LEPTOPOMA. 
Prat: lie 
Species 8. (Mus. Cuming.) 
LEPTOPOMA IGNESCENS. Lept. testd minute wmbilicata, 
globoso-conicd, rufescente-aurantid, castaneo-nigro con- 
spicue unifasciatd ; anfractibus rotundatis, spiraliter 
confertim elevato-striatis ; aperturad circulari, labro 
conspicue capanso. 
Tur rinry Lepropoma. 
globosely conical, reddish-orange, encircled with a 
conspicuous chestnut-black band; whorls rounded, 
spirally closely elevately striated; aperture circular, 
lip conspicuously expanded. 
Cyclostoma ignescens, Pfeiffer, Pro. 
p- 251. 
Leptopoma ignescens, Pfeiffer. 
Hab. New Ireland. 
Zool. Soe. 
Of a warm reddish-orange colour, encireled round the 
periphery of the last whorl with an unusually sharply de- 
fined chestnut-black band. 
Species 9. (Mus. Cuming.) 
LeprorpoMa SnEcHELLaRUM. Lept. testd modicé umbili- 
cata, globoso-conicd, fuscescente-albd, rufo-fusco ob- 
scure strigatd ; anfractibus rotundatis, spiraliter filoso- 
liratis et bicarinatis; apertura parviusculd, rotun- 
data, labro simplici, subewpanso. 
Tur SrcHe~teE Leproroma. Shell moderately um- 
bilicated, globosely conical, brownish-white, 
Shell minutely umbilicated, | 
1851. | 
ob- | 
scurely streaked with red-brown; whorls rounded, | 
spirally thread-ridged and two-keeled, aperture rather 
small, rounded, lip simple, a little expanded. 
Cyclostoma Sechellarum, Pfeiffer, Pro. Zool. Soc. 1854. 
p- 302. 
Leptopoma ? Sechellarum, Pfeiffer. 
Hab. Sechelle Islands. 
This is not a very satisfactory species, and even the 
genus is doubtful, the specimens being in bad condition. 
Species 10. (Mus. Cuming.) 
Lepropoma Massrenm. Lept. testd angusté umbilicata, | 
globoso-conicd, pellucido-fuscescente, opaco-albo spi- 
raliter filosd ; anfractibus declivi-rotundatis, spiraliter 
lineari-striatis et carinatis; apertura subcirculari, 
labro laté expanso. 
Massena’s Lupropoma. Shell narrowly umbilicated, 
globosely conical, transparent-brown, spirally threaded 
with opake-white ; whorls slopingly rounded, spirally 
linearly striated and keeled; aperture nearly circular, 
lip broadly expanded. 
Cyclostoma Massene, Lesson, Voy. de la Coquille, p. 346. 
jolla ae Ye 
Cyclostoma multilabre, Quoy and Gaimard. 
Leptopoma Massena, Lesson. 
Hab. New Guinea; Lesson, Quoy. 
A transparent-brown shell, delicately encircled with 
opake-white threads. 
Species 11. (Fig. a, 6, c, d, Mus, Cuming.) 
LEPTOPOMA HELICOIDES. 
catd, Trochiformi, pellucido-albd, rufo-fusco lineata aut 
marmoratd ; anfractibus declivi-convexis, spiraliter 
filoso-liratis, ultimo ad peripheriam acuté carinato ; 
Lept. testé angusté wmbili- 
basi plano-couvexo ; apertura lunato-rotundato, labro 
expanso. 
Tur HELICOID LepropoMa. 
Trochus-shaped, transparent-white, lineated or mar- 
bled with red-brown ; whorls slopingly convex, spi- 
rally thread-ridged, last whorl sharply keeled at the 
periphery, flatly convex at the base ; aperture lunar- 
rounded, lip expanded. 
Cyclostoma helicoides, Grateloup, Act. Soc. Linn. de Bor- 
deaux, vol. ii. p. 442. pl. 3. f. 14. 
Cyclostoma Stainforthii, Sowerby. 
Leplopoma helicoides, Pfeiffer. 
Hab. Philippine Islands ; Cuming. 
Shell narrowly umbilicated, 
A very characteristic species, collected by Mr. Cuming 
at several of the Philippine Islands, in different varieties. 
Species 12. (Fig. a, 6, Mus. Cuming.) 
LEPTOPOMA LATELIMBATUM. Lept. testd anguste sub- 
excavato-umbilicatd, globoso-conicd, albidd, subdia- 
phand, maculis et infra peripheriam fasciis duabus 
pallid? fulvis variegatd; anfractibus rotundatis, 
February, 1862. 
