NATURAL SCIENCES OP PHILADELPHIA. 99 



Leptoxis rubiginosa, Lea, Haldeman, Monog. Lept., f. 59 to TO. Binney, 

 Check List, No. 383. Chenu, Manuel, i. f. 2035, 2030. 



Anculosa Griffitkiana, Lea, Philos. Proc, ii. p. 83. Oct., 1841. Philos. Trans., 

 ix. p. 20. Obs., iv. p. 20. Wheatley, Cat. Shells U. S., p. 28. 



Anculotus Grif/itksianus, Lea, Reeve, Monog. Anculotus, t. 1, f . 8. 



Leptoxis Griffitkiana, Lea, Binney, Check List, No. 362. 



4. Angulated species. 

 8. A. d i s s i m i 1 i s, Say. 



Paludina dissimilis, Say, Nicholson's Encyc, 3d Am. Edit., 1819. 

 Anculotus dissimilis, Say, Ravenel, Cat., p. 11. Jay, Cat., 4th Edit., p. 276. 



Reeve, Monog. Ancul. t. 4, f. 27. 

 Anculosa dissimilis, Say, Wheatley, Cat. Shells U. S., p. 28. Haldeman, in 



Ruppell's Lancaster County, p. 479. 

 Leptoxis dissimilis, Say, Haldeman, Monog. Lept., p. 4, t. 4, f. 85 100. Brot, 



List, p. 24. Binney, Check List, No. 355. 

 Helix subcarinata, Wood, Index, Test. Lister, t. Ill, f. 5. 



Anculotus carinalus, DeKay, Moll. N. Y., p. 101, 1843. Jay, Cat., 4th Edit., 



p. 276. 

 Anculosa carinata, DeKay, Wheatley, Cat. Shells U. S., p. 28. 

 Leptoxis carinata, DeKay, Binney, Check List, No. 343. Brot, List, p. 24. 



Variety a. 



Anculosa carinata, Lea, Proc. Philos., ii. p. 34, Apr., 1841. Philos. Trans., 



ix. p. 15. Obs. iv. p. 15. 

 Leptoxis carinata, Lea, Binney, Check List, No. 344. 

 Anculosa, variabilis, Lea, Philos. Proc. ii. p. 34, Apr. 1841. Philos. Trans. 



ix. p. 15. Obs. iv. p. 15. Wheatley, Cat. Shells U. S. p. 28. 

 Leptoxis variabilis, Lea, Chenu, Manuel, i. f. 2037 .39, Binney, Check List, 



No. 394. Brot, List, p. 26. Haldeman, Monog. Leptoxis, *p. 4, t. 4, f. 



1029. 



Variety b. 



Anculotus nigrescens, Conrad, New Fresh Water Shells, p. 64, t. 8, f. 17, 1834. 



DeKay, Moll. N. Y., p. 102. Wheatley, Cat. Shells U. S. p. 28. Jay, 



Cat., 4th Edit. p. 276. 

 Leptoxis nigrescens, Conrad, Binney, Check List, No. 372. 

 Anculotus trivittatus, DeKay, Moll. N. Y., p. 102, t. 7, f. 137, 1843. 

 Leptoxis trivitla'ta, DeKay, Binney, Check List, No. 390. 



Variety c. 



Anculotus monodontoides, Conrad, New Fresh-Water Shells, p. 61, t. 8, f. 16, 

 1834. DeKay, Moll. N. Y., p. 102. Jay, Cat., 4th Edit., p. 276. Wheat- 

 ley, Cat. Shells U. S., p. 28. Reeve, Monog. Anc. t. 5, f. 37. 



Mudalia monodontoides, Conrad, Chenu, Manuel, i. f. 2046 8. 



Leptoxis monodontoides, Conrad, Haldeman. Monog. Leptoxis, p. 5, t. 4, 5 f. 

 124133. Binney Check List, No. 370. 



Anculotus dentatus, Couthuoy, Am. Journ. Sci. xxxvi. p. 390, July, 1839. 

 Bost. Journ. Nat. Hist. ii. p. 185, t. 4, f. 7, Feb. 1839. Reeve, Monog. 

 Anc. t. 5, f. 36. DeKay, Moll. N. Y., p. 102. Jay, Cat., 3d Edit., p. 63. 



Anculosa dentata, Couthuoy, Wheatley, Cat. Shells U. S., p. 28. 



Leptoxis dentata, Couthuoy, Binney, Check List, No. 352. 



Anculosa dentata, Lea, Philos Proc. ii. p. 34, Apr. 1841. 



Leptoxis dentata, Lea, Binney, Check List, No. 353. 



Anculosa {Mudalia) affinis, Haldeman, Monog. Limniades, Cover of No. 3, 

 Mar. 13th, 1841. 



Anculotus affinis, Haldeman, Reeve, Monog. Anculotus, t. 6, f. 53. 



Leptoxis affinis, Haldeman, Binney, Check List, No. 337. Brot, List, p. 23. 

 1864.] 



