LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

246 LOWER CBETACEOtrS DEPOSITS IN CALIFORNIA. AND OREGON
PLATE 1.—CRETACEOUS FOSSILS PROM CALIFORNIA.
(1, 2) Oflrta indigents nov, Holotype and paratypc. (1) Holotype, right valve;
length, 115 mm.; width, 95 mm. (2) Pamtype, left valve; length, 130 mm. Paskenta
group, Cottonwood district, p. 108.
(3) Venus coiltnium nov. Holotype, right valve; length, 39 mm.; height, 39 mm.
Upper port of Paakenta group ;Loc. 113 (C. A. S.), Hamlin—Broad zone, Cottonwood
district, p. 122.
(4, 5) Terebratelia whiteana (Anderson). Reproduction of original drawings.
(4) Upper view of holotype. (5) Front view of holotype. Length, 13 mm.; width,
15 mm, Upper part of Hometown group; Loc, 1344 (C, A. S.), old Horsetown,
Shasta County, p. 94.
(6, 7) Terebratelia dentleonis (Anderson). Reproduction of original drawings.
(6) Upper view of holotype. (7) Front view of holotype. Length, 14 mm.; width,
17 mm. Upper part of Horsetown group; loc. 1344 (C. A. 8.), old Horsetown,
Shasta County, p. 94.
(8) .Afytiltt* arlingloni L. W. Henry. Holotype, left valve; length, 91 mm,;
height, 40 mm. Lower part of Paakenta group; north border of Berkeley, Berkeley
Hills, Contra Coata County, p, 113.