THE HISTORY OF LIFE 



153 



Photograph from Am. Mus. Natural History 



FIG. 27. Brontosaurus (or Apatosaurus), one of the dinosaurs, a gigantic Mesozoic 

 reptile, as restored by C. R. Knight under the direction of Professor Osborn at the 

 American Museum of Natural History, New York. 



the assistance of bees or butterflies. Owing to the 

 change in the flora, the landscape during the Cretaceous 



Photograph from Am. Mus. Natural Mistory 

 FiQ. 28. Skeleton of Brontosaurus, with human skeleton for comparison. 



must have been very different from that of the early 

 Mesozoic. In the Cretaceous, the plants and most of 

 the invertebrates, could we see them alive today, would 



