48 CATALOGUE OF PHANEROPNEUMONA. 
a channelled angle, right margin expanded, columellar margin 
reflected. Operc. thin, rather concave externally. Height 24, 
greatest breadth 37, least br. 30 mill. 
Cyclostoma Ceylanicum, Sow. USS.; Pfr. Ic. p. 171, n. 186, t. 29, | 
f. 1-3. 
Cyclostoma Indicum, Sow. Thes. Suppl. n. 190, p. 163%, t. 31, B. 
f, 320, 321. 
Cyclophorus Ceylanicus, Pfr. Consp. n. 93; Pneum. Mon. p. 70. 
Hab. Ceylon. 
28. CycLOPHORUS STENOMPHALUS. 
Shell somewhat top-shaped, solid, sculptured above with numerous 
strong spiral ridges, between which are situated smaller ones; 
fulvous, with more or less distinct dark marble painting, and an 
articulated band along the suture; spire turbinate, with the 
apex pointed ; whorls 53, convex, the last one furnished with a 
stronger keel at the periphery, ventricose and spirally striate 
beneath; umbilicus very narrow, scarcely going through ; aper- 
ture large, nearly circular ; peristome double ; inner edge pale 
orange-coloured ; outer edge expanded, rather thickened, dilated 
and angulated above, with the columellar margin thickened, 
shortly reflected. Operc.? Height 24, greatest breadth 35, 
least br. 28 mill. 
Cyclostoma stenomphalum, P/r. in Z. f. M. 1846, p. 44; Je. n. 54, 
p. 59, t. 8, f. 5, 6. 
Cyclophorus stenomphalus, Pfr. in Z.f. M. 1847, p.107,n.8; Consp. 
n. 94; Gray, Cat. Cyc. p. 17, 0.9; Pfr. Pneum. Mon. p. 70. 
Variety: Cyclostoma Aurora, Benson, in Ann. & Mag. 2nd ser. viii. 
p. 186 (Pfr. Ic. t. 50, f. 11-13.) 
Hab. India, Khasya Hills. 
29. CycLoPHORUS JERDONI. 
Shell depressed-turbinate, decussated above by very crowded, 
raised and wrinkled lines and oblique striz, more slightly 
decussated beneath; colour whitish, painted with angular 
chestnut-coloured flames above, and till the middle of the lower 
surface, surrounded by a pale peripheral band, which is ar- 
ticulated with alternate stripes ; spire depressed, with the apex 
prominent ; whorls 5, convex, the last one depressed and flat- 
tened near the suture, which is distinct ; rather angulated at 
its periphery ; umbilicus middle-sized, deep, open, showing two 
whorls; aperture scarcely oblique, nearly circular, angulate 
above; peristome rather expanded, thickened, whitish, with 
the margins united by a thick deposit, columellar margin 
rather reflected. Operc.? Height 20, greatest breadth 35, 
least br. 28 mill. (B.) 
