HELICINIDA. 241 
Helicina rota, Vewcomb, MSS.; Jay, Catal. 1850, p. 262, n. 6091 ? 
Trochatella stellata, Pfr. Pnewm. Mon. p. 334. 
Hab. Cuba (Poey). 
14, TrocHATELLA JOSEPHIN A. B. M. 
Shell conoidally top-shaped, sharply keeled, rather solid, wrinkled 
and folded irregularly and wavingly, not shining, straw-coloured ; 
spire conoidal, with the apex extremely pointed and mucronate ; 
whorls 5, flat, furnished with denticulated keels, the keel of the 
last being rather double, varied with red and white; aperture 
very oblique, securiform; peristome white, with the margins 
convergent, upper margin sinuate, imperceptibly expanded, basal 
margin slightly thickened and reflexed. Height 6, greatest 
breadth 12, least br. 10 mill. 
Helicina Josephina, Adams, Contrib. to' Conch. n. 1, p. 14. 
Trochatella Josephine, Adams, Catal. 1849 and 1851; Pfr. Pneum. 
dion. p. 335. 
Hab. Jamaica. 
15. TrRocHATELLA PULCHELLA. B. M. 
Shell subglobose-conic, thin, yellow, varied with white and inter- 
ruptedly banded with reddish-brown, scarcely shining; spire 
conic, acuminated; whorls 5-6, rather flat, with a waving keel 
on the periphery and concentric elevated ridges above, last 
whorl not descending, closely spirally striated below the keel; 
columella short, perpendicular, dilated, flattened ; aperture large, 
entire, somewhat triangularly ovate; peristome thin, broadly 
expanded on all sides, the upper and basal margins nearly 
straight. Operculum rather triangular, thin, horn-coloured- 
whitish. Height 9, greatest breadth 113, least br. 9 mill. 
Helicina pulchella, Gray, in Zool. Journ. i. p. 64, t. 6, f.1; Guérin, 
Icon. Moll. t. 13, £.9; Désh. in Lam. Hist. vii. p. 160, n. 8; 
Sow. Thes. n. 18, p. 5, t. 1, £15; Reeve, Conch. Syst. ii. t. 186, 
£13. 
Trochatella pulchella, Swains. Malacol. p. 337; Pfr. in Z. f. M. 
1848, p. 86; Jc. n. 4, p. 6, t.5, £.3; Prnewm. Mon. p. 335. 
8. Smaller; height 63, greatest breadth 83, least br. 63 mill. (Pfr. 
Ie. t. 5, f. 4.) 
Helix scitula, Wood, Suppl. t. 8, f. 64. 
Helicina scitula, Gray, in Wood, Suppl. p. 39. 
Helicina pulchella, Pot. & Mich. Gal. Douar, i. p. 229, t. 23, f. 5, 6. 
Helicina Sloanii, Feruss. Mus.; fide Pot. 5 Mich. 
Hab. Jamaica. 
