Wood's Ind., pi. 12, f. 35. 



Nich. Enc. Amer., pi. 3, f. 4. 

 Nich. Enc. Amer., pi. 3, f. 3. 

 Say's Desc. Shells, p. 11. 

 N. F. W. Shells, p. 47, pi. 7, f. 2. 

 Ts. Am. P. S., v. 8, pi. 20, f. 44. 

 Long's Ex., 2, App. pi. 14, f. 3, 4. 

 Spix. T. B., p. 27, pi. 19, f. 1,2. 

 Ts.Am. P.S.,6, p. l,pl. 1, f. 1. 



Delessert, pi. 13, f. 3. 



Say's Desc. Shells, 1840, p. 12. 



Say's Desc. Shells, 1840, p. 13. 

 Ts. Am. Ph. S., v. 5, pi. 6, f. 16. 

 Say's Desc. Shells, 1840, p. 11. 

 Ts. Am. Ph. S., v. 5, pi. 6, f. 16. 

 Chemn. 8, pi. 86, f. 763. 



Mytilus fluviatilis, Sol. 



Mytilus illitus, Sol. 

 Anodonta cataracts, Say. 

 Anodonta marginata, Say. 

 Anodonta implicata, Say. 

 Anodonta teres, Conr. 



is Anodonta trapezialis, Lam. 

 is Anodonta glauca, Valenc. 



Anodonta corpulcnta, Coop, 

 is Anodonta cygnca, Drap. 

 Anodonta inccrta, Lea. 



is Anodonta fiuviatilis, Lea. 

 is Anodonta imbecillis, Say. 



is Unio dehiscens, Say. 



Ts. Am. P. S., v. 5, pi. 12, f. 34. 



Spix T. B., p. 28, pi. 20, f. 1. Anodonta trapezius, Spix. 

 Spix T. B., p. 28, pi. 20, f. 2-4. Anodonta rotundus, Spix. 



Voy. Am. Mer., pi. 79, f. 11. 



Spix T. B., p. 30, pi. 22, f. 4. is Anodonta obtusa, Spix. 

 Ts. Am. Ph. S., V. 5, pi. 5, f. 14. Symphynota magnifica, Lea. 



Nich. Encycl. Am., pi. 3, f. 3. is Anodonta fluviatilis, Lea. 



M.S.A.S.etA.d'A.,l,pl.l2,f.2. 

 Ts. Am. P. S., v. 8, pi. 23, f. 55. 

 Ts. Am. P. S., v. 6, pi. 21, f. 66. 

 Ts. Am. P. S, v. 6, pi. 20, f. 62. 

 Spix T. B., p. 30, pi. 22, f. 3, 4. 



Anodonta lituratum, Spix. 

 is Anodonta cygnea, Drap. 



Ts.Am. P. S., v. 6, pi. 21, f. 67. 

 Ts. Am. P. S., v. 6, pi. 2, f. 2. 

 Swain's Exot. C., pi. 36. 

 Turt. C. Diet., p. 116. 

 Voy. Am. Merid., pi. 70, f. 1-4. 

 Ts. Am. P. S, v. 6, pi. 21, f. 65. 

 Zool. Proc., 1834, p. 57. 

 Nich. Enc. Am., pi. 3, f. 6. 

 Ts. Am. P. S., v. 6, pi. 16, f. 51. 



is Anodonta trapozialis, Lam. 

 is Anodonta cygnea, Drap. 

 Unio Patagonica, D"0rb. 



is Anodonta trapezialis, Lam. 

 is Anodonta undulata, Say. 



