13 1 Miocene Fossixs, Olsson ii 



columella with 4 subequal plications, the most posterior ones 

 are nearly flat, straight, the others somewhat oblique; these pli- 

 cations are surrounded by a thin wash of callus. 

 Length 8, breadth 4, body-whorl 6 mm. 

 The species may be distinguished from M. denticulata by its 

 banded suture and by its peculiar lip. 



The species is named for Karl P. Schmidt, a member of the 

 1st and 2nd Ecphora trips. 



Duplin formation; Natural Well, N. C. 



Mitra mauryi, n. sp., Plate 2, Fig's 14, 15 



Shell small, solid, coronate, with a coarse reticulate sculp- 

 ture of straight ribs and spirals ; nucleus large, blunt, smooth ; 

 post-nuclear whorls about 4, coronated above by means of a flat 

 or somewhat concave band bordering the slightly appressed su- 

 ture ; the 1 st post-nuclear whorl not coronated and with the 

 ribs quite prominent ; the succeeding whorls of the spire have 

 below the sutural band 6 nearly equal, raised spirals, separated 

 from each other by wide interspaces, above with only 12 or 3 

 spirals ; the spirals do not noticeably nodulate the ribs and 

 show best on the intercostal interspaces ; the body-whorl with 

 16 spirals below the subsutural band ; transverse sculpture of 

 numerous straight ribs numbering on the body-whorl about 34 

 extending from suture to suture, well over the base and anter- 

 ior canal ; canal nearly straight with 3 strong folds on the col- 

 umella, the posterior one being the largest ; outer lip with 5 

 or more long, faint plicae situated a short distance within. 

 Length 4.5, breadth 2 mm. 



This species is very distinct from the other small Miocene 

 Mitras. May be told by the coronated character of the its whorls 

 and strong, persistant sculpture. The species is fairly abundant 

 on the James river, north of Smithfield, Va. A few specimens 

 from Tar Ferry, N. C, 



Named for Dr. Carlotta J. Maury. 



