CYCLOPHORID&. 49 
Cyclostoma Jerdoni, Benson, in Ann. & Mag. 2nd ser. viii. 1851, 
p. 185: Pfr. Ic. n. 413, t. 50, f. 1-3. 
Cyclophorus Jerdoni, Pfr. Consp. n. 95; Pneum. Mon. p. 71. 
Hab. India. The Neilgherries mountains (Jerdon). 
30. CycLOPHORUS ZEBRINUS. 
Shell depressed-turbinate, rather solid, keeled, sculptured with 
oblique, somewhat scaly strizw, and with several raised spiral 
ribs on the upper side, fulvous, irregularly painted with broad 
chestnut-coloured spots and waving whitish stripes; spire tur- 
binate, blunt ; whorls 5, moderately convex, the last one broad, 
convex beneath, rather compressed round the umbilicus, which 
is narrow and funnel-shaped ; aperture rather oblique, circular, 
blueish inside; peristome white, double; inner edge continuous, 
expanded; outer edge thickened, reflected, affixed. Operc. ? 
Height 21, greatest breadth 34, least br. 27 mill. 
Cyclostoma zebrinum, Benson, in Journ. As. Soc. v. 1836, p. 355 ; 
Sow. Thes. Suppl. p. 157*, n. 176, t. 31, A. f. 287, 288; Pfr. Ie. 
n. 240, t. 34, f 21-23. 
Cyclophorus zebrinus, Pfr. Consp. n. 96 ; Pneum. Mon. p. 71. 
Hab. India. Khasya Hills (Benson). 
31. CYcLOPHORUS TIGRINUS. B. M. 
Shell turbinate, solid, striate, chestnut-coloured, marked with 
yellowish oblique streaks and angulated flames; spire raised, 
with the apex rather pointed; whorls 6, convex, with several 
spiral ribs, of which three usually are stronger, last whorl smooth 
beneath ; umbilicus middle-sized, open; aperture oblique, nearly 
circular, yellowish-inside ; peristome thickened with concentric 
furrows, shortly reflected, with the margins united by an equal 
deposit, columellar margin dilated and expanded over the um- 
bilicus. Operculum thin. Height 21, greatest breadth 32, 
least br. 27 mill. 
Cyclostoma tigrinum, Sow. in Proc. Z. 8. 1843, p. 30; Thes.n. 100, 
p. 126, t. 29, f. 201-204; Reeve, Conch. Syst. ii. t. 183, f. 10; 
Pfr. Ic. n. 56, p. 61, t. 8, f. 13-16, t. 16, f. 17-20. 
Cyclophorus tigrinus, Pfr. in Z. f. M. 1847, p. 107, n. 13; Consp. 
n. 97; Gray, Cat. Cycl. p. 18, n. 13; Pfr. Pnewm. Mon. p. 72. 
Hab. The Philippine Islands (H. Cuming). 
Seven varieties of this beautiful shell are noticed by Mr. Sowerby. 
32. CYCLOPHORUS LURIDUS. 
Shell depressed-turbinate, rather thin, with crowded spiral strie, 
and about five blunt spiral ribs above, shining, brownish-ful- 
. F 
