APES 



19 



anion lulling, imperii it man 

 strength of this animal. 

 Inasmuch as the arms, 

 which raise the body in 

 mounting trees, perform 

 the chief work, they 

 vastly excel the legs in 

 strength, whence also 

 their muscles as well 

 as those of the power- 

 ful breast and broad 

 shoulders are specially 

 developed. 



3. The movements 

 of the animal on the 

 surface of the ground 



^IVXirtlljffpmm 



Family of Op.ang-Utan.s. 

 The male in the foreground (one-twentieth natural size) 



