188 



PULMONATA. 



Vitrina prsestans, Gould in Bost. Journ. iv. 456, t. 24. f. 2. 



Pfr. Hon. Helic. ii. 497. n. 13. 

 Hab. Tavoy, Birmah. 



13. Vitrina monticola. B.M. 



Shell depressed, thin, striatulate, shining, pellucid, luteseent- 

 horny ; spire plane, scarcely prominent in the middle ; suture 

 lightly impressed ; whorls four, rapidly increasing, nearly level, 

 the last dejiressed, not descending ; aperture obhque, roimded- 

 lunar ; peristome simple, margins connivent, united by a very 

 thin callus, arched-dilated above in front, the columellar forming 

 an obtuse angle with the basal. Lat. 18 by 14, alt. 7h mill. 



Vitrina monticola, Benson, 3ISS. 



Pfr. in Proc. Zool. Soc. 1848; Mon. Helic. ii. 497 ; Icon, 

 t. 2. f. 6-8. 



Hab. Bengal; Landour; Himalaya; Almorah. 



14. Vitrina Bensoni. 



Shell slightly depressed, thin, striatulate, bright, pellucid, pale 

 horny ; spii'e scarcely elevated, obtuse ; suture impressed, slightly 

 margined ; whorls three and a half, shghtly convex, the last 

 rather depressed, rounded at the periphery, wide at the base ; 

 apertm'c oblique, lunate-subcircular ; peristome simple, slightly 

 inflected, margins connivent, rather dilated in front above, colu- 

 mellar receding, much arched. Lat. maj. 12, min. 9^, alt. 6 mill. 



Vitrina Bensoni, Pfr. in Proc. Zool. Soc. 1848 ; Mon. Helic. ii. 



497. n. 14. 

 Hab. E. Indies. 



15. Vitrina birmanica. 



Shell depressed, transversely ovate, very thin and smooth, 

 bright, luteous-green ; spire scarcely elevated ; whorls four, 

 rapidly increasing, scarcely convex, disunited at the impressed 

 suture, the last subplanulate at the base ; apertiu:e very oblique, 

 widely lunate-oval ; peristome acute, dextral margin arched in 

 front. Lat. maj. 9^, min. 7^, alt. 4f mill. 



Vitrina birmanica, Phil, in Zeitschr.f. Mai. 1847> p. 65. 



Pfr. Mon. Helic. ii. 498. 

 Hab. Near Mergui, Birman Empire. 



16. Vitrina Gruneri. B.M. 



Shell glol)ose-depressed, very smooth, dull, olive-horny ; spire 

 scarcely raised ; suture white-margined ; whorls three and a half. 



