CYCLOPHORIDA. 177 
16. TupDORA VIOLACEA. 
Shell perforate, ovate-turreted, truncate, rather solid, sculptured 
with raised spiral and more crowded longitudinal strize, forming 
oblong granulations, not coarse, not shining, dark violaceous ; 
spire turreted, truncate; whorls remaining 4}, convex, last 
rounded ; aperture rather perpendicular, angularly ovate ; peri- 
stome double; white, continuous; inner edge slightly expanded, 
affixed; outer edge somewhat thickened, narrowly and angularly 
expanded on the right side, with the columellar margin dilated 
into a sinuate lamina concealing, but not closing, the perfora- 
tion. Operculum like that of T. fascia. Length 20, breadth 11 
mill. 
Cyclostoma violaceum, Pfr. in Proc. Z. S. 1851; Ic. n. 308, t. 40, 
f. 25-27. 
Tudora violacea, Pfr. Consp. n. 369, p. 65; Pneum. Mon. p. 252. 
fab. Caba (Poey). 
17. TupoRA FASCIA. B. M. 
Shell perforate, oblong-turreted, truncate, rather solid, closely and 
regularly trellised by longitudinal and spiral raised lines, pale 
fuscous, with obsolete bands ; suture crenulate; whorls remain- 
ing 5, moderately convex, the last one inflated anteriorly, as- 
cending slightly, sculptured beneath with more distant and 
stronger spiral striz ; aperture perpendicular, somewhat ellip- 
tical, slightly angulated above, chestnut-coloured within ; peri- 
stome double; inner edge sharp, produced shortly; outer edge 
expanded, pale orange-coloured, with a hollow auricula above, 
left margin straight, reflected, forming an obtuse angle with 
the basal margin. Operculum striated obliquely. Length 23, 
breadth 11 mill. 
Turbo fascia, Gray, in Wood, Ind. Suppl. t. 6, f. 8. 
Cyclostoma fascia, Gray, im Wood Suppl. p. 36; Sow. Thes. 
Hepbo ep. 1495, 28, f 176, 177; Pr. ie n. 37, py 4a. bees 
£90, 
Cistula fascia, Gray, Cat. Cycl. p. 57, n. 1. 
Tudora fascia, Pfr. Consp. n. 370; Pneum. Mon. p. 253. 
8. Shell more solid, smaller, more distinctly trellised. 
Cyclostoma proximum, Adams, Contrib. to Conch. n. 1, p. 8. 
Hab. Jamaica. 
18. Tupora AugustTz. 
Shell subperforate, oblong-conic, truncate, solid, slightly decus- 
sated by blunt spiral lines and longitudinal striz, which are 
distinct above, and become gradually more subtle, fuscous- 
whitish, painted with series of reddish-brown dots and one or 
