67 



p. 95. Wheatley, Cat. Shells U. S., p. 26. Jay, Cat., 4th Edit., p. 274. 

 Binney, Check List, No. 184. Catlow, Conchologist's Nomenc., p. 188. 



7. A. rubiginosa, Lea. 



Ar.culosa rubiginosa, Lea, ii. p. 83, Oct., 1841. Philos. Trans., ix. p. 20. 



Obs., iv. p, 20- 

 Anculotus rubiginosus, Lea, Jay, Cat., 4th Edit., p. 276. Reeve, Monog. An- 



cul., t. 2, f. 12, t, 6, f. 47. 

 Leptoxis rubiginosa, Lea, Haldeman, Monog. Lept., f. 59 to 70. Binney, 



Check List, No. 383. Chenu, Manuel, i. f. 2035, 2036. 

 Anculosa Grijjfithiana, 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 Grijfithsianus, Lea, Reeve, Monog. Anculotus, t. 1, f . 8. 

 Leptoxis Griffithiana, 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. Halaeman, 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 carinatus, 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 trivittata, 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. 



