DUCK BILLED DINOSAURS 



Fossil reptiles witii spreading webbed feet, conipri'ssecl tail and duclv-likc hill, idl of wliicli indicate 

 a more or less aquatic existence. Compare with restoration, p. lit 



Tlie jaws arc provided with a marvelous Krindinfi api)aratus comijoscfl of a complex of more than 

 two thousand separate teeth 



