128 



PHYSICAL EXPRESSION. 



ciently volun- 

 tary to perform 

 such acts, invo- 

 luntary move- 

 ments of prona- 

 tion occur, while 

 the hand is being 

 moved up to 

 the mouth. All 

 through the time 

 of the general 

 movement of this 

 limb it is obvious 

 that there is 

 much perfectly 

 involuntary 

 movement of 

 the wrist, often 

 causing marked 

 flexion, or affect- 

 ing independent 

 digits. 



As to the con- 

 dition of the 

 hand, the de- 

 scription was 

 taken while the 

 forearm was 

 gently supported 

 by the mother, 

 the wrist being 

 left perfectly 



