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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 S6,—<strong>CRETACEOUS</strong> FOSSILS FROM <strong>CALIFORNIA</strong><br />

{1} Sftoiti'criocirog hespcrum nov. Holotype. Greatest diameter (of coiled<br />

portion), 127 mm.; height of body-chamber, 60 mm.; gTeate&t thickness of same,<br />

40 mm. Mitchell zone, lower part of Horsetown Group; near Loc. 1061 (C. A. S,),<br />

south of Roaring River, Shasta County. (2) Fragment of small example. Near<br />

Ono, Shasta County. Lower part of Roreetown Group, p. 204.<br />

(3, 4) SAosttmocero* injtatum nov. Holotype, Length of fragment (measured<br />

on periphery), 135 mm.; thickness of whorl, 33 mm. (4) Small fragment of same,<br />

showing the siphonal zone. p. 205.

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