1640 
1641 
1642 
1643 
1644 
1645 
1646 
1647 
1648 
1649 
1650 
1651 
1652 
1653 
1654 
1655 
1656 
1657 
1658 
1659 
1660 
1661 
1662 
1663 
1664 
1665 
1666 
1667 
1668 
1669 
59 
ellipsarius. 
Raf, 
Ohio River, 
ellipsis. 
Lea, 
547 
Ohio River, 
ellipticus. 
Wagn., 
Brazil, 
elliptieus, 
Barnes, 
Ohio River, 
elongatulus. 
Miihlf, 
Styria, 
elongatus. 
Lam., 
531 
France, 
emai-ginatus. 
Lea, 
N. Holland ? 
errosus, 
Retz., 
Bremen, 
excultus. 
Conrad, 
New Orleans, 
exolescens, 
Gould, 
Tavoy, 
fabalis. 
Lea, 
Ohio River, 
fasciatus. 
Raf, 
Sciota River, 
“ var., 
(t (i 
Kentucky, 
fasciolaris. 
Raf, 
Ohio River, 
“ var., 
« « 
Wabash River, 
(( <( 
fasciolus. 
Raf, 
Ohio River, 
“ var.. 
549 
Fisherianus, 
Lea, 
Chester River, 
flavus, 
Raf, 
Kentucky, 
“ var.. 
Ohio River, 
flexuosus. 
Raf, 
Ohio River, 
“ var.. 
fluviatilis, ' 
Green, 
New York, 
foliacea. 
Gould, 
Tavoy, 
foliatus. 
Hild., 
Ohio River, 
folliculatus. 
Lea, 
Savannah River, 
formosus. 
Lea, 
Ohio River, 
fragilis. 
Swains., 
559 
Ohio River, 
fragilis. 
Raf, 
Detroit River, 
“ var.. 
Fox River, 
(( « 
Ohio River, 
fragosus, 
Conrad, 
Sciota River, 
“ var.. 
fulvus, 
Lea, 
South Carolina, 
fusculus, 
Ziegl., 
Styria, 
geometricus. 
Lea, 
Louisiana, 
Georgina, 
Lam., 
536 
Lake George, 
gibba. 
Miihlf, 
542 
Germany, 
gibber. 
Lea, 
Tennessee, 
gibbosus. 
Raf, 
Ohio River, 
“ var., 
Sciota River, 
ft f( 
Wabash River, 
gibbosus. 
Barnes, 
Ohio River, 
Pouls. Transl. Raf., p. 35. 
Ts. Am. P. S., V. 3, pi. 4, f. 4. 
Spix Test. B., pi. 26, f. 1, 2. 
Sillim. Jour., v. 6, p. 259, f. 19. 
Rossm. Icon., pi. 9, f. 132. 
Pfeiff. L. & S. Moll., pi. 5, f 1 1. 
Ts. Am. P. S., V. 5, pi. 9, 1'. 22. 
Conr. Mon., p. 99, pi. 55, f. 1. 
Proc. Bost. S. N. H , V. l,p. 141. 
Ts. Am. P. S., V. 4, pi. 10, f. 16. 
Conr. Mon., p. 3, pi. 1. 
Sillim. Jour., v. 6, pi. 11, f. 10. 
Ann. Gen. des S. P., v. 5, p. 28. 
Amer. Conch., pi. 22. 
Ts. Am. P. S., V. 5, pi. 9, f. 13. 
Ts. Am. P. S., V. 5, pi. 15, f. 45. 
Sillim. Jour., v. 14, p. 279, 283. 
Conr. Mon., p. 26, pi. 1 1, f. 2. 
Ann. Gen. des S. P., v. 5, p. 33. 
Ts. Am. P. S., V. 6, pi. 4, f. 8. 
Conr. Mon., p. 74, pi. 41, f. 2. 
Ts. Am. P. S., V. 3, pi. 8, f. 10. 
Conr. Mon., p. 8, pi. 4, f. 2. 
Sillim. Jour., 14, p. 248, f. 16. 
List. C., pi. 157, f. 12. 
Proc. Bost. S. N. H., l,p. 141. 
Conr. Mon., p. 8, pi. 4, f. 2. 
Ts. Am.Ph. S., 6, pi. 11, f. 33. 
Ts. Am. Ph. S.,4. pi. 16,f. 41. 
Zool. 111., 1st Ser., 3, pi. 171. 
Conr. Mon., p. 55, pi. 30. 
Zool. 111., 3, pi. 171. 
Ts. Am. Ph. S.. 3, p. 432. 
Conr. Mon , p. 12, pi. 6, f. 2. 
Ts. Am.Ph. S., 5, pi. 13,1.39. 
Rossm. Icon., pi. 15, f. 211. 
Ts. Am. Ph. S., 5, pi. 4, f. 10. 
Ts. Am. Ph. S., 3, p. 416. 
Rossm., f 20. 
Ts. Arn. Ph. S., 6, pi. 10, f. 30. 
Pouls. Transl. Raf., p. 56. 
Ts. Am. Ph. S., 4, pi. 17, f. 42. 
Conr. Mon., p. 50, pi. 27, f. 1 
Conr. Mon., p. 42, pi. 21. 
is Unio crassus, Say. 
is Unio olivarius, Raf. 
is Unio multistriatus, Lea. 
is Unio crassus. Say. 
is Unio pictorum, Lam. ex Lea. 
is Margaritana margaritiiera. 
Unio littoralis 1 Pfeiff. 
is Unio lapillus. Say. 
Unio carinatus, Barnes. 
Unio phaseolus, Hild. 
Unio planulatus, Lea. 
Unio camelus, Lea. 
Unio cuneatus, Hild. 
Unio muUiradiatus, Lea. 
Unio ligamentina, Desh. 
Unio rubiginosus. Lea. 
Unio foliatus, Hild. 
is Unio complanatus, Solan. 
is Unio flexuosus, Raf. 
is Unio triqueter, Raf. 
is Unio fragilis, Raf. 
Unio gracilis, Barnes. 
Unio fragilis, Swains. 
Symphynota gracilis, Lea. 
Unio icterinuB, Conrad. 
is Unio declivis, Say. 
is Unio complanatus, Soland. 
is Unio batavus, Lam. 
is Unio crassidens, Lam. 
Unio torulosus, Raf. 
Unio perplexus, Lea. 
is Unio dilatatus, Raf. 
