Annual report of the United States Geological Survey to the Secretary of the Interior . CTENIS GRANDIFOLIA. FROM THE JURASSIC OF , CALIFORNIA. LIBRARY OF THE UNIVERSITY af ILLINOIS. PLATE LTIII. 505 PLATE LVIIT. Page. Figs. 1-3. CtENIS AIRIClLATA Font 356 Fig. 4. Ctenis orovillexsis Font 1 357 506 U. S. GEOLOGICAL SURVEY Twentieth annual report part ii pl. lviii. CTENIS, FROM THE JURASSIC OF OROVILLE, CALIFORNIA. LlBrtAK* OF THE UNIVERSITY-ef ILLINOIS. PLATE LIX. PLATE LIX. Page. Ctknoitiyllum Wardii Font 357 508 LIBRARY OF THE UNIVERSITY of ILLINOIS.

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