OF CONCHOLOGY. 6Y 



where I found fragments and saw a whole specimen. Also 

 South Carolina, on the authority of Dr. Ravenel. 



The V. musica is the only species which can be certainly re- 

 ferred to Valuta, as restricted, in the West Indies. 



V. TYPUS, Conrad.— PI. 3, fig. 2. 



Description. — Fusiform, thick in substance; whorls 6, be- 

 sides the initial one, slightly concave above, with an angle 

 near the suture, obscurely plicated; labrum thick near the 

 summit, with an acute margin; columella with two distinct, 

 little prominent folds ; beak sinuous. 



Locality. — ^North Carolina. 



CANCELLARID^. 



CANCELLARIA, Lam. 



C. PERSPECTiVA, Conrad. — PI. 3, fig. 6. 



Description. — Sub-globose, with irregular, oblique, promi- 

 nent, narrow, distant ribs, and prominent, flattened, revolving 

 strise, with an intermediate fine line ; spire very short, conical ; 

 whorls profoundly channelled at the suture; aperture ovate; 

 labrum with short, prominent lines within, and the margin 

 undulated; umbilicus large, exhibiting the volutions to tlie 

 apex, alternately striated within, margin acute ; columella 

 with 3 plaits, the upper one largest, and the lowest one small. 



Locality. — James River, Virginia, near Smithfield. 



C. BiPLiciFERA, Conrad. — PI. 3, fig. 9. 



Description. — Sub-ovate, with rather thick, prominent ribs, 

 and revolving, broad strise, and an intermediate fine line; ribs 

 slightly convex ; summits of the whorls Avidely and deeply 

 channelled; shoulder coronated; umbilicus small; columella 

 concave, biplicate. 



C. hiplicifera, Conrad. — Journ. Acad. Nat. Sciences, Vol. 

 VIIL, p. 187. 



Locality. — Calvert Cliffs, Md. 



C. ALTERNATA, Conrad. — PI. 4, fig. 7. 



Description. — Whorls 6, rounded, with nine oi- ten promi- 

 nent ribs, and prominent revolving distant stria?, and an inter- 

 mediate fine line; spire conical; aperture less than half the 

 length of the shell, sub-ovate ; columella 3-plaited, plaits de- 

 creasing in size towards the base; umbilicus small; summits 

 of volutions flattened ; 5 of the larger revolving lines on the 

 penultimate whorl. 



G. alternata, Conrad. — Journ. Acad. Nat. Sciences, V^ol. 

 VII., p. 155. 



