CYCLOSTOMA.—Ptate XII. 
Species 74. (Fig. a, b, c, d, Mus. Cuming.) 
CycLostoma HumMpPHREYaNUM. Cyel. testd angusté sub- 
profundé umbilicatd, ovato-turritd, albidd, rufo-fusco 
varie pict; anfractibus convexis, longitudinaliter 
confertissimé lirato-striatis, stris interdum gradatim 
obsoletis ; apertura circulari, margine interdum vi- 
vide aurantio-rufo, labro latissimé plano-dilatato. 
Humpurey’s Cyctostoma. Shell narrowly rather deeply 
umbilicated, ovately turreted, whitish, variously 
painted with red-brown; whorls convex, longitudi- 
nally very closely ridge-striated, strize sometimes 
gradually obsolete; aperture circular, sometimes 
bright orange-red at the edge, lip very broadly flatly 
dilated. 
Cyclostoma pictum, Sowerby (not of Pfeiffer), Thesaurus 
Conch. p. 142. pl. 28. f.. 157, 158. 
Cyclostoma Humphreyanum, Pfeiffer. 
Choanopoma Humphreyanum, Gray. 
Hab. Jamaica. 
Remarkable for its broadly dilated lip and great variety 
of colouring, the aperture being sometimes edged with 
bright orange-red. 
Species 75. (Mus. Cuming.) 
CycLostoMa RaNGELINUM. Cycl. testd angusté subpro- 
fundé umbilicatd, subelongato-turritd, lutescente-cor- 
ned, subpellucidd, maculis parvis sagitlaformibus cas- 
taneis multifasciatd ; anfractibus convewis, undique | 
minute reticulatis, ad suturas rudé plicato-crenatis ; 
apertura pyriformi-ovatd, labro duplici, via expanso. 
RanGeL’s Cycirostoma. Shell narrowly rather deeply 
umbilicated, somewhat elongately turreted, yellowish- 
horny, semitransparent, many-banded with arrow- 
headed chestnut spots; whorls convex, minutely re- 
ticulated throughout, rudely plicately crenated at 
the sutures; aperture pyriformly ovate, lip duplex, 
scarcely expanded. 
Pory, Mem. Cuba, vol. i. pl. 8. f. 13-19. 
Hab. Cuba. 
A fine species, especially characterized by its numerous 
bands of distinct arrow-headed chestnut spots. 
Species 76. (Mus. Cuming.) 
CycLostoMa VIRGATUM. Cel. testa angustissime umbili- 
catd, ovato-conicd, fulvescente-albd, castaneo-fusco 
multifasciatd ; anfractibus convewis, levibus, subtililer 
malleatis ; apertura circulari, labro tenué reflexo. 
Ture stripeD Cyciostoma. Shell very narrowly umbi- 
licated, ovately conical, fulvous-white, many-banded 
with chestnut-brown ; whorls convex, smooth, de- 
licately malleated ; aperture circular, lip thinly re- 
flected. 
Sowersy, Thesaurus Conch. p. 130. pl. 29. f. 192. 
Cyclostoma consocium, Gray. 
Hab. Madagascar. 
A many-banded conical shell, with very much the aspect 
of a Bulimus. 
