210 



SKELETON OF THE APE TRIBE, 



mammals in question have the opposable " thumb" on 

 both fore and hind limbs, they are called "quadruraana," 

 or four-handed. The rest of the limb manifests a corre- 



Fig. 46. 



SKELETONS OF OEAXG {PitJiecus safl/rus) AND MAN. 



