214 CARINIFEX. 



Genus CARINIFEX, Binney. 



1. CARINIFEX NEWBERRYL Lea. 

 Plate 7, figs. 20—24. 



Shell light horn-color, turreted, very mi- 

 nutely striated, above and below acutely cari- 

 nated, broadly and deeply umbilicated, whorls 

 five, flat above, sloping convex below ; aper- 

 ture large, subtriangular. 



California. 



This curious shell varies in appearance con- 

 siderably. In old specimens the carination is 

 sometimes nearly obsolete, as in our figure 24. 

 The animal has not yet been described. 



(61) 



