PLATE XXXV. 



Saf/enodifs copetm us. 



Figs. 1, 4. — Undetermined bones. 



Figs. 2, 2a. — Opercular (?), from without and within. 



Fig. 3. — Parasphenoid, from above. 



Figs. 5-14. — Shield bones of head. 



Figs. 5, 6, 7. — The same element. 



Fig. 6. — Shows a portion of two other bones attached. 



All two-thirds natural size. 



