1833 
1834 
1835 
1836 
1837 
1838 
1839 
1840 
1841 
1842 
1843 
1844 
1845 
1846 
1847 
1848 
1849 
1850 
1851 
1852 
1853 
1854 
1855 
1856 
1857 
1858 
1859 
1860 
1861 
1862 
1863 
1864 
purpuratus, var., 
purpureus, 
purpuriatus, 
pustulatus, 
pustulosus, 
pyramidatus, 
quadrulus, 
sf var., 
Rajahensis, 
Rangianus, 
rariplicata, 
rarisuleata, 
Raveneli, 
Ravenelianus, 
rectus, 
so Vials, 
‘ “ 
reflexus, 
ns var., 
reniformis, 
Requienii, 
retusus, 
% var., 
“ “ 
rhomboidea, 
rhombula, 
ridibundus, 
riparius, 
Roanokensis, 
es var., 
robustus, 
rostratus, 
rostratus, 
rostratus, 
rotundatus, 
ss var., 
Say, 
Say, 
Lea, 
Lea, 
Lea, 
Raf., 
Lam., 
Lea, 
Lea, 
Lam., 
Lam., 
Conrad, 
Lea, 
Lam., 
533 
534 
537 
Raf., 
Schmidt, 
Mich., 
Lam., 534 
Schr., 
Lam., 
Say, 
Pfeiff., 
Lea, 
536 
Parr 
Valen., 
Studer., 
Lam., 
Lam., 
540 
538 
546 
65 
N. Carolina, 
New Jersey, 
Mexico, 
Ohio, 
Ohio River, 
Ohio River, 
Ohio River, 
Virginia, 
Wisconsin, 
Potomac, 
Calcutta, 
Ohio River, 
St. Peter’s River, 
Lake Champlain, 
Wateree Canal, 
French Broad River, T's. Am. P.S., v. 5, pl. 3, f. 5. 
Ohio River, 
Lake Erie, 
Detroit River, 
Alabama River, 
Ohio River, 
Carinthia, 
Rhone River, 
Ohio River, 
Tennessee, 
Wabash River, 
France, 
Hudson River, 
Cumberland River, 
Europe, 
Roanoke River, 
Styria, 
New York, 
England, 
France, 
Bayou Teche, 
Louisiana, 
N. F. W. Shells, p- 25, pl. 1. Unio Poulsoni? Conrad. 
Unio ventricosus, Soland. 
Nich. Enc. Amer., pl. 3, f. 1. 
Desc. of New Shells, p. 6. 
Ts. Am. P.S., v. 4, pl. 7, f. 9. 
Ts. Am. P.S., v. 4, pl. 7, f.'7. is Unio bullatus, Raf. 
Ts. Am. PYS., v. 4, pl. 16, f. 39. is Unio Mytiloides, Raf, 
Conr. Mon., p. 112, pl. 62. 
Pouls. Transl. Raf., p. 42. 
Amer. Conch., pl. 53. 
Ts. Am. P.S., v. 3, pl. 6, f. 8. 
Chenu C. Ill., pl. 15, f. 6. 
Chenu C. Ill., pl. 9, f. 1. 
TsmAiMwb Sei 4s ply on tess 
Conr. Mon., p. 24, pl. 10, f. 2. 
Sillim. Jour., v. 6, p. 265. 
Wood’s Supp., pl. 1, f. 2. 
MsvAmebes:, vaSy pl. 239i 53. 
Ts. Am. P.S., v. 8, pl. 18, f. 56. 
Conr. Mon., p. 116, pl. 65. 
Schroet. Einl., 2, p. 458. is Unio complanatus, Soland. 
N. F. W. Shells, p- 39, pl. 6, f. 4. is Unio Watereensis, Lea. 
is Unio complanatus, Soland. 
Unio Medellinus, Lea. 
is Unio nodulatus, Raf. 
Unio asperrimus, Lea. 
Obliquaria quadrula, Raf. 
Unio rugosus, Barnes. 
Unio lachrymosus, Lea. 
Unio Virginiana, Lam. 
Mya radiata, Gmel. 
Mya oblongata, Wood. 
is Unio plicatus, Say. 
Unio rudis, Conrad. 
Conr. Mon., p. 33, pl. USS Unio Jatissima, Raf. 
Sillim. Jour., V2.6; pl. 14, f. 11. Unio prelongus, Barnes. 
Conr. Mon., p. 58, pl. 29, f. 1. 
Conr. Mon., p. 7, pl. 4, f. 1. 
Sillim. Jour., 6, p. 122, pl. 4, f.5. 
Rossm., p. 81, pl. 15, f. 218. 
Mich. Supp., pl. 16, f. 24. 
Conr. Mon., p. 19, pl. 8. 
Reeve C. Syst., pl. 88, f. 6. 
Cuv. R. An. Desh., pl. 92, f. 1. 
Schroet. Fluss., pl. 2, f. 8. 
Delessert, pl. 12, f. 8. 
Amer. Conch., pl. 5. 
Wood’s Gen. C., pl. 19, f. 1, 2. 
Ts. Am. P.S., 6, p. 27, pl. 8, f. 21. 
Chenu C. Ill., pl. 20, f. 6. 
Unio Sageri, Conrad. 
Unio cormutus, Barnes. 
Unio batavus, Lam. 
Unio pictorum, Lam. 
Unio torsa, Raf. 
Unio obtusa, Say, Desh. 
is Unio littoralis, Lam. 
is Unio complanatus, Sol. 
is Unio obliquatus, Raf. 
Cuv. R. An., pl. 92, f. 2. 
Lister C., pl. 147, f. 2. 
Mich. Supp., p. 108, pl. 16, f. 25. 
Ts. Am. PYS:,.5, p- 30, pl. 2, f. 8. Unio subglobosus, Lea. 
Amer. Conch., pl. 34. 
Jr. Transyl. Univ., v. 4, p. 526. Unio glebulus, Say. 
is Unio nasutus, Say. 
is Unio ovalis, Flem. 
is Unio pictorum, Lam. 
Unio suborbiculata, Lam. 
