LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

EXPLANATION Op PLATES 281'
PLATE 30.—CH&TACBOCB FOSSILS PROM OBCOON
(1-4) Neocamita rii&lensit nov. (1, 2) Holotype, side and top views. Fragmentary
specimen. Greatest diameter (est.), 78 mm.; thickness of whorl, 21 mm.
(3) Paratype. Diameter, 61 mm, (1) Small example of same. Diameter, 3D mm.
Middle part of Paakenta Group; Loo. 1368 (0. S. C,), a mile southeast of Riddle
Oregon, p. 167.
(5) Dichotomies ortgonentia nov. Holotype. Greatest diameter, 23 mm.;
thickness of whorl, 7 mm. Middle part of Paskenta Group; Loc. 2&B (O. S. C.),
a mile southeast of Riddle, Oregon, p. 156.
(6) fJteJwIomiiee teAamaensts nov. Section of whorls of holotype. p. 158.
(7) Phylloccras myrtiense nov. Diameter, 35 mm.; thickness of whorl, 10 mm.
Middle part of Paskenta Group; Loc. 263 (O. S. C.), a mile southeast of Kiddie,
Oregon, p. 144.
(6) Phylloceras oregonense nov. Holotype, Greatest diameter, 40 mm.; thickness
of whorl, 16 mm. Middle part of Paskenta Group; Loc. 268 (O, S. C-), a mile
southeast of Riddle, Oregon, p. 144.
(9,10) Phyllccerat umpqitanum nov. (0) Holotype. Greatest diameter, 33 mm.;
thickness of whorl, 20 mm. Middle part of Paakenta Group; Loo. (O. S. C.),
a mils southeast of Riddle, Oregon. (10) Small example of same species; Loc. 268
(O, 3. C.), Riddle, Oregon, p. 143,