‘ 
CYCLOPHORID&. 169 
larly fringed; whorls remaining 3-3}, convex, last rounded, 
descending and detached anteriorly, keeled above; aperture 
nearly perpendicular, rather circular; peristome double; inner 
edge prominent, slightly expanded; outer edge angularly pro- 
duced above, scarcely reflected on the right, dilated and ex- 
panded on the columellar side. Operculum testaceous, rather 
convex in the middle, with the edge deeply grooved, with four 
volutions, which are deeply furrowed obliquely. Length 16, 
breadth 10 mill. 
Cyclostoma salebrosum, JMorelet, Testac. Noviss. p. 23, n. 59; Pfr. 
Te. nu. 260, t. 36, f. 19-21. 
Cyclostomus salebrosus, Pfr. Consp. n. 352; Pneum. Mon. p. 241. 
Hab. Cuba, the Mount Guajaibon. 
84. CycLostoMUS? SULCULOSUS. 
Shell scarcely rimate, oblong, truncated, solid, not shining, fulvous- 
flesh-coloured, sculptured with raised spiral ridges and very 
crowded longitudinal lines, which are continued over the ridges, 
and the fourth or fifth of which is stronger; spire tapering, gra- 
dually truncated; suture slightly channelled, furnished with 
irregular and distant callous teeth; whorls remaining 4, mode- 
rately convex, the last one somewhat detached anteriorly ; aper- 
ture perpendicular, ovate, brownish within; peristome whitish, 
double ; inner edge slightly expanded and appressed ; outer edge 
shortly expanded, produced above into a triangular beak, very 
narrow on the side of the penultimate whorl, with the left 
margin dilated. Operculum? Length 14, breadth 7 mill. 
Cyclostoma sulculosum, Ferussac, Mus.; Pfr. Ic. n. 318, t. 41, 
f. 15-17. 
Cyclostomus? sulculosus, Pfr. Consp. n. 353; Pneum. Mon. p. 242. 
8. Smaller; pale, with the suture deeper. 
Cyclostoma suturale, Féruss. Mus.; Pfr. Ic. t. 41, f. 21, 28. 
Hab. Guadeloupe. 
85. CycLostomus DoMINICENSIS. 
Shell imperforate, oblong, truncated, rather solid, closely trellised 
by various spiral and more crowded longitudinal lines, scarcely 
shining, pale fulvid; suture toothed regularly ; whorls remain- 
ing 4, moderately convex, the last one shortly detached ante- 
riorly, keeled above; aperture perpendicular, obliquely and an- 
gularly ovate; peristome double; inner edge shortly produced ; 
outer edge white, narrowly expanded, dilated at the upper angle 
and at the base. Operculum (passing to Choanopoma) testa- 
ceous, of four volutions, the margin of which is somewhat de- 
tached. Length 10, breadth 4} mill. 
Q 
