1853.) 251 
Unio Jayensis, Lea, 1838, vi. 28, 9,23, Synopsis, 37. 
Chenu, Conchyl. Unio, pl. 22, 4. 
*jejunus, Lea, 1838, vi. 9,4, 9, Synopsis, 32. 
Keinerianus, Lea, (Kienerianus ?) 1852, x. 281, 23,40, Synopsis, 22. 
Kirtlandianus, Lea, 1834, v.98, 14,41, Synopsis, 35. 
Kleinianus, Lea, 1852, x. 265, 17, 18, Synopsis, 20. 
lanceolatus, Lea, 1832, ili. 266, 3,2. Synopsis, 36. 
Con. Monog. 32, 14, 2. 
Chenu, Conchyl. Unio, pl. 8, fig. 1. 
lapillus, Say, Trans. Journ. 1831, iv. 528, Amer. Conch. 41. 
Con. Monog. 54, 29, 2. 
U. fabalis, Lea, 1832, iv. 96, 10, 16, Synopsis, 31. 
Chenu, Conchyl. Unio, pl. 8, fig. 4. 
levigatus, Raf. Ann. (Elliptio) v. 50,80, 11,12,13, Poulson’s trans. 24. 
U. lens, Lea, 1832, iv. 80, 8,10. Synopsis, 34. 
Chenu, Conchyl. Unio, pl. 30, fig. 4. 
latiradiatus, Con., Monog. 96, 53. 
U. interruptus, Lea, 1838. vi. 15. 6,15. Synopsis, 27. 
Chenu, Conchyl. Unio, pl. 17, fig. 4. 
lazarus, Lea, 1852, x. 259, 14, 9, Synopsis, 39. 
i) AOD _ Lecontianus, Lea, 1838, vi. 40, 12, 35. Synopsis, 26. 3 
| \-, Chenu, Conchyl. Unio, pl. 24, fig. 6. 
Bly! &7 : lenior, Lea, 1841, viii. 204, 12, 18. Synopsis, 38. 
aa Chenu, Conchyl. Unio, pl. 27, fig. 4. 
hee? Leseurianus, Lea, 1842, viii. 195, 8,6. Synopsis, 35. 
| 
| Chenu, Conchyl. Unio, pl. 30, fig. 4. 
{@ lineatus, Lea, 1841, viii. 206, 12, 20, Synopsis, 27. 
[> Chenu, Conchyl. Unio, pl. 28, fig. 1. 
lienosus, Coz., Sillim. Journ. xxv. 339, 1,4; Monog. 91, 49, 4. 
Lea, Synopsis, 29. 
U. obscurus, Lea, vi. 7; 3, 7. 
Chenu, Conchyl. Unio, pl. 17, fig. 1. 
ligamentinus, Lam. Ann. sans Vert. Desh. ed. vi. 533. 
‘ U. fasciolus, Con. (not Raf.) Monog. 26, 11, 2. 
ie U. multiradiatus, Lea, 1832, iii. 48, 9,15, Synopsis, 27. 
Chenu, Conchyl. Unio, pl. 13, fig. 2. 
limatulus, Con. Journ. Acad. Nat. Sc. 2d ser. 1849, i. 276, 37, 9. 
| Lea, Synopsis, 32. 
ae U. Tuomeyi, Lea, 1852, x. 256, 13, 4. Synopsis, 33. 
lineolatus, Raf. (obliquaria) Ann. 37, Poulson’s trans. 35. 
Say, American Conch. pl. 68. 
Synonym. of Unio, No. 18. 
Fer. Guerin’s Mag. 1835, 28. 
- U. depressa, Raf. (not Lam.) Ann. v. 
Paid U. securis, Lea, 1832, ii. 4387, 11,17. Synopsis, 24. 
| Chenu, Conchyl. Unio, pl. 16, fig. 4. 
Lote luridus, Lez, x. 273, 20,29. Synopsis, 30. 
luteolus, Lam. Desh. An. sans Vert. vi. 544. 
Dekay, Zool. of New York, 190, 20, 241. 
Lea, Synopsis, 28. 
U. siliquoideus, Com. Monog. 22, 10, 1. 
Fer. Guerin’s Mag. 1835, 27. 
U. siliquoideus, Barnes, Sillim. Journ. vi. 267. 
U. inflatus, ib. ib. 267. 
Lampsilis siliquoideus, Stzmpson, Shells of New England, 14. 
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