HELICINIDA. 287 
yellowish, with oblique, arcuate rays of orange-coloured dots ; 
labrum thick, reflected. Operculum shelly, blood-red externally. 
Height 11, breadth 15 mill. (/¢écl.) 
Helicina Moquiniana, /écluz, in Journ. Conch. 1851, ii. p. 212, 
t. 5, f.8; Pfr. Pneum. Mon. p. 398. 
Hab. Salomon’s Islands. 
127. HeLICINA STRAMINEA. 
Shell conic, somewhat bell-shaped, thin, decussated (under a lens) 
with spiral lines and striz of growth ; whorls 7, rather flat, the 
upper ones disjoined by a deep suture, lemon-coloured, last 
whorl pale, sharply keeled, slightly convex beneath ; keel bordered 
with white and inferiorly with a yellow band; aperture oblique, 
rather triangular ; columella angulated and callous at its lower 
extremity ; peristome slightly thickened and reflexed. Height 8, 
breadth 8 mill. (d/or.) 
Helicina straminea, Morelet, Testac. Noviss. ii. p. 18, n. 125; Pfr. 
Pneum. Mon. p. 393. 
Hab, The Guajaibon Mountains, Cuba. 
128. HELICINA CARACOLLA. B. M. 
Shell depressed, lenticular, thin, closely spirally striated (several 
striz being more elevated), pellucid, lemon-yellow or purplish ; 
spire scarcely raised, with the apex rather pointed ; whorls 4}, 
moderately convex, last sharply keeled, not descending ante- 
riorly ; aperture very oblique, triangular; columella short, 
dilated above into a thin callus, its lower extremity passing 
immediately into the peristome, which is reflected, and furnished 
with a white internal lip. Height 8, greatest breadth 16, least 
br. 13 mill. 
Helicina caracolla, Moricand, Mém. Genéve, vii. p. 444, t. 2, f.24, 25 ; 
Pfr. Ic. n. 74, p. 56, t. 3, f. 13-16; Pneum. Mon. p. 394. 
Helicina caracolla, Désh. in Lam, Hist. viii. p. 158, n. 5; Sow. 
Thes. n. 51, p. 10, t. 2, f. 88, 89. 
Hab. Almada, Brazils. 
129. HELICINA AGGLUTINANS. B. M. 
Shell depressed-conic, rather thin, closely striated, yellow; spire 
broadly conic, pointed; whorls 5, rather flat, last keeled, scarcely 
descending anteriorly, flattened beneath; aperture very oblique, 
rather quadrangular; columella short, slightly holed, termi- 
nating outward angularly, dilated into a thin callus ; peristome 
thin, with the upper margin scarcely expanded, basal margin 
