Chap XII. CONTRACTION OF THE PLATYSMA. 



299 



the platysma does add greatly to the expression of fear. 

 Nevertheless this muscle ought hardly to be called that 

 of fright, for its contraction is certainly not a necessary 

 concomitant of this state of mind. 



Fig. 20. — Terror, from a photograph by Dr. Duchenne. 



A man may exhibit extreme terror in the plainest 

 manner by death-like pallor, by drops of perspiration on 

 his skin, and by utter prostration, with, all the muscles 

 of his body, including the platysma, completely relaxed. 

 Although Dr. Browne has often seen this muscle quiver- 



