92 PALEONTOLOGY OF NEW JERSEY. 



middle of its length, the upper one of which is much the smaller; volu- 

 tions marked by distant vertical folds only faintly seen on the cast, and 

 only on the upper portions when visible; on the inner surface of the cast, 

 between the volutions, the vertical plications are strongly marked, as in all 

 the species of the genus yet observed; but I have not seen any remains of 

 spiral lines as on most of them, still, I presume they have existed. 



The species is very closely related to two other species of the genus 

 found in the New Jersey Cretaceous, V. Gahhi Whitf and V. Ahbottl Gabb, 

 the former from the Lower Green ]\Iarls, and the latter from the Middle 

 beds. From V. Gahhi it differs in the form of the volutions, having the largest 

 diameter proportionally higher and less rapidly contracted below, and in 

 wanting the angularity of the shoulder near the upper surface. It may 

 possibly be only a variety of this form, but I have held the specimen in 

 hand for months, hoping to obtain some connecting forms, but none have 

 been observed, and I can not feel satisfied to include it among the forms 

 of that species as now known. 



Formation and locality: In ferruginous layers of the Lower Green 

 Marls, at Mullica Hill, New Jersey, where it is associated with V. Gahhi 

 Whitf Collection of the Am. Mus. Nat. Hist. 



MITRID^. 



Genus TURRICULA. 



TuRRicuLA Reileyi, n. sp. 



Plate XI, Fig. 8. 



Shell slender, extremely elongated, turreted; spire very much ele- 

 vated and slender; whorls numerous, slightly convex on the surface and 

 very distinctly banded on their lower margin; body volution proportion- 

 ally more convex than the others, being swollen near the middle of its 

 length; attenuate and rostrate below, and nearly or quite one-half the 

 length of the shell as seen from the outside of the aperture; sutures very 

 distinct, bordered by a broad band which is very distinctly separated from 

 the other part of the volution by an impressed line nearly or quite as 

 deep and distinctly marked as the suture line itself; surface of the shell 



