MAN AND APES. 169 



compared with that of the hand (Ilapale) ; 



(10) the length of the thigh-bone compared 

 with that of the back-bone (Spider Monkeys) ; 



(11) the greater descent of the inner condyle 

 of the femur (Spider Monkeys); (12) the 

 length of the shin-bone compared with that 

 of the femur (Spider Monkeys); (13) the 

 length of the hallux compared with that of 

 the spine (Pithecia); (14) the presence of 

 " bridging convolutions ' (Spider Monkeys) ; 

 (15) the very overlapping cerebrum (Squirrel 

 Monkeys); (16) the oblique ridge on the 

 upper grinders (Howling Monkeys). 



The Half-apes (Lemuroidea) differ, as be- 

 fore said, from both man and true apes in 

 points so numerous and so significant that 

 there can be no question as to their great 

 inferiority and the vast chasm which exists 

 between the two sub-orders. 



Nevertheless, we find amongst the Half- 

 apes certain characters which resemble those 

 of man more than do most, sometimes even 

 more than do any, of the characters exhibited 



