PULMO>fATA. 191 



23. ViTRiNA Leytensis. 



Shell depressed, eircuit oval, very thin, smooth, verj' bright, 

 lutescent-pink ; spu-e nearly level, scarcely elevated ; suture 

 lightly impressed ; whorls three, rapidly increasing, the last 

 nearly level above, more convex and rather wide at the base ; 

 aperture slightly obhque, rounded, lunar, wider than high ; pe- 

 ristome very thin, upper margin scarcely arched, columellar 

 slightly reflected above, forming an obtuse angle with the lower 

 at the base. Lat. maj. 13, min. 10^, alt. 7 mill. 



Vitrina Leytensis, Beck, MSS. 



Pfr. in Proc. Zool. Soc. 1848 ; Mon. Helic. ii, 500. n. 22 ; 

 Icon. t. 3. f. 15-17. 

 Hab. Phihppines. 



24. Vitrina Margarita. ' 



Shell depressed-globose, very thin, striatulate, bright, pel- 

 lucid, pinky-hyaline ; spire rather small, nearly level ; sutvu-e 

 linear ; whorls three and a half, nearly level, rapidly increasing, 

 the last large, inflated ; aperture oblique, lunate-subcircular ; 

 peristome veiy thin, upper margin ddated in front, columellar 

 lightly arched. Lat. maj. 14, min. 11, alt. 8 mill. 



Vitrina margarita. Beck, MSS. 



Pfr. in Proc. Zool. Soc. 1848 ; Mon. Helic. ii. 500; Icon. 

 t. 2. f. 34-36. 

 Hab. Phihppines. 



25. Vitrina gutta. 



Shell depressed-globose, very thin, quite smooth, bright, 

 hyaline ; spire very slightly elevated ; suture linear, narrowly 

 margined; whorls three and a half, nearly level, rapidly in- 

 creasing, the last large, depressed-rounded, rather wider at the 

 base; aperture slightly oblique, lunate-circular; peristome simple, 

 regularly arched all round, columellar margin passing inwards, 

 slightly reflected above. Lat. maj. 11, min. 8^, alt. 6 mill. 



Vitrina gutta, Pfr. in Proc. Zool. Soc. 1848 ; Mon. Helic. ii. 500 ; 



Icon. t. 2. f. 25-27. 

 Hab. Luzon, Philippines. 



26. Vitrina rufescens. 



Shell depressed-globose, verj' thin, plicatulate, bright, pellucid, 

 rufescent ; spire shortly conoidal, rather obtuse ; suture im- 

 pressed ; whorls nearly four, slightly convex, rapidly increasing, 

 the last ventricose ; aperture scarcely obhque, lunate-subcircular ; 



