CYCLOPHORID. 207 
traversing the ridges, scarcely shining, whitish, marbled and in- 
distinctly banded with fuscous; spire slender; suture crenu- 
lated distantly and irregularly ; whorls remaining 5-5}, mode- 
rately convex, enlarging slowly, last not detached ; aperture 
rather perpendicular, ovate; peristome double; inner edge 
narrowly expanded; outer edge spreading horizontally, spotted 
with brown, subauriculated above, indented on the penultimate 
whorl, narrow on the left side. Operculum fulvous. Length 14, 
breadth 52 mill. 
Cyclostoma Petitianum, Pfr. in Z. f. Mf. 1850, p. 78; Jc. n. 270, 
t. 37, f. 23, 24. 
Chondropoma Petitianum, Pfr. Consp. n. 429; Pneum. Mon. p. 291. 
Hab. Haiti (Salle). 
25. CHONDROPOMA RUBICUNDUM. 
Shell subimperforate, oblong-turreted, not truncate, crowdedly 
folded longitudinally, rather shining, diaphanous, wine-red ; 
spire turreted, with the apex violaceous, rather pointed; suture 
simple; whorls 6, convex, the last one slightly and spirally 
grooved beneath; aperture perpendicular, ovate; peristome 
shining blood-red, double ; inner edge shortly produced ; outer 
edge narrowly spreading rectangularly, emarginated on the pe- 
nultimate whorl. Operculum typical, Length 14, breadth 6 mill. 
Cyclostoma rubicundum, Morelet, Testac. Noviss. i. p. 22, n. 56; 
Pfr. Ic. n. 273, t. 37, £. 29, 30. 
Chondropoma rubicundum, Pfr. Consp. n. 430; Pnewm. Mon. 
pi2oi. 
Hab. Guatemala, the provinces Peten and Vera Paz. 
26. CHONDROPOMA ? HARPA. 
Shell shortly rimate, oblong-turreted, rather thin, sculptured with 
rather distant, chord-like longitudinal plaits, cinnamon-flesh- 
coloured, not shining, painted with reddish-brown lines, which 
are interrupted by streaks ; spire turreted, not truncate, black- 
ish-violaceous towards the blunt apex; suture deep, slightly 
crenated by the upper ends of the plaits; whorls 6, convex, 
last rounded ; aperture perpendicular, roundish, rather ovate ; 
peristome reddish, double; inner edge slightly expanded, ap- 
pressed; outer edge scarcely dilated and spreading all round, 
shortly affixed to the penultimate whorl. Operculum? Length 
12, breadth 6 mill. 
Cyclostoma harpa, Pfr. in Proc. Z. S. 1851; Jc. n, 323, t. 41, 
f, 28, 29, 
Cyclostomus ? harpa, Pfr. Consp. nu. 431, p. 69; Pneum. Mon. 
p. 292. 
Hab. Almendares, near Havana, 
