SENSATION OF TOUCH. 87 



ply again. At what distance apart can 

 the points be felt as two? 



In the same way determine at what dis- 

 tance apart the points can be felt as two 

 on the tip of the middle finger, on the tip 

 of the tongue, on the back of the neck, 

 on the back of the hand. 



Record your results in tabular form as fol- 

 lows, placing the smallest distance first, 

 and arranging the distances in order from 

 smallest to greatest. 



5. Apply the points of the scissors at the up- 

 per part of the arm, near the elbow, at 

 the wrist, and on the palm, noting at 

 what distance apart the points are felt 

 as two. 



a. Is the distance greater as you ap- 



proach the shoulder or as you near 

 the hand? 



b. Does it make any difference whether 



the points are applied in transverse 

 or in longitudinal axis of the arm? 

 C. Cross the middle finger of the hand over the fore- 

 finger, and rub the tips of these two fingers 

 against the point of your nose at the same 



