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



center and by fine wavy spiral lines and fine lines of growth. 

 Locality 3. L. S. J. U. Pal. Coll. 



The specimen found is a young one. The adult form prob- 

 ably develops an incrustation which covers part of the body- 

 whorl. The species differs mainly from Gabb's species^* in 

 that the whorls of his species are angulated. 



Rostellites gabbi White (fide Whiteaves) 

 PL 9, Fig. 8 



Rostellites gabbi White, Whiteaves, Geol. Surv. of Canada, 

 vol. 1, pt. 5, p. 356. 



Shell large, fusiform, thick, tapering nearly equally from 

 the middle towards both extremities. Spire rather short and 

 conical ; the three or four nuclear whorls smooth ; body- whorl 

 marked by spirally arranged nodules on longitudinal folds ; 

 aperture long and moderately broad, terminating in a well de- 

 fined canal ; columella marked by about three oblique folds. 

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



Since Dr. DalP° has based specific differences on the 

 nucleus of the volutoid series, the nomenclature of this 

 species, formerly called Voliitoderma, has been changed to 

 conform with his classification. 



Solariaxis templetoni, new species 

 PI. 9, Fig. 22 



Shell small, globular, thin, pearly; spire short; umbilicus 

 scalar, the umbilical wall with a rib between the umbilical 

 carina (basal margin of the umbilicus) and the suture above; 

 umbilical carina annulate ; surface ornamented by spiral lines. 

 Aperture ovate. Locality 2. L. S. J. U. Pal. Coll. 



Named for Mr. Eugene Templeton of Palo Alto. 



Turris plicata, new species 



PI. 9, Fig. 3 



Shell thick, elongate, fusiform, spire high, whorls seven, 



suture indistinct. Whorls marked by rounded folds, as large 



as the interspaces, which run slightly diagonally backward, 



3* p. hamulus Gabb. Pal. Gal., vol. 1, p. 124, pi. 18. fig. 48, and pi. 20, fig. 81. 

 '* Tran. Wag. Free Inst., vol. SO, p. 69, etc. 



