6 .-- Outline Restorations of Dinosaurs.

Scale about nineteen feet to the inch.] These various kinds of Dinosaurs are customarily grouped as follows: I._Carnivorous Dinosaurs_ or _Theropoda_.

With sharp pointed teeth, sharp claws; bipedal, with bird-like hind feet, generally three-toed;[3] the fore-limbs adapted for grasping or tearing, but not for support of the body.

The head is large, neck of moderate length, body unarmored.

The principal Dinosaurs of this group in America are _Allosaurus_, _Ornitholestes_--Upper Jurassic period.
_Tyrannosaurus, Deinodon, Albertosaurus, Ornithomimus_--Upper Cretacic period.
[Illustration: Fig.