NATURAL SCIENCES OF PHILADELPHIA. 41 



p. 301, t. 30, f. 12. Obs. v. p. 57, t. 30. f. 12. Binney, Check List, No. 

 121. Brot, List, p. 40. 



150. G. Va n u xe m i i, Lea. 



Goniobasis Vanuxemii, Lea, Proc. Acad. Nat. Sci., p. 265, 1862. Jour. Acad. 

 Nat. Sci., v. p. 307, t. 37, f. 146. Obs. ix. p. 129. 



151. G. c o g n at a, Anthony. 



Melanin cognata, Anthony, Proc. Acad. Nat. Sci., p. 60, Feb., 1860. Binney, 

 Check List, No. 59. Brot, List, p. 39. Reeve, Monog. Melania, sp. 458, 



152. G. Ge o rgian a, Lea. 



Goniobasis Georgiana, Lea, Proc. Acad. Nat. Sci., p. 265, 1862. Jour. Acad. 

 Nat. Sci., v. pt. 3, p. 308, t. 37, f. 149. Obs. ix. p. 130. 



153. G. abrupt a, Lea. 



Melania abrupta, Lea, Philos. Proc, iv. p. 165. Philos. Trans., x. p. 59, t. 9, 

 f. 32. Obs. iv. p. 59, t. 9, f. 32. Binney, Check List, No. 2. Brot, 

 List, p. 37. Reeve, Monog. Melania, sp. 397. 



154. G. d e p y g i s, Say. 



Melania depggis, Say, New Harmony Disseminator, p. 291. Say's Reprint, 

 p. 19. Am. Conchology, Part 1, t. 8, f. 4, 5. Binney's Reprint, p. 145 

 and 157, t. 8. Binney, Check List, No. 87. Lapham, Cat. Moll. Wis- 

 consin. Kirtland, Am. Jour. Sci. Kirtland, Rep. Zool. Ohio, p. 174. 

 Shaffer, Catalogue. Higgins, Catalogue. Anthony, List, 1st and 2d 

 Edit. Sager, Rept. Michigan Moll., p. 15. Wheatley, Cat. Shells U. S., 

 p. 25. DeKay, Moll. N. Y., p. 89, t. 7, f. 135. Stimpson, Shells of New- 

 England, p. 32. Jay, Cat. Shells, 4th Edit , p. 273. Adams, Am. Jour. 

 Sci., xl. p. 366. Adams, Thompson's Hist. Vermont, p. 152. Catlow, 

 Conch. Nomenc, p. 16. Brot, List, p. 37. Deshayes, Lamark, Anim. 

 sans. Vert., viii. p. 441. Reeve, Monog. Melania, sp. 373. 



Melania occulta, Anthony, Proc. Acad. Nat. Sci., p. 5, Feb., 1860. Binney, 

 Check List, No. 185. Brot, List, p. 38. Reeve, Monog. Melania, 

 sp. 254. 



155. G. 1 i v es c en s, Menke. 



Melania livescens, Menke, Syn. Meth., p. 135, 1830. Binney, Check List, No. 



163. Gould, Lake Superior, p. 245. Jay, Cat., 4th Edit., p. 274. 



Reeve, Monog. Melania, sp. 229. Brot, List, p. 38. Currier, Shells of 



Grand River Valley, Mich., 1859. 

 Melania Niagarensis* Lea, Philos. Proc, ii. p. 12, Feb., 1841. Philos. Trans., 



viii. p. 173, t. 5, f. 21. Obs. iii. p. 11. DeKay, Moll. N. Y., p. 90. 



Wheatley, Cat. Shells U. S., p. 26. Binney, Check List, No. 175. 



Catlow, Conch. Nomenc, p. 187. Brot, List, p. 38. Currier, Shells of 



Grand River Valley, Mich. Bell, Canad. Naturalist, iv. pt. 3, p. 213, 



June, 1859. 

 Melania napella, Anthony, Bost. Proc, iii. p. 362, Dec, 1850. Binney, 



Check List, No. 170. Brot, List, p. 59. 

 Melania cuspidata, Anthony, Bost. Proc, iii. p. 362, Dec, 1850. Binney, 



Check List, No. 83. Reeve, Monog. Melania, sp. 283. 

 Melania correcta, Brot, List, p. 39. 



156. G. Milesii, Leaf 



Goniobasis Milesii, Lea, Proc. Acad. Nat. Sci., p. 154, May, 1863. 



157. G. simplex, Say. 



Melania simplex, Say, Jour. Acad. Nat. Sci., v. p. 126, Sept., 1825. Binney's 

 Edition, p. 115. Binney, Check List, No. 244. Dekay, Moll. N. Y., p. 



*In considering this species to be the same as livescens, I am sustained by the opinion of almost 

 every American Conchologist. 

 t Larger, more convex, and of thinner texture than livescens. 



1864.] 



