100 The Bird 
the chicken, in comparing it with our own, is to imagine 
that our small toe has completely disappeared; the great 
toe (corresponding to the thumb of the forelimb) is 
turned backward, and the heel is lifted high from the 
Fic. 75.—Living Ostrich, showing entire leg; notice the knee almost 
within the body. 
ground, the several bones of the upper foot being greatly 
lengthened and fused into one. So we, like bears and 
raccoons, walk with our whole foot, from toe to heel, flat 
upon the ground, while a bird, like a cat or a horse, walks 
on its toes alone. 
A 
. y r 
Bureau Nature Study 
6 ¢ ) 
CORNET YT [Intyeperny thar aN. ¥. 
