186 University of California Publications in Geology [Vol- H 



This is one of the common species from the Sooke beds (Oligocene) 

 of Vancouver Island, where it is found associated with Agasoma 

 acuminatum Anderson and Martin, and Mytilus mathewsonii Gabb. 

 It is also found in the beds along the Pittsburg bluffs of Nehalem 

 River near the town of Pittsburg, Oregon, where it is associated with 

 Spisula rumonensis, Solen curt us, Solen gravidus, Thracia condoni, 

 Agasoma gravidum columbianum, Molopophorus gabbi, etc. 



Bullia buccinoides is rather common in the Agasoma gravidum 

 beds. In almost every locality, it is found associated with Ancilla 

 fishii (Gabb), with which species it was formerly confused; it differs 

 from the latter in having a more ventricose body whorl, it is usually 

 larger and lacks the callus growth which generally covers the spire 

 and sutures of A. fishii. 



Family Cancellariidae 

 Genus CANCELLARIA Lamarck 



CANCELLAEIA RAMONENSIS, n. sp. 

 Plate 23, figure 7 

 Type specimen 11237, Cull. Invert. Palae. Univ. Calif., loc. 1131 



Cancellaria condoni Anderson, in part, Proe. Calif. Acad. Sci., ser. 3, Geol., 

 vol. 2, no. 2, pi. 15, fig. 50, not fig. 49, which is the type of C. condoni. 



Cancellaria dalliana Anderson, Anderson and Martin, in part, Proc. Calif. 

 Acad. Sci., ser. 4, vol. 4, pi. 8, fig. la, not figs, lb, lc, and Id, which are 

 the typical forms of C. dalliana Anderson. 

 Shell medium in size, fairly heavy; spire high, acute, with six or seven whorls; 

 body whorl rather broad, about half the height of the shell ; sutures slightly 

 impressed. Whorls angulated below the suture, with a fairly broad, rather 

 strongly tabulated area between the angulation and the suture ; as a rule the 

 surface of this area slopes slightly up to the suture. Sides of whorls below 

 angulation nearly straight except the body whorl near the anterior end, where it 

 is gently convex. Surface sculptured by ten or eleven fairly prominent, rounded 

 longitudinal ribs, which are rather obscure on the tabulate area but extend well 

 to the anterior end of body whorl and usually are more prominent at the angu- 

 lation of the whorls, where, on some specimens, they are produced as short, blunt 

 spines. Surface also covered by fairly coarse, spiral ribbing. On whorls of spire 

 below angulation there are about five, on tabulate area four or five, and on body 

 whorl below angulation from eleven to thirteen of these spiral ribs. The inter- 

 spaces between the spiral ribs, just described, average about twice the width of 

 tops of ribs. In most of interspaces a well-defined spiral riblet may be discerned. 

 Aperture subovate to subquadrate; outer lip thin; inner lip heavily incrusted. 

 Columellar plications well defined. Canal short, slightly recurved. Umbilicus 

 subperforate. 



Dimensions. — Type specimen : height, about 26 mm. ; height of body whorl, 

 about 15 mm.; maximum width of body whorl, about 17 mm. 



Occurrence. — University of California localities 14, 52, 1131, 1309, etc. 

 Named in honor of F. M. Anderson. 



