CYCLOPHORIDA. 209 
§ 6. Peristome double, umbilicus open, outer edge broadly spreading. 
30. CHONDROPOMA LATILABRE. 
Shell umbilicate, globose-turbinate, truncate, thin, closely sculp- 
tured with longitudinal fold-like striz, diaphanous, fulvous, 
painted with numerous interrupted chestnut-coloured bands ; 
suture deep ; remaining whorls 32, very convex, last rounded ; 
umbilicus middle-sized, pervious ; aperture nearly perpendicu- 
lar, rather ovate ; peristome white, double; inner edge scarcely 
prominent, slightly expanded; outer edge dilated, spreading 
rectangularly all round, angulated above. Operculum typical, 
deep. Length 18, breadth 13 mill. 
Cyclostoma latilabris, Ordigny, Moll. Cub. i. p. 255, t. 21, f. 12. 
Cyclostoma latilabrum, Sow. Zhes. n. 116, p. 131, t. 31, f. 281. 
Cyclostoma latilabre, Pfr. Jc. n. 255, t. 36, f.9, 10. Not n. 72. 
Choanopoma latilabre, Gray, Cat. Cycl. p. 50, n. 7. 
Chondropoma latilabre, Pfr. Consp. n. 485; Pneum. Mon. p. 294. 
Hab. Cuba. 
31. CHONDROPOMA IRRADIANS. 
Shell subperforate, ovate-turreted, truncate, thin, decussated closely 
and coarsely by raised longitudinal and spiral striz, pale horn- 
coloured, painted with four fuscous bands, which are rather 
dissolved into spots; whorls remaining 5, convex, last rounded ; 
aperture perpendicular, ovate; peristome double; inner edge 
continuous, expanded narrowly; outer edge interrupted on the 
penultimate whorl, otherwise broadly spreading horizontally, 
striated concentrically, marked with four chestnut-coloured rays, 
radiatingly folded towards the margin. Operculum pale. 
Length 18, breadth 8 mill. 
Cyclostoma irradians, Shuttl. ISS.; Pfr. Ic. n. 264, t. 37, f. 9, 10. 
Chondropoma irradians, Pfr. Consp. n. 436; Pneun. Mon. p. 294. 
Hab. Cuba. 
§ 7. Peristome double, umbilicus partly closed. 
32. CHONDROPOMA SHUTTLEWORTHI. 
Shell oblong, truncate, crowdedly folded spirally, decussated obso- 
letely by longitudinal striz, silk-shining, very pale fulvous, 
painted with interrupted chestnut-coloured bands; spire oblong ; 
remaining whorls 5, moderately convex, last rounded beneath ; 
aperture oblique, angularly ovate; peristome double; inner edge 
short, slightly expanded ; outer edge spreading broadly, striated 
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