158 CATALOGUE OF PHANEROPNEUMONA. 
Cyclostoma syriacum, Zieg/. MLSS. 
Cyclostoma orientale, Rossm. MSS. 
Hab. Hungary, Kasan, &c.; the variety from Syria. 
§ 8. Shell not keeled, ovate-turreted ; peristome straight. 
60. CYcLOSTOMUS SULCATUS. B. M. 
Shell rimate, ovate-conoidal, sculptured with concentric ridges, 
which often are stronger alternately, and crossed by very 
crowded, subtle, longitudinal strie, dark flesh-coloured; spire 
conic, rather pointed, with the apex smooth, shining, red: 
whorls 53, rounded, the last one very shortly detached above, 
more strongly grooved beneath; aperture rather perpendicular, 
ovate, with the base somewhat produced, fulvous flesh-coloured 
and shining within; peristome straight, slightly thickened inte- 
riorly, continuous, angularly doubled above, left margin slightly 
dilated, flat. Operculum testaceous, flat, folded at its peri- 
phery. Length 18, breadth 10 mill. 
Turbo Lincina, Chemn. Conch. ix. 2, p. 55, t. 123, f. 1060, b.c. 
Cyclostoma sulcatum, Drap. Hist. p. 33, t. 13, f.1; LRossm. Le. vi. 
p. 48, t. 28, f. 394; Terv. Catal. Alg. p. 33; Philippi, Moll. Stert. 
1, p. 144, 11. p. 119; Pfr. Ie. n. 63, p. 67, t. 9, f. 24-26. 
Cyclostoma elegans var. c, Drap. Tabl. p. 38; Hartm. in Neue 
Alpina, i. p. 215. 
Cyclostoma affinis, fsso, Hist. iv. p. 104. 
Cyclostoma sulcata, Désh. in Lam. Hist. vii. p. 370, n. 38. 
Cyclostoma polysuleatum, Pot. & Mich. Gal. i. p. 239, t. 24, 
f. 13, 14. 
Cyclostoma Siculum, Sow. Thes. n. 43, p. 104, t. 24, f. 51, 52. 
Oyclostomus sulcatus, Gray, Cat. Cycl. p. 46, n. 18; Pfr. Consp. 
n. 331; Pnewm. Mon. p. 225. 
8. Smooth, with the striz indistinct. 
Cyclostoma aurantium, Anton, Verz. p. 54, n. 1956. 
Cyclostoma coloratum, Ziegl. MSS. 
y. With a single reddish-brown band below the periphery. 
Uyclostoma phaleratum, Ziegl. ISS. 
6. Smaller. 
Cyclostoma reticulatum, Zegl. LSS. 
e. Smaller, more slender, dirty violaceous, whitish near the suture 
and on the lower side, or altogether whitish. B. M. 
Cyclostoma Melitense, Sow. Thes. n. 41, p. 105, t. 24, f. 53, 54; 
Pfr. Ic. n. 139, p. 433, t. 13, f. 24, 25. | 
Cyclostomus Melitensis, Gray, Cat. Cycl. p. 46, n. 14. 
