56 
1530 
carbonarius. 
Lea, 
Medellin River, 
1531 
“ var.; 
> 
Mexico, 
1532 
(( (( 
1533 
(i (t 
cardiacea. 
Say, 
Alabama River, 
1534 
cardium. 
Raf., 
Ohio River, 
1535 
“ var.. 
1536 
U il 
1537 
({ (( 
carinatus, 
Barnes, 
Fox River, 
carinifera. 
Lam., 
536 
Hudson River, 
1538 
Carinlhiacus, 
Ziegl., 
Carniola, 
1539 
cariosus. 
Say, 
545 
Passaic River, 
1540 
“ var.. 
Hudson River, 
1541 
t( (t 
Connecticut, 
1542 
castaneus. 
Lea, 
Alabama River, 
catillus. 
Conrad, 
Sciota River, 
caudatus. 
Wagn., 
Brazil, 
1543 
cerinus. 
Conrad, 
Louisiana, 
1544 
Chilensis, 
Gray, 
Chili, 
1545 
cicatricosus, 
Say, 
Ohio River, 
1546 
“ var.. 
1547 
it (l 
circulus. 
Lea, 
549 
Monongahela River, 
1548 
Claibornensis, 
Lea, 
Alabama, 
1549 
clavus. 
Lam., 
537 
Wabash River, 
1550 
“ var.. 
Ohio River, 
1551 
(( C( 
1552 
« tt 
coarctatus. 
Lam., 
535 
Hudson River, 
1553 
coccineus. 
Lea, 
Mahoning River, 
1554 
“ var.. 
Ohio River, 
1555 
cc <t 
1556 
collinus. 
Conrad, 
N. River, Virginia, 
1557 
“ var.. 
1558 
complanatus. 
Soland, 
Maryland, 
1559 
“ var.. 
N. Jersey, 
1560 
(( le 
Yadkin River, 
1561 
i( tc 
534 
Lake Champlain, 
1562 
t( iC 
535 
Virginia, 
1563 
(( ti 
535 
New York, 
1564 
a « 
536 
Hudson River, 
1565 
fi i( 
536 
Connecticut, 
1566 
{i ct 
536 
Lake George, 
1567 
{( i( 
537 
Massachusetts, 
1568 
tc (( 
540 
Connecticut, 
Ts. Am. P. S., V. 6, pi. 11, f. 32. Unio pliciferas. Lea. 
Conr. Mon., p. 89, pi. 41, f. 1. Unio plexus, Conrad. 
Phil. Icon., p. 19, pi. 1, f. 1, 2, 3. Unio semigranosa, Busch. 
Chenu C. 111., pi. 23, f. 1. 
Guer. Icon., pi. 28, f. 7. is Unio Mytiloides, Raf. 
Pouls. Transl. Raf., p. 27. Unio occidens, Lea. 
Sillim. Jour., V. 6, pi. 13, f. 14. Unio ventricosus, Barnes, Say. 
Ts. Am. P. S., V. 4, pi. 18, f. 46. Unio subovatus. Lea. 
Chenu C. 111., pi. 13, f. 5. Unio ventricosus. Say. 
Sillim. Jour., V. 6, pi. 11, f. 10. is Unio fasoiatus, Raf. 
N. Hist. N. Y., pi. 22, f. 246. is Unio complanatus, Soland. 
Rossm., pi. 15, f. 209. Unio batavus, Lam. ex Lea, 
N. Hist. N. York, pi. 21, f. 243. Unio ovata, Valenc. 
Conr. Mon., p. 40, pi. 19. Unio luteolus, Lam. 
Reeve C. Syst., pi. 89, f. 10. Unio Inteolus, Conrad. 
Ts. Am. Ph. S., 4, pi. 11, f. 21. 
Conr. Mon., p, 30, pi. 13, f, 2. is Unio coccinens. Lea. 
Spix. Test. B.,p. 35, pi. 27, f. 1, 2. is Hyria avicularis, Lam. 
Conr. Mon., p. 95, pi. 52. 
Phil. Icon., 3, pi. 4, f. 2. 
Conr. Mon., p. 115, pi. 64. Unio varicosus. Lea. 
Ts. Am. Ph. S., 4, pi. 1 1, f. 20. 
N. Har. Diss., 2, Sept. 1829. 
Ts. Am. Ph. S., 3, pi. 9, f. 14. is Unio subrotundus, Raf. 
Ts. Am. Ph. S., 6, pi. 24, f. 115. 
Reeve C. Syst., pi. 88, f. 3. Unio Modioliformis, Say. 
Conr. Mon., p. 5, pi. 3, f. 1. Unio scalenius, Raf. 
Poulson’s Transl. Raf., p. 53. Unio cuneatus, Raf 
Ts. Am. Ph. S., 3, pi. 12, f. 20. Unio patulus. Lea. 
Nich. Ency. Am., pi. 3, f. 1. is Unio complanatus, Soland. 
Ts. Am. Ph. S., 6, pi. 5, f. 12. Unio mbra? Raf 
Conr. Mon., p. 30, pi. 13, f. 1, 2. Unio catillus, Conrad. 
Chenu C. 111., pi. 25, f. 4. Unio Gouldianus? Ward. 
Conr. Mon., p. 65, pi. 36, f. 2. 
Conr. Mon., p. 109, pi. 60, f. 3. 
Portl. Cat., p. 100, 2190. Mya eomplanata, Soland. 
List. C., pi. 150, f. 5. Unio violaceus, Spengler. 
Nich. Encycl., pi. 3, f. 1. Unio purpureus, Say. 
Schroet. Einl., 2, p. 458. Unio rarisnlcata, Lam. 
Dillw. Cat., 1, p. 51, No. 27. Unio coarctata, Lam. 
Sillim. Jour., 61 p. 264, No. 16. Unio purpurascens, Lam. 
Delessert, pi. 12, f. 8. Unio rhombula, Lam. 
Nat.Hist.N.York,pl.22,f.246.Unio carinifera, Lam. 
Ts. Am. Ph. S., 6, p. 264. Unio Georgina, Lam. 
Gould Invert., p. 117, f. 68— 70. Unio glabrata, Lam. 
Delessert, pi. 12, f. 3. Unio suleidens, Lam. 
