NATURAL HISTORY. 153 



spread as the foot is placed on the ground. To guard it when 

 it kneels down to be loaded, the parts of its body on which 

 its weight rests are defended by thick callosities. The largest 

 of these callosities is on the chest, the others are placed on 

 the joints of the legs. 



The Bactrian Camel inhabits Central Asia, Thibet, and 

 China. It is distinguished from the Arabian camel by pos- 

 sessing two humps. 



LLAMA. (Peruvian name.) 



Pacos (Peruvian], the Llama. 



The LLAMAS, of which there are several species, inhabit 

 America, and are used for the same purposes as the camel. 

 When wild they are very timid, and fly from a pursuer the 

 moment that they see him ; but their curiosity is so great that 

 the hunter often secures them by lying on the ground and 

 throwing his legs and arms about. The Llamas come to see 

 what the extraordinary animal can be, and give the hunter 

 an opportunity of firing several shots, which the astonished 

 animals consider as part of the performance. 



The Llamas, like the camels, have a series of cells in the 

 stomach for containing water, and can go for several days 



