96 BOOK OF SPECIES. 
having a sinus distinct from the canal or emar- 
gination of the base inferiorly. 
S.LENTIGINOSUS. Turbinate, thick, with the 
back of the body-whorl studded with several rows 
of knobs, surmounted by one of large longitudi- 
nally compressed tubercles, and marked with lon- 
gitudinal furrows, which also traverse the spire ; 
whorls coronated, and striated transversely; white, 
marbled with pale brown ; lip extending up most 
of the whorls, three-lobed above, with its margin 
thickened and spotted ; throat orange. 23. W. 
24. 10. 
S. auRis Dian. Ovate-oblong, transversely 
ribbed, with from one to three rows of tubercula- 
tion, pale fawn-colour, mottled with white; spire 
exserted and acute; beak recurved; throat dark 
orange; lip thickened and smooth within, ending 
above in an elongated lobe. 33. W. 25. 16. 
S. puaiuis. Turbinated, ventricose, pon- 
derous, yellowish red; body-whorl smooth, fur- 
rowed at the base, and coronated above with pale 
spinous tubercles, which become larger and sharper 
in the next whorl, but gradually disappear as the 
upper whorls are more strongly striate; mouth 
brilliant, and deeper coloured ; base tipped with 
purple ; lip rounded, with a short lobe above, and 
furrowed toward the base. 34. W. 25. 17. 
S. GIBBERULUS. Oblong-oval, smooth, slightly 
