NO. 1205. SYNOPSIS OF TffE NAIADES SIMPSON. 681 



1807, ]>. Mli. 'MATox and KACKETT, Tr. Liuu. Sor. Loud.. VIII, 1807, p. 

 38. WOOD, Grn. Concb., 1.1815, p. 104, pi. xix, 'figs. 3, 4. ' DILI.WYN, 

 Cut., I, 1817, j. 4!!. "Trio-ox, Conch. Diet., 1819, p. 106. ' WOOD, Index 

 .Teat., 1825, p. 12, pi. n, i\g. 26c; "rev. ed., 1856, p. 15, pi. n, tig. 26. *?CHEXU, 

 Bib. Conch., 1st ser., I, 1845, p. 114, pi. xi.vn, tigs. 8, 9.' *HAXLKY, Ipsa. 

 Liuu. Conch., 1855, p. 460. 



* Unio plclorum RKTZIUS, Diss. Hist. Nat., 1778, p. 17. *SPEXGLER, Skriv. Selsk- 

 Nat., Ill, 1793, p. 59. ' DRAI-ARNAUD, Tab. Moll. Fr., 1801, p. 106; in part 

 Hist. Moll. Fr., 1806, p. 131, pi. xi, rig. 4.- *GAERTXKU, \'ers. Ein. Syst., 

 1813, p. 36. 'MILLET, Moll. Maine et Loire, 1813, p. 74. * BIIAKD, Hist. 

 Coq. Paris, 1815, p. 226, pi. vm, fig. 1. BROOKES, Int. to Conch., 1815, 

 p. 51, pi. n, fig. 12. *CuviER, Ri-gne Animal, II, 1817, p. 473. *KLEES, 

 Dis.s. Test., 1818, p. 45. * LAMARCK, An. sans Vert., VI, 1819, p. 77. *C. 

 PFEIFFER, L. and Snss. Moll., Pt. 1, 1821, p. 115, pi. v, figs. 9, 20. * NILS- 

 SOX, Hist. Moll. Svec., 1822, p. 111. * Bosc., Hist. Nut. Co<|., Ill, 1824, 

 p. 139, pi. xxin, fig. 3. * BLAINVILLE, Manual, Mai., 1825, p. 539, pi. LXVII, 

 fig. 2. *CROUCH, 111. Int. Lamarck, 1827, p. 16, pi. ix, figs. 4, 4a, 46. 



* WAAUUEXBKKG, Com. Hist. Nat., 1827, p. 36. *KLEEBEUG, Moll. Boruss, 

 1828, p. 38. STARK, Nat. Hist., II, 1828, p. 90. * FLEMING, Hist. Brit. Animals, 

 1828, p. 416. *GOUPIL, Hist. Moll. Sarthe, 1835, p. 84. * ROSSMASSLER, 

 Icon., I, 1835, p. 118, pi. in, figs. 71, 71a,716; III, 1836, p. 23, pi. xin, fig. 196; 

 VI, 1837, p. 55, pi. xxix, fig. 409; IX, 1839, p. 10, pi. XLV, fig. 587-590; XI, 

 1842, p. 14, pi. LV, fig. 741; XII, 1844, p. 30, pi. LVIII, figs. 762-766; p. 31, pi. ox, 

 tigs. 767-769. *Fo0RNEL, Faun. Moselle, I, 1836, p. 486. " FLEMING, Moll. 

 Animals, 1837, pi. xiv, fig. 51.* WYATT, Man. Concb., 1838, p. 67, pi. vnr, fig. 

 6.* PORRO, Mai. Como., 1838, p. 117.' TERVER, Moll. Terr, et Fluv., 1839, p. 

 39. ANTON, Ver/.-der Concb., 1839, p. 15.* ? GRAS, Moll. Isere., 1840, p. 71, 

 pi. i, fig. 8. 3 *HAXLEY, Test. Moll., 1842, p. 205; *Biv. Shells, 1843, p. 205. 

 *SCHOL/, Scbleis, L. and .W. Moll., 1843, p. 127. *CATLOW and REEVE, 

 Couch. Nom., 1845, p. 62. "STABILE, Faun. Lug., 1845, p. 60, pi. in, fig. 73. 



* MORELET, Moll. Port., 1845, p. 108." BROWN, L. and F. W. Couch., 1845, p. 

 107, pi. xix, figs. 1-4. * PUTON, Moll.Vosges, 1847, p. 70. *STEIX, DieLebend. 

 Schneck., 1850, p. 104, pis. xxiv, xxv, figs. 1, 2. *MIDDEXDORFF, Sib. Reise, 

 II, 1851, p. 276, pi. xxvni, Jigs. 1-3. * LEACH, Syn. Moll. Gt. Brit., 1852, p. 

 234. -DUPUY, Hist. M. Fr., 1852, p. 647, pi. xxvi, fig. 20. * FORBES and 

 HANLEY, Hist. Brit. Moll., II, 1853, p. 142, pi. xxxix, fig. 1. * KUSTER, 

 Conch. Cab. Unio, 1854. p. 88, pi. xxin, figs. 1, 2; pi. xxiv; xxv, figs. 1, 2. 



MOQUIN-TAXDON, Moll. Terr. Fluv. Fr., II, 1855, p. 576, pi. L, figs, 8, 10; 

 LI, figs. 1, 10. 'vox WAHL, Arch. Natnrk. Liv. Est., 2d ser., 1855, p. 105. 



"NORDENSKIOLD and NYLANDER, Fin. Moll., 1856, p. 83, pi. V, fig. 72. 



*DROUET, Nay. Fr., II, 1857, p. 103, pi. vm. * TUUTON, Man. L. and F. W. 

 Shells, 1857, p. 279, pi. 11, fig. 11. *H. aud A. ADAMS, Gen. Rec. Moll., II, 

 1857, p. 491; III, pi. cxvi, figs. 5, 5, 56. * SOWERBY, 111. Index Brit. Sbells, 

 1859, No. 2, pi. vii. * GOODRICH, 111. Nat. Hist., II, 1859, p. 523, fig. 

 JEFFREYS, Brit. Couch., I, 1862, p. 34. *BIELZ, Fauu. Sieben, 1863, p. 192. 

 RKKVE, L.' and F. W. Moll. Brit., 1863, p. 221, fig. 2. * TATE, L. and F. W. 

 Moll. <;. Brit., 1866, pi. n, fig. 3. * fSciiRENCK, Reise nud F. iin Am. Laude, 

 II, 1867, p. 696^ * KOBELT, Faun. Nass. Moll., 1871, p. 241. * WESIER. 



1 if', batavux perhaps. 



'Draparnand gives figures 1-4 for pictorum. One and 2 may possibly be that spe- 

 cies, but they look more like batarus, and 3 is certainly balantx, while 4 is probably 

 ptctorum. 



:i Doubtful, may be batanix. 



4 It is very probable that the specimens from Amur Land and vicinity which have 

 been referred to ('. pictoriiin, are a smooth variety of Nodtilaria douglasia' Gray, a 

 species resembling it in form, but not at all closely related to it. 



