42 CATALOGUE OF PHANEROPNEUMONA. 
nut; spire turbinate, rather blunt ; whorls 5, convex, the upper 
ones uniformly dirty brownish, the following ones painted with 
flames, the last one large, obsoletely keeled, bearing on the keel 
a blackish band, and on both sides unequal chestnut-coloured 
bands, pale and rather compressed round the umbilicus, which 
is narrow and funnel-shaped; aperture rather oblique, nearly 
circular, milk-white inside ; peristome continuous, fiery orange- 
red, shortly affixed, shortly and convexly reflected. Operc. ? 
Height 26, greatest breadth 43, least br. 34 mill. 
Cyclostoma Bensoni, Pfr. in Proc. Z. S. 1851; Ic. n. 225, t. 32, 
f. 11-18. 
Cyclophorus Bensoni, Pfr. Consp. n. 79, p. 52; Pnewm. Mon. 
p. 63. 
Locality unknown. 
14. CycnopHorus BorRNEENSIS. 
Shell depressed-turbinate, rather thin, striate, sculptured with 
very fine and crowded spiral lines, fulvous above, with chestnut- 
coloured stripes and spots ; spire conoidal, with the apex rather 
pointed ; suture flat, bordered ; whorls 5, scarcely convex, the 
last one sharply keeled, marked with a broad chestnut-coloured 
band, which is spotted with white below the keel, rather com- 
pressed round the middle-sized umbilicus; aperture oblique, 
rather truncated-oval ; peristome shortly expanded, not thick- 
ened, with the margins somewhat distant, united by a thin 
deposit. Operculum reddish, concave externally. Height 20, 
greatest breadth 40, least br. 33 mill. 
Cyclostoma Borneense, Metcalfe, in Proc. Z. 8.1851; Pfr. Ic. n. 384, 
$47, £ 1-3. 
Cyclophorus Borneensis, Pfr. Consp. n. 80; Pneum. Mon. p. 63. 
Hab. Borneo. 
15. CycLOoPHORUS PERDIX. 
Shell depressed-turbinate, rather thin, obsoletely girdled with 
raised lines, deeply chestnut-coloured, conspersed with white 
points and marked, near the suture, with a band, which is 
articulated with brown, and whitish; spire short, pointed ; 
whorls 5, somewhat flattened, the last one large, keeled, convex 
beneath ; umbilicus middle-sized, open; aperture scarcely 
oblique, large, nearly circular, blueish-white ; peristome broadly 
expanded and reflected, with the margins almost united. 
Operculum horny-reddish. Height 19, greatest breadth 39, 
least br. 27 mill. 
Cyclostoma perdix, Brod. and Sow. in Zoolog. Journ. v. p. 50; Sow. 
Thes. n. 90, p. 122, t. 27, f. 127; Pfr. Ic. n. 55, p. 60, t. 8, 
£.7-9; Monsf. Jav. Moll. p. 54, t. 8, f. 1. 
