4262 Mollusks. 



Helix lapicida. Tolerably abundant among the fissures of the 

 limestone rocks, at Went Vale. 



„ pulchella. Pretty common ; specimens of var. imbricata 

 have been found in dry as well as marshy situations. (See Turton, 

 p. 142). 



„ Cantiana. Common, but local, being confined to a few hun- 

 dred yards of hedging. 



„ fusca. Not been found nearer than the woods by Doncaster, 

 and can hardly be said to belong to this neighbourhood. 



„ fulva. Tolerably common, at roots of grass in damp 

 situations. 



„ aculeata. Common among damp vegetable matter at hedge- 

 bottoms. 



„ granulata. Found in a small copse some years ago, but not 

 lately. 



„ sericea. Two or three specimens were found here last year 

 by W. Robinson, of York. 



„ hispida. Common, among loose stones, &c. 



„ concinna. Abundant. 



„ depilata ? One or two supposed specimens. 



„ rufescens. Common on a hedge-bank near Wakefield; I 

 have all shades, from light horn to bright brown. 



„ virgata. Abundant among the herbage near the Pontefract 

 railway station, but comparatively small in size. 



„ caperata. Not common. 



„ ericetorum. Common at Went Vale, on limestone herbage. 

 Zonites rotundatus. Abundant, under stones. 



„ pygmaeus. Pretty common, at roots of damp and peaty 

 grass. 



„ alliarius. Occasional, beneath stones ; strongly garlic- 

 scented, especially when irritated. 



„ cellarius. Common, in its usual haunts. 



„ purus. Common, among decayed leaves, at hedge-bottoms, 

 and in woods. 



„ crystallinus. Ditto. 



„ nitidulus. Very common, under stones, &c. 

 „ radiatulus. Occasionally found at roots of grass, in damp 

 pastures. 



„ lucidus. This beautiful shell occurs in unusual abundance 

 among the stranded flags and Equiseta of Hemsworth Dam. The 

 large specimens seem to be more or less corroded at the apex. 



