Or 
~ 
1569  complanatus, var., Pennsylvania, Dist Caples f. 12! Unio fluviatilis, Green. 
1570 ‘6 ts Rhode Island, Wood's Supp., pl. 1, f. 10. Mya rigida, Wood. 
1571 compressus, Lea, New York, Ts: Am. Pho S., 3; pl. 12, f. 22. Symphynota compressa, Lea. 
1572 ~contertus, Lea, Santee Canal,S.Car., Ts. Am. Ph. 8., 5, pl. 16, f. 47. 
1573 Congareeus, Lea, Congaree River, Ts. Am. Ph. S8., 4, pl. 6, f. 4. 
1574 Conradius, Lea, Tennessee, Ts: Ami Phe Ss!) 5, pl. Ot. 
1575 ss var., Flint River, Conr. Mon., p. 87, pl. 47, f. 3. 
consentaneus,  Ziegl., France, Rossm., pl. 15, f. 208. is Unio batavus, Lam. 
1576 constrictus, Conrad, Virginia, Conr. Mon., p. 91, pl. 49, f. 4. 
1577 contradens, Lea, Sandwich Isles, Ts. Am. Ph. 8., 6, pl. 18, f. 58. 
1578 Cooperianus, Lea, Ohio River, Ts. Am. Ph. 8., 5, pl. 8, f. 21. Unio striatus, Raf. Anth. 
1579 re var., Kentucky, Pouls. Raf., p- 51 et p. 70. Obovaria pachostea, Raf. Fer. 
1580 cor, Conrad, Elk River, N.F. W. Shells, p. 28, pl. 3, f. 3. young, Unio Mytiloides? Raf. 
1581 cordatus, Raf., Cumberland River, Conr. Mon., p. 48, pl. 25. Unio undatus, Barnes. 
1582 ss var., Ann. G.des 8. P.,5, pl. 82, f.6, 7. Unio trigous, Lea. 
1583 zc ce Silim. Jour., 6, p. 121. Unio undulatus, Desh. 
cornutus, Barnes, Indiana, Sillim. Jour., 6, p. 122, pl. 4, f. 5. is Unio reflexus, Raf. 
1584 Corrianus, Lea, India, Ts. Am. Ph. S., 5, pl. 9, f. 25. 
1585 corrosus, Villa, Lake Como, Italy, Cat. A.et J. B. Villa, 1841, p.61. 
corrugatus, Blain., Amazon River, Blain Mal., pl. 67, f. 1. is Hyria eorrugata, Lam. 
1586 corrugatus, Lam., 542 East Indies, Wood's Gen. C., pl. 24, f. 1-8. Mya corrugata, Mill. 
1587 & var., Chemn. 6, pl. 3, f. 22. Mya rugosa, Gmel. 
1588 a 8 Chemn. 10, pl. 170, f. 1649. — Unio spuria, Lam. 
1589 —_costatus, Raf., Ohio River, Conr. Mon., p. 17, pl. 7. Unio undulatus, Barnes. 
1590 Ks var., Tennessee, An.G.desS. P., 5, pl. 82, f.13,14. 
1591 es sé Sillim. Jour., 6, p. 120, pl. 2, f. 2. 
1592 _crassidens, Lam., 582 Ohio River, Sillim. Jour., 6, p. 263. Unio cuneatus, Barnes. 
1593 sf var., Ohio River, Conr. Mon., p. 49, pl. 26. Unio niger, Raf. 
1594 ss ue Tennessee, Ts. Am. Ph. 8., 6, pl. 10, f. 30. Unio gibber, Lea. 
1595 —_ crassissimus, Fer., Rhine, Enc. Meth., pl. 248, f. 1. Mya crassissima, Klein. 
1596 SS var., 530 France, Drap. Moll., pl. 10, f. 17-19. — Unio auricularis, Speng. 
1597 S sf Germany, Blain Mal., pl. 67a te3) Unio margaritacea, Drap. 
1598 es es Favan. Conch., pl. GPtig 1Ds Unio sinuata, Lam. 
1599 ss 8 . Rossm., pl. 13, f. 195. Unio rugosa, Poir. 
erassus, Retz., Styria, Rossm., pl. 8, f. 126, 127. is Unio littoralis, Lam. 
1600 — crassus, Say, Ohio River, Nich. Ency. Am., pl. 1, f. 8. Unio ellipticus, Barnes. 
1601 Me WANs; Conr. Mon., pl. 16, p. 34. Unio ellipsarius, Raf. 
1602 “ “ 533 List. C., pl. 150} fs.5: Unio ligamentina, Lam. 
1603 ge #6 Sciota River, Sillim. Jour., 14, p. 284. Unio orbiculatus, Hild 
1604 x s Cincinnati, Wood. Supp., pl. 1, f. 6. Mya gravis, Wood. 
1605 ce ce Mississippi, Raf. Mon., 1831, Oct., p. 2. Unio cyclips, Raf. 
1606 « « Amer. Conch., pl. 17. Unio abruptus, Say. 
1607 —_ crispatus, Gould, Tavoy, Proc. Bost. S. N. H., 1, p. 141. 
1608 Cucumoides, Lea, N. Holland, ste Ame he Sssu7 pple aa ts 2: 
cuneatus, Raf., Ohio River, Pouls. Transl. Raf., p. 54. is Unio clavus, Lam. 
cuneatus, Barnes, Ohio, Sillim. Jour., 6, p. 263. is Unio erassidens, Lam. 
