1858.] 



Unio excultus, Co7i., Monog. 99,55,1. 



U. declivis, Lea, (not Say,) Synopsis 33. 



famelicus, Gould., Lea, Synopsis 31. 



fasciolaris, Raf., Ann. v. 37, Poulson's Trans. 36. 



Fer. Guerin's Mag. 1835, 27. 



Say. Amer. Conch. Syn. No. 20. 



U. phaseoius, Hildretk, Sillim. Journ, xiv. 283. 



Lea. Synopsis, 38. 



U. sinuatus, i2a/., (very old) Ann. v. 55. 



U. nn uc ronatus, i?arwes Sillim. Journ. vi. 266, 13, 13. 



U. planulatus, Lea. iii. 431, 9, 13. 



Ckemc. Conchy 1. (Jnio, pi. 13, fig. 1. 



U. cuneatus, Barnes, (white var.) Fresh Water Shells, Sillim. 



Journ. note to Hildreth, xiv. 283. 

 U. phaseoius. Say., Amer. Conch, pi. 22. 

 U. planulata, jDe.5/i., Lam. vi. 549. 

 [J. camelus. Lea, (old) 1834, v. 102, 15, 45. 



fasciatus, Ann., Poulson's Trans 28. 



Say. Amer. Conch. Syn. of Unio, No. 6. 



Fer. Guerin's Mag. 1835, 27. 



Con. Monog. 3, 1. 



U. Crassiis ? Say, Nicholson's Encyc. pi. 1, fig. 3. 



U. carinatus, Barnes, Silliman's Journ. vi. 126. 



U. ellipticus, " " 259, 13, 19. 



Hildreth, " xiv. 278. 



fasciolus, Raf., Ann. v. 33, Poulson's Trans. 28. 



U. subangulatiis. Lea, x. 209, 13, 23. 



fatuus, Lea, viii. 201, 11, 14, Synopsis, 38. 



Chenu. Conchyl. Unio, pi. 31, fig. 4. 

 Fisherianus, Lea, 1838, vi. 8, 4, 8, Synopsis 37. 



Chenu. Conchyl. Unio, pi. 20, fig. 4. 



U. nasutus, var. Con., not Say, Monog. 38, 18, 1. 

 flavescens. Lea, 1845, x. 72, 3, 9, Synopsis 27. 

 flavus, Raf., Ann. v. 39, Poulson's Trans. 38. 



Co7i. Monog. 74, 41, 2. 



Fer. Guerin's Mag. 1835, 27. 



Say. Amer. Conch. Syn., No. 22. 



U. rubiginosus. Lea, 1832, iii. 427, 8, 10, Synopsis 24. 



Chenu, Conchyl. Unio, pi. 13, fig. 4. 

 flexuosus, il/. Ann. v. 40, Poulson's Trans. 41. 



Con. Monog. 8, 4, 2. 



Say. Amer. Conch. Syn., No. 27. 



U. foliatus, Hildreth, Sillim. Journ. xiv. 284, 16. 



Lea. Synopsis, 20. 

 Floridensis, Lea, 1852, x. 274, 21, 31, Synopsis 39. 

 foUiculatus, Lea, 1838, vi. 38, U, 33, Synopsis 35. 



Chenu, Conchyl. Unio, pi. 23, fig. 4. 

 Forbesianus, Lea, 1852, x. 264, 16, 17, Synopsis 24. 



U. congaraeus ? Lea. 

 Foremanianus, Lea, 1841, viii. 247, 27, 64, Synopsis, 23. 



Chemi, Conchyl. Unio, pi. 26, fig. 1. 



fragosus, Con., Monog. 12, 6, 2. 



Lea, Synopsis, 22. 

 fraternus. Lea, 1852, x. 263, 16, 15, Synopsis, 32. 

 fulgidus. Lea, 1845, x. 73, 4, 10, Synopsis, 25. 



249 



