VITRINA.—Puate VI. 
depressed, yellowish hyaline, very transparent, spire 
convex, scarcely emerged, opake-white towards the 
apex, whorls rounded, rather ventricose, closely irre- | 
gularly plicately striated; aperture obliquely lunar- | very unlike the bright green of an emerald. 
rounded. 
PFEIFFER, Pro. Zool. Soc. 1856, p. 326. 
Hab. Australia. 
A very thin submembranaceous shell, with the apex 
opake milky-white, like the preceding species from Borneo. 
Species 43. (Mus. Cuming.) 
VITRINA SMARAGDULUS. 
aureo-corned, subvirescente, parum nitente, spird con- 
Vitr. testi depressé globosd, | 
vexo-planatd, anfractibus declivi-rotundatis, levibus ; | 
aperturd lunari-ovatda. 
THE LITTLE EMERALD ViTRINA. Shell depressly glo- 
bose, golden horny, somewhat greenish, but little 
shining, spire convexly flattened, whorls slopingly 
rounded, smooth; aperture lunar-ovate. 
Beck, Pfeiffer, Pro. Zool. Soc. 1848, p. 104. 
Hab. Island of Negros, Philippines; Cuming. 
There is a faint dull-greenish hue about this species, 
Species 44. (Mus. Cuming.) 
Virrina Gutta. Vitr. testé subdepressé globosa, albido- 
corned, subvitred, spira convexo-pland, anfractibus bre- 
vibus, latiusculis, rotundatis, confertim tenue plicatis ; 
apertura subampla, lunari-rotundata. 
THE DRop ViTRINA. Shell somewhat depressly globose, 
whitish horny, rather glassy, spire convexly flattened, 
whorls short, rather broad, rounded, closely finely 
plicated; aperture rather large, lunar-rounded. 
| Prerrrer, Pro. Zool. Soe. 1848, p- L05. 
Hab. Island of Luzon, Philippines ; Cuming. 
A delicate hyaline bubble-like shell, of almost glassy 
substance. 
