THE CAMELS. 
291 
the camels of the Old World, and the llama and vicufia of 
South America. In former (Tertiary) times a llama-like 
animal inhabited the Pacific coast to Oregon. In the cam- 
els the upper lateral incisors are present; the stomach is 
less distinctly divided into four chambers, the third stom- 
ach, as such, is wanting, though the second stomach has 
deep cells, the so-called water-cells,^^ 
which, according to Huxley, serve 
to strain off from the contents of the 
paunch, and to retain in store, a con- 
siderable quantity of water;" thus the 
camel is populai-ly said to store up a 
supply of water in its stomach for its 
march over deserts. The toes have 
very large, thick pads, while the hoofs 
are reduced to nail-like proportions. 
In the camel the foot-pad is common 
to all the toes, but in the llama 
[Auclmiia) of the eastern Andes, fig 320.— Head of Giraffe. 
each toe has a distinct pad, besides From Lutken's zoology. 
the claw. The llama in a wild state keeps together in 
herds; from early times it has been also domesticated and 
Fig. 321.— Skull of Lion. 
used as a beast of burden, and for their wool, chiefly in 
Peru and Chili.. It is rather larger than a sheep, with the 
form of a camel. The Huanaco is probably the wild form 
