76 BOOK OF SPECIES. 
T. CINGULIFERA. Elongate, turreted, taper- 
ing, transversely striated, whitish, with the suture 
brown and deeply impressed. $...3. Front. 8. 
LES CANALIFERES. 
CERITHIUM. 
Turreted ; aperture short, oblong, oblique, termi- 
nated at the base by a short truncated or curved 
canal; never notched, a slight channel at the 
upper extremity of the right lip; operculum 
small, horny, orbicular. 
C. pALUSTRE. Turreted, thick; whorls with 
longitudinal plaits, and three transverse strie, 
olive-brown; the base of the body-whorl deeply 
furrowed ; lip sub-crenulated; canal very short. 
42. W. 25. 39. 
C.sutcatum. Turreted, solid, with strongly 
marked longitudinal plaits and transverse furrows, 
brownish red; lip large, semi-circular, and united 
to the pillar, so as to render the very short canal 
tubular. 23. W. 28. 161. 
C. TELEscopiuM. Conical, turreted, with 
the whorls continuous and transversely grooved, 
deep brown; pillar twisted and protuberant ; base 
nearly flat; canal extremely short. 3or4. W. 
30. 120. 
C. vuteatum. Turreted; whorls flattish, 
