LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

explanation op plates 281'
PLATE 42.—CR&TACEOUS FOSSILS FHOM CALIFORNIA
(1-3) Fuauw'a difien' (Anderson). £1) Holotype. Greatest diameter, 115 mm.;
thickness of whorl, 46 mm, (2, 3) Plcsiotypea. Occurs above the Buenaventura
zone, upper part of Horsetown Croup; east branch of Hulen Creek, Shasta County,
p. 185.
(-1) Puioaia wcavcri nov. Holotype. Greatest diameter, 55 mm.; tbicknoss of
whorl, 20 mm. Three miles east of Bodeo, Contra Costa County, p. 189,
(6-7) Puxosia jimboi nov. (5) Holotype. Greatest diameter, 23 mm.; thickne&s
of whorl, 9 mm. (6) Paratype. Greatest diameter, 10 mm. (7) Pleaiotype.
From the uppermost beds of the Hometo wn Group, ft m'lle east of Horactown. p. 188.
(3) Pvzoiia onona nov. Holotypc. Greatest diameter, 30 mm.; thickness of
whorl, 10 mm. A mile east of Horsetown, Shasta County. p. 188.
(0-12) Puzonia diadtma nov. (9) Holotype. Greatest diameter, 20 mm.; thickness
of whorl, 6 mm. (10) Paratype. Diameter, 16 mm. (11, 12) Plesiotypeu.
Found in Buenaventura zone, upper part of Horaetown Group; Loc. 1346-A (C. A. S.},
west branch of Hulen Creek, Shasta County, p. 188.