59 



Fouls. Transl. Raf., p. 35. 

 Ts. Am. P. S., v. 3, pi. 4, f. 4. 

 Spix Test. B., pi. 26, t'. 1, 2. 

 Sillim. Jour., v. 6, p. 259, f. 19. 

 Rogsrjr Icon., pi. 9, f. 132. 

 Pfeiff. L.&S. Moll., pi. 5, f 11. 

 Ts. Am. P. S, v. 5 ; pi. 9, t'. 22. 



Conr. Mon., p. 99, pi. 55, f. 1. 

 Proc. Bost. S. N. H , v. 1, p. 141. 

 Ts. Am. P. S., v. 4, pi. 10, f. 16. 

 Conr. Mon., p. 3, pi. 1. 

 Sillim. Jour., v. 6, pi. 11, f. 10. 

 Ann. Gen. des S. P., v. 5, p. 28. 

 Amer. Conch., pi. 22. 

 Ts. Am. P. S., v. 5, pi. 9,f. 13. 

 Ts. Am. P. S.,v. 5, pi. 15, f. 45. 

 Sillim. Jour., v. 14, p. 279, 283. 

 Conr. Mon., p. 26, pi. 11, t'. 2. 

 Ann. Gen. des S. P., v. 5, p. 33. 

 Ts. Am. P. S., v. 6, pi. 4, f. 8. 

 Conr. Mon., p. 74, pi. 41, f. 2. 

 Ts.Am. P. S.,v.3.pl.8,f. 10, 

 Conr. Mon., p. 8, pi. 4, f. 2. 

 Sillim. Jour., 14, p. 248, f. 16. 

 List. C., pi. 157, 1'. 12. 

 Proc. Bost. S. N. H.,l,p. 141. 

 Conr. Mon., p. 8, pi. 4, f. 2. 

 Ts.Am. Ph. S., 6, pi. 11, f. 33. 

 Ts.Am. Ph. S., 4, pi. 16, f. 41. 

 Zool. 111., 1st Ser, 3, pt. 171. 

 Conr. Mon., p. 55, pi. 30. 

 Zool. 111., 3, pi. 171. 

 Ts. Am. Ph. S.. 3, p. 432. 

 Conr. Mon., p. 12, pi. 6, f. 2. 



Ts. Am. Ph. S., 5, pi. 13, f. 39. 

 Rossm. Icon., pi. 15, f. 211. 

 Ts. Am. Ph. S., 5, pi. 4, f. 10. 

 Ts. Am. Ph. S., 3, p. 416. 

 Rossm., f 20. 



Ts. Am. Ph. S., 6, pi. 10, f. 30. 

 Pouls. Transl. Raf., p. 56. 

 Ts. Am. Ph. S., 4, pi. 17, f. 42. 

 Cour. Mon., p. 50, pi. 27, f. 1 

 Conr. Mon., p. 42, pi. 21. 



is Unio erassus, Say. 

 is Unio olivarius, Raf. 

 is Unio multistriatus, Lea. 

 is Unio erassus, Say. 

 is Unio pictorum, Lam. ex Lea. 

 , is Margaritana margaritilera. 



Unio littoralis 1 Pfeiff 



is Unio lapillus, Say. 

 Unio carinatus, Barnes. 



Unio phaseolus, Hild. 

 Unio planulatua, Lea. 

 Unio camelus, Lea. 

 Unio cuneatus, Hild. 

 Unio multiradiatus, Lea. 

 Unio ligamentina, Desh. 



Unio rubiginosus, Lea. 

 Unio foliatus, Hild. 

 is Unio complanatus, Solan, 

 is Unio flexuosus, Raf. 



is Unio triqueter, Raf. 

 is Unio fragilis, Raf. 

 Unio graciiis, Barnes. 

 Unio fragilis, Swains. 

 Symphynota gracUis, Lea. 



Unio icterinus, Conrad. 



is Unio declivis, Say. 



is Unio complanatus, Soland. 



is Unio batavus, Lam. 



is Unio crassidens, Lam. 



Unio torulosus, Raf. 

 Unio perplexus, Lea. 

 is Unio dilatatus, Raf. 



