HELICINID A. 261 
6. Uniformly yellow. (Sow. Thes. t. 3, f.115; Pfr. Zc. t. 1, f. 15.) 
e. Yellow, with a single bluish-brown band above the middle. 
(Sow. Thes, t. 3, f.103; Reeve, Conch. Syst. t. 186, £.3; Pfr. Lc. 
t. 1, f. 16.) 
Helicina ornata, Féruss. Mus. (Jay, Catal. 1850, p. 262.) 
¢. Uniformly white. (Pfr. lc. t. 1, f. 17.) 
Hab. Cuba. 
49. HELICINA ROSTRATA. 
Shell globose-conoidal, scarcely shining, decussated under a lens 
with obsolete wrinkles and spiral strie, whitish or yellowish, 
girdled with two rose-coloured or purplish-violaceous bangs of 
which the upper one is broader; apex shortly mucronate ; Wiorls 
5Z, slightly convex; columella callous, short, angulated at its 
base; aperture rather triangular, yellowish or shining fulvous 
within; peristome thickened, narrowly expanded, produced on 
the middle into a sharp beak. Height 11, breadth (excluding 
the beak) 15 mill. (Mor.) 
Helicina rostrata, Morelet, Test. Noviss. ii. p. 17, n. 123; Pfr. Mon. 
Pneum. p. 361. 
flab. San Agostino, province of Vera Paz. 
50. HenicINA STRIATA. 
Shell nearly semiglobose, rather thin, very crowdedly striated 
obliquely, flesh-coloured; spire short, conoidal, slightly acu- 
minated; whorls 53, rather flat, last scarcely descending; aper- 
ture semiovate, higher than broad; columella curved forward, 
terminating in a knot, which is dilated backwards into a 
circumscript yellow callus; peristome simple, shortly expanded, 
with the upper margin somewhat depressed. Height 83, 
greatest breadth 13, least br. 11 mill. 
Helicina striata, Zam. Hist. vi. p. 103, n. 2; Hd. Désh. viii. p. 158; 
Gray, in Zool. Journ. i. p. 71; Delessert, Recueil, t. 27, f.1; Pfr. 
Ic. n. 38, p. 33, t. 5, f. 24-27; Pnewm. Mon. p. 361. 
Hab. Portorico. 
51. Hericina Tuncx1. 
Shell conic-subglobose, rather thin, very minutely obliquely stri- 
ated under a lens, scarcely shining, yellow, clouded with rose- 
colour, or dirty fuscous-flesh-coloured; spire conoidal, rather 
blunt; whorls 53, nearly flat, last more convex on both sides, 
obsoletely angulated on the periphery; aperture oblique, semi- 
ovate; columella slightly curved, marked with a perpendicular 
impressed line, terminating in a slight knot, dilated back- 
