U. S. NATIONAL MUSEUM 



:'ROCEEDINGS. VOL 79. ART. 9 PL. 5 



TROODON BONES 



1 Skull bone of TroCdon sp. I'.S.N.M. No. 8795; 2, frontal bone of Troodon fornio..„s Leidy. 



U.S.N.M. No. 11934. Ventral view. Both figures about natural size. 



