68 HELICIM:. 



13. H. RELEVATA (discovered). 



Somewhat globular ; spire depressed ; pale olive green, 

 covered scantily with short pale hairs ; whorls four to four 

 and a half; suture deep; mouth nearly circular ; umbilicus 

 small. 



This is a very local species, only found in the Channel 

 Islands and on the south-west coast of England. 



14. H. FUSCA (dusky brown). 



Sub-conical, so thin as to be almost membranaceous, 

 glossy, pale yellowish brown, marked in the line of growth 

 by strong corrugations ; faintly keeled ; whorls five to five 

 and a half ; umbilicus very small. 



The shell of this species is almost membranaceous, 

 and has been known to have been pressed flat and 

 blown up again without suffering any detriment. 



It does not occur everywhere, but is found near 

 Belfast, in Wales, and in several parts of England. 



It frequents grassy banks, and is said to feed on 

 nettles. 



15. H. PISANA (first noticed at Pisa). 



Sub-globular, solid, nearly opaque, yellowish white, 

 marked with variegated bands ; whorls five to five and a 

 half ; interior of mouth rose-colour ; umbilicus very small. 



This species is unmistakable from its markings and 

 shape, though it somewhat resembles a large form of 



