LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

413 loweb. chetaceous deposits in california and oregon
PLATE 81.—CTTETACEQUA FQSSILS FltOM CALIFORNIA
(1, la, 2) Acreteuthis wilcoxi nov. (1, la) Holotype, with reflected end view.
(2) Lopgi-gection of another example, showing the lower part of tho alvoolar pit,
and the exeentric position of the same, and of the axis. p. 227,
(3, 3a) Acrotcvthis onctimi nov. (3) Holotype. Length (incomplete), 125 mm.;
diameter, 20,3 mm. (3a) Section of the holotype, at point of break. Probably
from the B&rr zone, lower part of the Horsctown Group; Loo. 1657 (C. A. SO,
Mitchell Creek, Shasta County, p. 227.
(4) AiUacoteuthie imjntoonium nov. Plesiotype, found at bucal end of a specimen
of Lytocera* eulaeum with other fragments of the same species. Near bridge at Qno,
Shasta County, p. 229.
(5) Acrotcuthia shastcTisis nov. Holotype. Length (incomplete), 162 mm.;
greatest diameter, 31.7 mm. Upper part of P&akenta Group, in the Hamlin-Broad
zone; "Loc. 113 (C. A. S.), 4 miles southwest of Qno, Shasta County, p. 226.
(6) AcroUuihii imprea&a (Gabb). Plesiotype. Length, 123 mm.; greatest width,
22 mm. Mitchell zone, lover part of Horsctown Group; Loc. 1347 (C, A. S.), near
Mitchell Creek, Shasta County, p. 225.
(7, 8) ffeohibelitea fontinali* nov. (7) Holotype. Length, 93 mm.; thickness,
7 mm. (8) Lower half of plesiotype, showing spindle-like form. Uppermost beds
of Horeetowu Group; Loc. 1345 (C- A. S.), Texas Springs, Shasta County, p. 231.