...half-bird that could not fly properly. Moreover, the structure of the bird...a category that can be called "toothed birds". Archæopteryx and Other Ancient...the University of Connecticut, A.H. Brush, accepts this reality although he is... and scales)."1 Moreover, Prof. Brush examines the protein structure of bird...' character distinguishing birds" as Prof. Brush states.3 Besides, in reptiles,...