98 BOOK OF SPECIES. 
white, polished; lip with a sinus above, thick- 
ened; margin obtuse, slightly orange, and, as 
well as the pillar, often coated with a vitreous 
mass. 12. W. 25. 27. 
S. virratus. Fusiform-turreted, reddish 
fulvous, with white bands; the body-whorl covered 
with a most delicate network of a like colour, 
with several rows of small irregular white spots, 
obtusely angulated above, and grooved below; 
spire longitudinally plaited, and striated trans- 
versely ; sutures marginated ; lip white, moderate 
sized, rounded, and wrinkled within. 3+. W. 
29. 28. 
S. succinetus. Smooth, slightly grooved at 
the base; body-whorl with four white bands, 
lineolated with brown angular markings, ‘on a 
fulvous minute network ground; whorls angular 
above, and sometimes armed with a few tubercles ; 
the upper ones are plaited and furrowed; the lip 
is narrow, incurved, extending over two whorls, 
and striated within. 12. W. 25. 30. 
S. urceus. Yellowish chestnut or reddish 
ash-colour, with nodulous plaits on the body- 
whorl and spire ; varies much in markings; outer 
lip double, bi-lobed, thickened above, but slightly 
expanded, and wrinkled within ; columella thick- 
ened, furrowed at both extremities ; mouth black. 
1k. W. 25. 32. 
