56 



SUBKINGDOM VEETEBRATA. 



Mg. 75. 



The 



Auchema Uama, Llama. ^. 



Llama, the camel of the Few World, is of small size, 



Fig. 76. 



Foot of Llama. 



and has no humps. To adapt it to its 

 home in the Andes, its cushioned toes 

 are completely divided, and its nails 

 project so as to hook downward, and 

 give it a fearless step among the crags. 

 Giraffldae. — The Giraffe, inhabit- 

 ing the arid regions of Africa, where 

 herbage quickly disappears after the 

 rainy season, is adapted by its long 

 neck * to browse upon the branches of 

 trees. There is an apparent difEerence 

 in the length of the fore and hind 

 legs; but the heads of the humerus 

 and femur are on a level, and the great 

 height of the fore-shoulder is caused 



* Seven — the typical number of cervical vertebrae 

 for all mammals — is not, however, varied from. 



