THE MIGHTY DINOSAURS 23 



than viewing the biggest circus procession that 

 ever paraded for the benefit of the public. 



Many of them could wade in deep bodies of 

 water and still keep their heads above the surface. 

 It is thought that as they traveled in this fashion 

 they stopped now and then to browse on the vege- 

 tation that grew beneath the water. A Dinosaur, 

 having satisfied his appetite in this way in water 

 twenty or thirty feet deep, could lift his head above 

 the surface to get a breath of fresh air without 

 taking his feet off the bottom. And when he left 

 the water and lay down on the bank in the shade 

 of the palms and tall ferns to take a nap, he occu- 

 pied a good deal of ground space even if he curled 

 up his tail and doubled up his neck. But if he 

 stretched himself out at full length, the tip of his 

 nose was some eighty feet away from the tip of his 

 tail. 



Just what sort of skin most of the Dinosaurs 

 had is not known. That of Diplodocus is believed 

 to have been thick and leathery. Two skeletons 

 of another species have been found with a cover- 

 ing which shows that the skin remained over the 



