276 CATALOGUE OF PHANEROPNEUMONA. 
depressed, moderately convex beneath; aperture oblique, nearly 
triangular; columella short, curved forward and forming a 
knot; peristome whitish or orange-coloured, very narrowly ex- 
panded, thickened internally, with the margins nearly recti- 
linear ; basal callus widely diffused, thin. Operculum chest- 
nut-coloured-purplish. Height 74, greatest breadth 13, least 
br. 11 mill. 
Helicina Guadaloupensis, Sow. im Proce. Z. S. 1842, p. 8; Thes. 
n.ol, p. 7, t. 2, f. 65, 66; Pfr. Ic. n. 59, p. 46, t) 3, twee: 
Pneum. Mon. p. 380. 
Hab. Guadeloupe. 
95. HELICINA FULVA. 
Shell depressed-conoidal, rather solid, striated concentrically, 
slightly shining, yellowish-horn-coloured ; spire conoidal, rather 
pointed ; whorls 53, flattened, last more convex, not descending an- 
teriorly, rather flat beneath ; aperture somewhat oblique, entire, 
broadly semiovate ; columella short, arcuate, forming above a 
right angle with the thin basal callus, slightly angulated at its 
lower part; peristome thickened, white, scarcely a little ex- 
panded. Operculum shelly. Height 8, greatest breadth 11, 
least br. 92 mill. 
Helicina fulva, Orbigny, Synops. p. 28; Voy. Amér. p. 358, t. 46, 
f.1-5; Sow. Thes. n. 61, p. 12, t. 1, f. 23; Pfr. Ic. n. GO, p. 47, 
t. 2, f. 24,25; Pnewm. Mon. p. 381. 
Hab. Chiquitos, Bolivia. 
96. HenicinA BRASILIENSIS. 
Shell depressed, conoidal, rather thin, closely striated concentri- 
cally, yellowish or flesh-coloured ; spire short, conoidal, rather 
pointed ; whorls 41, scarcely convex, last obsoletely angulated ; 
aperture somewhat oblique, semiovate, a little higher than broad ; 
columella perpendicular, sending backwards an arcuate im- 
pressed line, which surrounds the basal callus which is ex- 
tremely thin; columella terminating in an indistinct knot; 
peristome white, thickened and expanded, often duplicate. © 
Operculum thin, chestnut-coloured-reddish. Height 44, great- 
est breadth 7}, least br. 6 mill. 
Helicina Brasiliensis, Gray, in Zool. Journ. i. p. 66, t. 6, f. 5; 
Désh. in Lam. Hist. viii. p. 160, n. 10; Sow. Thes. n. 62, p. 12, 
t. 1,.f, 29; Pfr. Ic. n..61,,p. 47, t..7, £10,115 Pree 
p. 381. 
8. Larger; height 6, greatest breadth 9, least br. 7 mill. (Pfr. Jc. 
t. 2, f, 22, 23). 
