VERTEBRATA 



I 99 



foot is prehensile, and is not applied flat to the 

 ground. 58 



The scapular and pelvic bones are extremely broad, 

 and the neck of the femur remarkably long. Man is 

 also singular in the double curve of the spine : the 

 baboon comes nearest to man in this respect. 



The human skull has a smooth, rounded outline, ele- 

 vated in front, and devoid of crests. The cranium 

 greatly predominates over the face, being four to one ; 59 

 and no other animal (except the siamang gibbon) has a 

 chin. 



Man stands alone in the peculiarity of his dentition : 



FIG. 195. Skull of European. 



FIG. 196. Skull of negro. 



his teeth are vertical, of nearly uniform height, and close 

 together. In every other animal the incisors and canines 

 are more or less inclined, the canines project, and there 

 are vacant spaces. 60 



Man has a longer lobule to his ear than any ape, and 

 no muzzle. The bridge of his nose is decidedly convex ; 

 in the apes generally it is flat. 



Man has been called the only naked terrestrial mam- 

 mal. His hair is most abundant on the scalp ; never on 

 the back, as in the apes. 



Man has a more pliable constitution than the apes, as 



