REPTILES IN GEOLOGY 



151 



ers on tall trees. Some were able to feed thirty and 

 forty feet up. 



One was in the liabit of wading on the bottom of 



Fig. 70. — Brontosaurus excelsis, x ^^ (restored by Marsh). 



deep pools and projecting its long neck above the 

 water and in all probability was quite helpless on 



Fig. 71.— Eestonitiun of Laosaurus by Marsh, 2V. 1, tooth of Lno- 

 sauriis alius (after Marsh), front view; 2, the same, side view. 

 Both twice natural size. 

 12 



