HELICINID A. 263 
54. HELICINA AURANTIA. B. M. 
Shell conic-globose, rather thin, smooth, shining, whitish or 
fulvous, girdled with a single yellow or fuscous band; spire 
short, conic, rather pointed; whorls scarcely 5, the upper ones 
flattened, last inflated, scarcely descending anteriorly ; aperture 
nearly triangular, yellow within; columella short, flattened, 
terminating in a slight knot and produced backward into a 
thick orange-coloured callus; peristome thickened, spreading 
rectangularly, scarcely distinct from the columellar knot. 
Height 74, greatest breadth 10, least br. 8 mill. 
297d 
Helicina aurantia, Gray, in Zool. Journ. i. p. 67, t. 6, f.8; Désh. 
in Lam. Hist. viii. p. 161, n. 12; Sow. Thes. nu. 1, p. 2, t. 1, 
f.1,2; Reeve, Conch. Syst. t. 186, f. 16; Pfr. lc. n. 41, p. 36, t. 1, 
f. 18,19; Pneum. Mon. p. 363. 
Helicina pyrrhostoma, J/enke, Synops. p. 79, ed. li. p. 132. 
Hab. Jamaica. 
55. HELICINA INTUSPLICATA. 
Shell depressed-globose, rather thin, smooth, shining, flesh- 
coloured; spire shortly conoidal, with the apex scarcely acu- 
minated ; whorls nearly 5, moderately convex, enlarging rapidly, 
last rounded, somewhat flattened beneath; columella receding, 
flat, dilated backwards into a thin callus; aperture slightly 
oblique, semiovate, rather triangular, higher than broad, angu- 
lated near the columella and furnished with a plait, which 
internally runs down nearly to the margin; peristome simple, 
shortly expanded, the basal margin forming an angle with the 
columella. Height 72, greatest breadth 10, least br. 8S mill. 
Helicina intusplicata, Pfr. in Proc. Z S. 1830, p. 98; Pneuwm. 
Mon. p. 364. 
Locality unknown. 
56. HELIcCINA TENUILABRIS. 
Shell subglobose, rather solid, nearly smooth, varied and indis- 
tinctly banded with white and cinnamon-colour ; spire shortly 
conoidal, rather pointed; whorls nearly 5, rather flat, last 
convex on both sides, scarcely descending anteriorly; aperture 
oblique, semiovate, sherry-coloured inside with pale bands; 
columella receding, narrow, dilated backwards into a thin 
callus, its base passing immediately into the thin, slightly-ex- 
oytleg peristome. Height 7, greatest breadth 10, least br. 
9 mill. 
Helicina tenuilabris, Pfr. in Proc. Z. S. 1848, p. 124; Jc. n. 42, 
p. 36, t. 8, f. 3,4; Prewm. Mon. p. 364. 
Locality unknown, 
