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THE POPULAR SCIENCE MONTHLY. 



being necessary for a clever actor. Bnt let me quote Gall him- 

 self. Speaking of a man with a peculiar prominence of this region, 



he says : 



" He imitated in so striking a manner the gait, the gestures, 

 the sound of the voice, etc., that the person was immediately rec- 

 ognized. I hastened to the institution for the deaf and dumb to 

 examine the head of the pupil Casteigner, who had been received 

 into the establishment six weeks previous, and who, from the 

 first, had fixed our attention by his prodigious talent for imita- 



Fig. 3.— Diagram. (Sigmund Exner.) The darkest squares are Nos. 57, 58, 65, and are the most 



intense centers for the movements of the facial muscles. 



tion. On Shrove-Tuesday, when a little theatrical piece is usually 

 represented in the establishment, he had imitated so perfectly the 

 gesture, the gait, etc., of the directors, inspector, physician, and 

 surgeon of the institute, and especially of some women, that it 

 was impossible to mistake ; a scene which amused the more, as 

 nothing like it was expected from a boy whose education had 

 been absolutely neglected." 



He goes on to explain that many men have a natural talent 

 for the stage or pantomime, and that the history of the lives of 

 great actors shows that the majority of them had received little 

 education and were intended for some other profession, but their 

 innate disposition drove them to the stage. The faculty of imi- 

 tation is exercised sometimes even in idiots and madmen. Pinel 

 says : 



