106 NATURAL HISTORY. 
in those regions. Besides its uses as a beast of burden, 
this animal affords sustenance to man by its milk and its 
flesh, and also hair for the manufacture of cloth. 
180. The Dromedary is a mere variety of the Camel, 
holding the same relation to it as a race-horse does to 
the heavy draft-horse. It is used principally for jour- 
neys where dispatch is requisite; and it can carry only 
a single person, and but a light burden in addition. It 
is by no means as fleet as a horse, but it can maintain a 
moderate pace for a long time, going easily at the rate 
of six or even eight miles an hour for twenty-four hours 
consecutively. 
181. The Llamas of South America, of which there are 
several species, though they are much smaller animals 
than the Camel, resemble it in many respects in form 
and structure. They have, however, no hump, and their 
feet, instead of being cushioned, have hoofs with claw-like 
projections, to enable them to climb the rocky hills among 
which they live. The Peruvian Llama, Fig. 90, inhabits 
Fig. 90.—Peruvian Llama. 
elevated regions, almost on the borders of perpetual snow. 
When the Spaniards came first to South America, this 
animal was the only beast of burden; but now it is su- 
