PULMONATA. 189 



slightly convex, the last rather depressed ; aperture veiy oblique, 

 limate-oval ; peristome sim])le, margins connivent, columellar 

 arched, subinflected. Lat. maj. 8, min. 6, alt. 5 mill. 



Vitrina Griineri, Pfr. Symb. iii. 81 ; Mon. Helic. ii. 498. 

 Hab. Arabia. 



17. Vitrina baccata. 



Shell small, thin, fragile, diaphanous and pale ; whorls appa- 

 rently only one, or at all events the body whorl may be said to 

 constitute the whole shell ; aperture nearly circular, lips scarcely 

 intenixpted, slightly thickened and partially reflected ; surface 

 of the shell polished, finely striated by minute lines of growth, 

 and ornamented with longitudinal bead-like lines or strings of 

 minute bubbles, which can be seen only under a strong lens ; 

 upper side depressed, flattened ; under side rounded, ventricose. 

 Length H line. [Hutton.) 



Vitrina baccata, Hutton in Journ. As. Soc. July 1849, p. 650. 



Pfr. Mon. Suppl. 2. 

 Hab. Melmandeh, between Kopik Pass and Candahar, Afghani- 

 stan. 



c. Asiatic — Insular. 



18. Vitrina Cumingi. 



Shell depressed-globose, very thin, finely striated, bright, 

 whitish homy ; spire very short, obtuse ; suture smooth, bordered 

 by an impressed line ; whorls four, scarcely convex, the last in- 

 flated, subdepressed, zoned in the middle by a rufous line ; aper- 

 ture rather oblique, lunate-rounded ; peristome simple, margins 

 remote, columellar subvertical, slightly arched, rather reflected 

 above, resembling a punctiform perforation, scarcely arched above 

 in front. Lat. maj. 20, min. 17, alt. 12 mill. 



Vitrina Cumingi, Beck, MSS. 



Pfr. in Proc. Zool. Soc. 1848; Mon. Helic. ii. 498. n. 17 ; 

 Icon. t. 2. f. 1, 2. 

 Hab. Bohol, Philippines. 



19. Vitrina bicolor. 



Shell subglobose, thin, rather smooth, very bright, whitish- 

 pink ; spire short, convex, obtuse ; suture impressed ; whorls 

 three and a half, rapidly increasing, the last inflated, hyaline in 

 front, rather naiTOW at the base, membranous-margined ; ajier- 

 ture scarcely obUque, lunate-rounded ; peristome very thin, dex- 



