102 PALEONTOLOGY OF NEW JERSEY. 
Formation and locality: In the blackish green marls of the Lower Marl 
Beds at Crosswicks, New Jersey. In the collection at Rutgers College. 
TURBINOPSIS CURTA, Nn. Sp. 
Plate x11, Figs. 3-6. 
? Lunatia obtusivolva (Gabb) Conrad: Am. Jour. Conch., vol. 5, p. 45, Pl. 1, 
Fig. 11. 
Shell small, turbinate, with a short spire, showing in the cast only 
about three volutions in all, the last of which forms the great bulk of the 
shell; volutions largest at the top and contracted below to the sharp base 
bordering the umbilical cavity; this latter feature proportionally wide, indi- 
cating a large umbilicus in the shell; aperture elliptical, sharply angular 
below and sharply rounded above; oblique and more rounded on the outer 
than on the inner side; columellar lip not. showing evidence of a tooth on 
the cast, and probably destitute of such appendage; casts showing no indi- 
cation of vertical folds or revolving lines. - | 
This species differs from all the others in the low spire, and the short, 
broad form of the shell, by which features it may be readly distinguished 
from them. Conrad’s figure above referred to seems almost as if it might 
have been made from one of the specimens. figured on our plate, the spire 
being only a little lower, though there is doubt concerning it. 
Formation and locality: In the Lower Green Marls at Crosswicks, New 
Jersey. Collection Acad. Nat. Sci., Phila., and from the same position near 
Trenton Falls, New Jersey. Collection at Columbia College. 
TURBINOPSIS ELEVATA, h. Sp. 
Piate xu, Figs. 10-14. 
Shell of moderately small size as indicated by internal casts only; 
spire elevated, consisting of but few whorls, which in the casts are widely 
disconnected, indicating a thick shell or whorls disconnected in the shell 
itself, which is most probable; volutions convex, rounded above and on the 
periphery, but compressed and wedge-form below; aperture elongate-ovate, 
rounded above, but wedge-shaped below; umbilical opening, in the cast, 
quite large, smooth, not showing any indication of the spiral tooth-like 
