CYCLOPHORIDZ. 30 
late, a little disjoined anteriorly, inflated beneath; aperture 
little oblique, circular; peristome simple, blunt. Opere. typical, 
brownish-red. Height 54, greatest breadth 5}, least br. 5 mill. 
Cyclostoma lucidum, Lowe, Faun. Mader. p. 66, t. 6, f. 40; Sow. 
Thes. n. 19, p. 97, t. 23, £20.21; Pfr. Ic. p. 110, n. 111, t. 13, 
26, 27. 
Cyclostoma lucida, Desh. in Lam. Hist. viil. p. 369, n. 36. 
Valvata mucronata, Menke, Synops. ed. il. p. 139. 
Craspedopoma lucidum, Pfr. in Z. f. WM. 1847, p. 111; Consp. n. 
60; Gray, Cat. Cycl. p. 13; Pfr. Preum. Mon. p. 51. 
Bolania lucida, Gray, in Mus. Brit. olim, 1840. 
Hab. Madeira. 
2. CRASPEDOPOMA LYONNETIANUM. B. M. 
Shell compressed-pyramidal, rather solid, slightly striate, shining, 
blackish chestnut-coloured ; spire conic, with the apex rather 
blunt ; whorls 5, convex, the last one ascending anteriorly, 
somewhat disjoined, subcarinate at the periphery, attenuated 
anteriorly ; umbilicus compressed, linear ; aperture nearly per- 
pendicular, circular; peristome straight, simple, continuous, 
shortly affixed. Opere. typical. Height not quite 4, greatest 
breadth 33, least br. 3 mill. 
Cyclostoma Lyonnetianum (Hygrobium), Lowe, in Ann. & Mag. 
ix.; Pfr. Ic. n. 280, t. 38, f. 19-22. 
Craspedopoma Lyonnetianum, Gray, Cat. Cycl. p. 13, n. 2; Pfr. 
Consp. n. 61; Pneum. Mon. p. 52. 
Hab. Madeira. 
3. CRASPEDOPOMA COSTATUM. 
Shell rimate, subperforate, globose-conic, thin, very elegantly 
sculptured with lameiliform ribs, which disappear on the last 
whorl] near the aperture, fuscous-horn-coloured ; spire pointed ; 
whorls 5, convex, the last inflated beneath ; suture deep; aper- 
ture circular ; peristome double; outer edge thin, membranous ; 
inner edge slightly receding, thickened, white. Operculum 
membranaceous, pale. Height 4, breadth 4 mill. (Shwtt/.) 
Cyclostoma (Craspedopoma) costatum, Shuttleworth, Diagn. n. Moll. 
tie lpr is. 
Craspedopoma costatum, Pfr. Mon. Pnewm. p. 415. 
Hab. The island of Palma. 
