LEPTOPOMA.—Ptuate IV. 
running into the suture; aperture triangularly ovate, 
lip expandedly reflected. 
Cyclostoma pileus, Sowerby, Pro. Zool. Soc. 1843, p. 31. 
Leptopoma pileus, Pfeiffer. 
Hab. Vsland of Luzon, Philippines; Cuming. 
A rather dull-looking species, of an obtusely pyramidal 
conical form, encircled at the basal angle with a characte- 
ristie opaqne-white thread-like keel, which passes upwards 
into the suture. 
Species 23. (Fig. a, 6, Mus. Cuming.) 
LEpropoMA CINCTELLUM. Lepé. testd anguste umbilicatd, 
globoso-turbinatd, tenui, pellucido-albd, castaneo nitide 
spiraliter lineatd et latifasciatd, aut undato-marmo- 
vata, anfractibus rotundatis, spiraliter filoso-liratis, 
liris subdistantibus, interstitiis sub lente minute stri- 
atis ; apertura circulari, labro late expanso. 
THE FINELY-Grrt LepropoMa. 
cated, globosely turbinated, thin, transparent-white, 
Shell narrowly umbili- 
neatly spirally lineated and broadly banded or wave- 
mottled with chestnut, whorls rounded, spirally 
thread-ridged, ridges rather distant, interstices, be- 
neath the lens, minutely striated; aperture circular, 
lip broadly expanded. 
Preierer, MS. in Mus. Cuming. 
Hab. Island of Ternate, Moluccas ; Wallace. 
A charming species, in which the thread-like ridges are 
sometimes bright chestnut, on a ground which is transpa- 
rent-white in the interstices between the bands. 
Species 24. (Mus. Cuming.) 
LrepropomMa GLOBULOSUM. Lept. testa anguste umbili- 
catd, globosd, tenui, pellucido-alba, castaneo undato- 
marmorata vel flammatd, flammis interdum grandibus 
distantibus, spird sepe acuminata, anfractibus rolun- 
datis, interdum subinflatis, spiraliter exilissimé filoso- 
liratis ; apertura circulari, labro expanso. 
GLOBOSE LEPTOPOMA. 
globose, thin, transparent-white, wave-marbled or 
THE Shell narrowly umbilicated, 
flamed with chestnut, flames sometimes large and 
distant, spire often acuminated, whorls rounded, 
sometimes rather inflated, spirally very finely thread- 
ridged ; aperture circular, lip expanded. 
Preirrer, MS. in Mus. Cuming. 
Hab. Island of Batchian, Hastern Archipelago ; Wallace. 
The specimen figured is the wave-mottled variety, with 
the spire rather acuminated ; the shorter and more inflated 
form of the species, from which it takes its name, is dashed 
with large distant flames. 
