LIMNEUS. 181 



Turt. Conch. Diction, p. 66. — Dillw. Recent Shells, vol. ii. 

 p. 963.— Wood, Index Testae, pi. 35. f. 168. 

 Helix corais, Giuel. Syst. Nat. p. 3665 (from Schro't. Fllissconch. p. 307, 

 pl. 7, f. 3, 4). 

 „ fragilis, Pult. Hutchins, Hist. Dorset, p. 48. — Donov. Brit. Shells, vol. v. 



pl. 175, f. 1. 

 ,, fontinalis, Donov. Brit. Shells, vol. v. pl. 175, f. 2 and *. 

 Limneus palustris, Draparn. Moll. Ter. et Fluv. France, p. 52, pl. 2, f. 40, 41, 

 42, and pl. 3, f. 1, 2.— Turt. Manual L. and F. W. Shells, 

 p. 123, f. 107. — Alder, Mag. Zool. and Bot. vol. ii. p. 114. 

 — Thomps. Ann. Nat. Hist. vol. vi. p. 119. — Kickx, Moll. 

 Brabant, p. 59. 

 Lymneus „ Brard, Coq. Paris, p. 136, pl. 5, f. 6, 7. 



Limnceus „ C. Pfeif. Deutsch. Land und Siissw. Moll. pt. 1, p. 88, pl. 4, 

 f. 20. — Macgilliv. Moll. Aberd. p. 109. — Gray, Manual 

 L. and F. W. Shells, p. 239, pl. 7, f. 107. — Rossmassl. 

 Iconog. Land und Siissw. Moll. pt. 1, p. 96, f. 51, 52. — 

 Philippi, Moll. Sicil. vol. i. p. 146; vol. ii. p. 120. 

 Lymncsa „ Lam. Anim. s. Vert. (ed. Desh.) vol. viii. p. 409. — Brown, 

 Ulust. Conch. G. B. p. 28, pl. 15, 18, 4, 14, 26. 

 „ fusca, Nils. Moll. Suec. Ter. et Fluv. p. 70. 

 Limneus communis, Jeffrevs, Trans. Linn. Soc. vol. xvi. p. 376. 



„ tinctus, Jeffreys, Trans. Linn. Soc. vol. xvi. p. 378, 392. 

 Limnea palustris, Fleming, Brit. Animals, p. 274.— Bouillet, Moll. Auvergne, 

 p. 70, animal. — Gras, Moll. Ter. et Fluv. France, p. 64, 

 pl. 5, f. 6.— Mermet, Moll. Pyren. p. 67. 

 Lymnca frayilis, Kenyon, Mag. Nat. Hist. (1829) vol. i. p. 425, f. 182, e. 

 Limnceus „ Stein, Schnecken Berlins, pl. 2, f. 1 4. 



Shell oblong-conic, or elongated oblong-conic, the body 

 being of a rather narrow truncated oval figure, and the 

 spire, when not decollated, tapering gradually to a small 

 point ; moderately strong for the genus, not particularly 

 transparent, not lustrous, brownish horn-coloured, with 

 the microscopic sculpture as in stagnalis, and with the 

 meandering vein-like transverse elevations that are occa- 

 sionally present in the last, more often conspicuous and 

 frequent. Whorls seven, of moderately fast longitudinal 

 increase, more or less rounded, never angulated, moderately 

 tapering, and neither planulate nor abruptly tumid above, 

 divided by a profound and slanting suture : penult turn 

 filling about a fourth of the dorsal length. Body as long 



