LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

PLATE 27.—CRETACEOUS FOSSILS FROM CALIFORNIA
(1, 2) •Sprtirwat duneanense nov. Holotype. A fragment of the outer, noascptate
part of the coil. Greatest diameter (est,), 147 mm,; height of ivhorl, 33 mm,;
width of whorl, 33 mm. Middle part of Paskenta Group; Lac. 1C65 (C. A. S.),
Duncan Creek, Shasta County. (2) Transverse section of holotype. p. 160.
(3, 3a) Neocomites Tusaelli nov. Holotype. Greatest diameter, 73 mm,; thickness
of whorl, 20 mm.; height of whorl, 37 mm. Middle part of Paskenta Group;
Loc. 1665 (C. A. S.), Duncan Creek, Shasta County. (3a) Section of outer whorl,
slightly reduced, p, 165.
(4) Section of NcocraspediUs xoilcoxi nov,, holotype; Wilcox ranch, Tehama
County, p. 158.
(5, 5a) Discoheltx planigyroides Hanna nov. Drawing of holotype, much enlarged.
Greatest diameter 8.6 mm,; height of body whorl, 1 mm, (5a) Section of
body whorl, greatly enlarged. Upper part of Paskenta Group; Cottonwood Creek,
3 miles southwest of Ono, Shasta County, p. 123.