CYCLOPHORIDZ. 55 
above in a tongue-shaped lamina. Operc. typical, rather flat. 
Height 16, greatest breadth 21, least br. 18 mill. 
Cyclostoma lingulatum, Sow. in Proc. Z. S. 1843, p. 64; Thes. 
p. 126, n. 101, t. 29, f. 208-210; Pfr. Ic. p. 148, n. 182, t. 23, 
f. 6-10. 
Cyclophorus lingulatus, Pfr. in Z. f. Mf. 1847, p. 107, n.15; Consp. 
n. 109; Gray, Cat. Cycl. p. 20, n. 20; Pfr. Pneum. Mon. p. 79. 
Hab. The Philippine Islands Siquijor, Bohol, Zebu (H. Cuming). 
44, CYCLOPHORUS FULGURATUS. 
Shell depressed-turbinate, solid, obliquely substriate, very closely 
decussated under the lens, white, very elegantly painted above 
with angulated chestnut-coloured streaks ; spire turbinate, with 
the apex rather blunt, horn-coloured ; whorls 5, convex, the 
last one rounded, with a white peripherical band, below which 
is another of blackish chestnut-colour; white round the um- 
bilicus, which is narrow and scarcely going through ; aperture 
slightly oblique, rather circular, grayish and shining inside; peri- 
stome simple, fulvous, interrupted with the margins united by a 
thin deposit; right and basal margin equally expanded; colu- 
mellar margin dilated and expanded over the umbilicus. Opere.? 
Height 19, greatest breadth 29, least br. 23 mill. 
Cyclostoma fulguratum, Pfr. in Proc. Z. 8.1851; Jc. n. 361, t. 45, 
£9.10, 
Cyclophorus fulguratus, Pfr. Consp. n. 110, p. 54; Pnewm. Mon. 
p. 80. 
Hab. Ava. 
§$ 5. Shell subturbinate; peristome expanded; axis imperforated or 
quite covered. 
45. CycLOPHORUS TURBO. B. M. 
Shell top-shaped, rather thin, nearly smooth, white or yellowish, 
marbled with chestnut-coloured spots and stripes; spire turbi- 
nate, with the apex rather pointed ; whorls 5, moderately con- 
vex, the last one angulated, sometimes distinctly keeled, rather 
flat beneath ; aperture oblique, roundish, rather quadrangular, 
whitish inside; peristome thickened, slightly reflected, white, 
with the margins distant, united by a very thin callus; colu- 
mellar margin expanded above into a lamina, which is quite 
appressed on and covers the umbilicus; basal margin terminating 
towards the columella into a prominent knot. Operculum 
dba ats Height 16, greatest breadth 25, least br. 21 
mill. 
Trochus turbo, Chemn. Conch. Cab. ix. 2, p. 53, t. 122, f. 1059. 
Helix turbo, Gmel. Syst. p. 3642, n. 232. 
