57 
1569 
complanatus, var., 
Pennsylvania, 
List. C., pi. 157, f. 12. Unio fluviatilis, Green. 
1570 
(C n 
Rhode Island, 
Wood^S Supp., pi. 1, f. 10. Mya rigida, Wood. 
1571 
compressus, 
Lea, 
New York, 
Ts. Am. Ph. S., 3, pi. 12, f. 22. Symphynota compressa, Lea. 
1572 
confertus, 
Lea, 
Santee Canal, S. Car., Ts. Am. Ph. S., 5, pi. 16, f 47. 
1573 
Congaraeus, 
Lea, 
Congaree River, 
Ts. Am. Ph. S., 4, pi. 6, f 4. 
1574 . 
Conradius, 
Lea, 
Tennessee, 
Ts. Am. Ph. S., 5, pi. 9, f 23. 
1575 
“ var., 
Flint River, 
Conr. Mon., p. 87, pi. 47, f 3. 
consentaneus, 
Ziegl., 
France, 
Rossm., pi. 15, f 208. « Unio batavus, Lam. 
1576 
constrictus, 
Conrad, 
Virginia, 
Conr. Mon., p. 91, pi. 49, f 4. 
1577 
contradens, 
Lea, 
Sandwich Isles, 
Ts. Am. Ph. S., 6, pi. 18, f 58. 
1578 
Cooperianus, 
Lea, 
Ohio Rivex’, 
Ts. Am. Ph. S., 5, pi. 8, i. 21. Unio striatus, Raf. Anth. 
1579 
“ var., 
Kentucky, 
Pouls. Raf., p. 51 et p. 70. Obovarfa pachostea, Raf Fer. 
1580 
cor. 
Conrad, 
Elk River, 
N. F. W . Shells, p. 28, pi. 3, f 3. young, Unio Mytiloides 1 Raf. 
1581 
cordatus. 
Raf., 
Cumberland River, 
Conr. Mon., p. 48, pi. 25. Unio undatus, Barnes. 
1582 
“ var.. 
Ann. G. des S. P., 5, pi. 82, f 6, 7. Unio trigoaus. Lea. 
1583 
(( (( 
Sillim. Jour., 6, p. 121. Unio undulatns, Desh. 
cornutus. 
Barnes, 
Indiana, 
Sillim. Jour., 6, p. 122, pi. 4,f 5. is Unio reflexus, Raf 
1584 
Corrianus, 
Lea, 
India, 
Ts. Am. Ph. S., 5, pi. 9, f 25. 
1585 
corrosus. 
Villa, 
Lake Como, Italy, 
Cat. A.et J. B. Villa, 1841, p. 61. 
corrugatus. 
Blain., 
Amazon River, 
Blain Mai., pi. 67, f 1. is Hyria corragata, Lam. 
1586 
corrugatus. 
Lam., 
542 
East Indies, 
Wood S Gen. C., pi. 24, f 1—3. Mya corrugata. Mull. 
1587 
“ var.. 
Chemn. 6, pi. 3, f 22. Mya mgosa, Gmel. 
1588 
i( a 
Chemn. 10, pi. 170, f 1649. Unio spuria, Lam. 
1589 
costatus. 
Raf., 
Ohio River, 
Conr. Mon., p. 17, pi. 7. Unio undulatus, Barnes. 
1590 
“ var.. 
Tennessee, 
An. G.des S. P., 5, pi. 82, f 13,14. 
1591 
Sillim. Jour , 6, p. 120, pl.2,f 2. 
1592, 
crassidens, 
Lam., 
532 
Ohio River, 
Sillim. Jour., 6, p. 263. Unio cuneatus, Bames. 
1593 
“ var.. 
Ohio River, 
Conr. Mon., p. 49, pi 26. Unio niger, Raf 
1594 
(C (( 
Tennessee, 
Ts. Am. Ph. S., 6, pi. 10, f 30. Unio gibber. Lea. 
1595 
crassissimus, 
Fer., 
Rhine, 
Enc. Meth., pi. 248, f 1. Mya crassissima, Klein. 
1596 
“ var., 
530 
France, 
Drap. Moll., pi. 10, f 17—19. Unio amicularis, Speng. 
1597 
(( (( 
Germany, 
Blain Mai., pi. 67, f 3. Unio margaritaoea, Drap. 
1598 
it (t 
Favan. Conch., pi. 62, f. F. Unio sinuata, Lam. 
1599 
Cl (C 
Rossm., pi. 13, f 195. Unio rugosa, Poir. 
crassus, 
Retz., 
Styria, 
Rossm., pi. 8, f 126, 127. is Unio littoralis, Lam. 
1600 
crassus, 
Say, 
Ohio River, 
Nich. Ency. Am., pi. 1, f 8. Onio ollipticus, Bames. 
1601 
‘‘ var., 
Conr. Mon., pi. 16, p. 34. Unio ellipsarius, Raf 
1602 
i( t( 
533 
List. C., pi. 150, f 5. Unio ligamentina, Lam. 
1603 
<< (< 
Sciota River, 
Sillim. Jour., 14, p. 284. Unio orbiculatus, Hild. 
1604 
(( n 
Cincinnati, 
Wood. Supp., pi. 1, f 6. Mya gravis, Wood. 
1605 
it t( 
Mississippi, 
Raf Mon., 1831, Oct., p. 2. Unio cyclips, Raf 
1606 
a « 
Amer. Conch., pi. 17. Unio abruptus. Say. 
1607 
crispatus. 
Gould, 
Tavoy, 
Proc. Bost. S. N. H., 1, p. 141. 
1608 
Cucumoides, 
Lea, 
N. Holland, 
Ts. Am. Ph. S., 7, pi. 7, f 2. 
cuneatus. 
Raf, 
Ohio River, 
Pouls. Transl. Raf, p. 54. is Unio clavus, Lam. 
cuneatus. 
Barnes, 
Ohio, 
Sillim. Jour., 6, p. 263. is Unio crassidens, Lam. 
8 
