etc.), three Plesiosaurs, one Megalneusaur, and the remainder Dinosaurs. The Megalneusaur 

 represents the largest swimming Saurian known, it having a front paddle nearly eight feet 

 in length. The Dinosaurs range in size from a few feet in length to eighty or more. The 

 remains of these large animals are most interesting, since they are of such a gigantic size. 

 Imagine a femur six feet long or over, a vertebra with its process nearly four feet high, a 

 scapula six feet long, and ribs as large as a forty-pound steel rail and from six to nine feet in 

 length. Altogether there have been at least thirty species of Dinosaurs described from 

 these rocks, and without question this number will be doubled during the next ten years. 

 " Yale has the greatest collection of these animals known, the University of Wyoming the 

 second, and the American Museum of Natural History, of New York, the third. The scien- 

 tific men of the world have by some means been led to believe that the Jurassic rocks con- 



FE.VUR Of-' BRONTOSAURUSU) 

 Length, 6HV4 inches. University of Wyoming. 



