76 CATALOGUE OF PHANEROPNEUMONA. 
Cyclostoma multilabris, Quoy & Gaim. Voy. Astrol. iv. p. 183; 
t. 12, f. 20-29. 
Cyclostoma multilabre, Pfr. Jc. t. 28, f. 20-22. (From Quoy.) 
Leptopoma Massene, Pfr. in Z. f. M. 1847, p. 108, n. 2; Consp. 
n. 154; Gray, Cat. Cycl. p. 24, 0.6; Pfr. Pneum. Mon. p. 107. 
8 Monstrous variety, with the peristome multiplied. 
Cyclostoma multilabris, Lam. Hist. vi. p. 148, n. 25; Hd. Desh. viii. 
Deless. Recueil, t. 29, f. 14; Chenu, ll. Conch. Livr. 73, t. 1, f. 14. 
Cyclostoma multilabre, Pfr. Ic. n. 195, p. 177, t. 29, f.4-6. (From 
Déless.) 
Leptopoma multilabre, Pfr. in Z. f. M. 1847, p. 109, n.19; Gray, 
Cat. Cycl. p. 27, n. 17. 
flab. New Guinea (Lesson); New Holland (Lamarck). 
10. LEPToPOMA SERICATUM. 
Shell perforate, globose-conical, thin, pellucid, silk-shining, sculp- 
tured with rather distant oblique lines and with 4-5 raised 
spiral lines above, glassy-whitish, with the ridges horn-coloured ; 
spire turbinate, with the apex pointed, blackish ; whorls 5, the 
upper ones somewhat convex, the last one ventricose, slightly 
keeled, marked below the keel, with a single chestnut-coloured 
band, sculptured beneath with several more obsolete spiral 
ridges; umbilicus excessively narrow, not pervious; aperture 
rather oblique, nearly circular, slightly emarginate; peristome 
simple, interrupted, thin, expanded into the plane of the 
aperture, with the columellar margin tongue-shaped in the 
middle. Height 9, greatest breadth 12, least br. 10 mill. 
Cyclostoma sericatum, Pfr. in Proc. Z. S. 1851; Jc. n. 300, t. 40, 
as: 
Leptopoma sericatum, Pfr. Oonsp. n. 155, p. 57; Pnewm. Mon. 
p. 108. 
8. Smaller, with 4} whorls, violaceous-fulvid, paler beneath ; 
height 73, greatest breadth 10, least br. 8 mill. Pfr. Ic. t. 40, 
f. 11, 12. 
Hab. Borneo (Taylor). 
11. Lepropoma PANAYENSE. _&B.M. 
Shell perforate, globose-conical, very thin, nearly smooth, silk- 
shining, girdled with distant hair-like spiral ridges, pale fulvous, 
varied with chestnut-colour ; spire short, conoidal, rather blunt; 
whorls 5, moderately convex, enlarging rapidly, the last keeled ; 
aperture rather oblique, nearly circular, pearly inside; peri- 
stome simple, sharp, blueish-white, with a brownish edge, with 
the margins distant; right and basal margins arcuate, broadly 
and angularly expanded; columellar margin short, nearly recti- 
