PLATE CV. 

 HELIX L^VIGATA, : 



SMOOTH SNAIL. 

 GENERIC CHARACTER. 



Aperture of the mouth contracted and lunulated. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Imperforate, pellucid, roundish, of two wreaths : the first very- 

 large, the second small, obtuse, and placed laterally. 

 Helix L.^vigata : testa hnperforata obovata obtusisslma pellucidi 



Isevissima. Gmel. Linn. Si/st. Nat. T. I. p. 6. 



p. 3663. sp. 148. 

 Helix laevigata. Smoothed. Penn. Br. Zool. T. 4. /. 86./. 139. 



Testa M. rar.f. 17. Chenin. f. 1590. 9. 



A rare Shell, found on the Kentisli coast, and on the beach at Stud- 

 land, Dorsetshire. Communicated by the Rev. T. Rackett. 



Pennant considers this as a fresh water Shell, saying it inhabits 

 ponds. Gmelin is silent respecting its habitation. 

 VOL. III. H 



