84 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



The presence of the posterior sinus in this species indicates 

 that it might be more properly placed in the Pleurotoinidcu, but 

 the short and broad canal and general shape of the shell sug- 

 gest the genus Thais to which it has been assigned temporarily. 



Genus FUSINUS Rafinesque 

 Fusinus empireensis, new species 



Plate 5, figure 7. 



Shell solid, fusiform, with eight or nine convex whorls ; spire 

 elevated; whorls moderately convex, sculptured with seven or 

 eight coarse rounded spiral cords alternating in prominence, 

 the cords on the anterior portion slightly more elevated than 

 those on the posterior, frequently giving the whorls an angu- 

 lated appearance ; body-whorl with eighteen spiral cords, axial 

 sculpture consisting of lines of growth; suture distinct, chan- 

 neled; aperture rounded or circular; inner lip smooth, lightly 

 incrusted; canal defective in the type, probably of moderate 

 length. 



Dimensions: — Altitude, 50 mm.; canal defective; latitude of 

 the last whorl, 23 mm. 



Type: — No. 185, Cal. Acad. Sci., from the Empire forma- 

 tion, Miocene of Coos Bay, Oregon, locality 1, in the sandstone 

 exposed on the east shore of Coos Bay, opposite Coos Bay Bar, 

 100 yards north of the S. W. cor.. Sec. 30, T. 25 S., R. 13 W. 



Genus CANCELLARIA 



Cancellaria iickana, new species 



Plate 8, figures 6a, 6b, 6c, and 6d. 



Shell globose, solid, with five or six rapidly enlarging 

 whorls ; spire low ; whorls of the spire small, inconspicuous, 

 convex, sculptured with four or five spiral threads with nearly 

 equal interspaces which carry a fine intercalary thread ; suture 

 appressed; body-whorl large, globose, sculptured with about 

 twenty spiral cords and an equal number of intercalary threads ; 

 axial sculpture consisting of lines of growth; aperture ellip- 

 tical ; outer lip crenulated ; inner lip with heavy callus cover- 

 ing a portion of the body-whorl ; canal very short, broad, 

 straight ; columella with two plications and an anterior sulcus. 



