U. S. NATIONAL MUSEUM PROCEEDINGS, VOL. 79, ART, 9 PL. 4 



Troodon Bones 



:, Dermal skull bone of Trocdon sp. U.S. N.M. No. 7806; 2, unidentified bone of Troodon sp. 



U.S.N.M. No. 7806. Both figures about natural size. 



