HELICINIDA. ont 
Sow. Thes. n. 3, p. 2, t. 1, f. 5, 6, t. 3, f.98; Pfr. fc. n. 51, p. 42, 
t. 1, f. 20, 21; Pnewm. Mon. p. 373. 
Hab. Brazils. 
80. Hezicina REEVEANA. 
Shell conic, rather solid, minutely reticulated (under a lens), with 
distinct strie of growth, and very crowded oblique impressed 
lines, slightly shining, whitish, clouded, and interruptedly banded 
with reddish-brown; spire raised, with the apex rather 
pointed; suture impressed; whorls 6, moderately convex, last 
angulated, scarcely more convex beneath; aperture nearly 
semiovate, chestnut-coloured within; columella very short, 
spreading horizontally into a small white callus; peristome 
white, spreading angularly, with the basal margin slightly 
arcuate, joined on the outside rather angularly with the colu- 
mella. Height 6, greatest breadth 84, least br. 74 miil. 
Helicina Reeveana, Pfr. in Proc. Z. S. 1848, p. 123; Jc. n. 49, 
p. 42, t. 8, f£. 5,6; Pnewm. Mon. p. 374. 
Hab. Cuba. 
81. HELICINA CAMPANULA. 
Shell conic, rather bell-shaped, solid, smooth, shining, lemon- 
yellow; spire elevated, convex, acuminate; whorls 6, rather 
flat, last descending anteriorly, somewhat constricted behind 
the aperture, flattened beneath; aperture oblique, semilunate, 
somewhat triangular; columella shortly receding, rather trun- 
cated at its lower extremity, dilated backwards into a shining 
semicircular callus; peristome simple, thin, shortly expanded, 
with the basal margin nearly rectilinear. Operculum fulvous. 
Height 7, greatest breadth 81, least br. 74 mill. 
Helicina campanula, Pfr. in Proc. Z. S. 1848, p. 120; Je. n. 50, 
p. 41, t. 9, £12, 13; Pnewm. Mon. p. 374. 
Hab. Cuba. 
82. HELICINA TROPICA. B. M. 
Shell globose, solid, smooth, white; spire vaulted, rather acu- 
minate; whorls 5, moderately convex, last inflated, not de- 
scending anteriorly; aperture nearly perpendicular, rather 
semicircular, much higher than broad; columella short, ter- 
minating in a knot, dilated backwards into a diffused white 
callus, passing immediately into the peristome, which is thick, 
reflexed, sometimes duplicate. Height 63, greatest breadth 8, 
least br. 7 mill. 
Helicina tropica, Jan, MSS.; Pfr. Ic. u. 44, p. 37, t. 4, £9, 10; 
Pneum. Mon. p. 374. 
