268 CATALOGUE OF PHANEROPNEUMONA. 
slightly expanded, basal margin forming an angle of 90° with 
the columella. Height 9, greatest breadth 12, least br. 10 mill. 
Helicina Lanieriana, Orb. Moll. Cub. i. p. 245, t. 19, f. 18, 14; Pfr. 
Pneum. Mon. p. 369. 
Hab. Cuba (D’Orbigny, Poey). 
72.. HELICINA ACUMINATA. 
Shell globose-conic, solid, nearly smooth, shining (minutely con- 
centrically striated under a lens), flesh-coloured-whitish ; spire 
conic, pointed; suture fringed irregularly and slightly; whorls 
nearly 8, scarcely convex, last rounded; columella short, some- 
what receding, slightly thickened, fuscous, dilated backwards 
into a shining yellow callus; aperture oblique, semiovate, 
rather triangular, yellow within; peristome thin, shortly ex- 
panded, basal margin forming an angle of 90° with the colu- 
mella. Operculum rather thin, pearly. Height 15, greatest 
breadth 155, least br. 13 mill. 
Helicina acuminata, Velasquez, MSS.; Poey, Mem. Hist. Nat. Cub. 
i. t. 5, f. 13-16, 11. p. 112-119; Pfr. Pneum. Mon. p. 370. 
Hab. Cuba. 
73. HELICINA TURBINATA. 
Shell turbinate, rather solid, nearly smooth, opaque, uniformly 
white, or with a single brown band, sometimes cinnamon- 
coloured; spire turbinate, apex rather pointed; whorls 6, 
almost flat, last sometimes indistinctly angulated; aperture 
semilunate, somewhat triangular; columella short, arcuate, 
marked above with an impressed groove, terminating in a 
slight knot, thickened, dilated backwards into a white diffused 
callus; peristome slightly thickened, shortly expanded. Height 
92-11, greatest breadth 11-14, least br. 93-12 mill. 
Helicina turbinata, Wiegm. Mus. Berol.; Menke, Synops. ed. ii. 
p. 39; Pfr.in Z. f. M. 1848, p. 87; Jc. n. 46, p. 39, t. 4, f. 13-15, 
t. 7, f. 6, t. 8, f. 1, 2, +. 9, f. 31; Pnewm. Mon. p. 370. 
Helicina zephyrina, var., Sow. Thes. t. 3, f. 118. 
Hab. Mexico. 
74. HELICINA ZEPHYRINA. 
Shell conic-globose, rather solid, faintly striated, sculptured, under 
a lens, with very subtle concentric lines, opaque, slightly 
shining, pale flesh-coloured or whitish, with red bands; spire 
conic, pointed; whorls 6, moderately convex, last rounded, 
scarcely descending anteriorly; aperture oblique, nearly semi- 
circular; columella shortly arcuate, impressed, dilated back- 
