36 GENUS BUCCINUM. 
Inhabits the Mediterranean, the coast of Alexandria. . 
The form of this species might lead one to confound it with 
the Fusr, and still more with the Purpura; but it is distin- 
guished from the former, by its much shorter canal, and less 
elongated spire; it is removed also from the Purpurz by its 
less dilated aperture, and the columella being less_ flattened 
towards the base. 
37. BUCCINUM TRANQUEBARICUM, Gmeu. The Tranque- 
bar Buccinum. 
(Collect. Mass. Lam.) Marr., Conch., 4, t. 123, fig. 1146- 
1147. 
Pl. XXIII, fig. 92. 
B. testa ovata, ventricosa, longitudinaliter costata, transversim striata, 
albescente aut rufescente; anfractibus superne angulatis; spira con- 
tabulata. 
Shell ovate, ventricose, of an uniform whitish or reddish 
color, furnished with ten or twelve longitudinal folds upon 
each whirl, and crossed by numerous transverse strie, covered 
with a thin, brown epidermis ; spire but little raised, subturret- 
ed, pointed at its upper extremity, formed of five or six taper- 
ing whirls, flattened, keeled, crowned at their upper part, and 
constricted at their suture. ‘The aperture is ovate, emargina- 
tion slightly oblique. Right lip rather thin, of an orange 
color, denticulated, and ‘strongly striated within. Columella. 
subumbilicated, smooth, brown or reddish colored; the left 
lip having a callosity at the base, and partially covering the 
commencement of an umbilicus.. 
Length 20 lines. Width 1 inch. 
Inhabits the Indian Ocean, the coast of Coromandel, the 
South Sea, the coasts of Chili. 
This shell, so remarkable for its form, has been divided by 
Sowerby into two species; he has retained for the first the name 
