CYCLOPHORID&. 17 
Cyclostoma perpallidum, Adams, Contrib. to Conch. n. 8, p. 148, 
n. 9, p. 157. 
Cyclotus perpallidus, Pfr. Consp.n. 24; Mon. p. 29. 
Hab. Jamaica. 
25. Cyctotus FortTUNEI. 
Shell turbinate-depressed, rather solid, faintly striated, fulvous, 
minutely marbled with chestnut-colour and with a single band 
of the same below the periphery; spire very short, turbinate, 
with a very small apex; suture simple; whorls 43, convex, last 
cylindrical, not descending; umbilicus conical, deep, forming 
about a quarter of the total breadth; aperture nearly per- 
pendicular, rather circular, slightly angulated above; peristome 
simple, straight, shortly affixed to the penultimate whorl. Oper- 
culum typical, with the raised margin of the whorls thread- 
like. Height 7, breadth 123 mill. 
Cyclostoma Fortunei, Pfr. in Proc. Zool. Soc. 1852; Jc. n. 404, 
t. 49, f. 3-5. 
Cyelotus Fortunei, Pfr. Pneum. Monogr. p. 30. 
Hab, China, Shanghai (Mr. Fortune). 
§ 2. Peristome simple, expanded. 
26. CycLtotTus? VOLVULOIDES. 
Shell turbinate-depressed, solid, with crowded spiral lines above 
and at the base, shining, variegated with flesh-colour, and 
brownish violaceous; spire turbinate, rather blunt; whorls 5, 
very much rounded, the last one broad, rounded, and nearly 
smooth at its periphery; umbilicus broad, deep; aperture 
scarcely oblique, nearly circular, fulvous inside; peristome sim- 
ple, shortly interrupted, white, with the upper margin sinuate, 
expanded ; right margin short; columellar margin much dilated, 
expanded. Operc.? Height 14, greatest breadth 25, least br. 
19 mill. 
Cyclostoma volvuloides, Sow. Thes. Suppl. n. 187, p. 162%, t. 31, 
B. f. 312, 313; Pfr. Jc. n. 231, t. 33, f. 8, 9. 
Cyclotus? volvuloides, Pfr. Consp. n. 25; Mon. p. 30. 
Locality unknown. 
27. CYcLOTUS SUBDISCOIDEUS. B. M. 
Shell depressed, rather solid, covered with crowded spiral lines on 
the whole surface, opaque, of a pale flesh-colour, marked above 
with pale brownish spots, which are arranged in stripes; spire 
very shortly turbinate, with the apex nipple-shaped ; whorls 
43-5, convex, the last one nearly cylindrical, descending ante- 
riorly ; umbilicus broad; aperture nearly diagonal, circular, 
c 2 
