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LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

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explanation op plates 281'<br />

PLATE SO.—CBETACEOTJS FOSSILS FROM CALIFO&XIA<br />

(1) Oxylropidweraa packardi nov. Holotype, size a littla reduced. Greatest<br />

diameter (est.), 176 mm.; thiekneaa of whorl, 45 mm. Near Neptune zone, upper<br />

part of Horsetown Group; Aldersan Creek, 2 miles Boutli of Ono, Shasta County,<br />

p. 198.<br />

(2 4) Ck«ttt«era# modetlum nov. (2) Holotype. Greatest diameter, 80 mm.;<br />

thickness of whorl, 21 ram. (3) Paratypc. Greatest diameter, 43 mm.; thickness<br />

of whorl, 13 mm. (4) Young example of the same, diameter, 30 mm. A little above<br />

the Perrin zone, upper part of the Horsetown Group; near Loc. 1668 (C. A. S.), east<br />

branch of Hulen Creek, Shasta County, p. 193,<br />

(6-7) Sotmeratia sfontont Anderson. Plcaioty pea. Upper beda of the Horeetown<br />

Group; Loc, 1344 (C. A. S.), old Horaetown, Shasta County, p. 19fi.

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