44 



deep. When deprived of the skin, it very much 

 resembles a small Trochus. 



This is probably the Trochus terrestris Mortoni of 

 Da Costa, who represents it as hardly the fourth 

 part of a barley-corn in size, of the Trochus shape, 

 of alight brown colour, of four wreaths, with deep 

 striae, and the larger wreaths rising into a sharpish 

 edge. 



Pennant's shell, described as minute, conic and livid, 

 and represented as having been discovered by 

 Mr. Hudson in the mountains of Cumberland, is 

 in all probability this species, perhaps deprived of 

 its epidermis. We have found it under stones, on 

 the summits of the lofty hills around Torquay, in 

 Devonshire. 



In woods among moss and dry leaves. 



•j-j-j- The mouth without the internal rib, and the 



umbilicus closed or nearly so. 

 34. Helix Pomat'ia. Shell globular, striate, pale 



rufous with obscure darker bands : aperture nearly 



circular. 



b. with the volutions reversed. 



c. with the volutions prolonged, - and almost 

 unconnected. 



