28 MIGHTY ANIMALS 



high, and weighed as much as ten tons, his brain 

 seldom weighed more than two pounds ! So he was a 

 slow-witted creature although he did look so fierce. 



There was little hope for Triceratops or any other 

 animal of his time when attacked by Tyrannosaurus 

 — the Tyrant Lizard — for, among all the flesh- 

 eating Dinosaurs so far discovered, he was the largest 

 and most vicious. There is no flesh-eating animal 

 living to-day nearly as dangerous as was this fearful 

 beast. He was forty feet in length, with a huge 

 skull, jaws four feet long, and teeth that often pro- 

 jected six inches from the socket. Triceratops was 

 no match for such a creature as this. The very sight 

 of his fossilized skull when it is seen in a museum 

 inspires terror. What, then, must Tyrannosaurus 

 have been when alive ! 



For a million years or more the Dinosaurs lorded 

 it over all the other land animals living on the earth. 

 We shall never know just how many species there 

 were among them, but enough have been discovered 

 to tell us that they varied in size from creatures no 

 larger than a chicken to gigantic forms. Strange does 

 it seem that, although all of them disappeared 



