CYCLOPHORID&. 57 
last not descending; aperture oblique, ovate-roundish, some- 
what pearly within; peristome simple, straight, sharp, with the 
margins approximate, right margin strongly curved. Operculum 
very thin, horny-yellowish. Height 8, greatest breadth 15, 
least br. 12 mill. 
Cyclostoma Wahlbergi, Benson, MSS.; Pfr. Ic. n. 418, t. 50, 
f. 17-19. 
Cyclophorus Wahlbergi, Pfr. Preum. Mon. p. 416. 
Hab. Natal. 
This species is very similar to Cyclotus translucidus and Cyclo- 
phorus lutescens. 
49. CycLtopHorus AMBOINENSIS. 
Sheli turbinate-depressed, solid, smooth, chestnut-coloured-fulvous, 
sprinkled with white spots forming an interrupted band at the 
periphery; spire convexly conoidal, rather blunt; whorls 43, 
convex, the last one rounded, paler beneath; umbilicus narrow, 
open; aperture rather oblique, nearly circular, pale inside; peri- 
stome simple, somewhat thickened, almost imperceptibly ex- 
panded, with the margins united above into a slight angle. 
Operc.? Height 10, greatest breadth 18, least br. 15 mill. 
Cyclostoma Amboinense, Pfr. in Proc. Z. S. 1852; Ic. n. 400, t. 48, 
f. 20-22. 
Cyclophorus Amboinensis, Pfr. Pneum. Mon. p. 82. 
B. Smaller, chestnut-coloured, with indistinct pale stripes and 
bands; height 83, greatest breadth 14, least br. 11$ mill. (Pfr. 
Ic. t. 48, f. 23, 24.) 
Hab. Amboina. 
50. CycLoPpHorus ? c@H@LOCONUS. 
Shell turbinate, thin, sculptured with crowded and rough radiating 
striee, olivaceous-yellowish, with a single reddish-brown band 
below the periphery, and waving radiating streaks ; spire conoidal, 
with the apex rather pointed; suture well impressed; whorls 42, 
very convex, last cylindrical; aperture oblique, ovate circular ; 
peristome thin, sharp; umbilicus deep, showing all the whorls. 
Operc.? Height 9, greatest breadth 13, least br. 11 mill. (Bens.) 
Cyclophorus celoconus, Benson, in Annals & Mag. 2nd ser. vill. 
1851, p. 189; Pfr. Ic. n. 416, t. 50, £. 9, 10. 
Cyclophorus ? cceeloconus, Pfr. Consp. n. 113; Pneum. Mon. p. 83. 
Hab. India, the Neilgherries Mountains (Jerdon). 
51. CyctopHorus APIA. 
Shell pyramidal, rough, wrinkled by crowded oblique plaits, and 
girdled with irregular raised spiral lines, opaque, greenish-ash- 
