110 CATALOGUE OF PHANEROPNEUMONA. 
incumbent ; outer edge shortly affixed to the penultimate whorl, 
narrowly reflected backwards, rather angular above. Operculum 
(fide Adams) furnished with a well-raised spiral lamina of more 
than 3 whorls. Length 14, breadth 73 mill. 
Cyclostoma granosum, Adams, Contr. to Conch. n. 6, p. 93; Pfr. 
Ic. n. 373, t. 46, f. 10-12. 
Choanopoma granosum, Pfr. Consp. n. 225; Pneum. Mon. p. 155. 
8. With the decussating striae more nodulous (Adams, Contr. 
p. 140). 
Cyclostoma nodulosum, Adams, Contr. p. 91. 
y. With the last whorl widely detached (Adams, Contr. p. 140). 
Hab. Jamaica. 
4, CHOANOPOMA PUDICUM. 
Shell oblong-conic, thin, violaceous, decussately striate; spire 
raised, conical, with the acuminated apex truncate ; whorls 5, 
convex; suture slightly channelled; aperture orbicular; lip 
dilated, sharp, reflected, divided laterally in two lobes, one 
auriculate, the other covering the umbilicus. Operculum typi- 
cal. Length 15, breadth 11 mill. 
Cyclostoma pudica, Orb. Moll. Cub. i. p. 259, t. 22, f. 6-8. 
Oyclostoma pudicum, Sow. Thes. n. 147, p. 143, t. 31, f. 2827 Pfr. 
Ic. n. 194, p. 177, t. 28, f. 19 (from Sow.) ? 
Choanopoma pudicum, Pfr. in Z. f. M. 1847, p. 107, n.5; Gray, 
Cat. Cycl. p. 50, n. 8; Pfr. Consp. n. 226; Pneum. Mon. p. 156. 
‘Hab. Cuba. 
Note. To be compared Chondropoma Ottonis, and Tenebrosum. 
5. CHOANOPOMA PISUM. 
Shell globose-conoidal, truncate, thin, decussated by crowded 
blunt spiral ridges and more close raised longitudinal lines, not 
shining, dark brown; suture rather simple; whorls remaining 
3-33, convex, the last broader, more strongly spirally furrowed 
beneath; umbilicus pervious; aperture perpendicular, circular; 
peristome red, double; inner edge expanded ; outer edge mode- 
rately reflected, slightly striate. Length 9, breadth 5} mill. 
Cyclostoma pisum, Adams, Contrib. to Conch. p.9; Pfr. Ic. n. 372, 
t. 46, f. 7-9. 
Oyclostoma virgineum, Adams, Contrib. n. 6, p. 90. 
Choanopoma pisum, Pfr. Consp. n. 227; Pnewm. Mon. p. 156. 
Hab. Jamaica. 
