CYCLOPHORID®. 201 
B.? With sharper spiral ridges. 
Cyclostoma elongatum, Pfr. Jc. n. 79, p. 84, t. 10, f. 19, 20. 
Hab, Cuba. 
11. CHONDROPOMA SIMPLEX. 
Shell subperforate, oblong, truncate, rather solid, sculptured with 
raised spiral lines and very crowded longitudinal lines tra- 
versing the ridges, scarcely shining, pale orange-coloured, 
painted with reddish-brown lines, which are interrupted by 
streaks; suture rather simple; whorls 41, convex, enlarging 
slowly, last rounded, more distinctly spirally grooved beneath, 
slightly detached anteriorly ; aperture perpendicular, angularly 
ovate; peristome simple, continuous, very slightly expanded, 
with the margins joined above into a produced angle. Oper- 
culum fuscous-yellow. Length 114, breadth 5 mill. 
Cyclostoma simplex, Pfr. in Proc. Zool. Soc. 1852; Ic. n. 393, t. 47, 
f. 23, 24 
Chondropoma simplex, Pfr. Pnewm. Mon. p. 283. 
Hab, Haiti (Sallé). 
§ 3. Peristome simple, rather thickened, narrow. 
12. CHONDROPOMA PICTUM. B. M. 
Shell perforate, cylindric-conical, truncate, thin, closely striated 
spirally, pellucid, reddish-fulvous, painted with interrupted or 
broken chestnut-coloured bands, 3-4 of which are often broader, 
the rest linear; whorls remaining 4, convex, last rounded be- 
neath; aperture rather perpendicular, ovate; peristome rather 
free, slightly thickened, shortly reflexed, shining, flesh-coloured 
within, with the margins united into an angle above, colu- 
mellar margin dilated at its lower part. Operculum pale 
yellow-grayish. Length 21, breadth 11 mill. 
Cyclostoma pictum, Pfr. in Wiegm. Arch. f. Naturg. 1839, i. 
p. 356; Jc. n. 129, p. 125, t. A. f. 4, 5, t.15, £.1-11; Désh. Traité 
élém. Conch. t. 82, ae 8. 
Cyclostoma semilabrum, Reeve, Conch. Syst. ii. t. 180, f. 1. 
Cyclostoma Sagra, Orb. Moll. Cub. i. p. 263, t. 22, f. 21-23 ; Sow. 
Thes. n. 166, p. 150, t. 31, f. 279. 
Cyclostoma Mahogani, Gould, in Bost. Journ. 1842, iv. 1. 
Chondropoma pictum, Pfr. in Z. f. Mf. 1847, p. 109, n. 1; Consp. 
n. 419; Pneum. Mon. p. 283. 
Chondropoma semilabre var., Gray, Cat. Cycl. p. 56. 
B. Shell rather uniformly Pi bish-vislachows, of different size. 
y. Smaller, for the most part darker coloured; length 14, breadth 
at 
$ mill. 
