MORE ABOUT MAMMALS. 
23 
5 . “ Yes, the cow never eats flesh,” said William. 
“ Nor do horses and mules,” added Arthur. 
“ Very well,” said Mr. Johnson; “those all belong 
to the order of hoofed animals, of which there are 
many different kinds. Some of them have an odd 
number of toes on each foot, the horse having one 
1, Skeleton of Hoof of Horse; 2 , do. oi Sheep; 3, do. of Camel; 
4, do. of Rhinoceros. 
and the rhinoceros three. Others have an even 
number. 
6. “ There are the cow, sheep, deer, and pig with 
four toes on each foot, two of which are used in 
walking, while the other two do not reach the 
ground. And there is the camel, with only two toes.” 
Presently Mr. Johnson said: “Here I have the 
skull of a rat. See how different the front teeth 
are from those of the flesh-eaters.” 
