DRAGONS OF OLD TIME 147 
moreover, there seem to be no signs of offensive weapons of any 
kind except the lash of the tail. 
Professor Marsh concludes that it was more or less amphibious 
(Brontosaurus excelsus), from the Upper Jurassic 
(After O. C. Marsh.) 
of Wyoming, U.S.A. 
Fia. 50.—Skeleton of a Sauropodous Dinosaur 
in its habits, and that it fed upon aquatic plants and other succu- 
lent vegetation. Its remains, he says, are generally found in 
