248 EDWIN (I. BORING 



as a relief from the continued contraction of the muscles already 

 involved in turning. 



The rate of movement decreases with the increase of general 

 fatigue, and is less under intense, opposing, directive illumina- 

 tion than under weak, non-directive illumination. 



The conscious experience, concomitant with the turning from 

 the light and the sudden reversals toward the light, — if there is 

 consciousness involved at all, — is not necessarily of a more 

 complex form than that of an alternation between two qual- 

 itatively different processes, or a flashing in and out of these 

 processes at the moment of the change of reaction. 



