74 
GUIDEBOOK OF THE WESTERN UNITED STATES. 
During Lance time the crossing of the continent must have been 
attended by dangers beside which those of the African wilds seem 
trivial indeed. The traveler may be glad that he is safely ensconced 
in a railway car instead of facing the terrible ferocity of some wan- 
dering dinosaur as big as a house. 
But the days of these monsters 
have passed away, and their former presence is recorded only in the 
skeletons which here and there are found embedded in the rocks. 
Just across the river from Forsyth a skeleton of Triceratops was found 
animals, fossil remains of which are now 
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the end of the nose to the tip of the tail, 
was 30 feet, and as he walked erect on his 
huge three-toed hind feet, the tip of the 
head, which was nearly a yard long, was 
from 12 to 15 feet above the ground. The 
nose expanded into a broad duck-billed 
beak, which was covered with a horny 
lived in the water is shown by the webbed 
fingers of the fore foot and the long, deep, 
flattened tail, which was a most efficient 
organ and equall 
and covered with tubercles of two sizes, 
the larger ones predomi ting on sur 
exposed to the sun. One of the 
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most 
the set of teeth with which he was pro- 
vided. Inthat respect he was much bet- 
ter off than the human being, for as soon 
as a tooth was worn out or lost, it was re- 
placed by another pushed up from below. 
Each jaw had from 40 to 60 rows on each 
must have been more than 
2 000 +. +} th of individual. 
There were also flesh-eating and conse- 
quently armored reptiles in Lance time. 
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The most highly specialized of the ar- 
mored reptiles was Anky 
was covered by a gre 
The head was short and blunt, and the eye 
Ankylosaurus 
doubtless had need of his armor, for there 
were many other flesh-eating dinosaurs 
that swarmed in the forests or swam in 
the sluggish waters. 
of these was 
upon his powerful hind legs, the knee 
joint of 
i 43 
that the spectator stands before the huge 
head with jaws 4 feet long, filled with bris- 
tling rows of sharp-pointed teeth, several 
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socket, and he can not help wondering 
what part such a creature played in the 
economy of nature and whether he was as 
important to his time and place as the 
animals that live ; 
