10 CATALOGUE OF PHANEROPNEUMONA. 
Cyclotus translucidus, Gray, Cat. Cycl. p. 10, n. 22; Pfr. Consp. 
n. 7; Don. p. 20. 
Hab. Columbia. 
8. CycLoTUS ASPERULUS. B. M. 
Shell orbicular, rather depressed, thin, all over slightly granu- 
lated with crowded impressed points, whitish, with a yellowish 
epidermis ; spire little raised, with a rather blunt apex; whorls 
4, rapidly increasing, convex, the last one obsoletely angulate, 
anteriorly dilate, not compressed round the umbilicus, which is 
rather large ; aperture a little oblique, nearly circular, angulate 
above, shining inside ; peristome simple, continued, straight ; 
its left margin rather thickened in the middle, appressed above. 
Operculum with 6 whorls; the margins of which are 
scarcely raised. Height 10, greatest breadth 18, least br. 
14 mill. 
Cyclostoma rugulosum, Sow. in Proc. Z. S. 1848, p. 29, not Pfr. 
Cyclostoma asperulum, Sow. Thes. p. 91, n. 2, t. 23, f. 3; Bfr. Ic. 
p- 148, n. 158, t. 20, f. 16, 17. 
Aperostoma asperulum, Pfr. in Z. f. Mf. 1847, p. 104. 
Cyclotus asperulus, Gray, Cat. Cycl. p. 10, n. 24; Pfr. Consp. 0.8 ; 
Mon. p. 21. 
Hab. Jamaica. 
9. CYcLOTUS POPAYANUS. B. M. 
Shell turbinate-depressed, rather thin, with irregular wrinkled 
strie, whitish, with a greenish-fuscous epidermis, which is 
marked with more saturate stripes and one whitish band; ‘es 
depressed-conoidal, with the apex papillate; whorls 45—- 
convex, rapidly increasing, the last one cylindrical, a little 
descending anteriorly ; umbilicus rather large, deep ; aperture 
scarcely oblique, roundish-ovate, angulate above, inside pearl- 
coloured ; peristome continued, straight, shortly affixed above ; 
its columellar margin rather thickened. Operculum typical. 
Height 12-15, greatest breadth 23-29, least br. 19-24 mill. 
Cyclostoma Popayana, Lea, Observ. ii. p. 94, t. 23, f. 76. 
Cyclostoma Popayanum, Pfr. Jc. p. 55, n. 48, t. ”, f. 7-10. 
Cyclostoma inconspicuum, Sow. Thes. p. 109, n. 156, t. 24, f.'73, 74. 
Aperostoma Popayanum, Pfr. in Z. f. A. 1847, p- 104, 
Cyclotus inconspicuus, Gray, Cat. C2 ee p. 10, n. 23. 
Cyclotus Popayanus, Pfr. Consp. n. ; Mon. p. 21. 
Hab. New Granada, Popayan (Gibbon), Chimborazo (Linden), 
Columbia (Funck). 
