DISTINCTIVE CHARACTERISTICS OF MAN. 



49 



bones is much less than in Man ; their surfaces are nearly parallel to that, of 

 the sacrum, which is itself longer and narrower; and the axis of the pelvis 

 is nearly parallel with that of the vertebral column. The position of the 

 Human femur, in which its head is most securely retained in its deep ace- 



Fio. 8. 



FIG. 9. 



Comparative View of the Skeleton of Man, and that of the Orang-outang. 



tabulum, is that which it has when supporting the body in the erect atti- 

 tude; in the Chimpanzee and Oraug its analogous position is at an oblique 

 angle to the long axis of the pelvis, so that the body leans forwards in front 



