﻿NEW CRETACEOUS AND EOCENE FOSSILS. 293 



upper extremity of the aperture, and a similar finer line between it and the angle 

 above ; columella rugose, with a prominent fold near its upper end ; labrum dentate 

 within. 



Length It inches. 



Simpulum autopsis. PI. 47, fig. 25. Subfusiform ; whirls rounded, seven in 

 number, cancellated ; revolving lines most conspicuous, alternated in size, the largest 

 beaded finely, and about fourteen in number on the body whirl, exclusive of beak; 

 aperture with beak about half the length of the shell ; apex obtuse, three first whirls 

 smooth and the second and third turned. 



■ 



Length 11 inches. 





Subgenus EPIDROMUS, Klein. 



S. (Epidromus) exilis. PI. 47, fig. 31. Elongated; whirls seven, rounded; ribs 

 longitudinal, numerous ; revolving lines fine and raised, eleven or twelve on the 

 penultimate whirl ; body whirl striated to the base ; spire much longer than aperture ; 

 columella plain and obtusely carinated at base ; labrum striated within ; peristome 

 sinuous. J-* 



Length h inch. 



Type of this subgenus Triton maculosum, Lam. 



GALEODIA, Link. 



Galeodia tricarinata. Elliptical ; whirls eight, those of the spire convex ; penul- 

 timate obscurely angulated; shoulder of body whirl flattened, oblique; revolving- 

 lines strongly marked, alternated in size ; whirls towards the apex cancellated ; whole 

 surface ornamented with fine longitudinal lines ; body whirl with three distant, 

 carinated lines, the upper one slightly tuberculated ; labrum profoundly striate or 

 costate within ; columella with a deposit and profoundly rugoso-striate throughout. 



Length 2£ inches. 



Locality. — Vicksburg, Mississippi. 



SCONSIA, Gray. 

 Sconsia lintea, Conrad, (Cas-sidaria lintea,) Journ. Acad., New Series, Vol. 1, 

 p. 118. 



CITHARA, Schum. 

 Cithara Nereidis. Elliptical or subfusiform ; spire short, conical ; body whirl 

 ventricose; ribs numerous, about sixteen in .number; revolving lines obsolete, distinct 

 towards the base ; columella folds prominent. 

 Length 1 inch. 



MUREX, Lin. 



Murex morulus. PI. 47, fig. 28. Fusiform; whirls angular, with distant spines 

 on the angle, two or three of which are produced ; ribs longitudinal, oblique, foliated, 





