1853.] 261 



Unio Jayensis, Lea, 1838, vi. 28, 9, 23, Synopsis, 37. 

 Chenu, Conchyl. Unio, pi. 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, iii. 266, 3, 2. Synopsis, 36. 

 Co7i. Monou;. 32, 14, 2. 

 Chenu, Conchyl. Unio, pi. 8, (ig. 1. 



lapillns. Say, Trans. Journ. 1831, iv. 528, An:ier. Conch. 41. 

 Con. Monog. 54, 29, 2. 



U. fabalis, Lea, 1832, iv. 96, 10, 16, Synopsis, 31. 

 Chenu, Conchyl. Unio, pi. 8, fig. 4. 



laevigatus, Raf. Ann. (Elliptio) v. 50, SO, U, 12,13, Poulson's trans. 24. 

 U. lens. Lea, 1832, iv. 80, 8, 10. Synopsis, 34. 

 Chenu, Conchyl. Unio, pi. 30, fig. 4. 



latiradiatus, Con., iNIonog. 96, 53. 



U. interruptus, Lea, 1838. vi. 15. 6, 15. Synopsis, 27. 

 Chenu, Conchyl. Unio, pi. 17, fig. 4. 



lazarus, Lea, 1852, x. 259, 14, 9, Synopsis, 39. 



Lecontianus, Lea, 1838, vi. 40, 12, 35. Synopsis, 26. 

 Chenu, Conchyl. Unio, pi. 24, fig. 6. 



lenior, Lea, 1841, viii. 204, 12, 18. Synopsis, 38. 

 Chenu, Conchyl. Unio, pi. 27, fig. 4. 



Leseurianus, Lea, 1842, viii. 195, 8, 6. Synopsis, 35. 

 Chemc, Conchyl. Unio, pi. 30, fig. 4. 



lineatus. Lea, 1841, viii. 206, 12, 20, Synopsis, 27. 

 Chenu, Conchyl. Unio, pi. 28, fig. 1. 



lienosus, Con., Sillim. Journ. ^xxv. 339, 1, 4; Monog. 91, 49, 4. 

 Lea, Synopsis, 29. 

 U. obscurus. Lea, vi. 7, 3, 7. 

 Chenu, Conchyl. Unio, pi. 17, fig. 1. 



ligamentinus. Lam. Ann. sans Vert Desh. ed. vi. 533. 

 U. fasciolus. Con. (not Raf.) Monog. 26, 11, 2. 

 U. multiradiatus. Lea, 1832, iii. 48, 9, 15, Synopsis, 27. 

 Chenu, Conchyl. Unio, pi. 13, fig. 2. 



limatulus. Con. Journ. Acad. Nat. Sc. 2d ser. 1849, i. 276, 37, 9- 

 Lea, Synopsis, 32. 

 U. Tuomeyi, Lea, 1832, x. 256, 13, 4. Synopsis, 33. 



lineolatus, Raf. (obliquaria) Ann. 37, Poulson's trans. 35. 

 Say, American Conch, pi. 68. 



Synonym, of Unio, No. 18. 

 Fer. Guerin's Mag. 1835, 28. 

 U. depressa, Raf. (not Lam.) Ann. v. 

 U. securis. Lea, 1832, iii. 437, 11, 17. Synopsis, 24. 

 Chenit, Conchyl. Unio, pi. 16, fig. 4. 



luridus. Lea, x. 273, 20, 29. Synopsis, 30. 

 luteolus, Lam. Desh. An. sans Vert. vi. 544. 

 Dtfy^ay, Zool. of New York, 190,20,241. 

 Lea, Synopsis, 28. 

 U. siliquoideus. Con. Monog. 22, 10, 1. 



Fer. Guerin's Mag. 1835, 27. 

 U. siliquoideus, Barnes, Sillim. Journ. vi. 267. 

 ^ U. inflatus, ib. ib. 267. 



Lampsilis siliquoideus, Stimpson, Shells of New England, 14. 



