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LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

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266 <strong>LOWER</strong> CBETACEOtrS <strong>DEPOSITS</strong> IN <strong>CALIFORNIA</strong>. <strong>AND</strong> <strong>OREGON</strong><br />

PLATE 21.—<strong>CRETACEOUS</strong> Fossils<br />

(1, 2) Lytoceraf wMneyi (Gabb). Holotype, front nnd side views.<br />

Greatest diameter, 108 mm.; thickness of whorl, 30 mm. Probably found near<br />

Perrin aone, upper part of Horsetown group; definite locality not known. The<br />

holotype is in the collections of the Academy of Natural Sciences of Philade'phia.<br />

p. 152.<br />

(3) Hamilea imilaior nov. Holotype, ventrolateral view. Length, 67 mm.;<br />

ventro-doraal diameter, 44 mm. Perrin zone, upper part of Horsetown group;<br />

Loe. 1668 (C. A. S.), east branch of Hulen Creek, Shasta County. (3a) Cross section<br />

of holotype. p. 218.

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