CRETACEOUS FOSSILS. 85 



P. FLEXUOSUS, n. s. 

 Plate 21, Fig. 109. 



Shell elongated, slender, fusiform; aperture slightly longer 

 than the spire. Whorls seven or eight, rounded; suture im- 

 pressed. Surface marked by numerous small longitudinal ribs, 

 crossed by small revolving lines. Mouth long, narrow, broadest 

 above; canal long, curved. 



Figure, slightly magnified. 

 Locality : Division A., near Martinez. 



This shell differs from F. Diaboli in the shorter and more robust spire, the less 

 strongly marked longitudinal ribs, and the long, crooked canal. 



F. KlNGII, n. S. 

 PI. 28, Fig. 204. 



Shell long, slender, fusiform; spire high; number of whorls 

 unknown. Mouth long and narrow; canal straight. Surface 

 unknown ; from the cast, it seems to be ornamented by at least 

 two, if not three revolving rows of tubercles, and by a series of 

 elevated revolving lines. 



Figure, natural size. 



Locality: A single cast from Division A., from Cottonwood Creek, Siskiyou 

 County, north of Yreka. Named after Mr. Clarence R. King, who, with Prof. 

 Brewer, collected all the fossils brought from this locality. 



F. Califobnicus. 



PI. 28, Fig. 205, and 205 a. 

 (? Clavatula Calif ornica, Con. P. R. R. Report, vol. 5, p. 322, pl. 2, fig. 11.) 



Shell fusiform, ventricose; spire barely as long as the mouth; 

 whorls seven, rounded, the xipper ones longitudinally ribbed; 

 these ribs becoming obsolete with age, and entirely absent on 

 the last whorl. Suture impressed. Mouth narrow in advance; 

 canal slightly curved. Surface, in addition to the longitudinal 



