THE DEPENDENCE OF MAN 7 
It is the horse that has fought the wars of the world and won 
out human liberty. Besides this, he has broken our prairies, 
sown and harvested our grain, and delivered it to the markets of 
the world. He has carried messages of victory and of sorrow, and 
down to the time of Washington he constituted the fastest mode 
of communication known, if we except only the carrier pigeon. 
If all the animals of the world should die ina single day, the 
disaster in respect to labor would hardly be second to that in 
Fic. 2. “I helped to build the Pikes Peak Railroad.” The burro and 
the pack mule afford the best means of transportation over difficult 
mountain trails : 
respect to food. We might perhaps turn vegetarian, but if man 
should lose his animal servants, then he himself would at once 
be reduced to a beast of burden in a thousand ways not com- 
monly appreciated or even understood. 
The camel and the pack mule carry civilization into regions 
which would otherwise remain wilderness, and just as the burro 
may be said to have built the Pikes Peak Railroad, so the 
elephant and the water buffalo each has done and is doing its 
