38 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Skr. 



Genus ADMETE 

 Admete clatskaniensis, new species 



Plate 8, figures 3a and 3b. 



Shell small, ovate, thin, with six tabulated whorls, nucleus 

 excluded ; spire high, with an acute apex ; whorls angulated at 

 the middle, flat above, convex below, sculpture consisting of 

 twelve broad, rounded axial ribs which are most prominent on 

 the angle where they are slightly nodose, becoming obscure 

 near the suture and on the anterior portion of the body-whorl, 

 crossed by ten spiral threads on the penultimate whorl, four 

 above the angle and six below, the latter alternating in prom- 

 inence; suture distinct, channeled; body-whorl convex, with 

 fifteen spiral threads which alternate in size, the interspaces on 

 the anterior portion containing a small intercalary thread; 

 aperture oval; outer lip arcuate; canal short; polumella with 

 two small plications and a small anterior sulcus. 



Dimensions : — Altitude of the type specimen, 10 mm. ; maxi- 

 mum diameter of the last whorl, 5 mm. 



Type:— No. 209, and cotype No. 210, Cal. Acad. Sci., Oli- 

 gocene(?) (or Miocene) of Columbia County, Oregon, two 

 and one-half miles southwest of Clatskanie. 



Genus TURRIS Bolten 



Turris lincolnensis, new species 



Plate 6, figure 8. 



Shell large, fusiform, with seven or eight whorls ; spire high, 

 with an acute apex; whorls of the spire obtusely angulated a 

 little anterior to the middle, nearly flat above and below, slightly 

 concave near the suture; ornamentation consisting of prom- 

 inent nodes and fine spiral threads separated by wider inter- 

 spaces carrying fine intercalary lines, fifteen nodes and about 

 twenty-four major spiral threads on the penultimate whorl; 

 suture distinct, appressed; body- whorl ventricose, ornamented 

 with a row of nodes a little above the middle producing a slight 

 angular appearance, convex above and below, constricted at the 

 suture; spiral sculpture similar to that of the whorls of the 

 spire ; aperture oval, with a broad and shallow posterior sinus ; 

 canal moderately long. 



