*) 
CYCLOPHORIDA. , 225 
Cyclostoma sarritum, Benson, in Ann. and Mag. N. H. viii. p. 188, 
Pfr. Consp. n. 469; Preum. Mon. p. 314. 
Hab. Cherra Ponjee, India. 
5. CychostoMA ACERBULUM. 
Shell umbilicated, ovate-conic, not truncated, distinctly and mi- 
nutely ribbed, with the ribs more distant and less raised on the 
last whorl, horn-coloured gray, with interrupted rusty bands; 
whorls 6-7, convex; aperture oblong; peristome rather double; 
inner edge whitish, shining, outer edge lamellar, slightly ex- 
panded, scarcely produced above. Length 10, breadth 4 mill. (J/.) 
Cyclostoma acerbulum, Morelet, Test. Noviss. ii. p. 19, n. 127; Pfr. 
Pneum. Mon. p. 420. 
Hab. Vera Paz, Guatemala. 
6. CycLostoMA? CRENATUM. 
Shell turreted, subcancellated, white; whorls 8, rounded, con- 
tiguous, crenated near the suture ; aperture circular, with the 
margin gibbous. (Linn.) 
Turbo crenatus, Linn. Syst. ed. x. p. 765, n. 550, ed. xii. p. 1238, 
n. 638; Mus. Lud. Ulr. p. 659, n. 353; Schroet. Hinl. i. p. 39, 
n. 29; Gmel. Syst. p. 3604, n. 65; Chemn. Conch. Cab. ix. p. 156, 
t. 195, A. f. 1880, 1881. 
Locality unknown. 
7. CycLostToMA? CORNEUM. 
Shell conic-oblong, rather pointed, pellucid, testaceous or horny ; 
whorls rounded, very faintly striated decussately, contigu- 
ous for ! of their breadth; aperture smooth within, with the 
margin reflexed.; umbilicus spiral, pervious. (Linn.) 
Turbo corneus, Linn. Syst. ed. x. p. 764, n. 554, ed. xii. p. 1288, 
n. 637; Mus. Lud. Uir. p. 660, nu, 355; Schroet. Hinl. u. p. 42, 
n. 33; Gmel, Syst. p. 3605, n. 59. 
Locality unknown. 
8. CycLosToMA? REFLEXUM. 
Shell umbilicated, convex-prominent; whorls rounded, faintly 
striated ; aperture reflexed. (Linn.) 
Turbo reflexus, Linn. Syst. ed. x. p. 765, n. 555, ed. xii. p. 1238, 
n. 638; Schroet. Hinl. ii, p. 42, n. 34; Ginel. Syst. p. 3605, n. 70. 
Hab. South Europe. 
