216 SYSTEMATIC PALEONTOLOGY 



cingulum extends from the upper end of the mouth around the body 

 Avhorl to the last varix, being slightly displaced by each of the varices. 

 It is this character which distinguishes the species from S. expansa. 



Length, 17 mm. ; diameter, 12 mm. 



Occurrence. — St. Mary's Formation. St. Mary's Kiver. Choptank 

 Formation. Jones Wharf. Calvert Formation. Plum Point. 



Collections. — Maryland Geological Survey, Johns Hopkins University, 

 U. S. National Museum, Philadelphia Academy of Natural Sciences, 

 Wagner Free Institute of Science, Cornell University. 



Superfamily GYMNOGLOSSA. 

 Family EULIMIDyt. 



Genus EULIMA Risso. 



EuLiMA eborea Conrad. 



Plate LIII, Figs. 9, 10. 



Eulima eborea Conrad, 1848, Proc. Acad. Nat. Sci. Phila., vol. iii, p. 20, pL i, tig. 21. 

 ? Eulima conoidea Kurtz and Stimpson, 1851, Proc. Boston Soc. Nat. Hist., voL iv, 



p. 115. 

 Eulima Icevigata Emmons, 1858, Kept. N. Car Geol. Survey, p. 269, tig. 157. (Not 



Eulima Icevigaia H. C. Lea.) 

 Eulima eborea Conrad, 1863, Proc. Acad. Nat. Sci. Phila., vol. xiv, p. 566. (In part.) 

 Eulima eborea Meek, 1864, Miocene Check List, Smith. Misc. Coll. (183), p. 17. 

 Eulima eborea Meyer, 1888, Proc. Acad. Nat. Sci. Phila., vol. si, p. 170. 

 '? Eulima conoidea Dall, 1890, Trans. Wagner Free Inst. Sci., vol. iii, pt. i, p. 159, 



pi. V, fig. 11. 



Description. — " Subulate, whorls 9 ; suture slightly defined ; aperture 

 somewhat oblique, ovate-acute." Conrad, 1848. 



Shell slender, varying in outline between the extremes figured, thirteen 

 whorled; right side of the body whorl straight from the suture to the 

 middle of the labrum, then rapidly curving; left side of the body whorl 

 straight not quite to a point oj)posite the upper end of the mouth, then 

 curving gently and uniformly to the extremity of the shell. 



Length, 11 mm.; diameter, 3 mm. 



Occurrence. — St. Mary''s Formation. St. Mary's Eiver. Calvert 

 Formation. Plum Point, Church Hill, 3 miles west of Centerville. 



Collections. — Maryland Geological Survey, Johns Hopkins University, 



