The writer does not make any refer- 

 ence IN THIS ARTICLE TO THE THEORY, WHICH 

 pretends to distinguish BETWEEN MOTOR 

 AND SENSORY CELLS, NOR HAS HE EVER EN- 

 DORSED SUCH A THEORY, EVEN BY INFERENCE, 

 BUT HAS DISTINCTLY STATED THAT SENSATION 

 HAD NOTHING TO DO WITH HIS SUBJECT. 



