CYCLOPHORID®. 141 
Cyclostoma Barclayanum, Pfr. in Proc. Z S. 1851; Jc. n. 222, 
t. 32, £.3,4. 
Cyclostoma carinatum, var., Sow. Thes. t. 26, f. 118. 
Cyclostomus Barclayanus, Pfr. Consp. nu. 292, p. 62; Pneuwm. Mon. 
p. 200. 
Hab. Isle de France (Sir David Barclay). 
19. CychLosToMUS CALCAREUS. B. M. 
Shell globose-conical, solid, furnished with spiral ridges, which 
are more prominent alternately, opaque, white; spire conical, 
with the apex acuminate, slightly truncate; whorls 53, convex, 
enlarging rapidly, the last one ventricose, equally furrowed 
round the middle-sized pervious umbilicus; aperture somewhat 
oblique, rather circular; peristome continuous, expanded, 
slightly emarginated on the penultimate whorl. Height 25, 
greatest breadth 33, least br. 27 mill. 
Cyclostoma sulcata, Lam. Hist.’ vi. p. 144, n.4; Ed. Désh. viii. 
p- 354; Deless. Recueil, t. 29, f. 9 (not Draparnaud); Chenu, 
Lil. Conch, t. 1, f. 9. 
Cyclostoma calcareum, Sow. Thes. n. 80, p. 118, t. 26, f. 113; Pfr. 
Ic. n. 84, p. 88, t. 11, f. 11, 12. 
Tropidophora calcarea, Gray, Cat. Cycl. p. 40, n. 10. 
Cyclostomus calcareus, Pfr. Consp. n. 293; Pneum. Mon. p. 201. 
Locality unknown. 
20. CycLOSTOMUS RUGOSUS. 
Shell globose-turbinate, solid, very faintly and crowdedly fur- 
rowed spirally, slightly shining, rose-flesh-coloured; spire co- 
noidal, with the apex fulvous, rather blunt; whorls 5, convex, 
the last furnished above with about six raised keels, and with a 
single chestnut-coloured band below the periphery ; umbilicus 
funnel-shaped, deeply and closely grooved within; aperture 
rather perpendicular, ovate-roundish, fulvous inside; peristome 
whitish, slightly thickened and expanded, with the margins 
joined by a lunar-shaped indented callus, columellar margin 
angularly dilated, expanded. Height 24, greatest breadth 28, 
least br. 23 mill. 
Cyclostoma rugosa, Zam. Hist. vi. p. 145, n. 8; Hd. Désh. viii. 
p- 356 ; Delessert, Recueil, t. 29, f.7; Pfr. Ic. t. 21, f. 15, 16 
(from Deless.) ; Chenu, Ill. Conch. t. 1, f. 7. 
Cyclostoma cinctum, Sow. Thes. n. 107, p. 129, t. 29, f. 199; Pfr. 
Ic. n. 149, p. 141, t. 19, f.6, 7. 
Tropidophora rugosa, Gray, Cat. Cycl. p. 41, n. 14. 
Cyclostomus rugosus, Pfr. Consp. n. 294; Pnewm. Mon. p. 202. 
Hab. East India (Sowerby). 
