66 CALIFORNIA ACADEMY OF SCIENCES [Paoc. 4th Se«. 



teriorly, expanded in advance; columella faintly incrusted; 

 umbilicus imperforate; surface marked by irregular lines of 

 growth. Locality 2. L. S. J. U. Pal. Coll. 



Cancellaria crassa, new species 



PI. 9, Fig. 5 



Shell thick, robust, broadly fusiform; spire low, a little 

 more than half as high as the aperture; whorls six, angu- 

 lated ; sides flattened, upper surface sloping ; suture distinct, 

 impressed ; surface ornamented by longitudinal folds, 11 on 

 the last whorl, which slant towards the back and are crossed 

 by spiral lines; aperture moderate in size; outer lip simple; 

 inner lip incrusted and bears two distinct folds. Locality 2. 

 L. S. J. U. Pal. Coll. 



Cinulia obliqua Gabb 

 PI. 9, Fig. 2 



C. obliqua Gabb, Pal. Cal., vol. 1. p. Ill, pi. 19, figs. 64 

 and 64a, b, c. 



"Shell subglobose, obliquely truncated below; whorls four, 

 rounded ; suture distinct. Surface ornamented by numerous 

 fine revolving ribs, with deep interspaces, which are divided 

 into minute, square compartments by cross-bars, which do not 

 rise to the level of the ribs. Outer lip heavy, smooth and 

 sinuous. Columella coated by a heavy callus which unites 

 at both ends with the lip, and bears a large fold anteriorly." 

 The specimen figured is a large one of the species. Locality 2. 

 L. S. J. U. Pal. Coll. 



Gyrodes canadensis Whiteaves 

 PI. 9, Fig. 7 



Gyrodes excavatus Whiteaves, Geol. Surv. Canada, vol. 1, 

 pt. 2, pi. 16, figs. 2 and 2a. 



G. canadensis Whiteaves, Geol. Surv. Can., vol. 1, pt. 5. p. 

 365. 



Shell small, moderately thin, depressed, subglobose, about 

 as wide as high; spire short; whorls four, the outer two trun- 

 cated horizontally near the suture and concavely constricted 



