CYCLOPHORID&. 199 
Cyclostoma Loweanum, Pfr. in Proc. Z. S. 1852; Ic. n. 392, t. 47, 
f. 15, 16. 
Chondropoma Loweanum, Pfr. Mon. Prewm. p. 281. 
Hab. Haiti (Sallé). 
6. CHONDROPOMA EUSARCUM. 
Shell subperforate, ovate, ventricose, rather thin, sculptured with 
very crowded longitudinal plaits, scarcely shining, diaphanous, 
pale reddish-yellow, girdled sometimes with interrupted red- 
dish-brown lines ; spire convex-conic, shortly truncate; suture 
rather simple; whorls remaining 4, convex, the last scarcely 
larger than the preceding, very shortly detached anteriorly, 
sculptured beneath with several spiral ridges; aperture scarcely 
oblique, angularly ovate; peristome simple, slightly expanded, 
with the margins joined above into a sharp angle, left margin 
nearly rectilinear. Operculum typical. Length 13, breadth 
74 mill. 
Cyclostoma eusarcum, Pfr. in Proc. Z. S. 1852; Jc. n. 395, t. 48, 
£5¥;, 2: 
Chondropoma eusarcum, Pfr. Pneum. Mon. p. 281. 
Hab. Haiti. 
7. CHONDROPOMA LITTURATUM. 
Shell subimperforate, ovate-conic, not truncate, rather thin, mi- 
nutely decussated by impressed longitudinal and spiral strie, 
little shining, fuscous-whitish, painted very elegantly with 
letter-like chestnut-coloured stripes, and for the most part with 
a single brown band near the base; spire conic-turreted, entire, 
blunt; suture crenulated irregularly ; whorls 7, little convex, 
the last one somewhat narrower, shortly detached anteriorly ; 
aperture perpendicular, angularly ovate; peristome simple, 
straight, with the columellar margin very slightly reflexed. 
Operculum yellowish-white, pellucid. Length 16-17, breadth 
75 mill. 
Cyclostoma litturatum, Pfr. in Z. f. Mf. 1850, p. 78; Jc. n. 269, 
t. 37, f. 21, 22. 
Chondropoma litturatum, Pfr. Consp. n.416; Pnewm. Mon. p. 281. 
8. Shell a little larger, slightly truncate, with the last whorl more 
detached. 
Hab. Haiti (Sallé). 
8. CHONDROPOMA CUMANENSE. 
Shell perforate, turreted-oblong, truncate, thin, scuiptured with 
crowded longitudinal plaits, silk-shining, pellucid, horn-coloured- 
