94 



THE HUMAN SPECIES 



toes, however, man is considerably inferior with 14-8 per cent, 

 to 31-3 per cent, for the chimpanzee and 49-1 for the orang. 



a Trapezius 



/ Deltoid m. 



f hitef.'l headoftrice P s 



i Tendon of triceps 

 k Anconeus 



/ Supinator longus 



p Extensor dig. comm. 

 - n Extensor dig. quinti 



, \ Extensor dig. comtn. 



r Abductor poll. long. 



s Extensor poll. 

 t Ext. indicis prop. 



FIG. 46. Muscles of trunk, etc., back aspect. (Thome', Zoologie.) m, flexor 

 carpi uln.; c, rhomboid; d, infra spinatus; b, m. latiss. dorsi ; e, m. abdom. 

 obliq. ext. ; v, m. glut. med. ; n, m. glut. max. ; a/, m. semimemb. ; x, m. 

 crur. ten.; y, m. semitendn. ; 2, m. biceps femoris; a, m. vastus externus; 

 j3, gastrocnemius ; 7, m. popliteus. 



Man does not stand at the head of the animal world as 



