VITRINA.—Puare VII. 
corned, valdé pellucidd, spiré convead, suturd subim- 
pressd, anfractibus declivi-rotundatis, arcuatim plicato- 
striatis ; aperturé oblique lunari-ovatd. 
Ipa’s Virrina. Shell depressly globose, yellowish horny, 
very transparent, spire convex, suture rather im- 
pressed, whorls slopingly rounded, arcuately plicately | 
striated ; aperture obliquely lunar-ovate. 
Preirrer, Pro. Zool. Soc. 1856, p. 325. 
Hab. Island of Celebes; Madame Ida Pfeiffer. 
A light transparent species of simple character, col- 
lected at Oelebes by the renowned traveller after whom it 
is named. 
Species 51. (Mus. Cuming.) 
Virrina CELEBENSIS. Vitr. testa depresse orbiculari, 
soliduld, castaneo-rufescente, nitidd, spira breviter 
conoided, suturd Uineari, opaco-albidd, anfractibus de- 
clivi-convexis, ad peripheriam subproductis ; apertura | 
parviusculd, lunari-rotundata. | 
Tue CeLepes Virrina. Shell depressly orbicular, rather 
solid, chestnut-reddish, shining, spire shortly conoid, 
suture linear, opake whitish, whorls slopingly con- 
vex, rather produced at the periphery; aperture 
rather small, lunar-rounded. 
Preirrer, Pro. Zool. Soc. 1856, p. 325. 
Hab. \sland of Celebes ; Madame Ida Pfeiffer. 
A more solid shell, partaking very much of the form 
and character of Helia. 
Species 52. (Mus. Cuming.) 
Virrina nitipa. Vilr. testd depressé ovata, tenuissimd, 
aureo-lutescente, validé pellucida, vitred, spird pared, 
contend, anfractibus subungustis, obscuré areuatin 
striatis ; apertura subampla, oblique lunari-ovata. 
THE SHINING ViTriNna. Shell depressly ovate, very thin, 
golden-yellow, very transparent, glassy, spire small, 
convex, whorls rather narrow, obscurely arcuately 
striated ; aperture rather large, obliquely lunar-ovate. 
Goutp, Pro. Nat. Hist. Soc. Boston, 1846, p. 180. 
Exped. Shells, p. 9. pl. 1. f. 8. 
Hab. Madeira. 
Remarkably bright in colour, and of the clearest trans- 
parency. 
