Note F — SKETCH, (continued 2)

He would sometimes ventriloquise for the amusement of his friends. The incessant invention required to sustain the wit of three, and sometimes four, interlocutors, combined with the physical effort, kept the powers of both mind and body on the stretch to a degree that exhausted him more than anything else in which he engaged. See Stewart's Phil. Hum. Mind. III. 229—224.