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LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

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explanation' of plates 293<br />

PLATE 48.—CHETACBOCS FOSSILS FROM <strong>CALIFORNIA</strong><br />

(1, la) AcanihapHtca imrrt/arw nov. Holotype. (1) Inner coil, almost wholly<br />

septate, (la) Detached portion of body-chamber. Greatest diameter of coiled<br />

portion, 110 mm.; thickness of whorl, 3D mm. Probably from horizon above the<br />

Perrin zone, Hulen Creek, Shasta County, p. 174.<br />

(2, 3) Br-itdaniiceTaz haydeni (Gabb), Plesiotype. Greatest diameter, 57 mm.;<br />

thickness of whorl, 14 mm. Near top of Horsctown Group; Lac. 1344 (C. A, S-). old<br />

Horsetown, Shsafcft County, p, 190.<br />

(4r-7) iSonfleralfo cross; nov. (4) Holotype. Greatest diameter, 50 mm.; thickness<br />

of whorl, 17 mm. Near top of Horaetown Group; Loc. 1344 (C. A. S»), old<br />

Horsetown, Shasta County, (5-7)„ Smaller examples of unac, from type locality.<br />

p. m.

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