NO. 1205. S YNOPSIS O F THE NA TA D ES— SIMPSON. 781 



tQUADRULA COOPERIANA Lea. 



iUnio cooperianm Lea, Tr. Am. Phil. Soc, V, 1834, p. 61, pi. viii, fig. 21; *Obs., 

 I, 1834, p. 173, pi. vm, fig. 21.— *Hanley, Test. Moll., 1842, p. 180; *Biv. 

 Shells, 1843, p. 180, pi. xxi, fig. 1. — "^Catlow and Reeve, Conch Nona., 1845, 

 p. 57.—* Conrad, Pr. Ac. N. Sci. Phila., VI, 1853, p. 247.—* H. and A. Adams, 

 Gen. Rec. Moll., II, 1857, p. 496.— *Kuster, Conch. Cab. Unio, 1861, p. 183, 

 pi. LVii, fig. 5. — *B. H. Wright, Check List, 1888. — *P^tel, Conch. Sam., 

 Ill, 1890, p. 149. 



* Margarita ( Unio) coope^'ianns Lea, Syn., 1836, p. 16; 1838, p. 15. 

 * Margaron ( Unio) cooperianus Lea, Syn., 1852, p, 22; 1870, p. 34. 

 "Unio striatus Reeve, Conch. Icon., XVI, 1864, pi. vm, fig. 30.' 



Ohio, Cumberland, and Tennessee river systems. Reported by Keyes 

 at Muscatine, Iowa, but this is probably an error. 



tQUADRULA MORTONI Conrad. 



* Unio mortoni Conrad, Monog. II, 1836, p. 11, pi. vi, fig. 1. — " Kuster, Conch. 



Cab. Unio, 1852, p. 51, pi. xi, fig. 1.—* Conrad, Pr. Ac. N. Sci. Phila., VI, 1853, 

 p.252.— * B. H.Wright, Check List, 1888.—* P.etel, Conch. Sam., Ill, 1890, 

 p. 160. 

 t * U7iio turgidus Lea, Tr. Am. Phil. Soc, VI, 1838, p. 11, pi. v, fig. 11; * Obs., II, 

 1838, p. 11, pi. V, fig. 11.—* Troschel, Arch, fiir Naturg., V, 1839, Pt. 2, p. 234.— 



* Hanley, Test. Moll., 1842, p. 180; * Biv. Shells, 1843, p. 180, pi. xxi, fig. 51.— 

 *€1atlow and Reeve, Conch. Nom., 1845, p. 65. — * H. and A. Adams, Gen. 

 Rec. Moll., II, 1857, p. 496.— * Chenu, 111. Conch., 1858, pi. xxv, figs. 1, la, 16.— 



* B. H. Wright, Check List, 1888.—* P.etel, Conch. Sam., Ill, 1890, p. 170. 



* Margarita ( Unio) turgidus Lea, Syn., 1836, p. 16; 1838, p. 15. 



* Margaron ( Unio) turgidus Lea, Syn., 1852, p. 22 ; 1870, p. 34. 



Lower Mississippi River drainage as far north as western Tennessee 

 and Indian Territory ; west into eastern Texas. 



tQUADRULA SPH^RICA Lea. 



* Unio spha^ricus Ij-ea, Pr. Ac. N. Sci. Phila., XII, 1868, p. 145; * Jl. Ac. N. Sci. Phila., 



1869, p. 319, pi. LI, fig. 132; * Obs., XII, 1869, p. 78, pi. li, fig. 131.— * B. H. 

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



* Margaron ( Unio) sijha'ricus Lea, Syn., 1870, p. 33. 



Streams of Alabama and Mississippi flowing into the Gulf of Mexico. 



tQUADRULA PUSTULATA Lea. 



""Unio pustulatus Lea, Tr. Am. Phil. Soc, 1834, p. 79, pi. vii, fig. 9; *Obs., I 

 1834, p. 89, pi. VII, fig. 9.—* Hanley, Test Moll, 1842, p. 178; *Biv. Shells 

 1843, p. 178, pi. XXII, fig. 36.— *Catlow and Reeve, Conch. Nom., 1845, p 

 63.—* Conrad, Pr. Ac. N. Sci. Phila., VI, 1853, p. 253.—* H. and A. Adams 

 Gen. Rec. Moll., II, 1857, p. 497.—* Chenu, 111. Conch., 1858, pi. xv, figs. 8^ 

 8a, 8&.— * Calkins, Pr. Ottawa Ac N. Sci., 1874, p. 44.—* B. H. Wright 

 Check List, 1888. 



* Margarita (Unio) ptustulatus Lea, Syn., 1836, p. 15; 1838, p. 15. 



* Margaron (Unio) 2mstulatus Lea, Syn., 1852, p. 22; 1870, p. 33. 



^Changed in errata to cooperianus. 



