MAN AND APES. 135 



this might be anticipated, since, being the 

 special organs of motion, they would naturally 

 be expected to be peculiarly modifiable and to 

 present every variety of adaptive modification. 



Speaking generally, the apes resemble man 

 myologically more than do the Half-apes, and 

 the latter may present us with special aberrant 

 modifications; such, e.g., as the presence of 

 an extra muscle, called rotator fibulce, placed 

 between the shin-bone {tibia) and the adjacent 

 small bone {fibula) of the leg. 



It is the group of latisternal apes (Simiina?) 

 which approach man most closely in muscular 

 structure, as we have seen they do in the bony 

 framework which supports the muscles. 



Amongst these higher apes the Orang shows 

 again a certain inferiority as to its muscles, 

 reminding us of the aberrations we have 

 already seen to exist in its skeleton. 



Thus in its foot, the great toe, in spite of 

 its small relative size, is furnished with a 

 special short muscle (called opponens hallucis) 

 not found in other latisternal apes, any more 



