280 



Hald., pi, 7, f. 12. 

 Villa Cat., p. 35. 

 Drap. Moll., pi. 13, f. 4-6. 

 Jour. Ac. N. S., 2, p. 378. 



Drap. Moll., pi. 1, f. 19. 

 Villa Cat., 1841, p. 35. 

 Villa Cat., 1841, p. 60. 

 Phil. Enc. Sic., p. 148. 

 Hald. Mon., pi. 3. 

 Hald. Mon., pi. 10, f. 1-6. 

 Conch. Contrib., p. 42. 

 Jour. Ac. N. S., 1, p. 125. 

 Jour. Ac. N. S., 2, p. 175. 

 New F. W. Shells, pi. 8, f. 4. 

 Trs. Am. Ph. S., 5, p. 58. 

 Phil. Icon., 1, pi. 1, f. 1,2. 

 Mich. Comp., pi. 15, f. 58, 59. 

 Anton Verz., p. 52. 

 Anton Verz., p. 52. 

 Voy. a Meroe, pi. 60, f. 6. 

 Drap. Moll., pi. 1, f. 24, 25. 

 Villa Cat., 1841, p. 36. 

 Trs. Am. Ph. S., 6, pi. 23, f. 89. 

 Jay's Cat., 1839, pi. 7, f. 1. 

 Moll, de 1'Allem., p. 227. 

 Phil. Icon., 2, pi. 2, f. 8. 

 Hald. Monog., pi. 4. 

 Amer. Conch., pi. 30, f. 1. 

 Jour. Ac. N. Sci., v. 2, p. 174. 

 Anton Verz., p. 52. 

 Rossm., 1, f. 125. 

 Proc. Bost. S. N. H., 2, p. 17. 

 Phil. En. Sic., pi. 9, f. 4. 

 Menke Syn., ed. 2, p. 134. 

 Crist, et Jan Cat. 



Villa Cat., 1841, f. 35. 

 Villa Cat., 1841, p. 35. 



Paludina incrustata, Mtihlf. 

 Cyclostoma gibbum, Drap. 

 is Airmicola grana, Say. 



is Paludina tentaculata, Linn, 

 is Paludina Gcrmari, Stentz. 

 is Paludina vivipara, var., Drap. 

 is Paludina rubcns, Menke. 



is Amnicola limosa, Say. 

 is Amnicola lustrica, Say. 



Paludina bimonilifera, Lea. 



Paludina emarginata, Parr, 

 is Paludina rubens, Meuke. 



is Paludina thermalis, Linn. 

 Lythoclypus Naticoides, Fer. 



is Paludina expansilabris. 



is Amnicola porata, Say. 

 Paludina fluminensis, Ziegl. 

 is Paludina fasciata, Mull. 



Paludina meridionalis, Parr. 

 Paludina rubra, Parr. 

 Paludina ferruginea, Jan. 

 Paludina succineata, Meg. 

 is Paludina rubens, Menke. 

 is Paludina expansilabris, Miihlf. 



Villa Cat., 1841, p. 35. is Paludina Boissini, Charp. 



Mich. Comp., p. 93, No. 1. Cyclostoma simile, Drap. 



Trs. Am. Ph. S., 6, pi. 23, f. 78. 



Turt. Man., p. 136, f. 123. is Paludina acuta, Drap. 



Zeitsch. Mai., 1846, p. 184. is Truncatella truncatula, Drap. 



Phil. Icon., 2, pi. 2, f. 7. 



