PLATE CLVII. 



This kind may be readily distinguished by a slight carene, or ridge 

 that surrounds the first or largest wreath of the shell. The colour, 

 as the name implies, is reddish when the animal is alive ; when dead, 

 whitish and discoloured : the carene is usually of a lighter colour 

 than the rest of the shell. 



Da Costa speaks of it as being not very common ; observing at the 

 same time that he had received it from Cornwall and Hampshire. It 

 is pretty frequent, he adds, about Leeswood in Flintshire, between the 

 bark and wood of trees thrown down, and decayed, especially alders. 

 Dr. Lister found it in plenty about Tadcaster, in the woods and hedges 

 of marshy and shady meadows, and in like places throughout Craven, 

 in Yorkshire : he observes there is a variety, (if not a different species,) 

 in Kent, somewhat larger, lighter coloured, and with a smaller um- 

 bilicus. Mr. Morton found it at Morsley, and the other, Northamp- 

 tonshire woods. To this we should add, that from our own obser- 

 vation, the species appears to be more frequent in many parts of the 

 country than our author imagined. It delights chiefly in marshy 

 places. Occasionally we have found it on aquatic plants in Battersea 

 meadows. 



FIG. IL 

 HELIX PALLIDA. 



PALE SNAIL. 

 SPECIFIC CHARACTER. 



Shell inflated, slightly umbilicated, fragile, pale : whorls six, convex ; 

 aperture semilunar. 



