58 BRITISH MOLLUSKS. 



3. arbustorum. Shell rather large, with a nearly covered um- 



bilicus, solid, of five and a half whorls, brown, freckled with 

 fawn-yellow and rust, lip expandedly reflected. 



4. nemoralis. Shell rather large, imperforate, solid, of five to 



five and a half whorls, mostly yellowish, variously banded 

 with chocolate brown, lip expanded and a little reflected. 



5. Cantiana. Shell moderate, rather narrowly umbilicated, thin, 



semitransparent, of five and a half to six whorls, rufous, lip 

 expanded. 



6. Carthusiana. Shell smaller, minutely umbilicated, semi- 



transparent horny, of six whorls, lip expanded, ribbed within. 



7. Pisana. Shell rather large, very narrowly umbilicated, of 



five whorls, thin, opake rust-white encircled with black in- 

 terrupted pencillings ; aperture rose-tinted, lip simple. 



8. virgata. Shell moderate, slightly umbihcated, of five and 



a half whorls, rather thin, dead white variously banded with 

 rust-brown, Lip simple, ribbed within. 



9. fasciolata. Shell smaller, rather largely umbilicated, of five 



and a half obliquely wrinkled whorls, dead white variously 

 banded with rust-brown, lip simple, ribbed within. 



10. ericetorum. Shell rather large, depressed, broadly umbili- 



cated, of five and a half whorls, buff- tinted, variously banded ; 

 aperture nearly circular. 



11. obvoluta. Shell moderate, depressed, largely umbilicated, of 



six whorls, opake brown, obscurely downy ; aperture triangu- 

 larly contorted, obtusely toothed within. 



12. lapicida. Shell rather large, lens-shaped, broadly umbilicated, 



of five whorls, keeled at the periphery, fawn-brown, lip ex- 

 pandedly reflected. 



13. rufescens. Shell moderate, deeply umbiHcated, thin, of six 



whorls ; yellowish or rufous, lip thinly expanded, white-ribbed 

 within. 



14. bispida. Shell small, rather openly umbilicated, of five to six 



whorls, yellowish horny, downy with short hairs, lip thinly 

 expanded. 



15. sericea. Shell small, minutely umbilicated, of five to six 



whorls, whitish horny, with short, rather distant, silky hairs, 

 hp thinly reflected. 



16. revelata. Shell small, minutely umbilicated, of four whorls, 



wrinkly membranaceous, greenish, lip scarcely reflected. 



