam., Ill, 1890, p. 149. 



*Mar<jaron {Vnio) crocatus Lea, Syn., 1852, p. 27; 1870, p. 42. 



^Unio rosaceus Conrad, Pr. Acad. N. Sci., Phila., IV, 1849, p. 153; "Ann. and 

 Mag. Nat. Hist., IV, 1849, p. 303; =M1. Acad. N. Sci.. Phila., I, 1850, p. 275, 

 pi. XXXVII, fig. 5. 



* Unto troostensis Sowerby, Conch. Icon., XVI, 1866, pi. xxxviii, fig. 210. 

 " Unio affinis Sowerby? Conch. Icon., XVI, 1868, pi. lxiii, fig. 318. 



Atlantic drainage, from Kew England to the Ogeechee River, 

 Georgia. 



tLAMPSILIS SPLENDIDUS Lea. 



* Unio splendidiis Lea, Tr. Am. Phil. Soc, VI, 1838, p. 70, pi. xix, fig. 61 ; * Obs., II, 



1838, p. 70, pi. XIX, fig. 61.— *Troschel, Arch, fiir Naturg.,V, 1839, Pt. 2, p. 

 237.— ^Hanley, Test. Moll., 1842, p. 190; *Biv. Shells, 1843, p. 190.—* Catlow 

 and Reeve, Conch. Nom., 1845, p. 64. —* Kuster, Conch. Cab. Unio, 1852, p. 

 55, pi. XII, fig. 2.—* Conrad, Pr. Ac. N. Sci. Phila., VI, 1853, p. 257.—* H. and A. 

 Adams, Gen. Rec. Moll., II, 1857, p. 495.— * Chenu, 111. Conch., 1858, pi. xvii, 

 figs. 7, la, 76.—* Sowerby, Conch. Icon., XVI, 1866, pi. xxxi, fig. 161.—* B. H, 

 Wright, Check List, 1888.— *P^tel, Conch. Sam., Ill, 1890, p. 168. 



* Margarita { Unio) splendiclus Lea, Syn., 1836, p. 23 ; 1838, p. 18. 



* Margaron ( Unio) splendidiis Lea, Syn., 1852, p. 27 ; 1870, p. 42. 



* Unio regnlaris Sowerby, Conch. Icon., XVI, 1868, pi. xxxiv, fig. 181. 



Altamaha and Ogeechee rivers, Georgia. 



LAMPSILIS DELUMBIS Conrad.i 



* Unio delumbis Conrad, New F. W. Shells, 1834, p. 35, pl.v, fig. 3 ; p. 69. — * Ferus- 



sac, Guerin Mag.. 1835, p. 29. — * Moller, Syn. Nov. Gen., 1836, p. 204. — 



* Chenu, Bib. Conch., Ist ser.. Ill, 1845, p. 18, pi. ii, fig. 10. — * Conrad, Pr. 

 Ac. N. Sci. Phila., VI, 1857, p. 248.— *B. H. Wright, Check List, 1888.— 



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



Small streams near Cooper River, South Carolina. 



tLAMPSILIS PEROVALIS Conrad. 



*Unio perovalis Conrad, New F. W. Shells, 1834, p. 43, pi. ii, fig. 2, p. 71. — 

 *Ferussac, Guer. Mag., 1835, p. 29.—* Moller, Syn. Nov. Gen., 1836, p. 207.— 

 *HANLEY,Te8t. Moll., 1842, p. 191; *Biv. Shells, 1843, p. 191.— *Cati.ow and 

 Reeve, Conch. Nom., 1845, p. 62. — *Chenu, Bib. Conch., 1st ser.. Ill, 1845, p. 

 21, pi. I, fig. 2.—* Conrad, Pr. Ac. Nat. Sci. Phila. , VI, 1853, p. 254.—* H. and A. 

 Adams, Gen. Rec. Moll., II, 1857, p. 494.— * Kuster, Conch. Cab. Unio, 1861, 

 p. 257, pi. Lxxxvii, fig. 2.— *B. H.Wright, Check List, 1888,— *P.etel, 

 Conch. Sam., Ill, 1890, p. 163. 



* Margarita ( Unio) perovalis Lea, Syn., 1836, p. 24 ; 1838, p. 19. 



* Margaron ( Unio) perovalis Lea, Syn., 1852, p. 27 ; 1870, p. 42. 



Alabama and Black Warrior rivers. 



'This maybe a valid species, but it looks from the figure like an elongated 

 ochraceus. 



