MAMMALIAN ORDERS. 



293 



The dentition of the genus Homo is reduced to thirty-two teeth 

 by the suppression of the outer incisor and the first two premolars 

 of the typical series on each side of both jaws, the dental 



formula being:- 



2-2' 



C. 



2—2 

 P' 2—2' 



m. g = 32, 



The teeth are of equal length, show no sexual distinctions, and 

 there is no break in the series ; they are subservient in ^lan not 

 only to alimentation, but to beauty and to speech, fig. 182. 



The human foot is broad, plantigrade, with the sole, not in- 

 verted as in Quadrumanai but applied flat to the ground ; the 



182 



Bimanous dentition (.Homo). 



leg, fig. 183, 66, bears vertically on the foot ; the heel, 68, is ex- 

 panded beneath ; the toes are short, but with the innermost, z, 

 longer and much larger than the rest, forming a ' hallux ' or great 

 toe, which is placed on the same line with, and cannot be opposed to, 

 the other toes : the pelvis, 62, 63, is short, broad, and ^mle, keep- 

 ing well apart the thighs ; and the neck of the femur is long, and 

 forms an open angle Avith the shaft, 65, increasing the basis of 

 support for the trunk. The whole vertebral column, with its 

 slight alternate curves, and the well-poised, short, but capacious 

 subglobular skull, are in like harmony with the requirements of 



