TOOTHED BIRDS 







Fig. 173. — Restored skeleton of the toothed Bird, Ichthyornis 

 — of the size of a pigeon — from the Chalk of Kansas, 



U.S.A. 



a large pigeon, had a short head apparently 

 without a beak, and its jaws were armed with 

 teeth. Whereas Hving birds have the fingers 



237 



