CYCLOPHORID&. 79 
panded, with distant margins; columellar margin shortly re- 
tlected. Height 8, breadth 12 mill. 
Cyclostoma ciliatum, Sow. in Proc. Z. 8S. 1840, p.65; Thes. n. 102, 
p. 127, t. 30, f. 237, 238; Pfr. Ic. n. 161, p. 150, t. 20, f. 26, 27. 
Leptopoma ciliatum, Pfr. in Z. f. MW. 1847, p. 109, n. 12; Consp. 
n. 161; Gray, Cat. Cycl. p. 25, n. 11; Pfr. Pneum. Mon. p. 112. 
Hab. The province of South Camarinas, Island of Luzon (H. 
Cuming). 
17. LzpropoMA CILIFERUM. 
Shell turbinate-conical, umbilicate, slightly keeled, thin, trans- 
versely striate, reddish-brown ; spire very acuminated, with the 
suture perspicuous ; whorls 6, rather flat on both sides, girdled 
above with five raised ridges, the last one rather inflated with 
the keel becoming obsolete, sculptured with scaly strize of 
growth, produced on the keel into long hairs, moderately con- 
vex beneath, furnished with slightly-raised lines, which are 
more distinct towards the umbilicus ; aperture nearly circular, 
angular above, with the margin double; outer edge rather 
membranaceous, reflected; inner edge straight. Height 9.4, 
greatest breadth 11, least br. 9 mill. 
Cyclostoma ciliferum, Mousson, Jav. Moll. p. 56, t. 7, f. 3. 
Leptopoma ciliferum, Pfr. Consp. n. 162; Pneum. Mon. p. 112. 
Hab. Java. 
§. 4. Peristome reflexed, shell conical. 
18. LEPToPOMA UNDATUM. 
Shell very narrowly perforate, globose-conical, thin, spirally and 
very closely striate, diaphanous, whitish, painted irregularly 
with brownish waving streaks ; spire elongate-conic, with the 
apex rather pointed ; whorls 53, scarcely convex, the last one 
large, sharply keeled below the middle, convex on both sides ; 
aperture diagonal, ovate-roundish ; peristome thin, with distant 
margins ; right margin broadly reflected into the plane of the 
aperture ; columellar margin shortly reflected. Height 192, 
greatest breadth 15, least br. 114 mill. 
Cyclostoma undatum, Metcalfe, in Proc. Z. S. 1851. 
Leptopoma undatum, Pfr. Consp. n. 163; Pnewm. Mon. p. 111. 
Hab. Borneo. 
19. LEPTOPOMA FIBULA. B. M. 
Shell perforate, top-shaped, thin, slightly striate and obliquely 
foveolate, uniformly white or painted with horn-coloured an- 
gular stripes; spire conical, pointed ; whorls 5-6, rather flat, 
girdled with unequal raised lines; last whorl rather convex, 
