OF CONCHOLOGY. 6? 



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 Voluta, 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^E. 

 CANCELLAR1A, Lam. 

 C. perspectiva, Conrad. — PL 3, fig. 6. 



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

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

 striae, 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 the 

 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 striae, and an intermediate fine line; ribs 

 slightly convex; summits of the whorls widely and deeply 

 channelled; shoulder coronated; umbilicus small; columella 

 concave, biplicate. 



G. biplicifera, Conrad. — Journ. Acad. Nat. Sciences, Vol. 

 VIII., p. 187. 



Locality. — Calvert Cliffs, Md. 



( !. alternata, Conrad. — PI. 4, fig. 7. 



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

 nent ribs, and prominent revolving distant striae, 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, Vol. 

 VII., p. 155. 



