1912.] Innervation and Symmetrical Muscles. 223 



III. Change from Reciprocal Innervation to Identical in Symmetrical Flexors, 



If instead of extensor muscles we take a pair of symmetrical flexors, upon 

 them again reciprocal innervation is found to be the reflex result of stimula- 

 tion of an afferent nerve of either limb. Thus with the two tensor fascise 



