To this purpose Mr. Spon, in his “Récherches d’Antiquité,” gives us a curious story of the celebrated physiognomist Campanella. This man, it seems, had not only made very accurate observations on human faces, but was very expert in mimicking such as were any way remarkable. When he had a mind to penetrate into the inclinations of those he had to deal with, he composed his face, his gesture, and his whole body, as nearly as he could into the exact similitude of the person he intended to examine; and then carefully observed what turn of mind he seemed to acquire by this change. So that, says my author, he was able to enter into the dispositions and thoughts of people as effectually as if he had been changed into the very men. I have often observed, that on mimicking the looks and gestures of angry, or placid, or frighted, or daring men, I have involuntarily found my mind turned to that passion, whose appearance I endeavored to imitate; nay, I am convinced it is hard to avoid it, though one strove to separate the passion f............