21 



* t ftrJviy intlfony '?roc. Acad. Nat. Sci., Feb. 1860, p. 69. Binney. Check 

 List, No. 399. Reeve, Mouog. lo, t. 1. f. 4. 

 lo Spirostcna, Anthony, Proc. Acad. Nat. Sci., Feb. 1860, p. 70. Bmney, 

 Check List, No. 403. Reeve, Monog. lo, t. 1, f. 1. 



'• ttl^lTAuuX^'^roo. Acad. Nat. Sci., Feb. 1860, p. 69. Binney, Check 

 List, No. 405. Reeve, Monog. lo, t, 3, f. 19. 



Spurious Species. 



lo nodosa, robusta, variabilis, Spillmanii, modesta, viridula, gracilis, nobilis, 



of Lea. 



These are species of Pleurocera. 



Subgenus PLEUROCERA, Rafinesque. 



Pleurocera, Rafinesque, Jour, de Phys. Bruxelles tome 88 p. 423 1819, 



Blain;iUe, Diet. Sc. Nat., xxxii. p. 236, l^J^ xh. p. 37b 1826 Man. 



Malacologie, p. 441, 1825. Rang, Man. Conchyl. p. 374, 1829. Menke 



Syn. Method, Edit. 2, p. 43, 1830. Ferussac, Bi^ll. Zool., p. 93 1835. 



Sowerby, Conch. Man. Edit. 2, p. 231, 1842. Hermannson, Indicis 



Gen. Malacoz., i. p. 296. 1846. Haldeman, Iconog. Encyc, p. 84 

 CeripLia, Swainson, MalacoL, p. 204, 342, 1840. Gray Syn. Brit Mus 



1844. Hermannson, Indie. Gen. Mai, i. p. 208, 184b &i-ay. Zool. 



Proc. pt. 15, p. 153, 1847. H. and A. Adams, Genera, Recent, Moll. i. 



p. 297, 1854. Chenu, Manuel de Conchyl. i. p. 288, 1859. 

 Tplefcovelia Gray, Proc. Zool. Soc, pt. 15, p. 153, 1847. 

 iat/aT(pa;trH and A. Adams, Genera, i. p. 300, 1854. Chenu, Man. de 



Conchyl .i. p. 290, 1859. . ^, ,t ^ 



Megara, (part) H. and A. Adams, Genera, i. p. 306, 1854. Chenu, Man. de 



Try^^Z^'l^Sro^A^^^- Nat. Sci., p 169, April 1862. Jo-. Acad. 

 Nat. Sci., 2d ser. v. pt. 3, p. 268, March, 1863. Obs., ix. p. 90, March, 



MelaT,\sv.) of authors. Binney, Check List Reeve, Monog. Mel., Nov., 

 1859, to June, 1861. Brot, Cat. Syst., p. 30, IbbZ. 



SPECIES. 



A. Tuberculate. 



1. P. alveare, Conrad. r,-, -,. ka i a t i iq-^j. 



Melania alveare, Conrad, New Fresh Water Shells, p. 54, . 4, f 7, 1834. 



DeKay, Moll. N. Y., p. 94. Wheatley, Cat. Shells U. S., p. 24 Jay, 



Cat. 4th Edit., p. 272. Binney, Check List, No. 11. Brot, List, p. 30. 



Hanley, Conch. Misc., t. 8, f. 74. _ 

 Meaara alveare, Conrad, Chenu, Manual, i. f. 20 .i J. 

 mZuI toreiuata. Lea, Philos. Proc, ii. p. 242 Dec. 1842. P ulos Tra^. 



ix. p. 27. Obs., iv. p. 27. Wheatley, Cat. Shells U. S., p. 27. Bm- 



M./aSv'S.,«f LerPhilo. Proc. iv p. 105 Aug., 1845. Phil-- Jrans 

 p. 66, t. 9, f. 49. Obs., iv. p. 66, t. 9, f. 49. Binney, Check List, 



X. 



No? 202.' 



Melania nupera. Say, (young) American Conchol. pt. It S.tnidaio figure. 



Melania producta,* Lea, Philos. Proc, u. p. 243 Dec., 1842 Pl^^l^^' /^^"P- 

 ix. p. 28. Obs.,iv. p. 28. Wheatley, Cat. Shells, U. S., p. 2b. Bm- 

 ney, Check List, No. 217. Brot, List, p. 36. 



Mclanii grossa,* Anthony, Proc. Acad. Nat. Sci., p. 59, Feb., 1860. Brot, 



List, p. 40. Reeve, Mo nog. f. 411. 



» M. productum sindgrossa are the young of a large variety of alveare. 



