132 HELICID^. 



sparingly, throughout England, and ceases probably in the 

 south of Scotland. It is not found in the Isle of Man. 

 In Ireland it is found in the neighbourhood of Dublin 

 (Mr. Hopkins), and other localities, but is scarce. It is 

 widely diffused on the Continent. 



SUCCINEA. Draparnaud. 



Shell spiral, ovate, oblong, or rounded, thin and trans- 

 lucent ; body whorl very large, imperforate, covei'ed with a 

 corneous epidermis. Mouth ovate or oblong, oblique ; 

 peristome thin, disunited. 



Animal bulky, head with four tentacles, the upper ones 

 stout and inflated, the lower ones very short. Foot very 

 large. Dentition intermediate in character between Helix 

 and Vitrina. 



The shells of the amber-snails resemble Lymnei in shape; 

 the animal however is very different. Species of this 

 genus are found, for the most part in damp and wet places, 

 all over the world, and bear so close a resemblance to each 

 other, that it is very difficult to pronounce with certainty 

 on the distinctness of many of them. 



S. putris, Linnaeus. 



Spire small, aperture oblique. 



Plate CXXXI. fig. 1 — 5. 



Helix putris, Linn. Syst Nat. oil. 12, p. 1249. — Mont. Test. Brit. p. 376, pi. 16, 



f. 4. — Donovan, Brit. Shells, vol. v. pi. 168, f. 1. — Dorset 



Catalog, p. .56, pi. 18, f. 19. — Gmel. Syst. Nat. p. 3659. — 



Sturm, Deutsch. Fauna, sect. vi. pt. 1, pi. 16. — Fkius. Prodrom. 



Moll. 9; Hist. Moll. pi. 1 1, f. 4, 6, 7, 8, 9 (Cochlohydra). 



„ succinea, .Miller, Hist. Verm. pt. "_\ p. 97. — Tikt. Conch. Diction, p. 67. 



— Maton and Rack. Trans. Linn. Soc. vol. viii. p. 218. — 



Chemn. Conch. Call. vol. i.\. pt. •_'. p. 178, pi. 1 :i.->, 1'. 1248. 



