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LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

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explanation op plates 281'<br />

PLATE 38,—CNETACEONE FOSSILS FROM <strong>CALIFORNIA</strong><br />

(!) Acanihoplitet perrim nov, Holotype, Greatest diameter, 230 mm.; thickness<br />

of whorl, 05 mm. Perrin zone, upper part of Horsetown Group; Loc. 1663<br />

(C. A. S.), east branch of Hulen Creek, Shasta County, p. 173.<br />

(2, 3} Ptitoaia rcesidei nov. (2) Holotype, a little enlarged. Greatest diameter,<br />

49 mm.; thickness of whorl, 14 mm. (3) Paratype. Diameter, 33 mm. Buenaventura<br />

zone, upper part of Hometown Group; Loc. 1346-A, west branch of Hulen<br />

Creek, Shasta County, p. 187,<br />

(4) Section of Cltonteerat lecontti (Anderson). Greatest diameter of holotype,<br />

S5 mm. p. 192.

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