CYCLOSTOMA. 
PrerFFER, Pro. Zool. Soc. 1854, p. 302. 
Hab. Madagascar. 
This very characteristic species is probably a Cyclophorus. | 
It has little generic relationship with the ordinary Mada- | 
gascar or West India types of the genus. 
Species 90. (Fig. a, 6, Mus. Cuming.) 
CYCLOSTOMA AURICOMUM. 
funde umbilicatd, orbiculari-depressd, sericeo-alba, 
fulvescente tinctd ; anfractibus subangustis, rotundatis, | 
oblique densé lirato-striatis ; aperturd oblique ovata, 
labro subexpanso. 
THE GOLDEN-HaIR CycLostoMa. Shell rather largely 
deeply umbilicated, orbicularly depressed, silky- 
white, tinged with fulvous; whorls rather narrow, 
rounded, obliquely densely ridge-striated ; aperture 
obliquely ovate, lip slightly expanded. 
Gunp.acu, MS. in Mus. Cuming. 
Hab. Cuba. 
Cycl. testé subampliter pro- 
—PuLatTE XIV. 
The surface of the whorls is sculptured obliquely with 
close-set ridge-like striz. 
Fig. 91. (Mus. Cuming.) 
| CycLosToMA CINCINNUS. Cyel. testé minuté umbilicata, 
conico-turbinatd, tenuiculd, albidd, rufo-fusco infra 
| peripheriam angusté unifasciatd ; anfractibus convexis, 
| spiraliter confertim lirato-striatis ; stris in anfractu 
ultimo plus minus obsoletis ; apertura circulari, labro 
tenue reflexo. 
THe curt Cyciostoma. Shell minutely umbilicated, 
conically turbinated, rather thin, whitish, narrowly 
| one-banded beneath the periphery with red-brown ; 
whorls convex, spirally closely ridge-striated, strize 
more or less obsolete on the last whorl; aperture 
circular, lip thinly reflected. 
Sowersy, Pro. Zool. Soc. 1843, p. 60. 
Hab. Madagascar. 
A shell of delicate substance, rather elevately conically 
turbinated. 
