Vol. IV] ANDERSON AND MARTIN— NEOCENE RECORD 93 



Drillia antiselli, new species 

 Plate 7, figures 2a and 2b. 



Shell small, solid, rather broadly fusiform; spire high with 

 an acute apex; whorls six or seven, angulated a little in front 

 of the middle, concave above, convex below, marked with four 

 spiral lines, one on the angle and three below ; suture distinct ; 

 body-whorl with ten or eleven spiral lines in front of the shoul- 

 der; aperture elliptical, with simple outer lip; canal short and 

 broad, slightly recurved; columella incrusted, smooth, with 

 anterior sulcus. 



Dimensions: — Altitude of the type specimen, 17.5 mm.; 

 diameter of the last whorl, 7.5 mm. ; length of the aperture, in- 

 cluding the canal, 9 mm. 



Type: — No. 226, and cotype No. 227, Cal. Acad. Sci., lower 

 Miocene of Kern River, California, locality 65, on the west 

 bank of a small canyon, 1% miles northeast of Barker's ranch 

 house. 



Named in honor of Dr. Thomas Antisell. 



Drillia ocoyana, new species 

 Plate 7, figures la and lb. 



Shell small, elongate, solid, with seven or eight whorls ; spire 

 elevated ; whorls slightly convex or nearly flat, sculptured with 

 numerous spiral grooves eight on the whorls of the spire and 

 about twenty-five on the body-whorl; the interspaces between 

 the spiral grooves on the body-whorl slightly raised and often 

 divided by a small intercalary groove; numerous faint axial 

 lines are visible on the upper whorls of some specimens ; suture 

 strongly appressed ; body- whorl sharply rounded on the anterior 

 margin, and angulated near the posterior margin on some 

 specimens, concave above, broadly convex below; aperture 

 elliptical, oblique, with an arcuate outer lip and a shallow pos- 

 terior sinus; canal very short; columella concave, incrusted, 

 with an umbilical chink. 



Dimensions : — Altitude of the type specimen, 22 mm., with 

 the first few whorls broken; diameter of the last whorl, 10 

 mm. ; length of the aperture, including the canal, 10 mm. 



