278 CATALOGUE OF PHANEROPNEUMONA. 
100. HELIcINA VERSICOLOR. 
Shell depressed, thin, smooth, varied with yellow and green, purplish 
towards the summit ; spire somewhat raised, indistinctly nip- 
ple-shaped ; whorls 42, rather flat, enlarging rapidly, last broad, 
somewhat depressed, scarcely descending anteriorly; aperture 
diagonal, semiovate-triangular; columella extremely short, di- 
lated backwards into a thick, semicircular, shining, white callus; 
peristome shortly expanded, with the basal margin slightly 
reflexed and continued immediately into the columella. Oper- 
culum rather membranous, chestnut-coloured. Height 54, 
greatest breadth 8, least br. 6} mill. 
Helicina versicolor, Pfr. in Z. f. Mf. 1850, p. 77; Pnewm. Mon. 
p. 383. 
Hab, Haiti (Sallé). 
101. Heuicina Dysont. B. M. 
Shell orbiculate-conoidal, rather solid, faintly striated, slightly 
shining, flesh-coloured, painted above with two narrow darker 
bands ; spire raised, apex rather blunt; whorls 5, moderately 
convex, increasing slowly, the last scarcely descending ante- 
riorly, rather flattened beneath; aperture oblique, semiovate, 
higher than broad; columella short, rather truncated at its 
lower extremity, dilated backwards into a white callus, which 
is surrounded with a faintly-impressed line ; peristome simple, 
very narrowly reflexed, with both margins slightly curved. 
Height 53, greatest breadth 8, least br. 7 mill. 
Helicina Dysoni, Pfr. in Proc. Z. S. 1848, p. 121; Je. n. 63, p. 49, 
t. 3, £. 36-39, t. 8, f. 24, 29; Pneum. Mon. p. 384. 
8. Smaller; dark flesh-coloured, with two narrow red bands above, 
and a single whitish band on the periphery; height 44, greatest 
breadth 7, least br. 6 mill. 
y- Fulvous reddish, with two narrow darker bands above. 
6. Smaller; yellow, with two narrow fulvous bands above, and a 
single whitish band on the periphery ; height 43, greatest breadth 
6, least br. 5} mill. 
Hab. Cumana, Honduras (Dyson). 
102. HELICINA SUBLEVIGATA. 
Shell conoidally-depressed, rather solid, nearly smooth, slightly 
shining, uniformly reddish, or whitish, with a violaceous band 
beneath ; spire shortly conoidal, with the apex rather blunt ; 
whorls 5, scarcely convex, last broader, indistinctly angular on 
the periphery ; aperture diagonal, rather semiovate ; columella 
short, simple, dilated backwards into a rather thick, circum- 
