Elephants. 



in 



living land animals of the tropics, and are covered 

 with a thick naked, or sparsely haired skin. They 

 have five hoof-covered toes on each foot, though 

 sometimes two toes are included in one hoof. The 

 proboscis, or trunk, is a muscular and exceedingly 

 movable double-barrelled tube appended to the nose, 



FIG 55- 



Section of the skull of the elephant, showing the small size of the brain- 

 case, e, and the large size of the air spaces. 



b, marks the posterior nostrils ; 13, the cavity of the nose ; a, the front 

 opening of the bony nostrils to the edge of which the trunk is attached. 



in fact an extension of that organ, which, by means 

 of a finger-like appendage at the tip, can pick up even 



