174 CATALOGUE OF PHANEROPNEUMONA. 
8. Larger, pale, with the longitudinal folds stronger, more distant ; 
length 152, breadth 63 mill. (Pfr. Jc. t. 46, f. 38.) 
Cyclostoma Aurora, Adams, Contrib. to Conch. n. 1, p. 11. 
Hab. Jamaica. 
9. Tupora ? TAPPANIANA. 
Shell elongate-conoid, brownish orange, with a paler band below 
the periphery of the last whorl, with the columella brown; with 
crowded strong transverse striz, and less strongly impressed 
spiral striz; spire with the outlines moderately convex, trun- 
cated; remaining whorls 4, slightly convex, with a moderately- 
impressed suture; aperture ovate, acute above, with the margin 
not reflected but sharp; umbilicus indistinct. Mean divergence 
about 33°; length 0.41; greatest breadth 0.2; least br. 0.18 
inch. 
Cyclostoma Tappanianum, Adams, Contrib. to Conch. n. 9, p. 157. 
Tudora? Tappaniana, Pfr. Consp. n. 363; Prneum. Mon. p. 248. 
Hab. Jamaica, 
10. TupoRA ? QUATERNATA. B. M. 
Shell rimate perforate, ovate-oblong, truncate, sculptured with 
very subtle rib-like longitudinal striz, slightly crossed with 
transverse lines, whitish; suture bordered with white, toothed 
very crowdedly and minutely; whorls remaining 4, moderately 
convex, increasing slowly, the last one shortly detached ante- 
riorly, keeled above, more distinctly spirally grooved near the 
perforation; aperture obliquely elliptical, pale fulvous within ; 
peristome continuous, straight, slightly thickened, with the 
margins joined angularly; columellar margin rather dilated. 
Operculum? Length 19, breadth 10 mill. 
Cyclostoma quaternata, Zam. Hist. vi. p. 147, n. 16; Ld. Désh. viii, 
p. 358, n. 15; Delessert, Recueil. t. 29, f.3; Chenu, Ill. Conch. 
t..1, 1.3. 
Cyclostoma quaternatum, Sow. Thes. n. 165, p. 149, t. 28, f. 178, 
WIS; Lj, te, De 1G, Boeke ae LO, 12, 13. 
Cistula quaternata, Gray, Cat. Cycl. p. 59, n. 12. 
Tudora? quaternata, Pfr. Consp, n. 364; Pnewm. Mon. p. 242. 
Hab. Africa? (Sowerby), 
11. TupoRA PUPZFORMIS. 
Shell perforate, ovate-oblong, truncate, rather thin, reddish-brown 
flesh-coloured, minutely trellised by spiral raised lines and lon- 
gitudinal lines passing over them ; suture denticulated crowd- 
edly and sharply; whorls remaining 4, scarcely convex, the last 
