NATURAL SCIENCES OF PHILADELPHIA. 103 



19. A. p i s ti m, Halderaan. 



Leptoxis pisum, Haldeman, Monog. Lept. p. 4, t. 3, f. 82. Binney, Check 

 List, No. 378. Brot, List, p. 25. 



20. A. c o n t o r t a, Lea. 



Anculosa contorta, Lea, Proc. Acad. Nat. Sci. p. 187, 1860. Jour. Acad. 



Nat. Sci. v. pt. 3, p. 258, t. 35, f. 66, Mar. 1863. Obs. ix. p. 80. 

 Leptoxis contorta, Lea, Binney, Check List, No. 347. Brot, List, p. 24. 



21. A. vittat a, Lea. 



Anculosa vittata, Lea, Proc. Acad. Nat. Sci. p. 188, 1860. Jour. Acad. Nat. 



Sci. v. pt. 3, p. 256, t. 35, f. 63, Mar. 1863. Obs. ix. p. 78. 

 Leptoxis vittata, Lea, Binney, Check List, No. 397. Brot, List, p. 26. 



22. A. p 1 a n o s p i r a, Anthony. 



Melania planospira, Anthony, Ann. Lye. Nat. Hist. N. Y., vi. p. 123, t. 3, 

 f. 24, Mar. 1854. Binney, Check List, No. 208. Brot, List, p. 40. 

 Hanley, Conch. Misc. Meiania, t. 8, f. 67. 



Anculotus planospira, Anthony, Reeve, Monog. Anculotus, t. 2, f. 11. 



23. A. a m p 1 a, Anthony. 



Anculosa ampla, Anthony, Ann. N. Y., Lye. Nat. Hist. vi. p. 159, t. 5, f. 



22, 23. 

 Leptoxis ampla, Anthony, Binney, Check List, No. 339. Brot, List, p. 23. 



Variety a. 



Anculosa elegans, Anthony, Proc. Acad. Nat. Sci. p. 69, Feb. 1860. 

 Anculotus elegans, Anthony, Reeve, Monog. Anculotus, t. 6, f. 49. 

 Leptoxis elegans, Anthony, Binney, Check List, No. 356. Brot, List, p. 24. 



Variety b. 



Anculosa formosa, Lea, Proc. Acad. Nat. Sci. p. 187, 1860. Jour. Acad. Nat. 



Sci. v. pt. 3, p. 254, Mar. 1863. Obs. ix. p. 76. 

 Leptoxis formosa, Lea, Binney, Check List, No. 358. Brot, List, p. 24. 



24. A. z e b r a,* Anthony. 



Anculosa zebra, Anthony, Proc. Acad. Nat. Sci. p. 69, Feb. 1860. 



Anculotus zebra, Anthony, Reeve, Monog. t. 6, f. 52. 



Leptoxis zebra, Anthony, Binney, Check List, No. 398. Brot, List, p. 26. 



25. A. p i c t a, Conrad. 



Anculosa picta, Conrad, Am. Jour. Science, IstSer., xxx. p. 342, t. 1, f. 15, 



Jan. 1834. Wheatley, Cat. Shell U. S., p. 28. Hanley, Conch. Misc. 



Melania, t. 5, f. 39. . 

 Anculotus pictus, Conrad, New Fresh- Water Shells, p. 62, 1834. Reeve. 



Monog. Anculotus, t. 3, f. 20. Jay, Cat. 4th Edith,, p. 276. DeKay, 



Moll. N. Y., p. 103. 

 Leptoxis picta, Conrad, Haldeman, Monog. Lept. t. 3, f. 74 80. Binney, 



Check List, No. 377. Brot, List, p. 25. 

 Anculosa Foremani, Lea, Philos. Proc. ii. p. 243, Dec. 1842. Philos. Trans. 



ix. p. 29. Obs. iv. p. 29. Wheatley, Cat. Shells U. S., p. 28. 

 Leptoxis Foremani, Lea, Binney, Check List, No. 359. 

 Anculosa flammata, Lea, Philos. Proc. ii. p. 243. Philos. Trans, ix. p. 30. 



Obs. iv. p. 30. 

 Anculotus flammatus, Lea, Reeve, Monog. Anculotus, t. 3, f. 18. 

 Leptoxis flammata, Lea, Binney, Check List, No. 357. 



* Differs in form from picta, Con., but so much resembles in coloring the variety flammata, 

 described by Mr. Lea, that I doubt whether it is distinct. 



1864.] 



