39 



25. G. snbstricta, Haldeman.* 



Melania substricta, Haldeman, Monog. Limniades, vii. p. 4 of cover, Jany., 

 1844. Wheatley, Cat. Shells U. S., p. 27. Binney, Check List, No. 

 256. Brot, List, p. 36. 



26. G. aequalis, Haldeman. t 



Melania (equalis, Haldeman, Monog. Limniades, No. 4, p. 3 of cover, Oct. 5, 

 1841. Jay, Cat , 4th ed., p. 272. Binney, Check List, No. 7. 



27. G. semigradata, Reeve. 



Malania semigradata, Reeve, Monog. Melania, sp. 472, May, 1861. Brot, 

 List, p. 33. 



28. G. carinocostata,;]; Lea. 



Melania carinocostata, Lea, Philos. Proc., iv. p. 16P, 1845. Philos. Trans., 



x. p. 62, t. 9, f. 40. Obs. iv. p. 62. Binney, Check List, No. 49. Brot, 



List, p. 35, Reeve, Monog. Melania, sp. 333. 

 Goniobasis strenua, Lea, Proc. Acad. Nat. Sci., p. 267, 1862. Jour. Acad. 



Nat. Sci., v. pt. 3, p. 316, t. 37, f. 161, March, 1863. Obs. ix. p. 138. 

 Goniobasis Leidi/ana, Lea, Proc. Acad. Nat. Sci., p. 268, 1862. Jour. 



Acad. Nat. Sci., v. pt. 3, p. 322, t. 38, f. 173, March, 1863. Obs. ix. 



p. 144. 



Melania scabrella, Anthony, Reeve, Monog. Melania, sp. 388. 

 Melania scabriuscula, Brot, List, p. 36. 



29. G. Lecontiana, Lea. 



Melania Lecontiana, Lea, Philos. Proc., ii. p. 13, Feb. 1841. Philos. Trans., 

 viii. p. 177, t. 5, f. 29. Dekay, Moll. N. York, p. 96. Wheatley, Cat. 

 Shells U. S., p. 26. Brot, List, p, 35. Jay, Cat., 4th edit., p. 274. 

 Binney, Check List, No. 160. Catlow, Conch. Nomenc., p. 187. 



Melasma Lecontiana, Lea. Chenu, Man. Conchyl., i. f. 2002. 



30. G. cadus, Lea.|| 



Goniobasis cadus, Lea, Proc. Acad. Nat. Sci., p. 272, 1862. Jour. Acad. 

 Nat. Sci., v. pt. 3, p. 345, t. 38, f. 211, March, 1863. Obs. ix. p. 167. 



31. G. obtusa, Lea.ir 



Melania obtusa, Lea, Philos. Proc., ii. p. 13, Feb., 1841. Philos. Trans., 

 viii. p. 176, t. 5, f. 28. Obs. iii. p. 14. Dekay, Moll. New York, p. 

 96. Binney, Check List, No. 183. Troost, Cat. Shells Tennessee. 

 Wheatley, Cat. Shells U. S., p. 26. -Catlow, Conch. Nomenc., p. 188. 

 Brot, List, p. 59. 



32. G. amoe^na. Lea. 



Goniobasis amaena, Lea, Proc. Acad. Nat. Sci., p. 268, 1862. Jour. Acad. 

 Nat. Sci., v. pt. 3, p. 323, t. 38, f. 175, March, 1863. Obs. ix. p. 145, 

 t. 38, f. 175. 



33. G. Tuomey i, Lea. 



Goniobasis Tuomeyi, Lea, Proc. Acad. Nat. Sci., p. 266, 1862. Jour. Acad. 

 Nat. Sci., v. pt. 3, p. 311, t. 37, f. 153, March, 1863. Obs. ix. p. 133. 



* Somewhat like gradlis, tea, but is a stouter, more ponderous species. 



t Allied to carinocostata, Lea, but in that species the plicae are terminated by an acute angle 

 <Jr rib on the body whorl and the spire is angled or carinate. 



J A very variable species. The M.. scabrella of Anthony is a half-grown shell ; in which state 

 the plicse and earinse are more distinct than in the adult form. Scabrella being preoccupied by 

 an European author, M. Brot changed the name to scabriuscula. 



g Mr. Reeve's fignre 404 does not represent this species ; it is nearer to decorata, Anthony. TIi 

 shell is closely allied to carinocostata and xqualis. 



| Allied to G . obtusa, hut appears to differ in not being so closely plicate as that species. It 

 may possibly = Lccimtiana. 



1 Is this the young shell of cadut or carinocostata f 



