UNIO 531 
Unio pictorum Rerzius, Diss. Hist. Nat., 1778, p. 17.—Dra- 
PARNAUD, part. Hist. Moll. Fr., 1806, p. 131, pl. iy ee 
Brarp, Hist. Cog. Paris, 1815, Pp. 226, pl. vil, fig. t.— 
Brookes, Int. to Conch., 1815, p. 51, ple typ fe. 12-_C. 
Prerrrer, L, and Suss. Moll., Pt. 1, 1821, p. 115, pl. v, figs. 
9, 20.—Bosc, Hist. Nat.-Coq., LIL, 1824, p. 139; ply xalEL, 
fig. 3—BLaAtNviLLE, Manual, Mal., 1825, p. 539, pl. LXvII, 
fig. 2.—CROUCH, Ill. Int. Lamarck, 1827, p. 16, pl. Ix, figs. 
4, 44, 4b.—ROSSMASSLER, Icon., Pt. 1, 1835, p. 118, pl. 111, 
figs. 71, 71a, 710; III, 1836, p. 23, pl. xiur, fig. 196; VI, 1837, 
p. 55, pl. xxix, fig. 409; IX, 1839, p. 10, pl. xLv,, fig. 587- 
590; XI, 1842, p. 14, pl. LV, fig. 741; XII, 1844, p. 30, pl. 
LvIt, figs. 762-766; p. 31, pl. Lix, figs. 767-769.—F LEMING, 
Moll. Animals, 1837, pl. xiv, fig. 51.—WyYAtT, Man. Conch., 
1838, p. 67, pl. vit, fig. 6.—?Gras, Moll. Isere., 1840, p. 71, 
pl. 1, fig. 8.—STABILE, Faun. Lug., 1845, p. 60, pl. 1, fig. 73. 
—Brown, L. and F. W. Conch., 1845, p. 107, pl. xix, figs. 
I-4.— STEIN, Die Lebend. Schneck., 1850, p. 104, pls. XXIV, 
xxv, figs. I, 2—MIDDENDORFF, Sib. Reise, II, 1851, p. 276, 
pl. xxvut, figs. 1-3—Duruy, Hist. M. Fr., 1852, p. 647, pl. 
xxvi, fig. 20.—Forpes and HaNLry, Hist. Brit. Moll., IT, 
1853, p. 142, pl. xxxIx, fig. 1.—Kuster, Conch. Cab. Unio, 
1854, p. 88, pl. xxuI, figs. I, 2; pl.. xx1v; xxv, figs. I, 2.— 
Moourn-Tanpon, Moll. Terr. Fluv. Fr., H, 1855, P. 576, 
pls. L, figs. 8, 10; LI, figs. I, 10.—NORDENSKIOLD and Ny- 
LANDER, Fin. Moll., 1856, p. 83, pl. v, fig. 72.—DrouEt, Nay. 
Fr., II, 1857, p. 103, pl. vit.—Turton, Man. L. and F. W. 
Shells, 1857, p. 279, pl. 1, fig. 11.—H. and A. Apams, Gen. 
Rec. Moll., II, 1857, p. 491; III, pl. cxv1, figs. 5, 5a, 5b.— 
Sowerby, Ill. Index Brit. Shells, 1859, No. 2, pl. vi1.—Goop- 
ricu, Ill. Nat. Hist., II, 1859, p. 523, fig —REEvE, i. and 
W. Moll. Brit., 1863, p. 221, fig. 2—Tarte, L. and F. W. 
Moll. Brit., 1866, pl. 11, fig. 3—Cresstn, Deutsche Ex. Moll., 
1876, p. 453, fig. 294.—L. ADAMS, Coll. Man., 1884, p. 18, 
pl. 1, fig. 11.—SmmPpson, Syn., 1900, p. 680. 
Baphie pictorum MruscHen, Mus. Gevers., 1787, p. 472. 
Lymnium pictorum Oxen, Lehrb., TOES Pp. 237: 
